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cnlti(nx.path_graph(3), first_label=1) + cls.P10 = cnlti(nx.path_graph(10), first_label=1) + cls.K1 = cnlti(nx.complete_graph(1), first_label=1) + cls.K3 = cnlti(nx.complete_graph(3), first_label=1) + cls.K4 = cnlti(nx.complete_graph(4), first_label=1) + cls.K5 = cnlti(nx.complete_graph(5), first_label=1) + cls.K10 = cnlti(nx.complete_graph(10), first_label=1) + cls.G = nx.Graph + + def test_name(self): + G = self.G(name="test") + assert G.name == "test" + H = self.G() + assert H.name == "" + + # Nodes + + def test_add_remove_node(self): + G = self.G() + G.add_node("A") + assert G.has_node("A") + G.remove_node("A") + assert not G.has_node("A") + + def test_nonhashable_node(self): + # Test if a non-hashable object is in the Graph. A python dict will + # raise a TypeError, but for a Graph class a simple False should be + # returned (see Graph __contains__). If it cannot be a node then it is + # not a node. + G = self.G() + assert not G.has_node(["A"]) + assert not G.has_node({"A": 1}) + + def test_add_nodes_from(self): + G = self.G() + G.add_nodes_from(list("ABCDEFGHIJKL")) + assert G.has_node("L") + G.remove_nodes_from(["H", "I", "J", "K", "L"]) + G.add_nodes_from([1, 2, 3, 4]) + assert sorted(G.nodes(), key=str) == [ + 1, + 2, + 3, + 4, + "A", + "B", + "C", + "D", + "E", + "F", + "G", + ] + # test __iter__ + assert sorted(G, key=str) == [1, 2, 3, 4, "A", "B", "C", "D", "E", "F", "G"] + + def test_contains(self): + G = self.G() + G.add_node("A") + assert "A" in G + assert [] not in G # never raise a Key or TypeError in this test + assert {1: 1} not in G + + def test_add_remove(self): + # Test add_node and remove_node acting for various nbunch + G = self.G() + G.add_node("m") + assert G.has_node("m") + G.add_node("m") # no complaints + pytest.raises(nx.NetworkXError, G.remove_node, "j") + G.remove_node("m") + assert list(G) == [] + + def test_nbunch_is_list(self): + G = self.G() + G.add_nodes_from(list("ABCD")) + G.add_nodes_from(self.P3) # add nbunch of nodes (nbunch=Graph) + assert sorted(G.nodes(), key=str) == [1, 2, 3, "A", "B", "C", "D"] + G.remove_nodes_from(self.P3) # remove nbunch of nodes (nbunch=Graph) + assert sorted(G.nodes(), key=str) == ["A", "B", "C", "D"] + + def test_nbunch_is_set(self): + G = self.G() + nbunch = set("ABCDEFGHIJKL") + G.add_nodes_from(nbunch) + assert G.has_node("L") + + def test_nbunch_dict(self): + # nbunch is a dict with nodes as keys + G = self.G() + nbunch = set("ABCDEFGHIJKL") + G.add_nodes_from(nbunch) + nbunch = {"I": "foo", "J": 2, "K": True, "L": "spam"} + G.remove_nodes_from(nbunch) + assert sorted(G.nodes(), key=str), ["A", "B", "C", "D", "E", "F", "G", "H"] + + def test_nbunch_iterator(self): + G = self.G() + G.add_nodes_from(["A", "B", "C", "D", "E", "F", "G", "H"]) + n_iter = self.P3.nodes() + G.add_nodes_from(n_iter) + assert sorted(G.nodes(), key=str) == [ + 1, + 2, + 3, + "A", + "B", + "C", + "D", + "E", + "F", + "G", + "H", + ] + n_iter = self.P3.nodes() # rebuild same iterator + G.remove_nodes_from(n_iter) # remove nbunch of nodes (nbunch=iterator) + assert sorted(G.nodes(), key=str) == ["A", "B", "C", "D", "E", "F", "G", "H"] + + def test_nbunch_graph(self): + G = self.G() + G.add_nodes_from(["A", "B", "C", "D", "E", "F", "G", "H"]) + nbunch = self.K3 + G.add_nodes_from(nbunch) + assert sorted(G.nodes(), key=str), [ + 1, + 2, + 3, + "A", + "B", + "C", + "D", + "E", + "F", + "G", + "H", + ] + + # Edges + + def test_add_edge(self): + G = self.G() + pytest.raises(TypeError, G.add_edge, "A") + + G.add_edge("A", "B") # testing add_edge() + G.add_edge("A", "B") # should fail silently + assert G.has_edge("A", "B") + assert not G.has_edge("A", "C") + assert G.has_edge(*("A", "B")) + if G.is_directed(): + assert not G.has_edge("B", "A") + else: + # G is undirected, so B->A is an edge + assert G.has_edge("B", "A") + + G.add_edge("A", "C") # test directedness + G.add_edge("C", "A") + G.remove_edge("C", "A") + if G.is_directed(): + assert G.has_edge("A", "C") + else: + assert not G.has_edge("A", "C") + assert not G.has_edge("C", "A") + + def test_self_loop(self): + G = self.G() + G.add_edge("A", "A") # test self loops + assert G.has_edge("A", "A") + G.remove_edge("A", "A") + G.add_edge("X", "X") + assert G.has_node("X") + G.remove_node("X") + G.add_edge("A", "Z") # should add the node silently + assert G.has_node("Z") + + def test_add_edges_from(self): + G = self.G() + G.add_edges_from([("B", "C")]) # test add_edges_from() + assert G.has_edge("B", "C") + if G.is_directed(): + assert not G.has_edge("C", "B") + else: + assert G.has_edge("C", "B") # undirected + + G.add_edges_from([("D", "F"), ("B", "D")]) + assert G.has_edge("D", "F") + assert G.has_edge("B", "D") + + if G.is_directed(): + assert not G.has_edge("D", "B") + else: + assert G.has_edge("D", "B") # undirected + + def test_add_edges_from2(self): + G = self.G() + # after failing silently, should add 2nd edge + G.add_edges_from([tuple("IJ"), list("KK"), tuple("JK")]) + assert G.has_edge(*("I", "J")) + assert G.has_edge(*("K", "K")) + assert G.has_edge(*("J", "K")) + if G.is_directed(): + assert not G.has_edge(*("K", "J")) + else: + assert G.has_edge(*("K", "J")) + + def test_add_edges_from3(self): + G = self.G() + G.add_edges_from(zip(list("ACD"), list("CDE"))) + assert G.has_edge("D", "E") + assert not G.has_edge("E", "C") + + def test_remove_edge(self): + G = self.G() + G.add_nodes_from([1, 2, 3, "A", "B", "C", "D", "E", "F", "G", "H"]) + + G.add_edges_from(zip(list("MNOP"), list("NOPM"))) + assert G.has_edge("O", "P") + assert G.has_edge("P", "M") + G.remove_node("P") # tests remove_node()'s handling of edges. + assert not G.has_edge("P", "M") + pytest.raises(TypeError, G.remove_edge, "M") + + G.add_edge("N", "M") + assert G.has_edge("M", "N") + G.remove_edge("M", "N") + assert not G.has_edge("M", "N") + + # self loop fails silently + G.remove_edges_from([list("HI"), list("DF"), tuple("KK"), tuple("JK")]) + assert not G.has_edge("H", "I") + assert not G.has_edge("J", "K") + G.remove_edges_from([list("IJ"), list("KK"), list("JK")]) + assert not G.has_edge("I", "J") + G.remove_nodes_from(set("ZEFHIMNO")) + G.add_edge("J", "K") + + def test_edges_nbunch(self): + # Test G.edges(nbunch) with various forms of nbunch + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + # node not in nbunch should be quietly ignored + pytest.raises(nx.NetworkXError, G.edges, 6) + assert list(G.edges("Z")) == [] # iterable non-node + # nbunch can be an empty list + assert list(G.edges([])) == [] + if G.is_directed(): + elist = [("A", "B"), ("A", "C"), ("B", "D")] + else: + elist = [("A", "B"), ("A", "C"), ("B", "C"), ("B", "D")] + # nbunch can be a list + assert edges_equal(list(G.edges(["A", "B"])), elist) + # nbunch can be a set + assert edges_equal(G.edges({"A", "B"}), elist) + # nbunch can be a graph + G1 = self.G() + G1.add_nodes_from("AB") + assert edges_equal(G.edges(G1), elist) + # nbunch can be a dict with nodes as keys + ndict = {"A": "thing1", "B": "thing2"} + assert edges_equal(G.edges(ndict), elist) + # nbunch can be a single node + assert edges_equal(list(G.edges("A")), [("A", "B"), ("A", "C")]) + assert nodes_equal(sorted(G), ["A", "B", "C", "D"]) + + # nbunch can be nothing (whole graph) + assert edges_equal( + list(G.edges()), + [("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")], + ) + + def test_degree(self): + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + assert G.degree("A") == 2 + + # degree of single node in iterable container must return dict + assert list(G.degree(["A"])) == [("A", 2)] + assert sorted(d for n, d in G.degree(["A", "B"])) == [2, 3] + assert sorted(d for n, d in G.degree()) == [2, 2, 3, 3] + + def test_degree2(self): + H = self.G() + H.add_edges_from([(1, 24), (1, 2)]) + assert sorted(d for n, d in H.degree([1, 24])) == [1, 2] + + def test_degree_graph(self): + P3 = nx.path_graph(3) + P5 = nx.path_graph(5) + # silently ignore nodes not in P3 + assert dict(d for n, d in P3.degree(["A", "B"])) == {} + # nbunch can be a graph + assert sorted(d for n, d in P5.degree(P3)) == [1, 2, 2] + # nbunch can be a graph that's way too big + assert sorted(d for n, d in P3.degree(P5)) == [1, 1, 2] + assert list(P5.degree([])) == [] + assert dict(P5.degree([])) == {} + + def test_null(self): + null = nx.null_graph() + assert list(null.degree()) == [] + assert dict(null.degree()) == {} + + def test_order_size(self): + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + assert G.order() == 4 + assert G.size() == 5 + assert G.number_of_edges() == 5 + assert G.number_of_edges("A", "B") == 1 + assert G.number_of_edges("A", "D") == 0 + + def test_copy(self): + G = self.G() + H = G.copy() # copy + assert H.adj == G.adj + assert H.name == G.name + assert H is not G + + def test_subgraph(self): + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + SG = G.subgraph(["A", "B", "D"]) + assert nodes_equal(list(SG), ["A", "B", "D"]) + assert edges_equal(list(SG.edges()), [("A", "B"), ("B", "D")]) + + def test_to_directed(self): + G = self.G() + if not G.is_directed(): + G.add_edges_from( + [("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")] + ) + + DG = G.to_directed() + assert DG is not G # directed copy or copy + + assert DG.is_directed() + assert DG.name == G.name + assert DG.adj == G.adj + assert sorted(DG.out_edges(list("AB"))) == [ + ("A", "B"), + ("A", "C"), + ("B", "A"), + ("B", "C"), + ("B", "D"), + ] + DG.remove_edge("A", "B") + assert DG.has_edge("B", "A") # this removes B-A but not A-B + assert not DG.has_edge("A", "B") + + def test_to_undirected(self): + G = self.G() + if G.is_directed(): + G.add_edges_from( + [("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")] + ) + UG = G.to_undirected() # to_undirected + assert UG is not G + assert not UG.is_directed() + assert G.is_directed() + assert UG.name == G.name + assert UG.adj != G.adj + assert sorted(UG.edges(list("AB"))) == [ + ("A", "B"), + ("A", "C"), + ("B", "C"), + ("B", "D"), + ] + assert sorted(UG.edges(["A", "B"])) == [ + ("A", "B"), + ("A", "C"), + ("B", "C"), + ("B", "D"), + ] + UG.remove_edge("A", "B") + assert not UG.has_edge("B", "A") + assert not UG.has_edge("A", "B") + + def test_neighbors(self): + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + G.add_nodes_from("GJK") + assert sorted(G["A"]) == ["B", "C"] + assert sorted(G.neighbors("A")) == ["B", "C"] + assert sorted(G.neighbors("A")) == ["B", "C"] + assert sorted(G.neighbors("G")) == [] + pytest.raises(nx.NetworkXError, G.neighbors, "j") + + def test_iterators(self): + G = self.G() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")]) + G.add_nodes_from("GJK") + assert sorted(G.nodes()) == ["A", "B", "C", "D", "G", "J", "K"] + assert edges_equal( + G.edges(), [("A", "B"), ("A", "C"), ("B", "D"), ("C", "B"), ("C", "D")] + ) + + assert sorted(v for k, v in G.degree()) == [0, 0, 0, 2, 2, 3, 3] + assert sorted(G.degree(), key=str) == [ + ("A", 2), + ("B", 3), + ("C", 3), + ("D", 2), + ("G", 0), + ("J", 0), + ("K", 0), + ] + assert sorted(G.neighbors("A")) == ["B", "C"] + pytest.raises(nx.NetworkXError, G.neighbors, "X") + G.clear() + assert nx.number_of_nodes(G) == 0 + assert nx.number_of_edges(G) == 0 + + def test_null_subgraph(self): + # Subgraph of a null graph is a null graph + nullgraph = nx.null_graph() + G = nx.null_graph() + H = G.subgraph([]) + assert nx.is_isomorphic(H, nullgraph) + + def test_empty_subgraph(self): + # Subgraph of an empty graph is an empty graph. test 1 + nullgraph = nx.null_graph() + E5 = nx.empty_graph(5) + E10 = nx.empty_graph(10) + H = E10.subgraph([]) + assert nx.is_isomorphic(H, nullgraph) + H = E10.subgraph([1, 2, 3, 4, 5]) + assert nx.is_isomorphic(H, E5) + + def test_complete_subgraph(self): + # Subgraph of a complete graph is a complete graph + K1 = nx.complete_graph(1) + K3 = nx.complete_graph(3) + K5 = nx.complete_graph(5) + H = K5.subgraph([1, 2, 3]) + assert nx.is_isomorphic(H, K3) + + def test_subgraph_nbunch(self): + nullgraph = nx.null_graph() + K1 = nx.complete_graph(1) + K3 = nx.complete_graph(3) + K5 = nx.complete_graph(5) + # Test G.subgraph(nbunch), where nbunch is a single node + H = K5.subgraph(1) + assert nx.is_isomorphic(H, K1) + # Test G.subgraph(nbunch), where nbunch is a set + H = K5.subgraph({1}) + assert nx.is_isomorphic(H, K1) + # Test G.subgraph(nbunch), where nbunch is an iterator + H = K5.subgraph(iter(K3)) + assert nx.is_isomorphic(H, K3) + # Test G.subgraph(nbunch), where nbunch is another graph + H = K5.subgraph(K3) + assert nx.is_isomorphic(H, K3) + H = K5.subgraph([9]) + assert nx.is_isomorphic(H, nullgraph) + + def test_node_tuple_issue(self): + H = self.G() + # Test error handling of tuple as a node + pytest.raises(nx.NetworkXError, H.remove_node, (1, 2)) + H.remove_nodes_from([(1, 2)]) # no error + pytest.raises(nx.NetworkXError, H.neighbors, (1, 2)) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_coreviews.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_coreviews.py new file mode 100644 index 0000000000000000000000000000000000000000..24de7f2f1115b864682b261daa256eff0deef696 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_coreviews.py @@ -0,0 +1,362 @@ +import pickle + +import pytest + +import networkx as nx + + +class TestAtlasView: + # node->data + def setup_method(self): + self.d = {0: {"color": "blue", "weight": 1.2}, 1: {}, 2: {"color": 1}} + self.av = nx.classes.coreviews.AtlasView(self.d) + + def test_pickle(self): + view = self.av + pview = pickle.loads(pickle.dumps(view, -1)) + assert view == pview + assert view.__slots__ == pview.__slots__ + pview = pickle.loads(pickle.dumps(view)) + assert view == pview + assert view.__slots__ == pview.__slots__ + + def test_len(self): + assert len(self.av) == len(self.d) + + def test_iter(self): + assert list(self.av) == list(self.d) + + def test_getitem(self): + assert self.av[1] is self.d[1] + assert self.av[2]["color"] == 1 + pytest.raises(KeyError, self.av.__getitem__, 3) + + def test_copy(self): + avcopy = self.av.copy() + assert avcopy[0] == self.av[0] + assert avcopy == self.av + assert avcopy[0] is not self.av[0] + assert avcopy is not self.av + avcopy[5] = {} + assert avcopy != self.av + + avcopy[0]["ht"] = 4 + assert avcopy[0] != self.av[0] + self.av[0]["ht"] = 4 + assert avcopy[0] == self.av[0] + del self.av[0]["ht"] + + assert not hasattr(self.av, "__setitem__") + + def test_items(self): + assert sorted(self.av.items()) == sorted(self.d.items()) + + def test_str(self): + out = str(self.d) + assert str(self.av) == out + + def test_repr(self): + out = "AtlasView(" + str(self.d) + ")" + assert repr(self.av) == out + + +class TestAdjacencyView: + # node->nbr->data + def setup_method(self): + dd = {"color": "blue", "weight": 1.2} + self.nd = {0: dd, 1: {}, 2: {"color": 1}} + self.adj = {3: self.nd, 0: {3: dd}, 1: {}, 2: {3: {"color": 1}}} + self.adjview = nx.classes.coreviews.AdjacencyView(self.adj) + + def test_pickle(self): + view = self.adjview + pview = pickle.loads(pickle.dumps(view, -1)) + assert view == pview + assert view.__slots__ == pview.__slots__ + + def test_len(self): + assert len(self.adjview) == len(self.adj) + + def test_iter(self): + assert list(self.adjview) == list(self.adj) + + def test_getitem(self): + assert self.adjview[1] is not self.adj[1] + assert self.adjview[3][0] is self.adjview[0][3] + assert self.adjview[2][3]["color"] == 1 + pytest.raises(KeyError, self.adjview.__getitem__, 4) + + def test_copy(self): + avcopy = self.adjview.copy() + assert avcopy[0] == self.adjview[0] + assert avcopy[0] is not self.adjview[0] + + avcopy[2][3]["ht"] = 4 + assert avcopy[2] != self.adjview[2] + self.adjview[2][3]["ht"] = 4 + assert avcopy[2] == self.adjview[2] + del self.adjview[2][3]["ht"] + + assert not hasattr(self.adjview, "__setitem__") + + def test_items(self): + view_items = sorted((n, dict(d)) for n, d in self.adjview.items()) + assert view_items == sorted(self.adj.items()) + + def test_str(self): + out = str(dict(self.adj)) + assert str(self.adjview) == out + + def test_repr(self): + out = self.adjview.__class__.__name__ + "(" + str(self.adj) + ")" + assert repr(self.adjview) == out + + +class TestMultiAdjacencyView(TestAdjacencyView): + # node->nbr->key->data + def setup_method(self): + dd = {"color": "blue", "weight": 1.2} + self.kd = {0: dd, 1: {}, 2: {"color": 1}} + self.nd = {3: self.kd, 0: {3: dd}, 1: {0: {}}, 2: {3: {"color": 1}}} + self.adj = {3: self.nd, 0: {3: {3: dd}}, 1: {}, 2: {3: {8: {}}}} + self.adjview = nx.classes.coreviews.MultiAdjacencyView(self.adj) + + def test_getitem(self): + assert self.adjview[1] is not self.adj[1] + assert self.adjview[3][0][3] is self.adjview[0][3][3] + assert self.adjview[3][2][3]["color"] == 1 + pytest.raises(KeyError, self.adjview.__getitem__, 4) + + def test_copy(self): + avcopy = self.adjview.copy() + assert avcopy[0] == self.adjview[0] + assert avcopy[0] is not self.adjview[0] + + avcopy[2][3][8]["ht"] = 4 + assert avcopy[2] != self.adjview[2] + self.adjview[2][3][8]["ht"] = 4 + assert avcopy[2] == self.adjview[2] + del self.adjview[2][3][8]["ht"] + + assert not hasattr(self.adjview, "__setitem__") + + +class TestUnionAtlas: + # node->data + def setup_method(self): + self.s = {0: {"color": "blue", "weight": 1.2}, 1: {}, 2: {"color": 1}} + self.p = {3: {"color": "blue", "weight": 1.2}, 4: {}, 2: {"watch": 2}} + self.av = nx.classes.coreviews.UnionAtlas(self.s, self.p) + + def test_pickle(self): + view = self.av + pview = pickle.loads(pickle.dumps(view, -1)) + assert view == pview + assert view.__slots__ == pview.__slots__ + + def test_len(self): + assert len(self.av) == len(self.s.keys() | self.p.keys()) == 5 + + def test_iter(self): + assert set(self.av) == set(self.s) | set(self.p) + + def test_getitem(self): + assert self.av[0] is self.s[0] + assert self.av[4] is self.p[4] + assert self.av[2]["color"] == 1 + pytest.raises(KeyError, self.av[2].__getitem__, "watch") + pytest.raises(KeyError, self.av.__getitem__, 8) + + def test_copy(self): + avcopy = self.av.copy() + assert avcopy[0] == self.av[0] + assert avcopy[0] is not self.av[0] + assert avcopy is not self.av + avcopy[5] = {} + assert avcopy != self.av + + avcopy[0]["ht"] = 4 + assert avcopy[0] != self.av[0] + self.av[0]["ht"] = 4 + assert avcopy[0] == self.av[0] + del self.av[0]["ht"] + + assert not hasattr(self.av, "__setitem__") + + def test_items(self): + expected = dict(self.p.items()) + expected.update(self.s) + assert sorted(self.av.items()) == sorted(expected.items()) + + def test_str(self): + out = str(dict(self.av)) + assert str(self.av) == out + + def test_repr(self): + out = f"{self.av.__class__.__name__}({self.s}, {self.p})" + assert repr(self.av) == out + + +class TestUnionAdjacency: + # node->nbr->data + def setup_method(self): + dd = {"color": "blue", "weight": 1.2} + self.nd = {0: dd, 1: {}, 2: {"color": 1}} + self.s = {3: self.nd, 0: {}, 1: {}, 2: {3: {"color": 1}}} + self.p = {3: {}, 0: {3: dd}, 1: {0: {}}, 2: {1: {"color": 1}}} + self.adjview = nx.classes.coreviews.UnionAdjacency(self.s, self.p) + + def test_pickle(self): + view = self.adjview + pview = pickle.loads(pickle.dumps(view, -1)) + assert view == pview + assert view.__slots__ == pview.__slots__ + + def test_len(self): + assert len(self.adjview) == len(self.s) + + def test_iter(self): + assert sorted(self.adjview) == sorted(self.s) + + def test_getitem(self): + assert self.adjview[1] is not self.s[1] + assert self.adjview[3][0] is self.adjview[0][3] + assert self.adjview[2][3]["color"] == 1 + pytest.raises(KeyError, self.adjview.__getitem__, 4) + + def test_copy(self): + avcopy = self.adjview.copy() + assert avcopy[0] == self.adjview[0] + assert avcopy[0] is not self.adjview[0] + + avcopy[2][3]["ht"] = 4 + assert avcopy[2] != self.adjview[2] + self.adjview[2][3]["ht"] = 4 + assert avcopy[2] == self.adjview[2] + del self.adjview[2][3]["ht"] + + assert not hasattr(self.adjview, "__setitem__") + + def test_str(self): + out = str(dict(self.adjview)) + assert str(self.adjview) == out + + def test_repr(self): + clsname = self.adjview.__class__.__name__ + out = f"{clsname}({self.s}, {self.p})" + assert repr(self.adjview) == out + + +class TestUnionMultiInner(TestUnionAdjacency): + # nbr->key->data + def setup_method(self): + dd = {"color": "blue", "weight": 1.2} + self.kd = {7: {}, "ekey": {}, 9: {"color": 1}} + self.s = {3: self.kd, 0: {7: dd}, 1: {}, 2: {"key": {"color": 1}}} + self.p = {3: {}, 0: {3: dd}, 1: {}, 2: {1: {"span": 2}}} + self.adjview = nx.classes.coreviews.UnionMultiInner(self.s, self.p) + + def test_len(self): + assert len(self.adjview) == len(self.s.keys() | self.p.keys()) == 4 + + def test_getitem(self): + assert self.adjview[1] is not self.s[1] + assert self.adjview[0][7] is self.adjview[0][3] + assert self.adjview[2]["key"]["color"] == 1 + assert self.adjview[2][1]["span"] == 2 + pytest.raises(KeyError, self.adjview.__getitem__, 4) + pytest.raises(KeyError, self.adjview[1].__getitem__, "key") + + def test_copy(self): + avcopy = self.adjview.copy() + assert avcopy[0] == self.adjview[0] + assert avcopy[0] is not self.adjview[0] + + avcopy[2][1]["width"] = 8 + assert avcopy[2] != self.adjview[2] + self.adjview[2][1]["width"] = 8 + assert avcopy[2] == self.adjview[2] + del self.adjview[2][1]["width"] + + assert not hasattr(self.adjview, "__setitem__") + assert hasattr(avcopy, "__setitem__") + + +class TestUnionMultiAdjacency(TestUnionAdjacency): + # node->nbr->key->data + def setup_method(self): + dd = {"color": "blue", "weight": 1.2} + self.kd = {7: {}, 8: {}, 9: {"color": 1}} + self.nd = {3: self.kd, 0: {9: dd}, 1: {8: {}}, 2: {9: {"color": 1}}} + self.s = {3: self.nd, 0: {3: {7: dd}}, 1: {}, 2: {3: {8: {}}}} + self.p = {3: {}, 0: {3: {9: dd}}, 1: {}, 2: {1: {8: {}}}} + self.adjview = nx.classes.coreviews.UnionMultiAdjacency(self.s, self.p) + + def test_getitem(self): + assert self.adjview[1] is not self.s[1] + assert self.adjview[3][0][9] is self.adjview[0][3][9] + assert self.adjview[3][2][9]["color"] == 1 + pytest.raises(KeyError, self.adjview.__getitem__, 4) + + def test_copy(self): + avcopy = self.adjview.copy() + assert avcopy[0] == self.adjview[0] + assert avcopy[0] is not self.adjview[0] + + avcopy[2][3][8]["ht"] = 4 + assert avcopy[2] != self.adjview[2] + self.adjview[2][3][8]["ht"] = 4 + assert avcopy[2] == self.adjview[2] + del self.adjview[2][3][8]["ht"] + + assert not hasattr(self.adjview, "__setitem__") + assert hasattr(avcopy, "__setitem__") + + +class TestFilteredGraphs: + def setup_method(self): + self.Graphs = [nx.Graph, nx.DiGraph, nx.MultiGraph, nx.MultiDiGraph] + + def test_hide_show_nodes(self): + SubGraph = nx.subgraph_view + for Graph in self.Graphs: + G = nx.path_graph(4, Graph) + SG = G.subgraph([2, 3]) + RG = SubGraph(G, filter_node=nx.filters.hide_nodes([0, 1])) + assert SG.nodes == RG.nodes + assert SG.edges == RG.edges + SGC = SG.copy() + RGC = RG.copy() + assert SGC.nodes == RGC.nodes + assert SGC.edges == RGC.edges + + def test_str_repr(self): + SubGraph = nx.subgraph_view + for Graph in self.Graphs: + G = nx.path_graph(4, Graph) + SG = G.subgraph([2, 3]) + RG = SubGraph(G, filter_node=nx.filters.hide_nodes([0, 1])) + str(SG.adj) + str(RG.adj) + repr(SG.adj) + repr(RG.adj) + str(SG.adj[2]) + str(RG.adj[2]) + repr(SG.adj[2]) + repr(RG.adj[2]) + + def test_copy(self): + SubGraph = nx.subgraph_view + for Graph in self.Graphs: + G = nx.path_graph(4, Graph) + SG = G.subgraph([2, 3]) + RG = SubGraph(G, filter_node=nx.filters.hide_nodes([0, 1])) + RsG = SubGraph(G, filter_node=nx.filters.show_nodes([2, 3])) + assert G.adj.copy() == G.adj + assert G.adj[2].copy() == G.adj[2] + assert SG.adj.copy() == SG.adj + assert SG.adj[2].copy() == SG.adj[2] + assert RG.adj.copy() == RG.adj + assert RG.adj[2].copy() == RG.adj[2] + assert RsG.adj.copy() == RsG.adj + assert RsG.adj[2].copy() == RsG.adj[2] diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph.py new file mode 100644 index 0000000000000000000000000000000000000000..b0048a31f04eb583f4bcfc32385c2335b94467ad --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph.py @@ -0,0 +1,920 @@ +import gc +import pickle +import platform +import weakref + +import pytest + +import networkx as nx +from networkx.utils import edges_equal, graphs_equal, nodes_equal + + +class BaseGraphTester: + """Tests for data-structure independent graph class features.""" + + def test_contains(self): + G = self.K3 + assert 1 in G + assert 4 not in G + assert "b" not in G + assert [] not in G # no exception for nonhashable + assert {1: 1} not in G # no exception for nonhashable + + def test_order(self): + G = self.K3 + assert len(G) == 3 + assert G.order() == 3 + assert G.number_of_nodes() == 3 + + def test_nodes(self): + G = self.K3 + assert isinstance(G._node, G.node_dict_factory) + assert isinstance(G._adj, G.adjlist_outer_dict_factory) + assert all( + isinstance(adj, G.adjlist_inner_dict_factory) for adj in G._adj.values() + ) + assert sorted(G.nodes()) == self.k3nodes + assert sorted(G.nodes(data=True)) == [(0, {}), (1, {}), (2, {})] + + def test_none_node(self): + G = self.Graph() + with pytest.raises(ValueError): + G.add_node(None) + with pytest.raises(ValueError): + G.add_nodes_from([None]) + with pytest.raises(ValueError): + G.add_edge(0, None) + with pytest.raises(ValueError): + G.add_edges_from([(0, None)]) + + def test_has_node(self): + G = self.K3 + assert G.has_node(1) + assert not G.has_node(4) + assert not G.has_node([]) # no exception for nonhashable + assert not G.has_node({1: 1}) # no exception for nonhashable + + def test_has_edge(self): + G = self.K3 + assert G.has_edge(0, 1) + assert not G.has_edge(0, -1) + + def test_neighbors(self): + G = self.K3 + assert sorted(G.neighbors(0)) == [1, 2] + with pytest.raises(nx.NetworkXError): + G.neighbors(-1) + + @pytest.mark.skipif( + platform.python_implementation() == "PyPy", reason="PyPy gc is different" + ) + def test_memory_leak(self): + G = self.Graph() + + def count_objects_of_type(_type): + # Iterating over all objects tracked by gc can include weak references + # whose weakly-referenced objects may no longer exist. Calling `isinstance` + # on such a weak reference will raise ReferenceError. There are at least + # three workarounds for this: one is to compare type names instead of using + # `isinstance` such as `type(obj).__name__ == typename`, another is to use + # `type(obj) == _type`, and the last is to ignore ProxyTypes as we do below. + # NOTE: even if this safeguard is deemed unnecessary to pass NetworkX tests, + # we should still keep it for maximum safety for other NetworkX backends. + return sum( + 1 + for obj in gc.get_objects() + if not isinstance(obj, weakref.ProxyTypes) and isinstance(obj, _type) + ) + + gc.collect() + before = count_objects_of_type(self.Graph) + G.copy() + gc.collect() + after = count_objects_of_type(self.Graph) + assert before == after + + # test a subgraph of the base class + class MyGraph(self.Graph): + pass + + gc.collect() + G = MyGraph() + before = count_objects_of_type(MyGraph) + G.copy() + gc.collect() + after = count_objects_of_type(MyGraph) + assert before == after + + def test_edges(self): + G = self.K3 + assert isinstance(G._adj, G.adjlist_outer_dict_factory) + assert edges_equal(G.edges(), [(0, 1), (0, 2), (1, 2)]) + assert edges_equal(G.edges(0), [(0, 1), (0, 2)]) + assert edges_equal(G.edges([0, 1]), [(0, 1), (0, 2), (1, 2)]) + with pytest.raises(nx.NetworkXError): + G.edges(-1) + + def test_degree(self): + G = self.K3 + assert sorted(G.degree()) == [(0, 2), (1, 2), (2, 2)] + assert dict(G.degree()) == {0: 2, 1: 2, 2: 2} + assert G.degree(0) == 2 + with pytest.raises(nx.NetworkXError): + G.degree(-1) # node not in graph + + def test_size(self): + G = self.K3 + assert G.size() == 3 + assert G.number_of_edges() == 3 + + def test_nbunch_iter(self): + G = self.K3 + assert nodes_equal(G.nbunch_iter(), self.k3nodes) # all nodes + assert nodes_equal(G.nbunch_iter(0), [0]) # single node + assert nodes_equal(G.nbunch_iter([0, 1]), [0, 1]) # sequence + # sequence with none in graph + assert nodes_equal(G.nbunch_iter([-1]), []) + # string sequence with none in graph + assert nodes_equal(G.nbunch_iter("foo"), []) + # node not in graph doesn't get caught upon creation of iterator + bunch = G.nbunch_iter(-1) + # but gets caught when iterator used + with pytest.raises(nx.NetworkXError, match="is not a node or a sequence"): + list(bunch) + # unhashable doesn't get caught upon creation of iterator + bunch = G.nbunch_iter([0, 1, 2, {}]) + # but gets caught when iterator hits the unhashable + with pytest.raises( + nx.NetworkXError, match="in sequence nbunch is not a valid node" + ): + list(bunch) + + def test_nbunch_iter_node_format_raise(self): + # Tests that a node that would have failed string formatting + # doesn't cause an error when attempting to raise a + # :exc:`nx.NetworkXError`. + + # For more information, see pull request #1813. + G = self.Graph() + nbunch = [("x", set())] + with pytest.raises(nx.NetworkXError): + list(G.nbunch_iter(nbunch)) + + def test_selfloop_degree(self): + G = self.Graph() + G.add_edge(1, 1) + assert sorted(G.degree()) == [(1, 2)] + assert dict(G.degree()) == {1: 2} + assert G.degree(1) == 2 + assert sorted(G.degree([1])) == [(1, 2)] + assert G.degree(1, weight="weight") == 2 + + def test_selfloops(self): + G = self.K3.copy() + G.add_edge(0, 0) + assert nodes_equal(nx.nodes_with_selfloops(G), [0]) + assert edges_equal(nx.selfloop_edges(G), [(0, 0)]) + assert nx.number_of_selfloops(G) == 1 + G.remove_edge(0, 0) + G.add_edge(0, 0) + G.remove_edges_from([(0, 0)]) + G.add_edge(1, 1) + G.remove_node(1) + G.add_edge(0, 0) + G.add_edge(1, 1) + G.remove_nodes_from([0, 1]) + + def test_cache_reset(self): + G = self.K3.copy() + old_adj = G.adj + assert id(G.adj) == id(old_adj) + G._adj = {} + assert id(G.adj) != id(old_adj) + + old_nodes = G.nodes + assert id(G.nodes) == id(old_nodes) + G._node = {} + assert id(G.nodes) != id(old_nodes) + + def test_attributes_cached(self): + G = self.K3.copy() + assert id(G.nodes) == id(G.nodes) + assert id(G.edges) == id(G.edges) + assert id(G.degree) == id(G.degree) + assert id(G.adj) == id(G.adj) + + +class BaseAttrGraphTester(BaseGraphTester): + """Tests of graph class attribute features.""" + + def test_weighted_degree(self): + G = self.Graph() + G.add_edge(1, 2, weight=2, other=3) + G.add_edge(2, 3, weight=3, other=4) + assert sorted(d for n, d in G.degree(weight="weight")) == [2, 3, 5] + assert dict(G.degree(weight="weight")) == {1: 2, 2: 5, 3: 3} + assert G.degree(1, weight="weight") == 2 + assert nodes_equal((G.degree([1], weight="weight")), [(1, 2)]) + + assert nodes_equal((d for n, d in G.degree(weight="other")), [3, 7, 4]) + assert dict(G.degree(weight="other")) == {1: 3, 2: 7, 3: 4} + assert G.degree(1, weight="other") == 3 + assert edges_equal((G.degree([1], weight="other")), [(1, 3)]) + + def add_attributes(self, G): + G.graph["foo"] = [] + G.nodes[0]["foo"] = [] + G.remove_edge(1, 2) + ll = [] + G.add_edge(1, 2, foo=ll) + G.add_edge(2, 1, foo=ll) + + def test_name(self): + G = self.Graph(name="") + assert G.name == "" + G = self.Graph(name="test") + assert G.name == "test" + + def test_str_unnamed(self): + G = self.Graph() + G.add_edges_from([(1, 2), (2, 3)]) + assert str(G) == f"{type(G).__name__} with 3 nodes and 2 edges" + + def test_str_named(self): + G = self.Graph(name="foo") + G.add_edges_from([(1, 2), (2, 3)]) + assert str(G) == f"{type(G).__name__} named 'foo' with 3 nodes and 2 edges" + + def test_graph_chain(self): + G = self.Graph([(0, 1), (1, 2)]) + DG = G.to_directed(as_view=True) + SDG = DG.subgraph([0, 1]) + RSDG = SDG.reverse(copy=False) + assert G is DG._graph + assert DG is SDG._graph + assert SDG is RSDG._graph + + def test_copy(self): + G = self.Graph() + G.add_node(0) + G.add_edge(1, 2) + self.add_attributes(G) + # copy edge datadict but any container attr are same + H = G.copy() + self.graphs_equal(H, G) + self.different_attrdict(H, G) + self.shallow_copy_attrdict(H, G) + + def test_class_copy(self): + G = self.Graph() + G.add_node(0) + G.add_edge(1, 2) + self.add_attributes(G) + # copy edge datadict but any container attr are same + H = G.__class__(G) + self.graphs_equal(H, G) + self.different_attrdict(H, G) + self.shallow_copy_attrdict(H, G) + + def test_fresh_copy(self): + G = self.Graph() + G.add_node(0) + G.add_edge(1, 2) + self.add_attributes(G) + # copy graph structure but use fresh datadict + H = G.__class__() + H.add_nodes_from(G) + H.add_edges_from(G.edges()) + assert len(G.nodes[0]) == 1 + ddict = G.adj[1][2][0] if G.is_multigraph() else G.adj[1][2] + assert len(ddict) == 1 + assert len(H.nodes[0]) == 0 + ddict = H.adj[1][2][0] if H.is_multigraph() else H.adj[1][2] + assert len(ddict) == 0 + + def is_deepcopy(self, H, G): + self.graphs_equal(H, G) + self.different_attrdict(H, G) + self.deep_copy_attrdict(H, G) + + def deep_copy_attrdict(self, H, G): + self.deepcopy_graph_attr(H, G) + self.deepcopy_node_attr(H, G) + self.deepcopy_edge_attr(H, G) + + def deepcopy_graph_attr(self, H, G): + assert G.graph["foo"] == H.graph["foo"] + G.graph["foo"].append(1) + assert G.graph["foo"] != H.graph["foo"] + + def deepcopy_node_attr(self, H, G): + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + G.nodes[0]["foo"].append(1) + assert G.nodes[0]["foo"] != H.nodes[0]["foo"] + + def deepcopy_edge_attr(self, H, G): + assert G[1][2]["foo"] == H[1][2]["foo"] + G[1][2]["foo"].append(1) + assert G[1][2]["foo"] != H[1][2]["foo"] + + def is_shallow_copy(self, H, G): + self.graphs_equal(H, G) + self.shallow_copy_attrdict(H, G) + + def shallow_copy_attrdict(self, H, G): + self.shallow_copy_graph_attr(H, G) + self.shallow_copy_node_attr(H, G) + self.shallow_copy_edge_attr(H, G) + + def shallow_copy_graph_attr(self, H, G): + assert G.graph["foo"] == H.graph["foo"] + G.graph["foo"].append(1) + assert G.graph["foo"] == H.graph["foo"] + + def shallow_copy_node_attr(self, H, G): + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + G.nodes[0]["foo"].append(1) + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + + def shallow_copy_edge_attr(self, H, G): + assert G[1][2]["foo"] == H[1][2]["foo"] + G[1][2]["foo"].append(1) + assert G[1][2]["foo"] == H[1][2]["foo"] + + def same_attrdict(self, H, G): + old_foo = H[1][2]["foo"] + H.adj[1][2]["foo"] = "baz" + assert G.edges == H.edges + H.adj[1][2]["foo"] = old_foo + assert G.edges == H.edges + + old_foo = H.nodes[0]["foo"] + H.nodes[0]["foo"] = "baz" + assert G.nodes == H.nodes + H.nodes[0]["foo"] = old_foo + assert G.nodes == H.nodes + + def different_attrdict(self, H, G): + old_foo = H[1][2]["foo"] + H.adj[1][2]["foo"] = "baz" + assert G._adj != H._adj + H.adj[1][2]["foo"] = old_foo + assert G._adj == H._adj + + old_foo = H.nodes[0]["foo"] + H.nodes[0]["foo"] = "baz" + assert G._node != H._node + H.nodes[0]["foo"] = old_foo + assert G._node == H._node + + def graphs_equal(self, H, G): + assert G._adj == H._adj + assert G._node == H._node + assert G.graph == H.graph + assert G.name == H.name + if not G.is_directed() and not H.is_directed(): + assert H._adj[1][2] is H._adj[2][1] + assert G._adj[1][2] is G._adj[2][1] + else: # at least one is directed + if not G.is_directed(): + G._pred = G._adj + G._succ = G._adj + if not H.is_directed(): + H._pred = H._adj + H._succ = H._adj + assert G._pred == H._pred + assert G._succ == H._succ + assert H._succ[1][2] is H._pred[2][1] + assert G._succ[1][2] is G._pred[2][1] + + def test_graph_attr(self): + G = self.K3.copy() + G.graph["foo"] = "bar" + assert isinstance(G.graph, G.graph_attr_dict_factory) + assert G.graph["foo"] == "bar" + del G.graph["foo"] + assert G.graph == {} + H = self.Graph(foo="bar") + assert H.graph["foo"] == "bar" + + def test_node_attr(self): + G = self.K3.copy() + G.add_node(1, foo="bar") + assert all( + isinstance(d, G.node_attr_dict_factory) for u, d in G.nodes(data=True) + ) + assert nodes_equal(G.nodes(), [0, 1, 2]) + assert nodes_equal(G.nodes(data=True), [(0, {}), (1, {"foo": "bar"}), (2, {})]) + G.nodes[1]["foo"] = "baz" + assert nodes_equal(G.nodes(data=True), [(0, {}), (1, {"foo": "baz"}), (2, {})]) + assert nodes_equal(G.nodes(data="foo"), [(0, None), (1, "baz"), (2, None)]) + assert nodes_equal( + G.nodes(data="foo", default="bar"), [(0, "bar"), (1, "baz"), (2, "bar")] + ) + + def test_node_attr2(self): + G = self.K3.copy() + a = {"foo": "bar"} + G.add_node(3, **a) + assert nodes_equal(G.nodes(), [0, 1, 2, 3]) + assert nodes_equal( + G.nodes(data=True), [(0, {}), (1, {}), (2, {}), (3, {"foo": "bar"})] + ) + + def test_edge_lookup(self): + G = self.Graph() + G.add_edge(1, 2, foo="bar") + assert edges_equal(G.edges[1, 2], {"foo": "bar"}) + + def test_edge_attr(self): + G = self.Graph() + G.add_edge(1, 2, foo="bar") + assert all( + isinstance(d, G.edge_attr_dict_factory) for u, v, d in G.edges(data=True) + ) + assert edges_equal(G.edges(data=True), [(1, 2, {"foo": "bar"})]) + assert edges_equal(G.edges(data="foo"), [(1, 2, "bar")]) + + def test_edge_attr2(self): + G = self.Graph() + G.add_edges_from([(1, 2), (3, 4)], foo="foo") + assert edges_equal( + G.edges(data=True), [(1, 2, {"foo": "foo"}), (3, 4, {"foo": "foo"})] + ) + assert edges_equal(G.edges(data="foo"), [(1, 2, "foo"), (3, 4, "foo")]) + + def test_edge_attr3(self): + G = self.Graph() + G.add_edges_from([(1, 2, {"weight": 32}), (3, 4, {"weight": 64})], foo="foo") + assert edges_equal( + G.edges(data=True), + [ + (1, 2, {"foo": "foo", "weight": 32}), + (3, 4, {"foo": "foo", "weight": 64}), + ], + ) + + G.remove_edges_from([(1, 2), (3, 4)]) + G.add_edge(1, 2, data=7, spam="bar", bar="foo") + assert edges_equal( + G.edges(data=True), [(1, 2, {"data": 7, "spam": "bar", "bar": "foo"})] + ) + + def test_edge_attr4(self): + G = self.Graph() + G.add_edge(1, 2, data=7, spam="bar", bar="foo") + assert edges_equal( + G.edges(data=True), [(1, 2, {"data": 7, "spam": "bar", "bar": "foo"})] + ) + G[1][2]["data"] = 10 # OK to set data like this + assert edges_equal( + G.edges(data=True), [(1, 2, {"data": 10, "spam": "bar", "bar": "foo"})] + ) + + G.adj[1][2]["data"] = 20 + assert edges_equal( + G.edges(data=True), [(1, 2, {"data": 20, "spam": "bar", "bar": "foo"})] + ) + G.edges[1, 2]["data"] = 21 # another spelling, "edge" + assert edges_equal( + G.edges(data=True), [(1, 2, {"data": 21, "spam": "bar", "bar": "foo"})] + ) + G.adj[1][2]["listdata"] = [20, 200] + G.adj[1][2]["weight"] = 20 + dd = { + "data": 21, + "spam": "bar", + "bar": "foo", + "listdata": [20, 200], + "weight": 20, + } + assert edges_equal(G.edges(data=True), [(1, 2, dd)]) + + def test_to_undirected(self): + G = self.K3 + self.add_attributes(G) + H = nx.Graph(G) + self.is_shallow_copy(H, G) + self.different_attrdict(H, G) + H = G.to_undirected() + self.is_deepcopy(H, G) + + def test_to_directed_as_view(self): + H = nx.path_graph(2, create_using=self.Graph) + H2 = H.to_directed(as_view=True) + assert H is H2._graph + assert H2.has_edge(0, 1) + assert H2.has_edge(1, 0) or H.is_directed() + pytest.raises(nx.NetworkXError, H2.add_node, -1) + pytest.raises(nx.NetworkXError, H2.add_edge, 1, 2) + H.add_edge(1, 2) + assert H2.has_edge(1, 2) + assert H2.has_edge(2, 1) or H.is_directed() + + def test_to_undirected_as_view(self): + H = nx.path_graph(2, create_using=self.Graph) + H2 = H.to_undirected(as_view=True) + assert H is H2._graph + assert H2.has_edge(0, 1) + assert H2.has_edge(1, 0) + pytest.raises(nx.NetworkXError, H2.add_node, -1) + pytest.raises(nx.NetworkXError, H2.add_edge, 1, 2) + H.add_edge(1, 2) + assert H2.has_edge(1, 2) + assert H2.has_edge(2, 1) + + def test_directed_class(self): + G = self.Graph() + + class newGraph(G.to_undirected_class()): + def to_directed_class(self): + return newDiGraph + + def to_undirected_class(self): + return newGraph + + class newDiGraph(G.to_directed_class()): + def to_directed_class(self): + return newDiGraph + + def to_undirected_class(self): + return newGraph + + G = newDiGraph() if G.is_directed() else newGraph() + H = G.to_directed() + assert isinstance(H, newDiGraph) + H = G.to_undirected() + assert isinstance(H, newGraph) + + def test_to_directed(self): + G = self.K3 + self.add_attributes(G) + H = nx.DiGraph(G) + self.is_shallow_copy(H, G) + self.different_attrdict(H, G) + H = G.to_directed() + self.is_deepcopy(H, G) + + def test_subgraph(self): + G = self.K3 + self.add_attributes(G) + H = G.subgraph([0, 1, 2, 5]) + self.graphs_equal(H, G) + self.same_attrdict(H, G) + self.shallow_copy_attrdict(H, G) + + H = G.subgraph(0) + assert H.adj == {0: {}} + H = G.subgraph([]) + assert H.adj == {} + assert G.adj != {} + + def test_selfloops_attr(self): + G = self.K3.copy() + G.add_edge(0, 0) + G.add_edge(1, 1, weight=2) + assert edges_equal( + nx.selfloop_edges(G, data=True), [(0, 0, {}), (1, 1, {"weight": 2})] + ) + assert edges_equal( + nx.selfloop_edges(G, data="weight"), [(0, 0, None), (1, 1, 2)] + ) + + +class TestGraph(BaseAttrGraphTester): + """Tests specific to dict-of-dict-of-dict graph data structure""" + + def setup_method(self): + self.Graph = nx.Graph + # build dict-of-dict-of-dict K3 + ed1, ed2, ed3 = ({}, {}, {}) + self.k3adj = {0: {1: ed1, 2: ed2}, 1: {0: ed1, 2: ed3}, 2: {0: ed2, 1: ed3}} + self.k3edges = [(0, 1), (0, 2), (1, 2)] + self.k3nodes = [0, 1, 2] + self.K3 = self.Graph() + self.K3._adj = self.k3adj + self.K3._node = {} + self.K3._node[0] = {} + self.K3._node[1] = {} + self.K3._node[2] = {} + + def test_pickle(self): + G = self.K3 + pg = pickle.loads(pickle.dumps(G, -1)) + self.graphs_equal(pg, G) + pg = pickle.loads(pickle.dumps(G)) + self.graphs_equal(pg, G) + + def test_data_input(self): + G = self.Graph({1: [2], 2: [1]}, name="test") + assert G.name == "test" + assert sorted(G.adj.items()) == [(1, {2: {}}), (2, {1: {}})] + + def test_adjacency(self): + G = self.K3 + assert dict(G.adjacency()) == { + 0: {1: {}, 2: {}}, + 1: {0: {}, 2: {}}, + 2: {0: {}, 1: {}}, + } + + def test_getitem(self): + G = self.K3 + assert G.adj[0] == {1: {}, 2: {}} + assert G[0] == {1: {}, 2: {}} + with pytest.raises(KeyError): + G.__getitem__("j") + with pytest.raises(TypeError): + G.__getitem__(["A"]) + + def test_add_node(self): + G = self.Graph() + G.add_node(0) + assert G.adj == {0: {}} + # test add attributes + G.add_node(1, c="red") + G.add_node(2, c="blue") + G.add_node(3, c="red") + assert G.nodes[1]["c"] == "red" + assert G.nodes[2]["c"] == "blue" + assert G.nodes[3]["c"] == "red" + # test updating attributes + G.add_node(1, c="blue") + G.add_node(2, c="red") + G.add_node(3, c="blue") + assert G.nodes[1]["c"] == "blue" + assert G.nodes[2]["c"] == "red" + assert G.nodes[3]["c"] == "blue" + + def test_add_nodes_from(self): + G = self.Graph() + G.add_nodes_from([0, 1, 2]) + assert G.adj == {0: {}, 1: {}, 2: {}} + # test add attributes + G.add_nodes_from([0, 1, 2], c="red") + assert G.nodes[0]["c"] == "red" + assert G.nodes[2]["c"] == "red" + # test that attribute dicts are not the same + assert G.nodes[0] is not G.nodes[1] + # test updating attributes + G.add_nodes_from([0, 1, 2], c="blue") + assert G.nodes[0]["c"] == "blue" + assert G.nodes[2]["c"] == "blue" + assert G.nodes[0] is not G.nodes[1] + # test tuple input + H = self.Graph() + H.add_nodes_from(G.nodes(data=True)) + assert H.nodes[0]["c"] == "blue" + assert H.nodes[2]["c"] == "blue" + assert H.nodes[0] is not H.nodes[1] + # specific overrides general + H.add_nodes_from([0, (1, {"c": "green"}), (3, {"c": "cyan"})], c="red") + assert H.nodes[0]["c"] == "red" + assert H.nodes[1]["c"] == "green" + assert H.nodes[2]["c"] == "blue" + assert H.nodes[3]["c"] == "cyan" + + def test_remove_node(self): + G = self.K3.copy() + G.remove_node(0) + assert G.adj == {1: {2: {}}, 2: {1: {}}} + with pytest.raises(nx.NetworkXError): + G.remove_node(-1) + + # generator here to implement list,set,string... + + def test_remove_nodes_from(self): + G = self.K3.copy() + G.remove_nodes_from([0, 1]) + assert G.adj == {2: {}} + G.remove_nodes_from([-1]) # silent fail + + def test_add_edge(self): + G = self.Graph() + G.add_edge(0, 1) + assert G.adj == {0: {1: {}}, 1: {0: {}}} + G = self.Graph() + G.add_edge(*(0, 1)) + assert G.adj == {0: {1: {}}, 1: {0: {}}} + G = self.Graph() + with pytest.raises(ValueError): + G.add_edge(None, "anything") + + def test_add_edges_from(self): + G = self.Graph() + G.add_edges_from([(0, 1), (0, 2, {"weight": 3})]) + assert G.adj == { + 0: {1: {}, 2: {"weight": 3}}, + 1: {0: {}}, + 2: {0: {"weight": 3}}, + } + G = self.Graph() + G.add_edges_from([(0, 1), (0, 2, {"weight": 3}), (1, 2, {"data": 4})], data=2) + assert G.adj == { + 0: {1: {"data": 2}, 2: {"weight": 3, "data": 2}}, + 1: {0: {"data": 2}, 2: {"data": 4}}, + 2: {0: {"weight": 3, "data": 2}, 1: {"data": 4}}, + } + + with pytest.raises(nx.NetworkXError): + G.add_edges_from([(0,)]) # too few in tuple + with pytest.raises(nx.NetworkXError): + G.add_edges_from([(0, 1, 2, 3)]) # too many in tuple + with pytest.raises(TypeError): + G.add_edges_from([0]) # not a tuple + with pytest.raises(ValueError): + G.add_edges_from([(None, 3), (3, 2)]) # None cannot be a node + + def test_remove_edge(self): + G = self.K3.copy() + G.remove_edge(0, 1) + assert G.adj == {0: {2: {}}, 1: {2: {}}, 2: {0: {}, 1: {}}} + with pytest.raises(nx.NetworkXError): + G.remove_edge(-1, 0) + + def test_remove_edges_from(self): + G = self.K3.copy() + G.remove_edges_from([(0, 1)]) + assert G.adj == {0: {2: {}}, 1: {2: {}}, 2: {0: {}, 1: {}}} + G.remove_edges_from([(0, 0)]) # silent fail + + def test_clear(self): + G = self.K3.copy() + G.graph["name"] = "K3" + G.clear() + assert list(G.nodes) == [] + assert G.adj == {} + assert G.graph == {} + + def test_clear_edges(self): + G = self.K3.copy() + G.graph["name"] = "K3" + nodes = list(G.nodes) + G.clear_edges() + assert list(G.nodes) == nodes + assert G.adj == {0: {}, 1: {}, 2: {}} + assert list(G.edges) == [] + assert G.graph["name"] == "K3" + + def test_edges_data(self): + G = self.K3 + all_edges = [(0, 1, {}), (0, 2, {}), (1, 2, {})] + assert edges_equal(G.edges(data=True), all_edges) + assert edges_equal(G.edges(0, data=True), [(0, 1, {}), (0, 2, {})]) + assert edges_equal(G.edges([0, 1], data=True), all_edges) + with pytest.raises(nx.NetworkXError): + G.edges(-1, True) + + def test_get_edge_data(self): + G = self.K3.copy() + assert G.get_edge_data(0, 1) == {} + assert G[0][1] == {} + assert G.get_edge_data(10, 20) is None + assert G.get_edge_data(-1, 0) is None + assert G.get_edge_data(-1, 0, default=1) == 1 + + def test_update(self): + # specify both edges and nodes + G = self.K3.copy() + G.update(nodes=[3, (4, {"size": 2})], edges=[(4, 5), (6, 7, {"weight": 2})]) + nlist = [ + (0, {}), + (1, {}), + (2, {}), + (3, {}), + (4, {"size": 2}), + (5, {}), + (6, {}), + (7, {}), + ] + assert sorted(G.nodes.data()) == nlist + if G.is_directed(): + elist = [ + (0, 1, {}), + (0, 2, {}), + (1, 0, {}), + (1, 2, {}), + (2, 0, {}), + (2, 1, {}), + (4, 5, {}), + (6, 7, {"weight": 2}), + ] + else: + elist = [ + (0, 1, {}), + (0, 2, {}), + (1, 2, {}), + (4, 5, {}), + (6, 7, {"weight": 2}), + ] + assert sorted(G.edges.data()) == elist + assert G.graph == {} + + # no keywords -- order is edges, nodes + G = self.K3.copy() + G.update([(4, 5), (6, 7, {"weight": 2})], [3, (4, {"size": 2})]) + assert sorted(G.nodes.data()) == nlist + assert sorted(G.edges.data()) == elist + assert G.graph == {} + + # update using only a graph + G = self.Graph() + G.graph["foo"] = "bar" + G.add_node(2, data=4) + G.add_edge(0, 1, weight=0.5) + GG = G.copy() + H = self.Graph() + GG.update(H) + assert graphs_equal(G, GG) + H.update(G) + assert graphs_equal(H, G) + + # update nodes only + H = self.Graph() + H.update(nodes=[3, 4]) + assert H.nodes ^ {3, 4} == set() + assert H.size() == 0 + + # update edges only + H = self.Graph() + H.update(edges=[(3, 4)]) + assert sorted(H.edges.data()) == [(3, 4, {})] + assert H.size() == 1 + + # No inputs -> exception + with pytest.raises(nx.NetworkXError): + nx.Graph().update() + + +class TestEdgeSubgraph: + """Unit tests for the :meth:`Graph.edge_subgraph` method.""" + + def setup_method(self): + # Create a path graph on five nodes. + G = nx.path_graph(5) + # Add some node, edge, and graph attributes. + for i in range(5): + G.nodes[i]["name"] = f"node{i}" + G.edges[0, 1]["name"] = "edge01" + G.edges[3, 4]["name"] = "edge34" + G.graph["name"] = "graph" + # Get the subgraph induced by the first and last edges. + self.G = G + self.H = G.edge_subgraph([(0, 1), (3, 4)]) + + def test_correct_nodes(self): + """Tests that the subgraph has the correct nodes.""" + assert [0, 1, 3, 4] == sorted(self.H.nodes()) + + def test_correct_edges(self): + """Tests that the subgraph has the correct edges.""" + assert [(0, 1, "edge01"), (3, 4, "edge34")] == sorted(self.H.edges(data="name")) + + def test_add_node(self): + """Tests that adding a node to the original graph does not + affect the nodes of the subgraph. + + """ + self.G.add_node(5) + assert [0, 1, 3, 4] == sorted(self.H.nodes()) + + def test_remove_node(self): + """Tests that removing a node in the original graph does + affect the nodes of the subgraph. + + """ + self.G.remove_node(0) + assert [1, 3, 4] == sorted(self.H.nodes()) + + def test_node_attr_dict(self): + """Tests that the node attribute dictionary of the two graphs is + the same object. + + """ + for v in self.H: + assert self.G.nodes[v] == self.H.nodes[v] + # Making a change to G should make a change in H and vice versa. + self.G.nodes[0]["name"] = "foo" + assert self.G.nodes[0] == self.H.nodes[0] + self.H.nodes[1]["name"] = "bar" + assert self.G.nodes[1] == self.H.nodes[1] + + def test_edge_attr_dict(self): + """Tests that the edge attribute dictionary of the two graphs is + the same object. + + """ + for u, v in self.H.edges(): + assert self.G.edges[u, v] == self.H.edges[u, v] + # Making a change to G should make a change in H and vice versa. + self.G.edges[0, 1]["name"] = "foo" + assert self.G.edges[0, 1]["name"] == self.H.edges[0, 1]["name"] + self.H.edges[3, 4]["name"] = "bar" + assert self.G.edges[3, 4]["name"] == self.H.edges[3, 4]["name"] + + def test_graph_attr_dict(self): + """Tests that the graph attribute dictionary of the two graphs + is the same object. + + """ + assert self.G.graph is self.H.graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph_historical.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph_historical.py new file mode 100644 index 0000000000000000000000000000000000000000..7af081c4871e1e3435668cd62200080c72719955 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graph_historical.py @@ -0,0 +1,12 @@ +"""Original NetworkX graph tests""" +import networkx +import networkx as nx + +from .historical_tests import HistoricalTests + + +class TestGraphHistorical(HistoricalTests): + @classmethod + def setup_class(cls): + HistoricalTests.setup_class() + cls.G = nx.Graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graphviews.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graphviews.py new file mode 100644 index 0000000000000000000000000000000000000000..591c760c9bdfa61984dd7b87e938b1c15c04be0e --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_graphviews.py @@ -0,0 +1,350 @@ +import pytest + +import networkx as nx +from networkx.utils import edges_equal, nodes_equal + +# Note: SubGraph views are not tested here. They have their own testing file + + +class TestReverseView: + def setup_method(self): + self.G = nx.path_graph(9, create_using=nx.DiGraph()) + self.rv = nx.reverse_view(self.G) + + def test_pickle(self): + import pickle + + rv = self.rv + prv = pickle.loads(pickle.dumps(rv, -1)) + assert rv._node == prv._node + assert rv._adj == prv._adj + assert rv.graph == prv.graph + + def test_contains(self): + assert (2, 3) in self.G.edges + assert (3, 2) not in self.G.edges + assert (2, 3) not in self.rv.edges + assert (3, 2) in self.rv.edges + + def test_iter(self): + expected = sorted(tuple(reversed(e)) for e in self.G.edges) + assert sorted(self.rv.edges) == expected + + def test_exceptions(self): + G = nx.Graph() + pytest.raises(nx.NetworkXNotImplemented, nx.reverse_view, G) + + def test_subclass(self): + class MyGraph(nx.DiGraph): + def my_method(self): + return "me" + + def to_directed_class(self): + return MyGraph() + + M = MyGraph() + M.add_edge(1, 2) + RM = nx.reverse_view(M) + print("RM class", RM.__class__) + RMC = RM.copy() + print("RMC class", RMC.__class__) + print(RMC.edges) + assert RMC.has_edge(2, 1) + assert RMC.my_method() == "me" + + +class TestMultiReverseView: + def setup_method(self): + self.G = nx.path_graph(9, create_using=nx.MultiDiGraph()) + self.G.add_edge(4, 5) + self.rv = nx.reverse_view(self.G) + + def test_pickle(self): + import pickle + + rv = self.rv + prv = pickle.loads(pickle.dumps(rv, -1)) + assert rv._node == prv._node + assert rv._adj == prv._adj + assert rv.graph == prv.graph + + def test_contains(self): + assert (2, 3, 0) in self.G.edges + assert (3, 2, 0) not in self.G.edges + assert (2, 3, 0) not in self.rv.edges + assert (3, 2, 0) in self.rv.edges + assert (5, 4, 1) in self.rv.edges + assert (4, 5, 1) not in self.rv.edges + + def test_iter(self): + expected = sorted((v, u, k) for u, v, k in self.G.edges) + assert sorted(self.rv.edges) == expected + + def test_exceptions(self): + MG = nx.MultiGraph(self.G) + pytest.raises(nx.NetworkXNotImplemented, nx.reverse_view, MG) + + +def test_generic_multitype(): + nxg = nx.graphviews + G = nx.DiGraph([(1, 2)]) + with pytest.raises(nx.NetworkXError): + nxg.generic_graph_view(G, create_using=nx.MultiGraph) + G = nx.MultiDiGraph([(1, 2)]) + with pytest.raises(nx.NetworkXError): + nxg.generic_graph_view(G, create_using=nx.DiGraph) + + +class TestToDirected: + def setup_method(self): + self.G = nx.path_graph(9) + self.dv = nx.to_directed(self.G) + self.MG = nx.path_graph(9, create_using=nx.MultiGraph()) + self.Mdv = nx.to_directed(self.MG) + + def test_directed(self): + assert not self.G.is_directed() + assert self.dv.is_directed() + + def test_already_directed(self): + dd = nx.to_directed(self.dv) + Mdd = nx.to_directed(self.Mdv) + assert edges_equal(dd.edges, self.dv.edges) + assert edges_equal(Mdd.edges, self.Mdv.edges) + + def test_pickle(self): + import pickle + + dv = self.dv + pdv = pickle.loads(pickle.dumps(dv, -1)) + assert dv._node == pdv._node + assert dv._succ == pdv._succ + assert dv._pred == pdv._pred + assert dv.graph == pdv.graph + + def test_contains(self): + assert (2, 3) in self.G.edges + assert (3, 2) in self.G.edges + assert (2, 3) in self.dv.edges + assert (3, 2) in self.dv.edges + + def test_iter(self): + revd = [tuple(reversed(e)) for e in self.G.edges] + expected = sorted(list(self.G.edges) + revd) + assert sorted(self.dv.edges) == expected + + +class TestToUndirected: + def setup_method(self): + self.DG = nx.path_graph(9, create_using=nx.DiGraph()) + self.uv = nx.to_undirected(self.DG) + self.MDG = nx.path_graph(9, create_using=nx.MultiDiGraph()) + self.Muv = nx.to_undirected(self.MDG) + + def test_directed(self): + assert self.DG.is_directed() + assert not self.uv.is_directed() + + def test_already_directed(self): + uu = nx.to_undirected(self.uv) + Muu = nx.to_undirected(self.Muv) + assert edges_equal(uu.edges, self.uv.edges) + assert edges_equal(Muu.edges, self.Muv.edges) + + def test_pickle(self): + import pickle + + uv = self.uv + puv = pickle.loads(pickle.dumps(uv, -1)) + assert uv._node == puv._node + assert uv._adj == puv._adj + assert uv.graph == puv.graph + assert hasattr(uv, "_graph") + + def test_contains(self): + assert (2, 3) in self.DG.edges + assert (3, 2) not in self.DG.edges + assert (2, 3) in self.uv.edges + assert (3, 2) in self.uv.edges + + def test_iter(self): + expected = sorted(self.DG.edges) + assert sorted(self.uv.edges) == expected + + +class TestChainsOfViews: + @classmethod + def setup_class(cls): + cls.G = nx.path_graph(9) + cls.DG = nx.path_graph(9, create_using=nx.DiGraph()) + cls.MG = nx.path_graph(9, create_using=nx.MultiGraph()) + cls.MDG = nx.path_graph(9, create_using=nx.MultiDiGraph()) + cls.Gv = nx.to_undirected(cls.DG) + cls.DGv = nx.to_directed(cls.G) + cls.MGv = nx.to_undirected(cls.MDG) + cls.MDGv = nx.to_directed(cls.MG) + cls.Rv = cls.DG.reverse() + cls.MRv = cls.MDG.reverse() + cls.graphs = [ + cls.G, + cls.DG, + cls.MG, + cls.MDG, + cls.Gv, + cls.DGv, + cls.MGv, + cls.MDGv, + cls.Rv, + cls.MRv, + ] + for G in cls.graphs: + G.edges, G.nodes, G.degree + + def test_pickle(self): + import pickle + + for G in self.graphs: + H = pickle.loads(pickle.dumps(G, -1)) + assert edges_equal(H.edges, G.edges) + assert nodes_equal(H.nodes, G.nodes) + + def test_subgraph_of_subgraph(self): + SGv = nx.subgraph(self.G, range(3, 7)) + SDGv = nx.subgraph(self.DG, range(3, 7)) + SMGv = nx.subgraph(self.MG, range(3, 7)) + SMDGv = nx.subgraph(self.MDG, range(3, 7)) + for G in self.graphs + [SGv, SDGv, SMGv, SMDGv]: + SG = nx.induced_subgraph(G, [4, 5, 6]) + assert list(SG) == [4, 5, 6] + SSG = SG.subgraph([6, 7]) + assert list(SSG) == [6] + # subgraph-subgraph chain is short-cut in base class method + assert SSG._graph is G + + def test_restricted_induced_subgraph_chains(self): + """Test subgraph chains that both restrict and show nodes/edges. + + A restricted_view subgraph should allow induced subgraphs using + G.subgraph that automagically without a chain (meaning the result + is a subgraph view of the original graph not a subgraph-of-subgraph. + """ + hide_nodes = [3, 4, 5] + hide_edges = [(6, 7)] + RG = nx.restricted_view(self.G, hide_nodes, hide_edges) + nodes = [4, 5, 6, 7, 8] + SG = nx.induced_subgraph(RG, nodes) + SSG = RG.subgraph(nodes) + assert RG._graph is self.G + assert SSG._graph is self.G + assert SG._graph is RG + assert edges_equal(SG.edges, SSG.edges) + # should be same as morphing the graph + CG = self.G.copy() + CG.remove_nodes_from(hide_nodes) + CG.remove_edges_from(hide_edges) + assert edges_equal(CG.edges(nodes), SSG.edges) + CG.remove_nodes_from([0, 1, 2, 3]) + assert edges_equal(CG.edges, SSG.edges) + # switch order: subgraph first, then restricted view + SSSG = self.G.subgraph(nodes) + RSG = nx.restricted_view(SSSG, hide_nodes, hide_edges) + assert RSG._graph is not self.G + assert edges_equal(RSG.edges, CG.edges) + + def test_subgraph_copy(self): + for origG in self.graphs: + G = nx.Graph(origG) + SG = G.subgraph([4, 5, 6]) + H = SG.copy() + assert type(G) == type(H) + + def test_subgraph_todirected(self): + SG = nx.induced_subgraph(self.G, [4, 5, 6]) + SSG = SG.to_directed() + assert sorted(SSG) == [4, 5, 6] + assert sorted(SSG.edges) == [(4, 5), (5, 4), (5, 6), (6, 5)] + + def test_subgraph_toundirected(self): + SG = nx.induced_subgraph(self.G, [4, 5, 6]) + SSG = SG.to_undirected() + assert list(SSG) == [4, 5, 6] + assert sorted(SSG.edges) == [(4, 5), (5, 6)] + + def test_reverse_subgraph_toundirected(self): + G = self.DG.reverse(copy=False) + SG = G.subgraph([4, 5, 6]) + SSG = SG.to_undirected() + assert list(SSG) == [4, 5, 6] + assert sorted(SSG.edges) == [(4, 5), (5, 6)] + + def test_reverse_reverse_copy(self): + G = self.DG.reverse(copy=False) + H = G.reverse(copy=True) + assert H.nodes == self.DG.nodes + assert H.edges == self.DG.edges + G = self.MDG.reverse(copy=False) + H = G.reverse(copy=True) + assert H.nodes == self.MDG.nodes + assert H.edges == self.MDG.edges + + def test_subgraph_edgesubgraph_toundirected(self): + G = self.G.copy() + SG = G.subgraph([4, 5, 6]) + SSG = SG.edge_subgraph([(4, 5), (5, 4)]) + USSG = SSG.to_undirected() + assert list(USSG) == [4, 5] + assert sorted(USSG.edges) == [(4, 5)] + + def test_copy_subgraph(self): + G = self.G.copy() + SG = G.subgraph([4, 5, 6]) + CSG = SG.copy(as_view=True) + DCSG = SG.copy(as_view=False) + assert hasattr(CSG, "_graph") # is a view + assert not hasattr(DCSG, "_graph") # not a view + + def test_copy_disubgraph(self): + G = self.DG.copy() + SG = G.subgraph([4, 5, 6]) + CSG = SG.copy(as_view=True) + DCSG = SG.copy(as_view=False) + assert hasattr(CSG, "_graph") # is a view + assert not hasattr(DCSG, "_graph") # not a view + + def test_copy_multidisubgraph(self): + G = self.MDG.copy() + SG = G.subgraph([4, 5, 6]) + CSG = SG.copy(as_view=True) + DCSG = SG.copy(as_view=False) + assert hasattr(CSG, "_graph") # is a view + assert not hasattr(DCSG, "_graph") # not a view + + def test_copy_multisubgraph(self): + G = self.MG.copy() + SG = G.subgraph([4, 5, 6]) + CSG = SG.copy(as_view=True) + DCSG = SG.copy(as_view=False) + assert hasattr(CSG, "_graph") # is a view + assert not hasattr(DCSG, "_graph") # not a view + + def test_copy_of_view(self): + G = nx.MultiGraph(self.MGv) + assert G.__class__.__name__ == "MultiGraph" + G = G.copy(as_view=True) + assert G.__class__.__name__ == "MultiGraph" + + def test_subclass(self): + class MyGraph(nx.DiGraph): + def my_method(self): + return "me" + + def to_directed_class(self): + return MyGraph() + + for origG in self.graphs: + G = MyGraph(origG) + SG = G.subgraph([4, 5, 6]) + H = SG.copy() + assert SG.my_method() == "me" + assert H.my_method() == "me" + assert 3 not in H or 3 in SG diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_multidigraph.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_multidigraph.py new file mode 100644 index 0000000000000000000000000000000000000000..fc0bd5467d0a62dc8f533af7a6c5bbc0a57fc010 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_multidigraph.py @@ -0,0 +1,459 @@ +from collections import UserDict + +import pytest + +import networkx as nx +from networkx.utils import edges_equal + +from .test_multigraph import BaseMultiGraphTester +from .test_multigraph import TestEdgeSubgraph as _TestMultiGraphEdgeSubgraph +from .test_multigraph import TestMultiGraph as _TestMultiGraph + + +class BaseMultiDiGraphTester(BaseMultiGraphTester): + def test_edges(self): + G = self.K3 + edges = [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.edges()) == edges + assert sorted(G.edges(0)) == [(0, 1), (0, 2)] + pytest.raises((KeyError, nx.NetworkXError), G.edges, -1) + + def test_edges_data(self): + G = self.K3 + edges = [(0, 1, {}), (0, 2, {}), (1, 0, {}), (1, 2, {}), (2, 0, {}), (2, 1, {})] + assert sorted(G.edges(data=True)) == edges + assert sorted(G.edges(0, data=True)) == [(0, 1, {}), (0, 2, {})] + pytest.raises((KeyError, nx.NetworkXError), G.neighbors, -1) + + def test_edges_multi(self): + G = self.K3 + assert sorted(G.edges()) == [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.edges(0)) == [(0, 1), (0, 2)] + G.add_edge(0, 1) + assert sorted(G.edges()) == [ + (0, 1), + (0, 1), + (0, 2), + (1, 0), + (1, 2), + (2, 0), + (2, 1), + ] + + def test_out_edges(self): + G = self.K3 + assert sorted(G.out_edges()) == [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.out_edges(0)) == [(0, 1), (0, 2)] + pytest.raises((KeyError, nx.NetworkXError), G.out_edges, -1) + assert sorted(G.out_edges(0, keys=True)) == [(0, 1, 0), (0, 2, 0)] + + def test_out_edges_multi(self): + G = self.K3 + assert sorted(G.out_edges()) == [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.out_edges(0)) == [(0, 1), (0, 2)] + G.add_edge(0, 1, 2) + assert sorted(G.out_edges()) == [ + (0, 1), + (0, 1), + (0, 2), + (1, 0), + (1, 2), + (2, 0), + (2, 1), + ] + + def test_out_edges_data(self): + G = self.K3 + assert sorted(G.edges(0, data=True)) == [(0, 1, {}), (0, 2, {})] + G.remove_edge(0, 1) + G.add_edge(0, 1, data=1) + assert sorted(G.edges(0, data=True)) == [(0, 1, {"data": 1}), (0, 2, {})] + assert sorted(G.edges(0, data="data")) == [(0, 1, 1), (0, 2, None)] + assert sorted(G.edges(0, data="data", default=-1)) == [(0, 1, 1), (0, 2, -1)] + + def test_in_edges(self): + G = self.K3 + assert sorted(G.in_edges()) == [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.in_edges(0)) == [(1, 0), (2, 0)] + pytest.raises((KeyError, nx.NetworkXError), G.in_edges, -1) + G.add_edge(0, 1, 2) + assert sorted(G.in_edges()) == [ + (0, 1), + (0, 1), + (0, 2), + (1, 0), + (1, 2), + (2, 0), + (2, 1), + ] + assert sorted(G.in_edges(0, keys=True)) == [(1, 0, 0), (2, 0, 0)] + + def test_in_edges_no_keys(self): + G = self.K3 + assert sorted(G.in_edges()) == [(0, 1), (0, 2), (1, 0), (1, 2), (2, 0), (2, 1)] + assert sorted(G.in_edges(0)) == [(1, 0), (2, 0)] + G.add_edge(0, 1, 2) + assert sorted(G.in_edges()) == [ + (0, 1), + (0, 1), + (0, 2), + (1, 0), + (1, 2), + (2, 0), + (2, 1), + ] + + assert sorted(G.in_edges(data=True, keys=False)) == [ + (0, 1, {}), + (0, 1, {}), + (0, 2, {}), + (1, 0, {}), + (1, 2, {}), + (2, 0, {}), + (2, 1, {}), + ] + + def test_in_edges_data(self): + G = self.K3 + assert sorted(G.in_edges(0, data=True)) == [(1, 0, {}), (2, 0, {})] + G.remove_edge(1, 0) + G.add_edge(1, 0, data=1) + assert sorted(G.in_edges(0, data=True)) == [(1, 0, {"data": 1}), (2, 0, {})] + assert sorted(G.in_edges(0, data="data")) == [(1, 0, 1), (2, 0, None)] + assert sorted(G.in_edges(0, data="data", default=-1)) == [(1, 0, 1), (2, 0, -1)] + + def is_shallow(self, H, G): + # graph + assert G.graph["foo"] == H.graph["foo"] + G.graph["foo"].append(1) + assert G.graph["foo"] == H.graph["foo"] + # node + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + G.nodes[0]["foo"].append(1) + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + # edge + assert G[1][2][0]["foo"] == H[1][2][0]["foo"] + G[1][2][0]["foo"].append(1) + assert G[1][2][0]["foo"] == H[1][2][0]["foo"] + + def is_deep(self, H, G): + # graph + assert G.graph["foo"] == H.graph["foo"] + G.graph["foo"].append(1) + assert G.graph["foo"] != H.graph["foo"] + # node + assert G.nodes[0]["foo"] == H.nodes[0]["foo"] + G.nodes[0]["foo"].append(1) + assert G.nodes[0]["foo"] != H.nodes[0]["foo"] + # edge + assert G[1][2][0]["foo"] == H[1][2][0]["foo"] + G[1][2][0]["foo"].append(1) + assert G[1][2][0]["foo"] != H[1][2][0]["foo"] + + def test_to_undirected(self): + # MultiDiGraph -> MultiGraph changes number of edges so it is + # not a copy operation... use is_shallow, not is_shallow_copy + G = self.K3 + self.add_attributes(G) + H = nx.MultiGraph(G) + # self.is_shallow(H,G) + # the result is traversal order dependent so we + # can't use the is_shallow() test here. + try: + assert edges_equal(H.edges(), [(0, 1), (1, 2), (2, 0)]) + except AssertionError: + assert edges_equal(H.edges(), [(0, 1), (1, 2), (1, 2), (2, 0)]) + H = G.to_undirected() + self.is_deep(H, G) + + def test_has_successor(self): + G = self.K3 + assert G.has_successor(0, 1) + assert not G.has_successor(0, -1) + + def test_successors(self): + G = self.K3 + assert sorted(G.successors(0)) == [1, 2] + pytest.raises((KeyError, nx.NetworkXError), G.successors, -1) + + def test_has_predecessor(self): + G = self.K3 + assert G.has_predecessor(0, 1) + assert not G.has_predecessor(0, -1) + + def test_predecessors(self): + G = self.K3 + assert sorted(G.predecessors(0)) == [1, 2] + pytest.raises((KeyError, nx.NetworkXError), G.predecessors, -1) + + def test_degree(self): + G = self.K3 + assert sorted(G.degree()) == [(0, 4), (1, 4), (2, 4)] + assert dict(G.degree()) == {0: 4, 1: 4, 2: 4} + assert G.degree(0) == 4 + assert list(G.degree(iter([0]))) == [(0, 4)] + G.add_edge(0, 1, weight=0.3, other=1.2) + assert sorted(G.degree(weight="weight")) == [(0, 4.3), (1, 4.3), (2, 4)] + assert sorted(G.degree(weight="other")) == [(0, 5.2), (1, 5.2), (2, 4)] + + def test_in_degree(self): + G = self.K3 + assert sorted(G.in_degree()) == [(0, 2), (1, 2), (2, 2)] + assert dict(G.in_degree()) == {0: 2, 1: 2, 2: 2} + assert G.in_degree(0) == 2 + assert list(G.in_degree(iter([0]))) == [(0, 2)] + assert G.in_degree(0, weight="weight") == 2 + + def test_out_degree(self): + G = self.K3 + assert sorted(G.out_degree()) == [(0, 2), (1, 2), (2, 2)] + assert dict(G.out_degree()) == {0: 2, 1: 2, 2: 2} + assert G.out_degree(0) == 2 + assert list(G.out_degree(iter([0]))) == [(0, 2)] + assert G.out_degree(0, weight="weight") == 2 + + def test_size(self): + G = self.K3 + assert G.size() == 6 + assert G.number_of_edges() == 6 + G.add_edge(0, 1, weight=0.3, other=1.2) + assert round(G.size(weight="weight"), 2) == 6.3 + assert round(G.size(weight="other"), 2) == 7.2 + + def test_to_undirected_reciprocal(self): + G = self.Graph() + G.add_edge(1, 2) + assert G.to_undirected().has_edge(1, 2) + assert not G.to_undirected(reciprocal=True).has_edge(1, 2) + G.add_edge(2, 1) + assert G.to_undirected(reciprocal=True).has_edge(1, 2) + + def test_reverse_copy(self): + G = nx.MultiDiGraph([(0, 1), (0, 1)]) + R = G.reverse() + assert sorted(R.edges()) == [(1, 0), (1, 0)] + R.remove_edge(1, 0) + assert sorted(R.edges()) == [(1, 0)] + assert sorted(G.edges()) == [(0, 1), (0, 1)] + + def test_reverse_nocopy(self): + G = nx.MultiDiGraph([(0, 1), (0, 1)]) + R = G.reverse(copy=False) + assert sorted(R.edges()) == [(1, 0), (1, 0)] + pytest.raises(nx.NetworkXError, R.remove_edge, 1, 0) + + def test_di_attributes_cached(self): + G = self.K3.copy() + assert id(G.in_edges) == id(G.in_edges) + assert id(G.out_edges) == id(G.out_edges) + assert id(G.in_degree) == id(G.in_degree) + assert id(G.out_degree) == id(G.out_degree) + assert id(G.succ) == id(G.succ) + assert id(G.pred) == id(G.pred) + + +class TestMultiDiGraph(BaseMultiDiGraphTester, _TestMultiGraph): + def setup_method(self): + self.Graph = nx.MultiDiGraph + # build K3 + self.k3edges = [(0, 1), (0, 2), (1, 2)] + self.k3nodes = [0, 1, 2] + self.K3 = self.Graph() + self.K3._succ = {0: {}, 1: {}, 2: {}} + # K3._adj is synced with K3._succ + self.K3._pred = {0: {}, 1: {}, 2: {}} + for u in self.k3nodes: + for v in self.k3nodes: + if u == v: + continue + d = {0: {}} + self.K3._succ[u][v] = d + self.K3._pred[v][u] = d + self.K3._node = {} + self.K3._node[0] = {} + self.K3._node[1] = {} + self.K3._node[2] = {} + + def test_add_edge(self): + G = self.Graph() + G.add_edge(0, 1) + assert G._adj == {0: {1: {0: {}}}, 1: {}} + assert G._succ == {0: {1: {0: {}}}, 1: {}} + assert G._pred == {0: {}, 1: {0: {0: {}}}} + G = self.Graph() + G.add_edge(*(0, 1)) + assert G._adj == {0: {1: {0: {}}}, 1: {}} + assert G._succ == {0: {1: {0: {}}}, 1: {}} + assert G._pred == {0: {}, 1: {0: {0: {}}}} + with pytest.raises(ValueError, match="None cannot be a node"): + G.add_edge(None, 3) + + def test_add_edges_from(self): + G = self.Graph() + G.add_edges_from([(0, 1), (0, 1, {"weight": 3})]) + assert G._adj == {0: {1: {0: {}, 1: {"weight": 3}}}, 1: {}} + assert G._succ == {0: {1: {0: {}, 1: {"weight": 3}}}, 1: {}} + assert G._pred == {0: {}, 1: {0: {0: {}, 1: {"weight": 3}}}} + + G.add_edges_from([(0, 1), (0, 1, {"weight": 3})], weight=2) + assert G._succ == { + 0: {1: {0: {}, 1: {"weight": 3}, 2: {"weight": 2}, 3: {"weight": 3}}}, + 1: {}, + } + assert G._pred == { + 0: {}, + 1: {0: {0: {}, 1: {"weight": 3}, 2: {"weight": 2}, 3: {"weight": 3}}}, + } + + G = self.Graph() + edges = [ + (0, 1, {"weight": 3}), + (0, 1, (("weight", 2),)), + (0, 1, 5), + (0, 1, "s"), + ] + G.add_edges_from(edges) + keydict = {0: {"weight": 3}, 1: {"weight": 2}, 5: {}, "s": {}} + assert G._succ == {0: {1: keydict}, 1: {}} + assert G._pred == {1: {0: keydict}, 0: {}} + + # too few in tuple + pytest.raises(nx.NetworkXError, G.add_edges_from, [(0,)]) + # too many in tuple + pytest.raises(nx.NetworkXError, G.add_edges_from, [(0, 1, 2, 3, 4)]) + # not a tuple + pytest.raises(TypeError, G.add_edges_from, [0]) + with pytest.raises(ValueError, match="None cannot be a node"): + G.add_edges_from([(None, 3), (3, 2)]) + + def test_remove_edge(self): + G = self.K3 + G.remove_edge(0, 1) + assert G._succ == { + 0: {2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + assert G._pred == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + pytest.raises((KeyError, nx.NetworkXError), G.remove_edge, -1, 0) + pytest.raises((KeyError, nx.NetworkXError), G.remove_edge, 0, 2, key=1) + + def test_remove_multiedge(self): + G = self.K3 + G.add_edge(0, 1, key="parallel edge") + G.remove_edge(0, 1, key="parallel edge") + assert G._adj == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + + assert G._succ == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + + assert G._pred == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + G.remove_edge(0, 1) + assert G._succ == { + 0: {2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + assert G._pred == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + pytest.raises((KeyError, nx.NetworkXError), G.remove_edge, -1, 0) + + def test_remove_edges_from(self): + G = self.K3 + G.remove_edges_from([(0, 1)]) + assert G._succ == { + 0: {2: {0: {}}}, + 1: {0: {0: {}}, 2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + assert G._pred == { + 0: {1: {0: {}}, 2: {0: {}}}, + 1: {2: {0: {}}}, + 2: {0: {0: {}}, 1: {0: {}}}, + } + G.remove_edges_from([(0, 0)]) # silent fail + + +class TestEdgeSubgraph(_TestMultiGraphEdgeSubgraph): + """Unit tests for the :meth:`MultiDiGraph.edge_subgraph` method.""" + + def setup_method(self): + # Create a quadruply-linked path graph on five nodes. + G = nx.MultiDiGraph() + nx.add_path(G, range(5)) + nx.add_path(G, range(5)) + nx.add_path(G, reversed(range(5))) + nx.add_path(G, reversed(range(5))) + # Add some node, edge, and graph attributes. + for i in range(5): + G.nodes[i]["name"] = f"node{i}" + G.adj[0][1][0]["name"] = "edge010" + G.adj[0][1][1]["name"] = "edge011" + G.adj[3][4][0]["name"] = "edge340" + G.adj[3][4][1]["name"] = "edge341" + G.graph["name"] = "graph" + # Get the subgraph induced by one of the first edges and one of + # the last edges. + self.G = G + self.H = G.edge_subgraph([(0, 1, 0), (3, 4, 1)]) + + +class CustomDictClass(UserDict): + pass + + +class MultiDiGraphSubClass(nx.MultiDiGraph): + node_dict_factory = CustomDictClass # type: ignore[assignment] + node_attr_dict_factory = CustomDictClass # type: ignore[assignment] + adjlist_outer_dict_factory = CustomDictClass # type: ignore[assignment] + adjlist_inner_dict_factory = CustomDictClass # type: ignore[assignment] + edge_key_dict_factory = CustomDictClass # type: ignore[assignment] + edge_attr_dict_factory = CustomDictClass # type: ignore[assignment] + graph_attr_dict_factory = CustomDictClass # type: ignore[assignment] + + +class TestMultiDiGraphSubclass(TestMultiDiGraph): + def setup_method(self): + self.Graph = MultiDiGraphSubClass + # build K3 + self.k3edges = [(0, 1), (0, 2), (1, 2)] + self.k3nodes = [0, 1, 2] + self.K3 = self.Graph() + self.K3._succ = self.K3.adjlist_outer_dict_factory( + { + 0: self.K3.adjlist_inner_dict_factory(), + 1: self.K3.adjlist_inner_dict_factory(), + 2: self.K3.adjlist_inner_dict_factory(), + } + ) + # K3._adj is synced with K3._succ + self.K3._pred = {0: {}, 1: {}, 2: {}} + for u in self.k3nodes: + for v in self.k3nodes: + if u == v: + continue + d = {0: {}} + self.K3._succ[u][v] = d + self.K3._pred[v][u] = d + self.K3._node = self.K3.node_dict_factory() + self.K3._node[0] = self.K3.node_attr_dict_factory() + self.K3._node[1] = self.K3.node_attr_dict_factory() + self.K3._node[2] = self.K3.node_attr_dict_factory() diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_special.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_special.py new file mode 100644 index 0000000000000000000000000000000000000000..1fa79605b484f57ed6cbd17762b21a23406ee006 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_special.py @@ -0,0 +1,131 @@ +import networkx as nx + +from .test_digraph import BaseDiGraphTester +from .test_digraph import TestDiGraph as _TestDiGraph +from .test_graph import BaseGraphTester +from .test_graph import TestGraph as _TestGraph +from .test_multidigraph import TestMultiDiGraph as _TestMultiDiGraph +from .test_multigraph import TestMultiGraph as _TestMultiGraph + + +def test_factories(): + class mydict1(dict): + pass + + class mydict2(dict): + pass + + class mydict3(dict): + pass + + class mydict4(dict): + pass + + class mydict5(dict): + pass + + for Graph in (nx.Graph, nx.DiGraph, nx.MultiGraph, nx.MultiDiGraph): + # print("testing class: ", Graph.__name__) + class MyGraph(Graph): + node_dict_factory = mydict1 + adjlist_outer_dict_factory = mydict2 + adjlist_inner_dict_factory = mydict3 + edge_key_dict_factory = mydict4 + edge_attr_dict_factory = mydict5 + + G = MyGraph() + assert isinstance(G._node, mydict1) + assert isinstance(G._adj, mydict2) + G.add_node(1) + assert isinstance(G._adj[1], mydict3) + if G.is_directed(): + assert isinstance(G._pred, mydict2) + assert isinstance(G._succ, mydict2) + assert isinstance(G._pred[1], mydict3) + G.add_edge(1, 2) + if G.is_multigraph(): + assert isinstance(G._adj[1][2], mydict4) + assert isinstance(G._adj[1][2][0], mydict5) + else: + assert isinstance(G._adj[1][2], mydict5) + + +class TestSpecialGraph(_TestGraph): + def setup_method(self): + _TestGraph.setup_method(self) + self.Graph = nx.Graph + + +class TestThinGraph(BaseGraphTester): + def setup_method(self): + all_edge_dict = {"weight": 1} + + class MyGraph(nx.Graph): + def edge_attr_dict_factory(self): + return all_edge_dict + + self.Graph = MyGraph + # build dict-of-dict-of-dict K3 + ed1, ed2, ed3 = (all_edge_dict, all_edge_dict, all_edge_dict) + self.k3adj = {0: {1: ed1, 2: ed2}, 1: {0: ed1, 2: ed3}, 2: {0: ed2, 1: ed3}} + self.k3edges = [(0, 1), (0, 2), (1, 2)] + self.k3nodes = [0, 1, 2] + self.K3 = self.Graph() + self.K3._adj = self.k3adj + self.K3._node = {} + self.K3._node[0] = {} + self.K3._node[1] = {} + self.K3._node[2] = {} + + +class TestSpecialDiGraph(_TestDiGraph): + def setup_method(self): + _TestDiGraph.setup_method(self) + self.Graph = nx.DiGraph + + +class TestThinDiGraph(BaseDiGraphTester): + def setup_method(self): + all_edge_dict = {"weight": 1} + + class MyGraph(nx.DiGraph): + def edge_attr_dict_factory(self): + return all_edge_dict + + self.Graph = MyGraph + # build dict-of-dict-of-dict K3 + ed1, ed2, ed3 = (all_edge_dict, all_edge_dict, all_edge_dict) + ed4, ed5, ed6 = (all_edge_dict, all_edge_dict, all_edge_dict) + self.k3adj = {0: {1: ed1, 2: ed2}, 1: {0: ed3, 2: ed4}, 2: {0: ed5, 1: ed6}} + self.k3edges = [(0, 1), (0, 2), (1, 2)] + self.k3nodes = [0, 1, 2] + self.K3 = self.Graph() + self.K3._succ = self.k3adj + # K3._adj is synced with K3._succ + self.K3._pred = {0: {1: ed3, 2: ed5}, 1: {0: ed1, 2: ed6}, 2: {0: ed2, 1: ed4}} + self.K3._node = {} + self.K3._node[0] = {} + self.K3._node[1] = {} + self.K3._node[2] = {} + + ed1, ed2 = (all_edge_dict, all_edge_dict) + self.P3 = self.Graph() + self.P3._succ = {0: {1: ed1}, 1: {2: ed2}, 2: {}} + # P3._adj is synced with P3._succ + self.P3._pred = {0: {}, 1: {0: ed1}, 2: {1: ed2}} + self.P3._node = {} + self.P3._node[0] = {} + self.P3._node[1] = {} + self.P3._node[2] = {} + + +class TestSpecialMultiGraph(_TestMultiGraph): + def setup_method(self): + _TestMultiGraph.setup_method(self) + self.Graph = nx.MultiGraph + + +class TestSpecialMultiDiGraph(_TestMultiDiGraph): + def setup_method(self): + _TestMultiDiGraph.setup_method(self) + self.Graph = nx.MultiDiGraph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_subgraphviews.py b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_subgraphviews.py new file mode 100644 index 0000000000000000000000000000000000000000..73e0fdd2d52bcb7623dbd4e4f502e8bed0a4e3d3 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/classes/tests/test_subgraphviews.py @@ -0,0 +1,362 @@ +import pytest + +import networkx as nx +from networkx.utils import edges_equal + + +class TestSubGraphView: + gview = staticmethod(nx.subgraph_view) + graph = nx.Graph + hide_edges_filter = staticmethod(nx.filters.hide_edges) + show_edges_filter = staticmethod(nx.filters.show_edges) + + @classmethod + def setup_class(cls): + cls.G = nx.path_graph(9, create_using=cls.graph()) + cls.hide_edges_w_hide_nodes = {(3, 4), (4, 5), (5, 6)} + + def test_hidden_nodes(self): + hide_nodes = [4, 5, 111] + nodes_gone = nx.filters.hide_nodes(hide_nodes) + gview = self.gview + G = gview(self.G, filter_node=nodes_gone) + assert self.G.nodes - G.nodes == {4, 5} + assert self.G.edges - G.edges == self.hide_edges_w_hide_nodes + if G.is_directed(): + assert list(G[3]) == [] + assert list(G[2]) == [3] + else: + assert list(G[3]) == [2] + assert set(G[2]) == {1, 3} + pytest.raises(KeyError, G.__getitem__, 4) + pytest.raises(KeyError, G.__getitem__, 112) + pytest.raises(KeyError, G.__getitem__, 111) + assert G.degree(3) == (3 if G.is_multigraph() else 1) + assert G.size() == (7 if G.is_multigraph() else 5) + + def test_hidden_edges(self): + hide_edges = [(2, 3), (8, 7), (222, 223)] + edges_gone = self.hide_edges_filter(hide_edges) + gview = self.gview + G = gview(self.G, filter_edge=edges_gone) + assert self.G.nodes == G.nodes + if G.is_directed(): + assert self.G.edges - G.edges == {(2, 3)} + assert list(G[2]) == [] + assert list(G.pred[3]) == [] + assert list(G.pred[2]) == [1] + assert G.size() == 7 + else: + assert self.G.edges - G.edges == {(2, 3), (7, 8)} + assert list(G[2]) == [1] + assert G.size() == 6 + assert list(G[3]) == [4] + pytest.raises(KeyError, G.__getitem__, 221) + pytest.raises(KeyError, G.__getitem__, 222) + assert G.degree(3) == 1 + + def test_shown_node(self): + induced_subgraph = nx.filters.show_nodes([2, 3, 111]) + gview = self.gview + G = gview(self.G, filter_node=induced_subgraph) + assert set(G.nodes) == {2, 3} + if G.is_directed(): + assert list(G[3]) == [] + else: + assert list(G[3]) == [2] + assert list(G[2]) == [3] + pytest.raises(KeyError, G.__getitem__, 4) + pytest.raises(KeyError, G.__getitem__, 112) + pytest.raises(KeyError, G.__getitem__, 111) + assert G.degree(3) == (3 if G.is_multigraph() else 1) + assert G.size() == (3 if G.is_multigraph() else 1) + + def test_shown_edges(self): + show_edges = [(2, 3), (8, 7), (222, 223)] + edge_subgraph = self.show_edges_filter(show_edges) + G = self.gview(self.G, filter_edge=edge_subgraph) + assert self.G.nodes == G.nodes + if G.is_directed(): + assert G.edges == {(2, 3)} + assert list(G[3]) == [] + assert list(G[2]) == [3] + assert list(G.pred[3]) == [2] + assert list(G.pred[2]) == [] + assert G.size() == 1 + else: + assert G.edges == {(2, 3), (7, 8)} + assert list(G[3]) == [2] + assert list(G[2]) == [3] + assert G.size() == 2 + pytest.raises(KeyError, G.__getitem__, 221) + pytest.raises(KeyError, G.__getitem__, 222) + assert G.degree(3) == 1 + + +class TestSubDiGraphView(TestSubGraphView): + gview = staticmethod(nx.subgraph_view) + graph = nx.DiGraph + hide_edges_filter = staticmethod(nx.filters.hide_diedges) + show_edges_filter = staticmethod(nx.filters.show_diedges) + hide_edges = [(2, 3), (8, 7), (222, 223)] + excluded = {(2, 3), (3, 4), (4, 5), (5, 6)} + + def test_inoutedges(self): + edges_gone = self.hide_edges_filter(self.hide_edges) + hide_nodes = [4, 5, 111] + nodes_gone = nx.filters.hide_nodes(hide_nodes) + G = self.gview(self.G, filter_node=nodes_gone, filter_edge=edges_gone) + + assert self.G.in_edges - G.in_edges == self.excluded + assert self.G.out_edges - G.out_edges == self.excluded + + def test_pred(self): + edges_gone = self.hide_edges_filter(self.hide_edges) + hide_nodes = [4, 5, 111] + nodes_gone = nx.filters.hide_nodes(hide_nodes) + G = self.gview(self.G, filter_node=nodes_gone, filter_edge=edges_gone) + + assert list(G.pred[2]) == [1] + assert list(G.pred[6]) == [] + + def test_inout_degree(self): + edges_gone = self.hide_edges_filter(self.hide_edges) + hide_nodes = [4, 5, 111] + nodes_gone = nx.filters.hide_nodes(hide_nodes) + G = self.gview(self.G, filter_node=nodes_gone, filter_edge=edges_gone) + + assert G.degree(2) == 1 + assert G.out_degree(2) == 0 + assert G.in_degree(2) == 1 + assert G.size() == 4 + + +# multigraph +class TestMultiGraphView(TestSubGraphView): + gview = staticmethod(nx.subgraph_view) + graph = nx.MultiGraph + hide_edges_filter = staticmethod(nx.filters.hide_multiedges) + show_edges_filter = staticmethod(nx.filters.show_multiedges) + + @classmethod + def setup_class(cls): + cls.G = nx.path_graph(9, create_using=cls.graph()) + multiedges = {(2, 3, 4), (2, 3, 5)} + cls.G.add_edges_from(multiedges) + cls.hide_edges_w_hide_nodes = {(3, 4, 0), (4, 5, 0), (5, 6, 0)} + + def test_hidden_edges(self): + hide_edges = [(2, 3, 4), (2, 3, 3), (8, 7, 0), (222, 223, 0)] + edges_gone = self.hide_edges_filter(hide_edges) + G = self.gview(self.G, filter_edge=edges_gone) + assert self.G.nodes == G.nodes + if G.is_directed(): + assert self.G.edges - G.edges == {(2, 3, 4)} + assert list(G[3]) == [4] + assert list(G[2]) == [3] + assert list(G.pred[3]) == [2] # only one 2 but two edges + assert list(G.pred[2]) == [1] + assert G.size() == 9 + else: + assert self.G.edges - G.edges == {(2, 3, 4), (7, 8, 0)} + assert list(G[3]) == [2, 4] + assert list(G[2]) == [1, 3] + assert G.size() == 8 + assert G.degree(3) == 3 + pytest.raises(KeyError, G.__getitem__, 221) + pytest.raises(KeyError, G.__getitem__, 222) + + def test_shown_edges(self): + show_edges = [(2, 3, 4), (2, 3, 3), (8, 7, 0), (222, 223, 0)] + edge_subgraph = self.show_edges_filter(show_edges) + G = self.gview(self.G, filter_edge=edge_subgraph) + assert self.G.nodes == G.nodes + if G.is_directed(): + assert G.edges == {(2, 3, 4)} + assert list(G[3]) == [] + assert list(G.pred[3]) == [2] + assert list(G.pred[2]) == [] + assert G.size() == 1 + else: + assert G.edges == {(2, 3, 4), (7, 8, 0)} + assert G.size() == 2 + assert list(G[3]) == [2] + assert G.degree(3) == 1 + assert list(G[2]) == [3] + pytest.raises(KeyError, G.__getitem__, 221) + pytest.raises(KeyError, G.__getitem__, 222) + + +# multidigraph +class TestMultiDiGraphView(TestMultiGraphView, TestSubDiGraphView): + gview = staticmethod(nx.subgraph_view) + graph = nx.MultiDiGraph + hide_edges_filter = staticmethod(nx.filters.hide_multidiedges) + show_edges_filter = staticmethod(nx.filters.show_multidiedges) + hide_edges = [(2, 3, 0), (8, 7, 0), (222, 223, 0)] + excluded = {(2, 3, 0), (3, 4, 0), (4, 5, 0), (5, 6, 0)} + + def test_inout_degree(self): + edges_gone = self.hide_edges_filter(self.hide_edges) + hide_nodes = [4, 5, 111] + nodes_gone = nx.filters.hide_nodes(hide_nodes) + G = self.gview(self.G, filter_node=nodes_gone, filter_edge=edges_gone) + + assert G.degree(2) == 3 + assert G.out_degree(2) == 2 + assert G.in_degree(2) == 1 + assert G.size() == 6 + + +# induced_subgraph +class TestInducedSubGraph: + @classmethod + def setup_class(cls): + cls.K3 = G = nx.complete_graph(3) + G.graph["foo"] = [] + G.nodes[0]["foo"] = [] + G.remove_edge(1, 2) + ll = [] + G.add_edge(1, 2, foo=ll) + G.add_edge(2, 1, foo=ll) + + def test_full_graph(self): + G = self.K3 + H = nx.induced_subgraph(G, [0, 1, 2, 5]) + assert H.name == G.name + self.graphs_equal(H, G) + self.same_attrdict(H, G) + + def test_partial_subgraph(self): + G = self.K3 + H = nx.induced_subgraph(G, 0) + assert dict(H.adj) == {0: {}} + assert dict(G.adj) != {0: {}} + + H = nx.induced_subgraph(G, [0, 1]) + assert dict(H.adj) == {0: {1: {}}, 1: {0: {}}} + + def same_attrdict(self, H, G): + old_foo = H[1][2]["foo"] + H.edges[1, 2]["foo"] = "baz" + assert G.edges == H.edges + H.edges[1, 2]["foo"] = old_foo + assert G.edges == H.edges + old_foo = H.nodes[0]["foo"] + H.nodes[0]["foo"] = "baz" + assert G.nodes == H.nodes + H.nodes[0]["foo"] = old_foo + assert G.nodes == H.nodes + + def graphs_equal(self, H, G): + assert G._adj == H._adj + assert G._node == H._node + assert G.graph == H.graph + assert G.name == H.name + if not G.is_directed() and not H.is_directed(): + assert H._adj[1][2] is H._adj[2][1] + assert G._adj[1][2] is G._adj[2][1] + else: # at least one is directed + if not G.is_directed(): + G._pred = G._adj + G._succ = G._adj + if not H.is_directed(): + H._pred = H._adj + H._succ = H._adj + assert G._pred == H._pred + assert G._succ == H._succ + assert H._succ[1][2] is H._pred[2][1] + assert G._succ[1][2] is G._pred[2][1] + + +# edge_subgraph +class TestEdgeSubGraph: + @classmethod + def setup_class(cls): + # Create a path graph on five nodes. + cls.G = G = nx.path_graph(5) + # Add some node, edge, and graph attributes. + for i in range(5): + G.nodes[i]["name"] = f"node{i}" + G.edges[0, 1]["name"] = "edge01" + G.edges[3, 4]["name"] = "edge34" + G.graph["name"] = "graph" + # Get the subgraph induced by the first and last edges. + cls.H = nx.edge_subgraph(G, [(0, 1), (3, 4)]) + + def test_correct_nodes(self): + """Tests that the subgraph has the correct nodes.""" + assert [(0, "node0"), (1, "node1"), (3, "node3"), (4, "node4")] == sorted( + self.H.nodes.data("name") + ) + + def test_correct_edges(self): + """Tests that the subgraph has the correct edges.""" + assert edges_equal( + [(0, 1, "edge01"), (3, 4, "edge34")], self.H.edges.data("name") + ) + + def test_add_node(self): + """Tests that adding a node to the original graph does not + affect the nodes of the subgraph. + + """ + self.G.add_node(5) + assert [0, 1, 3, 4] == sorted(self.H.nodes) + self.G.remove_node(5) + + def test_remove_node(self): + """Tests that removing a node in the original graph + removes the nodes of the subgraph. + + """ + self.G.remove_node(0) + assert [1, 3, 4] == sorted(self.H.nodes) + self.G.add_node(0, name="node0") + self.G.add_edge(0, 1, name="edge01") + + def test_node_attr_dict(self): + """Tests that the node attribute dictionary of the two graphs is + the same object. + + """ + for v in self.H: + assert self.G.nodes[v] == self.H.nodes[v] + # Making a change to G should make a change in H and vice versa. + self.G.nodes[0]["name"] = "foo" + assert self.G.nodes[0] == self.H.nodes[0] + self.H.nodes[1]["name"] = "bar" + assert self.G.nodes[1] == self.H.nodes[1] + # Revert the change, so tests pass with pytest-randomly + self.G.nodes[0]["name"] = "node0" + self.H.nodes[1]["name"] = "node1" + + def test_edge_attr_dict(self): + """Tests that the edge attribute dictionary of the two graphs is + the same object. + + """ + for u, v in self.H.edges(): + assert self.G.edges[u, v] == self.H.edges[u, v] + # Making a change to G should make a change in H and vice versa. + self.G.edges[0, 1]["name"] = "foo" + assert self.G.edges[0, 1]["name"] == self.H.edges[0, 1]["name"] + self.H.edges[3, 4]["name"] = "bar" + assert self.G.edges[3, 4]["name"] == self.H.edges[3, 4]["name"] + # Revert the change, so tests pass with pytest-randomly + self.G.edges[0, 1]["name"] = "edge01" + self.H.edges[3, 4]["name"] = "edge34" + + def test_graph_attr_dict(self): + """Tests that the graph attribute dictionary of the two graphs + is the same object. + + """ + assert self.G.graph is self.H.graph + + def test_readonly(self): + """Tests that the subgraph cannot change the graph structure""" + pytest.raises(nx.NetworkXError, self.H.add_node, 5) + pytest.raises(nx.NetworkXError, self.H.remove_node, 0) + pytest.raises(nx.NetworkXError, self.H.add_edge, 5, 6) + pytest.raises(nx.NetworkXError, self.H.remove_edge, 0, 1) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/__init__.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..f65509824a10732435057c0fdb3ed0d90636b63c --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/__init__.py @@ -0,0 +1,18 @@ +""" +A package for reading and writing graphs in various formats. + +""" + + +from networkx.readwrite.adjlist import * +from networkx.readwrite.multiline_adjlist import * +from networkx.readwrite.edgelist import * +from networkx.readwrite.pajek import * +from networkx.readwrite.leda import * +from networkx.readwrite.sparse6 import * +from networkx.readwrite.graph6 import * +from networkx.readwrite.gml import * +from networkx.readwrite.graphml import * +from networkx.readwrite.gexf import * +from networkx.readwrite.json_graph import * +from networkx.readwrite.text import * diff --git 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b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/gexf.py new file mode 100644 index 0000000000000000000000000000000000000000..16b864377bddc8e249dfbbfd3cce2442f09fe7f2 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/gexf.py @@ -0,0 +1,1065 @@ +"""Read and write graphs in GEXF format. + +.. warning:: + This parser uses the standard xml library present in Python, which is + insecure - see :external+python:mod:`xml` for additional information. + Only parse GEFX files you trust. + +GEXF (Graph Exchange XML Format) is a language for describing complex +network structures, their associated data and dynamics. + +This implementation does not support mixed graphs (directed and +undirected edges together). + +Format +------ +GEXF is an XML format. See http://gexf.net/schema.html for the +specification and http://gexf.net/basic.html for examples. +""" +import itertools +import time +from xml.etree.ElementTree import ( + Element, + ElementTree, + SubElement, + register_namespace, + tostring, +) + +import networkx as nx +from networkx.utils import open_file + +__all__ = ["write_gexf", "read_gexf", "relabel_gexf_graph", "generate_gexf"] + + +@open_file(1, mode="wb") +def write_gexf(G, path, encoding="utf-8", prettyprint=True, version="1.2draft"): + """Write G in GEXF format to path. + + "GEXF (Graph Exchange XML Format) is a language for describing + complex networks structures, their associated data and dynamics" [1]_. + + Node attributes are checked according to the version of the GEXF + schemas used for parameters which are not user defined, + e.g. visualization 'viz' [2]_. See example for usage. + + Parameters + ---------- + G : graph + A NetworkX graph + path : file or string + File or file name to write. + File names ending in .gz or .bz2 will be compressed. + encoding : string (optional, default: 'utf-8') + Encoding for text data. + prettyprint : bool (optional, default: True) + If True use line breaks and indenting in output XML. + version: string (optional, default: '1.2draft') + The version of GEXF to be used for nodes attributes checking + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_gexf(G, "test.gexf") + + # visualization data + >>> G.nodes[0]["viz"] = {"size": 54} + >>> G.nodes[0]["viz"]["position"] = {"x": 0, "y": 1} + >>> G.nodes[0]["viz"]["color"] = {"r": 0, "g": 0, "b": 256} + + + Notes + ----- + This implementation does not support mixed graphs (directed and undirected + edges together). + + The node id attribute is set to be the string of the node label. + If you want to specify an id use set it as node data, e.g. + node['a']['id']=1 to set the id of node 'a' to 1. + + References + ---------- + .. [1] GEXF File Format, http://gexf.net/ + .. [2] GEXF schema, http://gexf.net/schema.html + """ + writer = GEXFWriter(encoding=encoding, prettyprint=prettyprint, version=version) + writer.add_graph(G) + writer.write(path) + + +def generate_gexf(G, encoding="utf-8", prettyprint=True, version="1.2draft"): + """Generate lines of GEXF format representation of G. + + "GEXF (Graph Exchange XML Format) is a language for describing + complex networks structures, their associated data and dynamics" [1]_. + + Parameters + ---------- + G : graph + A NetworkX graph + encoding : string (optional, default: 'utf-8') + Encoding for text data. + prettyprint : bool (optional, default: True) + If True use line breaks and indenting in output XML. + version : string (default: 1.2draft) + Version of GEFX File Format (see http://gexf.net/schema.html) + Supported values: "1.1draft", "1.2draft" + + + Examples + -------- + >>> G = nx.path_graph(4) + >>> linefeed = chr(10) # linefeed=\n + >>> s = linefeed.join(nx.generate_gexf(G)) + >>> for line in nx.generate_gexf(G): # doctest: +SKIP + ... print(line) + + Notes + ----- + This implementation does not support mixed graphs (directed and undirected + edges together). + + The node id attribute is set to be the string of the node label. + If you want to specify an id use set it as node data, e.g. + node['a']['id']=1 to set the id of node 'a' to 1. + + References + ---------- + .. [1] GEXF File Format, https://gephi.org/gexf/format/ + """ + writer = GEXFWriter(encoding=encoding, prettyprint=prettyprint, version=version) + writer.add_graph(G) + yield from str(writer).splitlines() + + +@open_file(0, mode="rb") +@nx._dispatchable(graphs=None, returns_graph=True) +def read_gexf(path, node_type=None, relabel=False, version="1.2draft"): + """Read graph in GEXF format from path. + + "GEXF (Graph Exchange XML Format) is a language for describing + complex networks structures, their associated data and dynamics" [1]_. + + Parameters + ---------- + path : file or string + File or file name to read. + File names ending in .gz or .bz2 will be decompressed. + node_type: Python type (default: None) + Convert node ids to this type if not None. + relabel : bool (default: False) + If True relabel the nodes to use the GEXF node "label" attribute + instead of the node "id" attribute as the NetworkX node label. + version : string (default: 1.2draft) + Version of GEFX File Format (see http://gexf.net/schema.html) + Supported values: "1.1draft", "1.2draft" + + Returns + ------- + graph: NetworkX graph + If no parallel edges are found a Graph or DiGraph is returned. + Otherwise a MultiGraph or MultiDiGraph is returned. + + Notes + ----- + This implementation does not support mixed graphs (directed and undirected + edges together). + + References + ---------- + .. [1] GEXF File Format, http://gexf.net/ + """ + reader = GEXFReader(node_type=node_type, version=version) + if relabel: + G = relabel_gexf_graph(reader(path)) + else: + G = reader(path) + return G + + +class GEXF: + versions = { + "1.1draft": { + "NS_GEXF": "http://www.gexf.net/1.1draft", + "NS_VIZ": "http://www.gexf.net/1.1draft/viz", + "NS_XSI": "http://www.w3.org/2001/XMLSchema-instance", + "SCHEMALOCATION": " ".join( + [ + "http://www.gexf.net/1.1draft", + "http://www.gexf.net/1.1draft/gexf.xsd", + ] + ), + "VERSION": "1.1", + }, + "1.2draft": { + "NS_GEXF": "http://www.gexf.net/1.2draft", + "NS_VIZ": "http://www.gexf.net/1.2draft/viz", + "NS_XSI": "http://www.w3.org/2001/XMLSchema-instance", + "SCHEMALOCATION": " ".join( + [ + "http://www.gexf.net/1.2draft", + "http://www.gexf.net/1.2draft/gexf.xsd", + ] + ), + "VERSION": "1.2", + }, + } + + def construct_types(self): + types = [ + (int, "integer"), + (float, "float"), + (float, "double"), + (bool, "boolean"), + (list, "string"), + (dict, "string"), + (int, "long"), + (str, "liststring"), + (str, "anyURI"), + (str, "string"), + ] + + # These additions to types allow writing numpy types + try: + import numpy as np + except ImportError: + pass + else: + # prepend so that python types are created upon read (last entry wins) + types = [ + (np.float64, "float"), + (np.float32, "float"), + (np.float16, "float"), + (np.int_, "int"), + (np.int8, "int"), + (np.int16, "int"), + (np.int32, "int"), + (np.int64, "int"), + (np.uint8, "int"), + (np.uint16, "int"), + (np.uint32, "int"), + (np.uint64, "int"), + (np.int_, "int"), + (np.intc, "int"), + (np.intp, "int"), + ] + types + + self.xml_type = dict(types) + self.python_type = dict(reversed(a) for a in types) + + # http://www.w3.org/TR/xmlschema-2/#boolean + convert_bool = { + "true": True, + "false": False, + "True": True, + "False": False, + "0": False, + 0: False, + "1": True, + 1: True, + } + + def set_version(self, version): + d = self.versions.get(version) + if d is None: + raise nx.NetworkXError(f"Unknown GEXF version {version}.") + self.NS_GEXF = d["NS_GEXF"] + self.NS_VIZ = d["NS_VIZ"] + self.NS_XSI = d["NS_XSI"] + self.SCHEMALOCATION = d["SCHEMALOCATION"] + self.VERSION = d["VERSION"] + self.version = version + + +class GEXFWriter(GEXF): + # class for writing GEXF format files + # use write_gexf() function + def __init__( + self, graph=None, encoding="utf-8", prettyprint=True, version="1.2draft" + ): + self.construct_types() + self.prettyprint = prettyprint + self.encoding = encoding + self.set_version(version) + self.xml = Element( + "gexf", + { + "xmlns": self.NS_GEXF, + "xmlns:xsi": self.NS_XSI, + "xsi:schemaLocation": self.SCHEMALOCATION, + "version": self.VERSION, + }, + ) + + # Make meta element a non-graph element + # Also add lastmodifieddate as attribute, not tag + meta_element = Element("meta") + subelement_text = f"NetworkX {nx.__version__}" + SubElement(meta_element, "creator").text = subelement_text + meta_element.set("lastmodifieddate", time.strftime("%Y-%m-%d")) + self.xml.append(meta_element) + + register_namespace("viz", self.NS_VIZ) + + # counters for edge and attribute identifiers + self.edge_id = itertools.count() + self.attr_id = itertools.count() + self.all_edge_ids = set() + # default attributes are stored in dictionaries + self.attr = {} + self.attr["node"] = {} + self.attr["edge"] = {} + self.attr["node"]["dynamic"] = {} + self.attr["node"]["static"] = {} + self.attr["edge"]["dynamic"] = {} + self.attr["edge"]["static"] = {} + + if graph is not None: + self.add_graph(graph) + + def __str__(self): + if self.prettyprint: + self.indent(self.xml) + s = tostring(self.xml).decode(self.encoding) + return s + + def add_graph(self, G): + # first pass through G collecting edge ids + for u, v, dd in G.edges(data=True): + eid = dd.get("id") + if eid is not None: + self.all_edge_ids.add(str(eid)) + # set graph attributes + if G.graph.get("mode") == "dynamic": + mode = "dynamic" + else: + mode = "static" + # Add a graph element to the XML + if G.is_directed(): + default = "directed" + else: + default = "undirected" + name = G.graph.get("name", "") + graph_element = Element("graph", defaultedgetype=default, mode=mode, name=name) + self.graph_element = graph_element + self.add_nodes(G, graph_element) + self.add_edges(G, graph_element) + self.xml.append(graph_element) + + def add_nodes(self, G, graph_element): + nodes_element = Element("nodes") + for node, data in G.nodes(data=True): + node_data = data.copy() + node_id = str(node_data.pop("id", node)) + kw = {"id": node_id} + label = str(node_data.pop("label", node)) + kw["label"] = label + try: + pid = node_data.pop("pid") + kw["pid"] = str(pid) + except KeyError: + pass + try: + start = node_data.pop("start") + kw["start"] = str(start) + self.alter_graph_mode_timeformat(start) + except KeyError: + pass + try: + end = node_data.pop("end") + kw["end"] = str(end) + self.alter_graph_mode_timeformat(end) + except KeyError: + pass + # add node element with attributes + node_element = Element("node", **kw) + # add node element and attr subelements + default = G.graph.get("node_default", {}) + node_data = self.add_parents(node_element, node_data) + if self.VERSION == "1.1": + node_data = self.add_slices(node_element, node_data) + else: + node_data = self.add_spells(node_element, node_data) + node_data = self.add_viz(node_element, node_data) + node_data = self.add_attributes("node", node_element, node_data, default) + nodes_element.append(node_element) + graph_element.append(nodes_element) + + def add_edges(self, G, graph_element): + def edge_key_data(G): + # helper function to unify multigraph and graph edge iterator + if G.is_multigraph(): + for u, v, key, data in G.edges(data=True, keys=True): + edge_data = data.copy() + edge_data.update(key=key) + edge_id = edge_data.pop("id", None) + if edge_id is None: + edge_id = next(self.edge_id) + while str(edge_id) in self.all_edge_ids: + edge_id = next(self.edge_id) + self.all_edge_ids.add(str(edge_id)) + yield u, v, edge_id, edge_data + else: + for u, v, data in G.edges(data=True): + edge_data = data.copy() + edge_id = edge_data.pop("id", None) + if edge_id is None: + edge_id = next(self.edge_id) + while str(edge_id) in self.all_edge_ids: + edge_id = next(self.edge_id) + self.all_edge_ids.add(str(edge_id)) + yield u, v, edge_id, edge_data + + edges_element = Element("edges") + for u, v, key, edge_data in edge_key_data(G): + kw = {"id": str(key)} + try: + edge_label = edge_data.pop("label") + kw["label"] = str(edge_label) + except KeyError: + pass + try: + edge_weight = edge_data.pop("weight") + kw["weight"] = str(edge_weight) + except KeyError: + pass + try: + edge_type = edge_data.pop("type") + kw["type"] = str(edge_type) + except KeyError: + pass + try: + start = edge_data.pop("start") + kw["start"] = str(start) + self.alter_graph_mode_timeformat(start) + except KeyError: + pass + try: + end = edge_data.pop("end") + kw["end"] = str(end) + self.alter_graph_mode_timeformat(end) + except KeyError: + pass + source_id = str(G.nodes[u].get("id", u)) + target_id = str(G.nodes[v].get("id", v)) + edge_element = Element("edge", source=source_id, target=target_id, **kw) + default = G.graph.get("edge_default", {}) + if self.VERSION == "1.1": + edge_data = self.add_slices(edge_element, edge_data) + else: + edge_data = self.add_spells(edge_element, edge_data) + edge_data = self.add_viz(edge_element, edge_data) + edge_data = self.add_attributes("edge", edge_element, edge_data, default) + edges_element.append(edge_element) + graph_element.append(edges_element) + + def add_attributes(self, node_or_edge, xml_obj, data, default): + # Add attrvalues to node or edge + attvalues = Element("attvalues") + if len(data) == 0: + return data + mode = "static" + for k, v in data.items(): + # rename generic multigraph key to avoid any name conflict + if k == "key": + k = "networkx_key" + val_type = type(v) + if val_type not in self.xml_type: + raise TypeError(f"attribute value type is not allowed: {val_type}") + if isinstance(v, list): + # dynamic data + for val, start, end in v: + val_type = type(val) + if start is not None or end is not None: + mode = "dynamic" + self.alter_graph_mode_timeformat(start) + self.alter_graph_mode_timeformat(end) + break + attr_id = self.get_attr_id( + str(k), self.xml_type[val_type], node_or_edge, default, mode + ) + for val, start, end in v: + e = Element("attvalue") + e.attrib["for"] = attr_id + e.attrib["value"] = str(val) + # Handle nan, inf, -inf differently + if val_type == float: + if e.attrib["value"] == "inf": + e.attrib["value"] = "INF" + elif e.attrib["value"] == "nan": + e.attrib["value"] = "NaN" + elif e.attrib["value"] == "-inf": + e.attrib["value"] = "-INF" + if start is not None: + e.attrib["start"] = str(start) + if end is not None: + e.attrib["end"] = str(end) + attvalues.append(e) + else: + # static data + mode = "static" + attr_id = self.get_attr_id( + str(k), self.xml_type[val_type], node_or_edge, default, mode + ) + e = Element("attvalue") + e.attrib["for"] = attr_id + if isinstance(v, bool): + e.attrib["value"] = str(v).lower() + else: + e.attrib["value"] = str(v) + # Handle float nan, inf, -inf differently + if val_type == float: + if e.attrib["value"] == "inf": + e.attrib["value"] = "INF" + elif e.attrib["value"] == "nan": + e.attrib["value"] = "NaN" + elif e.attrib["value"] == "-inf": + e.attrib["value"] = "-INF" + attvalues.append(e) + xml_obj.append(attvalues) + return data + + def get_attr_id(self, title, attr_type, edge_or_node, default, mode): + # find the id of the attribute or generate a new id + try: + return self.attr[edge_or_node][mode][title] + except KeyError: + # generate new id + new_id = str(next(self.attr_id)) + self.attr[edge_or_node][mode][title] = new_id + attr_kwargs = {"id": new_id, "title": title, "type": attr_type} + attribute = Element("attribute", **attr_kwargs) + # add subelement for data default value if present + default_title = default.get(title) + if default_title is not None: + default_element = Element("default") + default_element.text = str(default_title) + attribute.append(default_element) + # new insert it into the XML + attributes_element = None + for a in self.graph_element.findall("attributes"): + # find existing attributes element by class and mode + a_class = a.get("class") + a_mode = a.get("mode", "static") + if a_class == edge_or_node and a_mode == mode: + attributes_element = a + if attributes_element is None: + # create new attributes element + attr_kwargs = {"mode": mode, "class": edge_or_node} + attributes_element = Element("attributes", **attr_kwargs) + self.graph_element.insert(0, attributes_element) + attributes_element.append(attribute) + return new_id + + def add_viz(self, element, node_data): + viz = node_data.pop("viz", False) + if viz: + color = viz.get("color") + if color is not None: + if self.VERSION == "1.1": + e = Element( + f"{{{self.NS_VIZ}}}color", + r=str(color.get("r")), + g=str(color.get("g")), + b=str(color.get("b")), + ) + else: + e = Element( + f"{{{self.NS_VIZ}}}color", + r=str(color.get("r")), + g=str(color.get("g")), + b=str(color.get("b")), + a=str(color.get("a", 1.0)), + ) + element.append(e) + + size = viz.get("size") + if size is not None: + e = Element(f"{{{self.NS_VIZ}}}size", value=str(size)) + element.append(e) + + thickness = viz.get("thickness") + if thickness is not None: + e = Element(f"{{{self.NS_VIZ}}}thickness", value=str(thickness)) + element.append(e) + + shape = viz.get("shape") + if shape is not None: + if shape.startswith("http"): + e = Element( + f"{{{self.NS_VIZ}}}shape", value="image", uri=str(shape) + ) + else: + e = Element(f"{{{self.NS_VIZ}}}shape", value=str(shape)) + element.append(e) + + position = viz.get("position") + if position is not None: + e = Element( + f"{{{self.NS_VIZ}}}position", + x=str(position.get("x")), + y=str(position.get("y")), + z=str(position.get("z")), + ) + element.append(e) + return node_data + + def add_parents(self, node_element, node_data): + parents = node_data.pop("parents", False) + if parents: + parents_element = Element("parents") + for p in parents: + e = Element("parent") + e.attrib["for"] = str(p) + parents_element.append(e) + node_element.append(parents_element) + return node_data + + def add_slices(self, node_or_edge_element, node_or_edge_data): + slices = node_or_edge_data.pop("slices", False) + if slices: + slices_element = Element("slices") + for start, end in slices: + e = Element("slice", start=str(start), end=str(end)) + slices_element.append(e) + node_or_edge_element.append(slices_element) + return node_or_edge_data + + def add_spells(self, node_or_edge_element, node_or_edge_data): + spells = node_or_edge_data.pop("spells", False) + if spells: + spells_element = Element("spells") + for start, end in spells: + e = Element("spell") + if start is not None: + e.attrib["start"] = str(start) + self.alter_graph_mode_timeformat(start) + if end is not None: + e.attrib["end"] = str(end) + self.alter_graph_mode_timeformat(end) + spells_element.append(e) + node_or_edge_element.append(spells_element) + return node_or_edge_data + + def alter_graph_mode_timeformat(self, start_or_end): + # If 'start' or 'end' appears, alter Graph mode to dynamic and + # set timeformat + if self.graph_element.get("mode") == "static": + if start_or_end is not None: + if isinstance(start_or_end, str): + timeformat = "date" + elif isinstance(start_or_end, float): + timeformat = "double" + elif isinstance(start_or_end, int): + timeformat = "long" + else: + raise nx.NetworkXError( + "timeformat should be of the type int, float or str" + ) + self.graph_element.set("timeformat", timeformat) + self.graph_element.set("mode", "dynamic") + + def write(self, fh): + # Serialize graph G in GEXF to the open fh + if self.prettyprint: + self.indent(self.xml) + document = ElementTree(self.xml) + document.write(fh, encoding=self.encoding, xml_declaration=True) + + def indent(self, elem, level=0): + # in-place prettyprint formatter + i = "\n" + " " * level + if len(elem): + if not elem.text or not elem.text.strip(): + elem.text = i + " " + if not elem.tail or not elem.tail.strip(): + elem.tail = i + for elem in elem: + self.indent(elem, level + 1) + if not elem.tail or not elem.tail.strip(): + elem.tail = i + else: + if level and (not elem.tail or not elem.tail.strip()): + elem.tail = i + + +class GEXFReader(GEXF): + # Class to read GEXF format files + # use read_gexf() function + def __init__(self, node_type=None, version="1.2draft"): + self.construct_types() + self.node_type = node_type + # assume simple graph and test for multigraph on read + self.simple_graph = True + self.set_version(version) + + def __call__(self, stream): + self.xml = ElementTree(file=stream) + g = self.xml.find(f"{{{self.NS_GEXF}}}graph") + if g is not None: + return self.make_graph(g) + # try all the versions + for version in self.versions: + self.set_version(version) + g = self.xml.find(f"{{{self.NS_GEXF}}}graph") + if g is not None: + return self.make_graph(g) + raise nx.NetworkXError("No element in GEXF file.") + + def make_graph(self, graph_xml): + # start with empty DiGraph or MultiDiGraph + edgedefault = graph_xml.get("defaultedgetype", None) + if edgedefault == "directed": + G = nx.MultiDiGraph() + else: + G = nx.MultiGraph() + + # graph attributes + graph_name = graph_xml.get("name", "") + if graph_name != "": + G.graph["name"] = graph_name + graph_start = graph_xml.get("start") + if graph_start is not None: + G.graph["start"] = graph_start + graph_end = graph_xml.get("end") + if graph_end is not None: + G.graph["end"] = graph_end + graph_mode = graph_xml.get("mode", "") + if graph_mode == "dynamic": + G.graph["mode"] = "dynamic" + else: + G.graph["mode"] = "static" + + # timeformat + self.timeformat = graph_xml.get("timeformat") + if self.timeformat == "date": + self.timeformat = "string" + + # node and edge attributes + attributes_elements = graph_xml.findall(f"{{{self.NS_GEXF}}}attributes") + # dictionaries to hold attributes and attribute defaults + node_attr = {} + node_default = {} + edge_attr = {} + edge_default = {} + for a in attributes_elements: + attr_class = a.get("class") + if attr_class == "node": + na, nd = self.find_gexf_attributes(a) + node_attr.update(na) + node_default.update(nd) + G.graph["node_default"] = node_default + elif attr_class == "edge": + ea, ed = self.find_gexf_attributes(a) + edge_attr.update(ea) + edge_default.update(ed) + G.graph["edge_default"] = edge_default + else: + raise # unknown attribute class + + # Hack to handle Gephi0.7beta bug + # add weight attribute + ea = {"weight": {"type": "double", "mode": "static", "title": "weight"}} + ed = {} + edge_attr.update(ea) + edge_default.update(ed) + G.graph["edge_default"] = edge_default + + # add nodes + nodes_element = graph_xml.find(f"{{{self.NS_GEXF}}}nodes") + if nodes_element is not None: + for node_xml in nodes_element.findall(f"{{{self.NS_GEXF}}}node"): + self.add_node(G, node_xml, node_attr) + + # add edges + edges_element = graph_xml.find(f"{{{self.NS_GEXF}}}edges") + if edges_element is not None: + for edge_xml in edges_element.findall(f"{{{self.NS_GEXF}}}edge"): + self.add_edge(G, edge_xml, edge_attr) + + # switch to Graph or DiGraph if no parallel edges were found. + if self.simple_graph: + if G.is_directed(): + G = nx.DiGraph(G) + else: + G = nx.Graph(G) + return G + + def add_node(self, G, node_xml, node_attr, node_pid=None): + # add a single node with attributes to the graph + + # get attributes and subattributues for node + data = self.decode_attr_elements(node_attr, node_xml) + data = self.add_parents(data, node_xml) # add any parents + if self.VERSION == "1.1": + data = self.add_slices(data, node_xml) # add slices + else: + data = self.add_spells(data, node_xml) # add spells + data = self.add_viz(data, node_xml) # add viz + data = self.add_start_end(data, node_xml) # add start/end + + # find the node id and cast it to the appropriate type + node_id = node_xml.get("id") + if self.node_type is not None: + node_id = self.node_type(node_id) + + # every node should have a label + node_label = node_xml.get("label") + data["label"] = node_label + + # parent node id + node_pid = node_xml.get("pid", node_pid) + if node_pid is not None: + data["pid"] = node_pid + + # check for subnodes, recursive + subnodes = node_xml.find(f"{{{self.NS_GEXF}}}nodes") + if subnodes is not None: + for node_xml in subnodes.findall(f"{{{self.NS_GEXF}}}node"): + self.add_node(G, node_xml, node_attr, node_pid=node_id) + + G.add_node(node_id, **data) + + def add_start_end(self, data, xml): + # start and end times + ttype = self.timeformat + node_start = xml.get("start") + if node_start is not None: + data["start"] = self.python_type[ttype](node_start) + node_end = xml.get("end") + if node_end is not None: + data["end"] = self.python_type[ttype](node_end) + return data + + def add_viz(self, data, node_xml): + # add viz element for node + viz = {} + color = node_xml.find(f"{{{self.NS_VIZ}}}color") + if color is not None: + if self.VERSION == "1.1": + viz["color"] = { + "r": int(color.get("r")), + "g": int(color.get("g")), + "b": int(color.get("b")), + } + else: + viz["color"] = { + "r": int(color.get("r")), + "g": int(color.get("g")), + "b": int(color.get("b")), + "a": float(color.get("a", 1)), + } + + size = node_xml.find(f"{{{self.NS_VIZ}}}size") + if size is not None: + viz["size"] = float(size.get("value")) + + thickness = node_xml.find(f"{{{self.NS_VIZ}}}thickness") + if thickness is not None: + viz["thickness"] = float(thickness.get("value")) + + shape = node_xml.find(f"{{{self.NS_VIZ}}}shape") + if shape is not None: + viz["shape"] = shape.get("shape") + if viz["shape"] == "image": + viz["shape"] = shape.get("uri") + + position = node_xml.find(f"{{{self.NS_VIZ}}}position") + if position is not None: + viz["position"] = { + "x": float(position.get("x", 0)), + "y": float(position.get("y", 0)), + "z": float(position.get("z", 0)), + } + + if len(viz) > 0: + data["viz"] = viz + return data + + def add_parents(self, data, node_xml): + parents_element = node_xml.find(f"{{{self.NS_GEXF}}}parents") + if parents_element is not None: + data["parents"] = [] + for p in parents_element.findall(f"{{{self.NS_GEXF}}}parent"): + parent = p.get("for") + data["parents"].append(parent) + return data + + def add_slices(self, data, node_or_edge_xml): + slices_element = node_or_edge_xml.find(f"{{{self.NS_GEXF}}}slices") + if slices_element is not None: + data["slices"] = [] + for s in slices_element.findall(f"{{{self.NS_GEXF}}}slice"): + start = s.get("start") + end = s.get("end") + data["slices"].append((start, end)) + return data + + def add_spells(self, data, node_or_edge_xml): + spells_element = node_or_edge_xml.find(f"{{{self.NS_GEXF}}}spells") + if spells_element is not None: + data["spells"] = [] + ttype = self.timeformat + for s in spells_element.findall(f"{{{self.NS_GEXF}}}spell"): + start = self.python_type[ttype](s.get("start")) + end = self.python_type[ttype](s.get("end")) + data["spells"].append((start, end)) + return data + + def add_edge(self, G, edge_element, edge_attr): + # add an edge to the graph + + # raise error if we find mixed directed and undirected edges + edge_direction = edge_element.get("type") + if G.is_directed() and edge_direction == "undirected": + raise nx.NetworkXError("Undirected edge found in directed graph.") + if (not G.is_directed()) and edge_direction == "directed": + raise nx.NetworkXError("Directed edge found in undirected graph.") + + # Get source and target and recast type if required + source = edge_element.get("source") + target = edge_element.get("target") + if self.node_type is not None: + source = self.node_type(source) + target = self.node_type(target) + + data = self.decode_attr_elements(edge_attr, edge_element) + data = self.add_start_end(data, edge_element) + + if self.VERSION == "1.1": + data = self.add_slices(data, edge_element) # add slices + else: + data = self.add_spells(data, edge_element) # add spells + + # GEXF stores edge ids as an attribute + # NetworkX uses them as keys in multigraphs + # if networkx_key is not specified as an attribute + edge_id = edge_element.get("id") + if edge_id is not None: + data["id"] = edge_id + + # check if there is a 'multigraph_key' and use that as edge_id + multigraph_key = data.pop("networkx_key", None) + if multigraph_key is not None: + edge_id = multigraph_key + + weight = edge_element.get("weight") + if weight is not None: + data["weight"] = float(weight) + + edge_label = edge_element.get("label") + if edge_label is not None: + data["label"] = edge_label + + if G.has_edge(source, target): + # seen this edge before - this is a multigraph + self.simple_graph = False + G.add_edge(source, target, key=edge_id, **data) + if edge_direction == "mutual": + G.add_edge(target, source, key=edge_id, **data) + + def decode_attr_elements(self, gexf_keys, obj_xml): + # Use the key information to decode the attr XML + attr = {} + # look for outer '' element + attr_element = obj_xml.find(f"{{{self.NS_GEXF}}}attvalues") + if attr_element is not None: + # loop over elements + for a in attr_element.findall(f"{{{self.NS_GEXF}}}attvalue"): + key = a.get("for") # for is required + try: # should be in our gexf_keys dictionary + title = gexf_keys[key]["title"] + except KeyError as err: + raise nx.NetworkXError(f"No attribute defined for={key}.") from err + atype = gexf_keys[key]["type"] + value = a.get("value") + if atype == "boolean": + value = self.convert_bool[value] + else: + value = self.python_type[atype](value) + if gexf_keys[key]["mode"] == "dynamic": + # for dynamic graphs use list of three-tuples + # [(value1,start1,end1), (value2,start2,end2), etc] + ttype = self.timeformat + start = self.python_type[ttype](a.get("start")) + end = self.python_type[ttype](a.get("end")) + if title in attr: + attr[title].append((value, start, end)) + else: + attr[title] = [(value, start, end)] + else: + # for static graphs just assign the value + attr[title] = value + return attr + + def find_gexf_attributes(self, attributes_element): + # Extract all the attributes and defaults + attrs = {} + defaults = {} + mode = attributes_element.get("mode") + for k in attributes_element.findall(f"{{{self.NS_GEXF}}}attribute"): + attr_id = k.get("id") + title = k.get("title") + atype = k.get("type") + attrs[attr_id] = {"title": title, "type": atype, "mode": mode} + # check for the 'default' subelement of key element and add + default = k.find(f"{{{self.NS_GEXF}}}default") + if default is not None: + if atype == "boolean": + value = self.convert_bool[default.text] + else: + value = self.python_type[atype](default.text) + defaults[title] = value + return attrs, defaults + + +def relabel_gexf_graph(G): + """Relabel graph using "label" node keyword for node label. + + Parameters + ---------- + G : graph + A NetworkX graph read from GEXF data + + Returns + ------- + H : graph + A NetworkX graph with relabeled nodes + + Raises + ------ + NetworkXError + If node labels are missing or not unique while relabel=True. + + Notes + ----- + This function relabels the nodes in a NetworkX graph with the + "label" attribute. It also handles relabeling the specific GEXF + node attributes "parents", and "pid". + """ + # build mapping of node labels, do some error checking + try: + mapping = [(u, G.nodes[u]["label"]) for u in G] + except KeyError as err: + raise nx.NetworkXError( + "Failed to relabel nodes: missing node labels found. Use relabel=False." + ) from err + x, y = zip(*mapping) + if len(set(y)) != len(G): + raise nx.NetworkXError( + "Failed to relabel nodes: " + "duplicate node labels found. " + "Use relabel=False." + ) + mapping = dict(mapping) + H = nx.relabel_nodes(G, mapping) + # relabel attributes + for n in G: + m = mapping[n] + H.nodes[m]["id"] = n + H.nodes[m].pop("label") + if "pid" in H.nodes[m]: + H.nodes[m]["pid"] = mapping[G.nodes[n]["pid"]] + if "parents" in H.nodes[m]: + H.nodes[m]["parents"] = [mapping[p] for p in G.nodes[n]["parents"]] + return H diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/graphml.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/graphml.py new file mode 100644 index 0000000000000000000000000000000000000000..0b05e03a3b44ef21b2ffa06d4577413993e60c1d --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/graphml.py @@ -0,0 +1,1052 @@ +""" +******* +GraphML +******* +Read and write graphs in GraphML format. + +.. warning:: + + This parser uses the standard xml library present in Python, which is + insecure - see :external+python:mod:`xml` for additional information. + Only parse GraphML files you trust. + +This implementation does not support mixed graphs (directed and unidirected +edges together), hyperedges, nested graphs, or ports. + +"GraphML is a comprehensive and easy-to-use file format for graphs. It +consists of a language core to describe the structural properties of a +graph and a flexible extension mechanism to add application-specific +data. Its main features include support of + + * directed, undirected, and mixed graphs, + * hypergraphs, + * hierarchical graphs, + * graphical representations, + * references to external data, + * application-specific attribute data, and + * light-weight parsers. + +Unlike many other file formats for graphs, GraphML does not use a +custom syntax. Instead, it is based on XML and hence ideally suited as +a common denominator for all kinds of services generating, archiving, +or processing graphs." + +http://graphml.graphdrawing.org/ + +Format +------ +GraphML is an XML format. See +http://graphml.graphdrawing.org/specification.html for the specification and +http://graphml.graphdrawing.org/primer/graphml-primer.html +for examples. +""" +import warnings +from collections import defaultdict + +import networkx as nx +from networkx.utils import open_file + +__all__ = [ + "write_graphml", + "read_graphml", + "generate_graphml", + "write_graphml_xml", + "write_graphml_lxml", + "parse_graphml", + "GraphMLWriter", + "GraphMLReader", +] + + +@open_file(1, mode="wb") +def write_graphml_xml( + G, + path, + encoding="utf-8", + prettyprint=True, + infer_numeric_types=False, + named_key_ids=False, + edge_id_from_attribute=None, +): + """Write G in GraphML XML format to path + + Parameters + ---------- + G : graph + A networkx graph + path : file or string + File or filename to write. + Filenames ending in .gz or .bz2 will be compressed. + encoding : string (optional) + Encoding for text data. + prettyprint : bool (optional) + If True use line breaks and indenting in output XML. + infer_numeric_types : boolean + Determine if numeric types should be generalized. + For example, if edges have both int and float 'weight' attributes, + we infer in GraphML that both are floats. + named_key_ids : bool (optional) + If True use attr.name as value for key elements' id attribute. + edge_id_from_attribute : dict key (optional) + If provided, the graphml edge id is set by looking up the corresponding + edge data attribute keyed by this parameter. If `None` or the key does not exist in edge data, + the edge id is set by the edge key if `G` is a MultiGraph, else the edge id is left unset. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_graphml(G, "test.graphml") + + Notes + ----- + This implementation does not support mixed graphs (directed + and unidirected edges together) hyperedges, nested graphs, or ports. + """ + writer = GraphMLWriter( + encoding=encoding, + prettyprint=prettyprint, + infer_numeric_types=infer_numeric_types, + named_key_ids=named_key_ids, + edge_id_from_attribute=edge_id_from_attribute, + ) + writer.add_graph_element(G) + writer.dump(path) + + +@open_file(1, mode="wb") +def write_graphml_lxml( + G, + path, + encoding="utf-8", + prettyprint=True, + infer_numeric_types=False, + named_key_ids=False, + edge_id_from_attribute=None, +): + """Write G in GraphML XML format to path + + This function uses the LXML framework and should be faster than + the version using the xml library. + + Parameters + ---------- + G : graph + A networkx graph + path : file or string + File or filename to write. + Filenames ending in .gz or .bz2 will be compressed. + encoding : string (optional) + Encoding for text data. + prettyprint : bool (optional) + If True use line breaks and indenting in output XML. + infer_numeric_types : boolean + Determine if numeric types should be generalized. + For example, if edges have both int and float 'weight' attributes, + we infer in GraphML that both are floats. + named_key_ids : bool (optional) + If True use attr.name as value for key elements' id attribute. + edge_id_from_attribute : dict key (optional) + If provided, the graphml edge id is set by looking up the corresponding + edge data attribute keyed by this parameter. If `None` or the key does not exist in edge data, + the edge id is set by the edge key if `G` is a MultiGraph, else the edge id is left unset. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_graphml_lxml(G, "fourpath.graphml") + + Notes + ----- + This implementation does not support mixed graphs (directed + and unidirected edges together) hyperedges, nested graphs, or ports. + """ + try: + import lxml.etree as lxmletree + except ImportError: + return write_graphml_xml( + G, + path, + encoding, + prettyprint, + infer_numeric_types, + named_key_ids, + edge_id_from_attribute, + ) + + writer = GraphMLWriterLxml( + path, + graph=G, + encoding=encoding, + prettyprint=prettyprint, + infer_numeric_types=infer_numeric_types, + named_key_ids=named_key_ids, + edge_id_from_attribute=edge_id_from_attribute, + ) + writer.dump() + + +def generate_graphml( + G, + encoding="utf-8", + prettyprint=True, + named_key_ids=False, + edge_id_from_attribute=None, +): + """Generate GraphML lines for G + + Parameters + ---------- + G : graph + A networkx graph + encoding : string (optional) + Encoding for text data. + prettyprint : bool (optional) + If True use line breaks and indenting in output XML. + named_key_ids : bool (optional) + If True use attr.name as value for key elements' id attribute. + edge_id_from_attribute : dict key (optional) + If provided, the graphml edge id is set by looking up the corresponding + edge data attribute keyed by this parameter. If `None` or the key does not exist in edge data, + the edge id is set by the edge key if `G` is a MultiGraph, else the edge id is left unset. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> linefeed = chr(10) # linefeed = \n + >>> s = linefeed.join(nx.generate_graphml(G)) + >>> for line in nx.generate_graphml(G): # doctest: +SKIP + ... print(line) + + Notes + ----- + This implementation does not support mixed graphs (directed and unidirected + edges together) hyperedges, nested graphs, or ports. + """ + writer = GraphMLWriter( + encoding=encoding, + prettyprint=prettyprint, + named_key_ids=named_key_ids, + edge_id_from_attribute=edge_id_from_attribute, + ) + writer.add_graph_element(G) + yield from str(writer).splitlines() + + +@open_file(0, mode="rb") +@nx._dispatchable(graphs=None, returns_graph=True) +def read_graphml(path, node_type=str, edge_key_type=int, force_multigraph=False): + """Read graph in GraphML format from path. + + Parameters + ---------- + path : file or string + File or filename to write. + Filenames ending in .gz or .bz2 will be compressed. + + node_type: Python type (default: str) + Convert node ids to this type + + edge_key_type: Python type (default: int) + Convert graphml edge ids to this type. Multigraphs use id as edge key. + Non-multigraphs add to edge attribute dict with name "id". + + force_multigraph : bool (default: False) + If True, return a multigraph with edge keys. If False (the default) + return a multigraph when multiedges are in the graph. + + Returns + ------- + graph: NetworkX graph + If parallel edges are present or `force_multigraph=True` then + a MultiGraph or MultiDiGraph is returned. Otherwise a Graph/DiGraph. + The returned graph is directed if the file indicates it should be. + + Notes + ----- + Default node and edge attributes are not propagated to each node and edge. + They can be obtained from `G.graph` and applied to node and edge attributes + if desired using something like this: + + >>> default_color = G.graph["node_default"]["color"] # doctest: +SKIP + >>> for node, data in G.nodes(data=True): # doctest: +SKIP + ... if "color" not in data: + ... data["color"] = default_color + >>> default_color = G.graph["edge_default"]["color"] # doctest: +SKIP + >>> for u, v, data in G.edges(data=True): # doctest: +SKIP + ... if "color" not in data: + ... data["color"] = default_color + + This implementation does not support mixed graphs (directed and unidirected + edges together), hypergraphs, nested graphs, or ports. + + For multigraphs the GraphML edge "id" will be used as the edge + key. If not specified then they "key" attribute will be used. If + there is no "key" attribute a default NetworkX multigraph edge key + will be provided. + + Files with the yEd "yfiles" extension can be read. The type of the node's + shape is preserved in the `shape_type` node attribute. + + yEd compressed files ("file.graphmlz" extension) can be read by renaming + the file to "file.graphml.gz". + + """ + reader = GraphMLReader(node_type, edge_key_type, force_multigraph) + # need to check for multiple graphs + glist = list(reader(path=path)) + if len(glist) == 0: + # If no graph comes back, try looking for an incomplete header + header = b'' + path.seek(0) + old_bytes = path.read() + new_bytes = old_bytes.replace(b"", header) + glist = list(reader(string=new_bytes)) + if len(glist) == 0: + raise nx.NetworkXError("file not successfully read as graphml") + return glist[0] + + +@nx._dispatchable(graphs=None, returns_graph=True) +def parse_graphml( + graphml_string, node_type=str, edge_key_type=int, force_multigraph=False +): + """Read graph in GraphML format from string. + + Parameters + ---------- + graphml_string : string + String containing graphml information + (e.g., contents of a graphml file). + + node_type: Python type (default: str) + Convert node ids to this type + + edge_key_type: Python type (default: int) + Convert graphml edge ids to this type. Multigraphs use id as edge key. + Non-multigraphs add to edge attribute dict with name "id". + + force_multigraph : bool (default: False) + If True, return a multigraph with edge keys. If False (the default) + return a multigraph when multiedges are in the graph. + + + Returns + ------- + graph: NetworkX graph + If no parallel edges are found a Graph or DiGraph is returned. + Otherwise a MultiGraph or MultiDiGraph is returned. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> linefeed = chr(10) # linefeed = \n + >>> s = linefeed.join(nx.generate_graphml(G)) + >>> H = nx.parse_graphml(s) + + Notes + ----- + Default node and edge attributes are not propagated to each node and edge. + They can be obtained from `G.graph` and applied to node and edge attributes + if desired using something like this: + + >>> default_color = G.graph["node_default"]["color"] # doctest: +SKIP + >>> for node, data in G.nodes(data=True): # doctest: +SKIP + ... if "color" not in data: + ... data["color"] = default_color + >>> default_color = G.graph["edge_default"]["color"] # doctest: +SKIP + >>> for u, v, data in G.edges(data=True): # doctest: +SKIP + ... if "color" not in data: + ... data["color"] = default_color + + This implementation does not support mixed graphs (directed and unidirected + edges together), hypergraphs, nested graphs, or ports. + + For multigraphs the GraphML edge "id" will be used as the edge + key. If not specified then they "key" attribute will be used. If + there is no "key" attribute a default NetworkX multigraph edge key + will be provided. + + """ + reader = GraphMLReader(node_type, edge_key_type, force_multigraph) + # need to check for multiple graphs + glist = list(reader(string=graphml_string)) + if len(glist) == 0: + # If no graph comes back, try looking for an incomplete header + header = '' + new_string = graphml_string.replace("", header) + glist = list(reader(string=new_string)) + if len(glist) == 0: + raise nx.NetworkXError("file not successfully read as graphml") + return glist[0] + + +class GraphML: + NS_GRAPHML = "http://graphml.graphdrawing.org/xmlns" + NS_XSI = "http://www.w3.org/2001/XMLSchema-instance" + # xmlns:y="http://www.yworks.com/xml/graphml" + NS_Y = "http://www.yworks.com/xml/graphml" + SCHEMALOCATION = " ".join( + [ + "http://graphml.graphdrawing.org/xmlns", + "http://graphml.graphdrawing.org/xmlns/1.0/graphml.xsd", + ] + ) + + def construct_types(self): + types = [ + (int, "integer"), # for Gephi GraphML bug + (str, "yfiles"), + (str, "string"), + (int, "int"), + (int, "long"), + (float, "float"), + (float, "double"), + (bool, "boolean"), + ] + + # These additions to types allow writing numpy types + try: + import numpy as np + except: + pass + else: + # prepend so that python types are created upon read (last entry wins) + types = [ + (np.float64, "float"), + (np.float32, "float"), + (np.float16, "float"), + (np.int_, "int"), + (np.int8, "int"), + (np.int16, "int"), + (np.int32, "int"), + (np.int64, "int"), + (np.uint8, "int"), + (np.uint16, "int"), + (np.uint32, "int"), + (np.uint64, "int"), + (np.int_, "int"), + (np.intc, "int"), + (np.intp, "int"), + ] + types + + self.xml_type = dict(types) + self.python_type = dict(reversed(a) for a in types) + + # This page says that data types in GraphML follow Java(TM). + # http://graphml.graphdrawing.org/primer/graphml-primer.html#AttributesDefinition + # true and false are the only boolean literals: + # http://en.wikibooks.org/wiki/Java_Programming/Literals#Boolean_Literals + convert_bool = { + # We use data.lower() in actual use. + "true": True, + "false": False, + # Include integer strings for convenience. + "0": False, + 0: False, + "1": True, + 1: True, + } + + def get_xml_type(self, key): + """Wrapper around the xml_type dict that raises a more informative + exception message when a user attempts to use data of a type not + supported by GraphML.""" + try: + return self.xml_type[key] + except KeyError as err: + raise TypeError( + f"GraphML does not support type {key} as data values." + ) from err + + +class GraphMLWriter(GraphML): + def __init__( + self, + graph=None, + encoding="utf-8", + prettyprint=True, + infer_numeric_types=False, + named_key_ids=False, + edge_id_from_attribute=None, + ): + self.construct_types() + from xml.etree.ElementTree import Element + + self.myElement = Element + + self.infer_numeric_types = infer_numeric_types + self.prettyprint = prettyprint + self.named_key_ids = named_key_ids + self.edge_id_from_attribute = edge_id_from_attribute + self.encoding = encoding + self.xml = self.myElement( + "graphml", + { + "xmlns": self.NS_GRAPHML, + "xmlns:xsi": self.NS_XSI, + "xsi:schemaLocation": self.SCHEMALOCATION, + }, + ) + self.keys = {} + self.attributes = defaultdict(list) + self.attribute_types = defaultdict(set) + + if graph is not None: + self.add_graph_element(graph) + + def __str__(self): + from xml.etree.ElementTree import tostring + + if self.prettyprint: + self.indent(self.xml) + s = tostring(self.xml).decode(self.encoding) + return s + + def attr_type(self, name, scope, value): + """Infer the attribute type of data named name. Currently this only + supports inference of numeric types. + + If self.infer_numeric_types is false, type is used. Otherwise, pick the + most general of types found across all values with name and scope. This + means edges with data named 'weight' are treated separately from nodes + with data named 'weight'. + """ + if self.infer_numeric_types: + types = self.attribute_types[(name, scope)] + + if len(types) > 1: + types = {self.get_xml_type(t) for t in types} + if "string" in types: + return str + elif "float" in types or "double" in types: + return float + else: + return int + else: + return list(types)[0] + else: + return type(value) + + def get_key(self, name, attr_type, scope, default): + keys_key = (name, attr_type, scope) + try: + return self.keys[keys_key] + except KeyError: + if self.named_key_ids: + new_id = name + else: + new_id = f"d{len(list(self.keys))}" + + self.keys[keys_key] = new_id + key_kwargs = { + "id": new_id, + "for": scope, + "attr.name": name, + "attr.type": attr_type, + } + key_element = self.myElement("key", **key_kwargs) + # add subelement for data default value if present + if default is not None: + default_element = self.myElement("default") + default_element.text = str(default) + key_element.append(default_element) + self.xml.insert(0, key_element) + return new_id + + def add_data(self, name, element_type, value, scope="all", default=None): + """ + Make a data element for an edge or a node. Keep a log of the + type in the keys table. + """ + if element_type not in self.xml_type: + raise nx.NetworkXError( + f"GraphML writer does not support {element_type} as data values." + ) + keyid = self.get_key(name, self.get_xml_type(element_type), scope, default) + data_element = self.myElement("data", key=keyid) + data_element.text = str(value) + return data_element + + def add_attributes(self, scope, xml_obj, data, default): + """Appends attribute data to edges or nodes, and stores type information + to be added later. See add_graph_element. + """ + for k, v in data.items(): + self.attribute_types[(str(k), scope)].add(type(v)) + self.attributes[xml_obj].append([k, v, scope, default.get(k)]) + + def add_nodes(self, G, graph_element): + default = G.graph.get("node_default", {}) + for node, data in G.nodes(data=True): + node_element = self.myElement("node", id=str(node)) + self.add_attributes("node", node_element, data, default) + graph_element.append(node_element) + + def add_edges(self, G, graph_element): + if G.is_multigraph(): + for u, v, key, data in G.edges(data=True, keys=True): + edge_element = self.myElement( + "edge", + source=str(u), + target=str(v), + id=str(data.get(self.edge_id_from_attribute)) + if self.edge_id_from_attribute + and self.edge_id_from_attribute in data + else str(key), + ) + default = G.graph.get("edge_default", {}) + self.add_attributes("edge", edge_element, data, default) + graph_element.append(edge_element) + else: + for u, v, data in G.edges(data=True): + if self.edge_id_from_attribute and self.edge_id_from_attribute in data: + # select attribute to be edge id + edge_element = self.myElement( + "edge", + source=str(u), + target=str(v), + id=str(data.get(self.edge_id_from_attribute)), + ) + else: + # default: no edge id + edge_element = self.myElement("edge", source=str(u), target=str(v)) + default = G.graph.get("edge_default", {}) + self.add_attributes("edge", edge_element, data, default) + graph_element.append(edge_element) + + def add_graph_element(self, G): + """ + Serialize graph G in GraphML to the stream. + """ + if G.is_directed(): + default_edge_type = "directed" + else: + default_edge_type = "undirected" + + graphid = G.graph.pop("id", None) + if graphid is None: + graph_element = self.myElement("graph", edgedefault=default_edge_type) + else: + graph_element = self.myElement( + "graph", edgedefault=default_edge_type, id=graphid + ) + default = {} + data = { + k: v + for (k, v) in G.graph.items() + if k not in ["node_default", "edge_default"] + } + self.add_attributes("graph", graph_element, data, default) + self.add_nodes(G, graph_element) + self.add_edges(G, graph_element) + + # self.attributes contains a mapping from XML Objects to a list of + # data that needs to be added to them. + # We postpone processing in order to do type inference/generalization. + # See self.attr_type + for xml_obj, data in self.attributes.items(): + for k, v, scope, default in data: + xml_obj.append( + self.add_data( + str(k), self.attr_type(k, scope, v), str(v), scope, default + ) + ) + self.xml.append(graph_element) + + def add_graphs(self, graph_list): + """Add many graphs to this GraphML document.""" + for G in graph_list: + self.add_graph_element(G) + + def dump(self, stream): + from xml.etree.ElementTree import ElementTree + + if self.prettyprint: + self.indent(self.xml) + document = ElementTree(self.xml) + document.write(stream, encoding=self.encoding, xml_declaration=True) + + def indent(self, elem, level=0): + # in-place prettyprint formatter + i = "\n" + level * " " + if len(elem): + if not elem.text or not elem.text.strip(): + elem.text = i + " " + if not elem.tail or not elem.tail.strip(): + elem.tail = i + for elem in elem: + self.indent(elem, level + 1) + if not elem.tail or not elem.tail.strip(): + elem.tail = i + else: + if level and (not elem.tail or not elem.tail.strip()): + elem.tail = i + + +class IncrementalElement: + """Wrapper for _IncrementalWriter providing an Element like interface. + + This wrapper does not intend to be a complete implementation but rather to + deal with those calls used in GraphMLWriter. + """ + + def __init__(self, xml, prettyprint): + self.xml = xml + self.prettyprint = prettyprint + + def append(self, element): + self.xml.write(element, pretty_print=self.prettyprint) + + +class GraphMLWriterLxml(GraphMLWriter): + def __init__( + self, + path, + graph=None, + encoding="utf-8", + prettyprint=True, + infer_numeric_types=False, + named_key_ids=False, + edge_id_from_attribute=None, + ): + self.construct_types() + import lxml.etree as lxmletree + + self.myElement = lxmletree.Element + + self._encoding = encoding + self._prettyprint = prettyprint + self.named_key_ids = named_key_ids + self.edge_id_from_attribute = edge_id_from_attribute + self.infer_numeric_types = infer_numeric_types + + self._xml_base = lxmletree.xmlfile(path, encoding=encoding) + self._xml = self._xml_base.__enter__() + self._xml.write_declaration() + + # We need to have a xml variable that support insertion. This call is + # used for adding the keys to the document. + # We will store those keys in a plain list, and then after the graph + # element is closed we will add them to the main graphml element. + self.xml = [] + self._keys = self.xml + self._graphml = self._xml.element( + "graphml", + { + "xmlns": self.NS_GRAPHML, + "xmlns:xsi": self.NS_XSI, + "xsi:schemaLocation": self.SCHEMALOCATION, + }, + ) + self._graphml.__enter__() + self.keys = {} + self.attribute_types = defaultdict(set) + + if graph is not None: + self.add_graph_element(graph) + + def add_graph_element(self, G): + """ + Serialize graph G in GraphML to the stream. + """ + if G.is_directed(): + default_edge_type = "directed" + else: + default_edge_type = "undirected" + + graphid = G.graph.pop("id", None) + if graphid is None: + graph_element = self._xml.element("graph", edgedefault=default_edge_type) + else: + graph_element = self._xml.element( + "graph", edgedefault=default_edge_type, id=graphid + ) + + # gather attributes types for the whole graph + # to find the most general numeric format needed. + # Then pass through attributes to create key_id for each. + graphdata = { + k: v + for k, v in G.graph.items() + if k not in ("node_default", "edge_default") + } + node_default = G.graph.get("node_default", {}) + edge_default = G.graph.get("edge_default", {}) + # Graph attributes + for k, v in graphdata.items(): + self.attribute_types[(str(k), "graph")].add(type(v)) + for k, v in graphdata.items(): + element_type = self.get_xml_type(self.attr_type(k, "graph", v)) + self.get_key(str(k), element_type, "graph", None) + # Nodes and data + for node, d in G.nodes(data=True): + for k, v in d.items(): + self.attribute_types[(str(k), "node")].add(type(v)) + for node, d in G.nodes(data=True): + for k, v in d.items(): + T = self.get_xml_type(self.attr_type(k, "node", v)) + self.get_key(str(k), T, "node", node_default.get(k)) + # Edges and data + if G.is_multigraph(): + for u, v, ekey, d in G.edges(keys=True, data=True): + for k, v in d.items(): + self.attribute_types[(str(k), "edge")].add(type(v)) + for u, v, ekey, d in G.edges(keys=True, data=True): + for k, v in d.items(): + T = self.get_xml_type(self.attr_type(k, "edge", v)) + self.get_key(str(k), T, "edge", edge_default.get(k)) + else: + for u, v, d in G.edges(data=True): + for k, v in d.items(): + self.attribute_types[(str(k), "edge")].add(type(v)) + for u, v, d in G.edges(data=True): + for k, v in d.items(): + T = self.get_xml_type(self.attr_type(k, "edge", v)) + self.get_key(str(k), T, "edge", edge_default.get(k)) + + # Now add attribute keys to the xml file + for key in self.xml: + self._xml.write(key, pretty_print=self._prettyprint) + + # The incremental_writer writes each node/edge as it is created + incremental_writer = IncrementalElement(self._xml, self._prettyprint) + with graph_element: + self.add_attributes("graph", incremental_writer, graphdata, {}) + self.add_nodes(G, incremental_writer) # adds attributes too + self.add_edges(G, incremental_writer) # adds attributes too + + def add_attributes(self, scope, xml_obj, data, default): + """Appends attribute data.""" + for k, v in data.items(): + data_element = self.add_data( + str(k), self.attr_type(str(k), scope, v), str(v), scope, default.get(k) + ) + xml_obj.append(data_element) + + def __str__(self): + return object.__str__(self) + + def dump(self, stream=None): + self._graphml.__exit__(None, None, None) + self._xml_base.__exit__(None, None, None) + + +# default is lxml is present. +write_graphml = write_graphml_lxml + + +class GraphMLReader(GraphML): + """Read a GraphML document. Produces NetworkX graph objects.""" + + def __init__(self, node_type=str, edge_key_type=int, force_multigraph=False): + self.construct_types() + self.node_type = node_type + self.edge_key_type = edge_key_type + self.multigraph = force_multigraph # If False, test for multiedges + self.edge_ids = {} # dict mapping (u,v) tuples to edge id attributes + + def __call__(self, path=None, string=None): + from xml.etree.ElementTree import ElementTree, fromstring + + if path is not None: + self.xml = ElementTree(file=path) + elif string is not None: + self.xml = fromstring(string) + else: + raise ValueError("Must specify either 'path' or 'string' as kwarg") + (keys, defaults) = self.find_graphml_keys(self.xml) + for g in self.xml.findall(f"{{{self.NS_GRAPHML}}}graph"): + yield self.make_graph(g, keys, defaults) + + def make_graph(self, graph_xml, graphml_keys, defaults, G=None): + # set default graph type + edgedefault = graph_xml.get("edgedefault", None) + if G is None: + if edgedefault == "directed": + G = nx.MultiDiGraph() + else: + G = nx.MultiGraph() + # set defaults for graph attributes + G.graph["node_default"] = {} + G.graph["edge_default"] = {} + for key_id, value in defaults.items(): + key_for = graphml_keys[key_id]["for"] + name = graphml_keys[key_id]["name"] + python_type = graphml_keys[key_id]["type"] + if key_for == "node": + G.graph["node_default"].update({name: python_type(value)}) + if key_for == "edge": + G.graph["edge_default"].update({name: python_type(value)}) + # hyperedges are not supported + hyperedge = graph_xml.find(f"{{{self.NS_GRAPHML}}}hyperedge") + if hyperedge is not None: + raise nx.NetworkXError("GraphML reader doesn't support hyperedges") + # add nodes + for node_xml in graph_xml.findall(f"{{{self.NS_GRAPHML}}}node"): + self.add_node(G, node_xml, graphml_keys, defaults) + # add edges + for edge_xml in graph_xml.findall(f"{{{self.NS_GRAPHML}}}edge"): + self.add_edge(G, edge_xml, graphml_keys) + # add graph data + data = self.decode_data_elements(graphml_keys, graph_xml) + G.graph.update(data) + + # switch to Graph or DiGraph if no parallel edges were found + if self.multigraph: + return G + + G = nx.DiGraph(G) if G.is_directed() else nx.Graph(G) + # add explicit edge "id" from file as attribute in NX graph. + nx.set_edge_attributes(G, values=self.edge_ids, name="id") + return G + + def add_node(self, G, node_xml, graphml_keys, defaults): + """Add a node to the graph.""" + # warn on finding unsupported ports tag + ports = node_xml.find(f"{{{self.NS_GRAPHML}}}port") + if ports is not None: + warnings.warn("GraphML port tag not supported.") + # find the node by id and cast it to the appropriate type + node_id = self.node_type(node_xml.get("id")) + # get data/attributes for node + data = self.decode_data_elements(graphml_keys, node_xml) + G.add_node(node_id, **data) + # get child nodes + if node_xml.attrib.get("yfiles.foldertype") == "group": + graph_xml = node_xml.find(f"{{{self.NS_GRAPHML}}}graph") + self.make_graph(graph_xml, graphml_keys, defaults, G) + + def add_edge(self, G, edge_element, graphml_keys): + """Add an edge to the graph.""" + # warn on finding unsupported ports tag + ports = edge_element.find(f"{{{self.NS_GRAPHML}}}port") + if ports is not None: + warnings.warn("GraphML port tag not supported.") + + # raise error if we find mixed directed and undirected edges + directed = edge_element.get("directed") + if G.is_directed() and directed == "false": + msg = "directed=false edge found in directed graph." + raise nx.NetworkXError(msg) + if (not G.is_directed()) and directed == "true": + msg = "directed=true edge found in undirected graph." + raise nx.NetworkXError(msg) + + source = self.node_type(edge_element.get("source")) + target = self.node_type(edge_element.get("target")) + data = self.decode_data_elements(graphml_keys, edge_element) + # GraphML stores edge ids as an attribute + # NetworkX uses them as keys in multigraphs too if no key + # attribute is specified + edge_id = edge_element.get("id") + if edge_id: + # self.edge_ids is used by `make_graph` method for non-multigraphs + self.edge_ids[source, target] = edge_id + try: + edge_id = self.edge_key_type(edge_id) + except ValueError: # Could not convert. + pass + else: + edge_id = data.get("key") + + if G.has_edge(source, target): + # mark this as a multigraph + self.multigraph = True + + # Use add_edges_from to avoid error with add_edge when `'key' in data` + # Note there is only one edge here... + G.add_edges_from([(source, target, edge_id, data)]) + + def decode_data_elements(self, graphml_keys, obj_xml): + """Use the key information to decode the data XML if present.""" + data = {} + for data_element in obj_xml.findall(f"{{{self.NS_GRAPHML}}}data"): + key = data_element.get("key") + try: + data_name = graphml_keys[key]["name"] + data_type = graphml_keys[key]["type"] + except KeyError as err: + raise nx.NetworkXError(f"Bad GraphML data: no key {key}") from err + text = data_element.text + # assume anything with subelements is a yfiles extension + if text is not None and len(list(data_element)) == 0: + if data_type == bool: + # Ignore cases. + # http://docs.oracle.com/javase/6/docs/api/java/lang/ + # Boolean.html#parseBoolean%28java.lang.String%29 + data[data_name] = self.convert_bool[text.lower()] + else: + data[data_name] = data_type(text) + elif len(list(data_element)) > 0: + # Assume yfiles as subelements, try to extract node_label + node_label = None + # set GenericNode's configuration as shape type + gn = data_element.find(f"{{{self.NS_Y}}}GenericNode") + if gn is not None: + data["shape_type"] = gn.get("configuration") + for node_type in ["GenericNode", "ShapeNode", "SVGNode", "ImageNode"]: + pref = f"{{{self.NS_Y}}}{node_type}/{{{self.NS_Y}}}" + geometry = data_element.find(f"{pref}Geometry") + if geometry is not None: + data["x"] = geometry.get("x") + data["y"] = geometry.get("y") + if node_label is None: + node_label = data_element.find(f"{pref}NodeLabel") + shape = data_element.find(f"{pref}Shape") + if shape is not None: + data["shape_type"] = shape.get("type") + if node_label is not None: + data["label"] = node_label.text + + # check all the different types of edges available in yEd. + for edge_type in [ + "PolyLineEdge", + "SplineEdge", + "QuadCurveEdge", + "BezierEdge", + "ArcEdge", + ]: + pref = f"{{{self.NS_Y}}}{edge_type}/{{{self.NS_Y}}}" + edge_label = data_element.find(f"{pref}EdgeLabel") + if edge_label is not None: + break + if edge_label is not None: + data["label"] = edge_label.text + elif text is None: + data[data_name] = "" + return data + + def find_graphml_keys(self, graph_element): + """Extracts all the keys and key defaults from the xml.""" + graphml_keys = {} + graphml_key_defaults = {} + for k in graph_element.findall(f"{{{self.NS_GRAPHML}}}key"): + attr_id = k.get("id") + attr_type = k.get("attr.type") + attr_name = k.get("attr.name") + yfiles_type = k.get("yfiles.type") + if yfiles_type is not None: + attr_name = yfiles_type + attr_type = "yfiles" + if attr_type is None: + attr_type = "string" + warnings.warn(f"No key type for id {attr_id}. Using string") + if attr_name is None: + raise nx.NetworkXError(f"Unknown key for id {attr_id}.") + graphml_keys[attr_id] = { + "name": attr_name, + "type": self.python_type[attr_type], + "for": k.get("for"), + } + # check for "default" sub-element of key element + default = k.find(f"{{{self.NS_GRAPHML}}}default") + if default is not None: + # Handle default values identically to data element values + python_type = graphml_keys[attr_id]["type"] + if python_type == bool: + graphml_key_defaults[attr_id] = self.convert_bool[ + default.text.lower() + ] + else: + graphml_key_defaults[attr_id] = python_type(default.text) + return graphml_keys, graphml_key_defaults diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__init__.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__init__.py new file mode 100644 index 0000000000000000000000000000000000000000..2ee9d1240efd4691fe52d91690e99428ac75e11c --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__init__.py @@ -0,0 +1,18 @@ +""" +********* +JSON data +********* +Generate and parse JSON serializable data for NetworkX graphs. + +These formats are suitable for use with the d3.js examples https://d3js.org/ + +The three formats that you can generate with NetworkX are: + + - node-link like in the d3.js example https://bl.ocks.org/mbostock/4062045 + - tree like in the d3.js example https://bl.ocks.org/mbostock/4063550 + - adjacency like in the d3.js example https://bost.ocks.org/mike/miserables/ +""" +from networkx.readwrite.json_graph.node_link import * +from networkx.readwrite.json_graph.adjacency import * +from networkx.readwrite.json_graph.tree import * +from networkx.readwrite.json_graph.cytoscape import * diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/adjacency.cpython-310.pyc b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/adjacency.cpython-310.pyc new file mode 100644 index 0000000000000000000000000000000000000000..34085d74ee35d6ed85dc22b46e86305a19bb6d84 Binary files /dev/null and b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/adjacency.cpython-310.pyc differ diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/cytoscape.cpython-310.pyc b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/cytoscape.cpython-310.pyc new file mode 100644 index 0000000000000000000000000000000000000000..36beb19043eb7c1d4eb226f030996687277f966e Binary files /dev/null and b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/__pycache__/cytoscape.cpython-310.pyc differ diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/adjacency.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/adjacency.py new file mode 100644 index 0000000000000000000000000000000000000000..3b05747565e73388b0871fbb7daf0f85ad2ce98b --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/adjacency.py @@ -0,0 +1,156 @@ +import networkx as nx + +__all__ = ["adjacency_data", "adjacency_graph"] + +_attrs = {"id": "id", "key": "key"} + + +def adjacency_data(G, attrs=_attrs): + """Returns data in adjacency format that is suitable for JSON serialization + and use in JavaScript documents. + + Parameters + ---------- + G : NetworkX graph + + attrs : dict + A dictionary that contains two keys 'id' and 'key'. The corresponding + values provide the attribute names for storing NetworkX-internal graph + data. The values should be unique. Default value: + :samp:`dict(id='id', key='key')`. + + If some user-defined graph data use these attribute names as data keys, + they may be silently dropped. + + Returns + ------- + data : dict + A dictionary with adjacency formatted data. + + Raises + ------ + NetworkXError + If values in attrs are not unique. + + Examples + -------- + >>> from networkx.readwrite import json_graph + >>> G = nx.Graph([(1, 2)]) + >>> data = json_graph.adjacency_data(G) + + To serialize with json + + >>> import json + >>> s = json.dumps(data) + + Notes + ----- + Graph, node, and link attributes will be written when using this format + but attribute keys must be strings if you want to serialize the resulting + data with JSON. + + The default value of attrs will be changed in a future release of NetworkX. + + See Also + -------- + adjacency_graph, node_link_data, tree_data + """ + multigraph = G.is_multigraph() + id_ = attrs["id"] + # Allow 'key' to be omitted from attrs if the graph is not a multigraph. + key = None if not multigraph else attrs["key"] + if id_ == key: + raise nx.NetworkXError("Attribute names are not unique.") + data = {} + data["directed"] = G.is_directed() + data["multigraph"] = multigraph + data["graph"] = list(G.graph.items()) + data["nodes"] = [] + data["adjacency"] = [] + for n, nbrdict in G.adjacency(): + data["nodes"].append({**G.nodes[n], id_: n}) + adj = [] + if multigraph: + for nbr, keys in nbrdict.items(): + for k, d in keys.items(): + adj.append({**d, id_: nbr, key: k}) + else: + for nbr, d in nbrdict.items(): + adj.append({**d, id_: nbr}) + data["adjacency"].append(adj) + return data + + +@nx._dispatchable(graphs=None, returns_graph=True) +def adjacency_graph(data, directed=False, multigraph=True, attrs=_attrs): + """Returns graph from adjacency data format. + + Parameters + ---------- + data : dict + Adjacency list formatted graph data + + directed : bool + If True, and direction not specified in data, return a directed graph. + + multigraph : bool + If True, and multigraph not specified in data, return a multigraph. + + attrs : dict + A dictionary that contains two keys 'id' and 'key'. The corresponding + values provide the attribute names for storing NetworkX-internal graph + data. The values should be unique. Default value: + :samp:`dict(id='id', key='key')`. + + Returns + ------- + G : NetworkX graph + A NetworkX graph object + + Examples + -------- + >>> from networkx.readwrite import json_graph + >>> G = nx.Graph([(1, 2)]) + >>> data = json_graph.adjacency_data(G) + >>> H = json_graph.adjacency_graph(data) + + Notes + ----- + The default value of attrs will be changed in a future release of NetworkX. + + See Also + -------- + adjacency_graph, node_link_data, tree_data + """ + multigraph = data.get("multigraph", multigraph) + directed = data.get("directed", directed) + if multigraph: + graph = nx.MultiGraph() + else: + graph = nx.Graph() + if directed: + graph = graph.to_directed() + id_ = attrs["id"] + # Allow 'key' to be omitted from attrs if the graph is not a multigraph. + key = None if not multigraph else attrs["key"] + graph.graph = dict(data.get("graph", [])) + mapping = [] + for d in data["nodes"]: + node_data = d.copy() + node = node_data.pop(id_) + mapping.append(node) + graph.add_node(node) + graph.nodes[node].update(node_data) + for i, d in enumerate(data["adjacency"]): + source = mapping[i] + for tdata in d: + target_data = tdata.copy() + target = target_data.pop(id_) + if not multigraph: + graph.add_edge(source, target) + graph[source][target].update(target_data) + else: + ky = target_data.pop(key, None) + graph.add_edge(source, target, key=ky) + graph[source][target][ky].update(target_data) + return graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/cytoscape.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/cytoscape.py new file mode 100644 index 0000000000000000000000000000000000000000..2f3b2176ab403fa9b85acdded5b97a6ebc728855 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/cytoscape.py @@ -0,0 +1,178 @@ +import networkx as nx + +__all__ = ["cytoscape_data", "cytoscape_graph"] + + +def cytoscape_data(G, name="name", ident="id"): + """Returns data in Cytoscape JSON format (cyjs). + + Parameters + ---------- + G : NetworkX Graph + The graph to convert to cytoscape format + name : string + A string which is mapped to the 'name' node element in cyjs format. + Must not have the same value as `ident`. + ident : string + A string which is mapped to the 'id' node element in cyjs format. + Must not have the same value as `name`. + + Returns + ------- + data: dict + A dictionary with cyjs formatted data. + + Raises + ------ + NetworkXError + If the values for `name` and `ident` are identical. + + See Also + -------- + cytoscape_graph: convert a dictionary in cyjs format to a graph + + References + ---------- + .. [1] Cytoscape user's manual: + http://manual.cytoscape.org/en/stable/index.html + + Examples + -------- + >>> G = nx.path_graph(2) + >>> nx.cytoscape_data(G) # doctest: +SKIP + {'data': [], + 'directed': False, + 'multigraph': False, + 'elements': {'nodes': [{'data': {'id': '0', 'value': 0, 'name': '0'}}, + {'data': {'id': '1', 'value': 1, 'name': '1'}}], + 'edges': [{'data': {'source': 0, 'target': 1}}]}} + """ + if name == ident: + raise nx.NetworkXError("name and ident must be different.") + + jsondata = {"data": list(G.graph.items())} + jsondata["directed"] = G.is_directed() + jsondata["multigraph"] = G.is_multigraph() + jsondata["elements"] = {"nodes": [], "edges": []} + nodes = jsondata["elements"]["nodes"] + edges = jsondata["elements"]["edges"] + + for i, j in G.nodes.items(): + n = {"data": j.copy()} + n["data"]["id"] = j.get(ident) or str(i) + n["data"]["value"] = i + n["data"]["name"] = j.get(name) or str(i) + nodes.append(n) + + if G.is_multigraph(): + for e in G.edges(keys=True): + n = {"data": G.adj[e[0]][e[1]][e[2]].copy()} + n["data"]["source"] = e[0] + n["data"]["target"] = e[1] + n["data"]["key"] = e[2] + edges.append(n) + else: + for e in G.edges(): + n = {"data": G.adj[e[0]][e[1]].copy()} + n["data"]["source"] = e[0] + n["data"]["target"] = e[1] + edges.append(n) + return jsondata + + +@nx._dispatchable(graphs=None, returns_graph=True) +def cytoscape_graph(data, name="name", ident="id"): + """ + Create a NetworkX graph from a dictionary in cytoscape JSON format. + + Parameters + ---------- + data : dict + A dictionary of data conforming to cytoscape JSON format. + name : string + A string which is mapped to the 'name' node element in cyjs format. + Must not have the same value as `ident`. + ident : string + A string which is mapped to the 'id' node element in cyjs format. + Must not have the same value as `name`. + + Returns + ------- + graph : a NetworkX graph instance + The `graph` can be an instance of `Graph`, `DiGraph`, `MultiGraph`, or + `MultiDiGraph` depending on the input data. + + Raises + ------ + NetworkXError + If the `name` and `ident` attributes are identical. + + See Also + -------- + cytoscape_data: convert a NetworkX graph to a dict in cyjs format + + References + ---------- + .. [1] Cytoscape user's manual: + http://manual.cytoscape.org/en/stable/index.html + + Examples + -------- + >>> data_dict = { + ... "data": [], + ... "directed": False, + ... "multigraph": False, + ... "elements": { + ... "nodes": [ + ... {"data": {"id": "0", "value": 0, "name": "0"}}, + ... {"data": {"id": "1", "value": 1, "name": "1"}}, + ... ], + ... "edges": [{"data": {"source": 0, "target": 1}}], + ... }, + ... } + >>> G = nx.cytoscape_graph(data_dict) + >>> G.name + '' + >>> G.nodes() + NodeView((0, 1)) + >>> G.nodes(data=True)[0] + {'id': '0', 'value': 0, 'name': '0'} + >>> G.edges(data=True) + EdgeDataView([(0, 1, {'source': 0, 'target': 1})]) + """ + if name == ident: + raise nx.NetworkXError("name and ident must be different.") + + multigraph = data.get("multigraph") + directed = data.get("directed") + if multigraph: + graph = nx.MultiGraph() + else: + graph = nx.Graph() + if directed: + graph = graph.to_directed() + graph.graph = dict(data.get("data")) + for d in data["elements"]["nodes"]: + node_data = d["data"].copy() + node = d["data"]["value"] + + if d["data"].get(name): + node_data[name] = d["data"].get(name) + if d["data"].get(ident): + node_data[ident] = d["data"].get(ident) + + graph.add_node(node) + graph.nodes[node].update(node_data) + + for d in data["elements"]["edges"]: + edge_data = d["data"].copy() + sour = d["data"]["source"] + targ = d["data"]["target"] + if multigraph: + key = d["data"].get("key", 0) + graph.add_edge(sour, targ, key=key) + graph.edges[sour, targ, key].update(edge_data) + else: + graph.add_edge(sour, targ) + graph.edges[sour, targ].update(edge_data) + return graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/node_link.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/node_link.py new file mode 100644 index 0000000000000000000000000000000000000000..e29100f448aeefd34802d42297ecd1120e1920a8 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/node_link.py @@ -0,0 +1,244 @@ +from itertools import chain, count + +import networkx as nx + +__all__ = ["node_link_data", "node_link_graph"] + + +_attrs = { + "source": "source", + "target": "target", + "name": "id", + "key": "key", + "link": "links", +} + + +def _to_tuple(x): + """Converts lists to tuples, including nested lists. + + All other non-list inputs are passed through unmodified. This function is + intended to be used to convert potentially nested lists from json files + into valid nodes. + + Examples + -------- + >>> _to_tuple([1, 2, [3, 4]]) + (1, 2, (3, 4)) + """ + if not isinstance(x, tuple | list): + return x + return tuple(map(_to_tuple, x)) + + +def node_link_data( + G, + *, + source="source", + target="target", + name="id", + key="key", + link="links", +): + """Returns data in node-link format that is suitable for JSON serialization + and use in JavaScript documents. + + Parameters + ---------- + G : NetworkX graph + source : string + A string that provides the 'source' attribute name for storing NetworkX-internal graph data. + target : string + A string that provides the 'target' attribute name for storing NetworkX-internal graph data. + name : string + A string that provides the 'name' attribute name for storing NetworkX-internal graph data. + key : string + A string that provides the 'key' attribute name for storing NetworkX-internal graph data. + link : string + A string that provides the 'link' attribute name for storing NetworkX-internal graph data. + + Returns + ------- + data : dict + A dictionary with node-link formatted data. + + Raises + ------ + NetworkXError + If the values of 'source', 'target' and 'key' are not unique. + + Examples + -------- + >>> G = nx.Graph([("A", "B")]) + >>> data1 = nx.node_link_data(G) + >>> data1 + {'directed': False, 'multigraph': False, 'graph': {}, 'nodes': [{'id': 'A'}, {'id': 'B'}], 'links': [{'source': 'A', 'target': 'B'}]} + + To serialize with JSON + + >>> import json + >>> s1 = json.dumps(data1) + >>> s1 + '{"directed": false, "multigraph": false, "graph": {}, "nodes": [{"id": "A"}, {"id": "B"}], "links": [{"source": "A", "target": "B"}]}' + + A graph can also be serialized by passing `node_link_data` as an encoder function. The two methods are equivalent. + + >>> s1 = json.dumps(G, default=nx.node_link_data) + >>> s1 + '{"directed": false, "multigraph": false, "graph": {}, "nodes": [{"id": "A"}, {"id": "B"}], "links": [{"source": "A", "target": "B"}]}' + + The attribute names for storing NetworkX-internal graph data can + be specified as keyword options. + + >>> H = nx.gn_graph(2) + >>> data2 = nx.node_link_data(H, link="edges", source="from", target="to") + >>> data2 + {'directed': True, 'multigraph': False, 'graph': {}, 'nodes': [{'id': 0}, {'id': 1}], 'edges': [{'from': 1, 'to': 0}]} + + Notes + ----- + Graph, node, and link attributes are stored in this format. Note that + attribute keys will be converted to strings in order to comply with JSON. + + Attribute 'key' is only used for multigraphs. + + To use `node_link_data` in conjunction with `node_link_graph`, + the keyword names for the attributes must match. + + + See Also + -------- + node_link_graph, adjacency_data, tree_data + """ + multigraph = G.is_multigraph() + + # Allow 'key' to be omitted from attrs if the graph is not a multigraph. + key = None if not multigraph else key + if len({source, target, key}) < 3: + raise nx.NetworkXError("Attribute names are not unique.") + data = { + "directed": G.is_directed(), + "multigraph": multigraph, + "graph": G.graph, + "nodes": [{**G.nodes[n], name: n} for n in G], + } + if multigraph: + data[link] = [ + {**d, source: u, target: v, key: k} + for u, v, k, d in G.edges(keys=True, data=True) + ] + else: + data[link] = [{**d, source: u, target: v} for u, v, d in G.edges(data=True)] + return data + + +@nx._dispatchable(graphs=None, returns_graph=True) +def node_link_graph( + data, + directed=False, + multigraph=True, + *, + source="source", + target="target", + name="id", + key="key", + link="links", +): + """Returns graph from node-link data format. + Useful for de-serialization from JSON. + + Parameters + ---------- + data : dict + node-link formatted graph data + + directed : bool + If True, and direction not specified in data, return a directed graph. + + multigraph : bool + If True, and multigraph not specified in data, return a multigraph. + + source : string + A string that provides the 'source' attribute name for storing NetworkX-internal graph data. + target : string + A string that provides the 'target' attribute name for storing NetworkX-internal graph data. + name : string + A string that provides the 'name' attribute name for storing NetworkX-internal graph data. + key : string + A string that provides the 'key' attribute name for storing NetworkX-internal graph data. + link : string + A string that provides the 'link' attribute name for storing NetworkX-internal graph data. + + Returns + ------- + G : NetworkX graph + A NetworkX graph object + + Examples + -------- + + Create data in node-link format by converting a graph. + + >>> G = nx.Graph([("A", "B")]) + >>> data = nx.node_link_data(G) + >>> data + {'directed': False, 'multigraph': False, 'graph': {}, 'nodes': [{'id': 'A'}, {'id': 'B'}], 'links': [{'source': 'A', 'target': 'B'}]} + + Revert data in node-link format to a graph. + + >>> H = nx.node_link_graph(data) + >>> print(H.edges) + [('A', 'B')] + + To serialize and deserialize a graph with JSON, + + >>> import json + >>> d = json.dumps(node_link_data(G)) + >>> H = node_link_graph(json.loads(d)) + >>> print(G.edges, H.edges) + [('A', 'B')] [('A', 'B')] + + + Notes + ----- + Attribute 'key' is only used for multigraphs. + + To use `node_link_data` in conjunction with `node_link_graph`, + the keyword names for the attributes must match. + + See Also + -------- + node_link_data, adjacency_data, tree_data + """ + multigraph = data.get("multigraph", multigraph) + directed = data.get("directed", directed) + if multigraph: + graph = nx.MultiGraph() + else: + graph = nx.Graph() + if directed: + graph = graph.to_directed() + + # Allow 'key' to be omitted from attrs if the graph is not a multigraph. + key = None if not multigraph else key + graph.graph = data.get("graph", {}) + c = count() + for d in data["nodes"]: + node = _to_tuple(d.get(name, next(c))) + nodedata = {str(k): v for k, v in d.items() if k != name} + graph.add_node(node, **nodedata) + for d in data[link]: + src = tuple(d[source]) if isinstance(d[source], list) else d[source] + tgt = tuple(d[target]) if isinstance(d[target], list) else d[target] + if not multigraph: + edgedata = {str(k): v for k, v in d.items() if k != source and k != target} + graph.add_edge(src, tgt, **edgedata) + else: + ky = d.get(key, None) + edgedata = { + str(k): v + for k, v in d.items() + if k != source and k != target and k != key + } + graph.add_edge(src, tgt, ky, **edgedata) + return graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/tree.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/tree.py new file mode 100644 index 0000000000000000000000000000000000000000..22b07b09d277815e824b1dd8c5b82a149ed14e1b --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/json_graph/tree.py @@ -0,0 +1,137 @@ +from itertools import chain + +import networkx as nx + +__all__ = ["tree_data", "tree_graph"] + + +def tree_data(G, root, ident="id", children="children"): + """Returns data in tree format that is suitable for JSON serialization + and use in JavaScript documents. + + Parameters + ---------- + G : NetworkX graph + G must be an oriented tree + + root : node + The root of the tree + + ident : string + Attribute name for storing NetworkX-internal graph data. `ident` must + have a different value than `children`. The default is 'id'. + + children : string + Attribute name for storing NetworkX-internal graph data. `children` + must have a different value than `ident`. The default is 'children'. + + Returns + ------- + data : dict + A dictionary with node-link formatted data. + + Raises + ------ + NetworkXError + If `children` and `ident` attributes are identical. + + Examples + -------- + >>> from networkx.readwrite import json_graph + >>> G = nx.DiGraph([(1, 2)]) + >>> data = json_graph.tree_data(G, root=1) + + To serialize with json + + >>> import json + >>> s = json.dumps(data) + + Notes + ----- + Node attributes are stored in this format but keys + for attributes must be strings if you want to serialize with JSON. + + Graph and edge attributes are not stored. + + See Also + -------- + tree_graph, node_link_data, adjacency_data + """ + if G.number_of_nodes() != G.number_of_edges() + 1: + raise TypeError("G is not a tree.") + if not G.is_directed(): + raise TypeError("G is not directed.") + if not nx.is_weakly_connected(G): + raise TypeError("G is not weakly connected.") + + if ident == children: + raise nx.NetworkXError("The values for `id` and `children` must be different.") + + def add_children(n, G): + nbrs = G[n] + if len(nbrs) == 0: + return [] + children_ = [] + for child in nbrs: + d = {**G.nodes[child], ident: child} + c = add_children(child, G) + if c: + d[children] = c + children_.append(d) + return children_ + + return {**G.nodes[root], ident: root, children: add_children(root, G)} + + +@nx._dispatchable(graphs=None, returns_graph=True) +def tree_graph(data, ident="id", children="children"): + """Returns graph from tree data format. + + Parameters + ---------- + data : dict + Tree formatted graph data + + ident : string + Attribute name for storing NetworkX-internal graph data. `ident` must + have a different value than `children`. The default is 'id'. + + children : string + Attribute name for storing NetworkX-internal graph data. `children` + must have a different value than `ident`. The default is 'children'. + + Returns + ------- + G : NetworkX DiGraph + + Examples + -------- + >>> from networkx.readwrite import json_graph + >>> G = nx.DiGraph([(1, 2)]) + >>> data = json_graph.tree_data(G, root=1) + >>> H = json_graph.tree_graph(data) + + See Also + -------- + tree_data, node_link_data, adjacency_data + """ + graph = nx.DiGraph() + + def add_children(parent, children_): + for data in children_: + child = data[ident] + graph.add_edge(parent, child) + grandchildren = data.get(children, []) + if grandchildren: + add_children(child, grandchildren) + nodedata = { + str(k): v for k, v in data.items() if k != ident and k != children + } + graph.add_node(child, **nodedata) + + root = data[ident] + children_ = data.get(children, []) + nodedata = {str(k): v for k, v in data.items() if k != ident and k != children} + graph.add_node(root, **nodedata) + add_children(root, children_) + return graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/multiline_adjlist.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/multiline_adjlist.py new file mode 100644 index 0000000000000000000000000000000000000000..526b30a9b05526c97abb7c2556b435084fb601d7 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/multiline_adjlist.py @@ -0,0 +1,393 @@ +""" +************************* +Multi-line Adjacency List +************************* +Read and write NetworkX graphs as multi-line adjacency lists. + +The multi-line adjacency list format is useful for graphs with +nodes that can be meaningfully represented as strings. With this format +simple edge data can be stored but node or graph data is not. + +Format +------ +The first label in a line is the source node label followed by the node degree +d. The next d lines are target node labels and optional edge data. +That pattern repeats for all nodes in the graph. + +The graph with edges a-b, a-c, d-e can be represented as the following +adjacency list (anything following the # in a line is a comment):: + + # example.multiline-adjlist + a 2 + b + c + d 1 + e +""" + +__all__ = [ + "generate_multiline_adjlist", + "write_multiline_adjlist", + "parse_multiline_adjlist", + "read_multiline_adjlist", +] + +import networkx as nx +from networkx.utils import open_file + + +def generate_multiline_adjlist(G, delimiter=" "): + """Generate a single line of the graph G in multiline adjacency list format. + + Parameters + ---------- + G : NetworkX graph + + delimiter : string, optional + Separator for node labels + + Returns + ------- + lines : string + Lines of data in multiline adjlist format. + + Examples + -------- + >>> G = nx.lollipop_graph(4, 3) + >>> for line in nx.generate_multiline_adjlist(G): + ... print(line) + 0 3 + 1 {} + 2 {} + 3 {} + 1 2 + 2 {} + 3 {} + 2 1 + 3 {} + 3 1 + 4 {} + 4 1 + 5 {} + 5 1 + 6 {} + 6 0 + + See Also + -------- + write_multiline_adjlist, read_multiline_adjlist + """ + if G.is_directed(): + if G.is_multigraph(): + for s, nbrs in G.adjacency(): + nbr_edges = [ + (u, data) + for u, datadict in nbrs.items() + for key, data in datadict.items() + ] + deg = len(nbr_edges) + yield str(s) + delimiter + str(deg) + for u, d in nbr_edges: + if d is None: + yield str(u) + else: + yield str(u) + delimiter + str(d) + else: # directed single edges + for s, nbrs in G.adjacency(): + deg = len(nbrs) + yield str(s) + delimiter + str(deg) + for u, d in nbrs.items(): + if d is None: + yield str(u) + else: + yield str(u) + delimiter + str(d) + else: # undirected + if G.is_multigraph(): + seen = set() # helper dict used to avoid duplicate edges + for s, nbrs in G.adjacency(): + nbr_edges = [ + (u, data) + for u, datadict in nbrs.items() + if u not in seen + for key, data in datadict.items() + ] + deg = len(nbr_edges) + yield str(s) + delimiter + str(deg) + for u, d in nbr_edges: + if d is None: + yield str(u) + else: + yield str(u) + delimiter + str(d) + seen.add(s) + else: # undirected single edges + seen = set() # helper dict used to avoid duplicate edges + for s, nbrs in G.adjacency(): + nbr_edges = [(u, d) for u, d in nbrs.items() if u not in seen] + deg = len(nbr_edges) + yield str(s) + delimiter + str(deg) + for u, d in nbr_edges: + if d is None: + yield str(u) + else: + yield str(u) + delimiter + str(d) + seen.add(s) + + +@open_file(1, mode="wb") +def write_multiline_adjlist(G, path, delimiter=" ", comments="#", encoding="utf-8"): + """Write the graph G in multiline adjacency list format to path + + Parameters + ---------- + G : NetworkX graph + + path : string or file + Filename or file handle to write to. + Filenames ending in .gz or .bz2 will be compressed. + + comments : string, optional + Marker for comment lines + + delimiter : string, optional + Separator for node labels + + encoding : string, optional + Text encoding. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_multiline_adjlist(G, "test.adjlist") + + The path can be a file handle or a string with the name of the file. If a + file handle is provided, it has to be opened in 'wb' mode. + + >>> fh = open("test.adjlist", "wb") + >>> nx.write_multiline_adjlist(G, fh) + + Filenames ending in .gz or .bz2 will be compressed. + + >>> nx.write_multiline_adjlist(G, "test.adjlist.gz") + + See Also + -------- + read_multiline_adjlist + """ + import sys + import time + + pargs = comments + " ".join(sys.argv) + header = ( + f"{pargs}\n" + + comments + + f" GMT {time.asctime(time.gmtime())}\n" + + comments + + f" {G.name}\n" + ) + path.write(header.encode(encoding)) + + for multiline in generate_multiline_adjlist(G, delimiter): + multiline += "\n" + path.write(multiline.encode(encoding)) + + +@nx._dispatchable(graphs=None, returns_graph=True) +def parse_multiline_adjlist( + lines, comments="#", delimiter=None, create_using=None, nodetype=None, edgetype=None +): + """Parse lines of a multiline adjacency list representation of a graph. + + Parameters + ---------- + lines : list or iterator of strings + Input data in multiline adjlist format + + create_using : NetworkX graph constructor, optional (default=nx.Graph) + Graph type to create. If graph instance, then cleared before populated. + + nodetype : Python type, optional + Convert nodes to this type. + + edgetype : Python type, optional + Convert edges to this type. + + comments : string, optional + Marker for comment lines + + delimiter : string, optional + Separator for node labels. The default is whitespace. + + Returns + ------- + G: NetworkX graph + The graph corresponding to the lines in multiline adjacency list format. + + Examples + -------- + >>> lines = [ + ... "1 2", + ... "2 {'weight':3, 'name': 'Frodo'}", + ... "3 {}", + ... "2 1", + ... "5 {'weight':6, 'name': 'Saruman'}", + ... ] + >>> G = nx.parse_multiline_adjlist(iter(lines), nodetype=int) + >>> list(G) + [1, 2, 3, 5] + + """ + from ast import literal_eval + + G = nx.empty_graph(0, create_using) + for line in lines: + p = line.find(comments) + if p >= 0: + line = line[:p] + if not line: + continue + try: + (u, deg) = line.strip().split(delimiter) + deg = int(deg) + except BaseException as err: + raise TypeError(f"Failed to read node and degree on line ({line})") from err + if nodetype is not None: + try: + u = nodetype(u) + except BaseException as err: + raise TypeError( + f"Failed to convert node ({u}) to type {nodetype}" + ) from err + G.add_node(u) + for i in range(deg): + while True: + try: + line = next(lines) + except StopIteration as err: + msg = f"Failed to find neighbor for node ({u})" + raise TypeError(msg) from err + p = line.find(comments) + if p >= 0: + line = line[:p] + if line: + break + vlist = line.strip().split(delimiter) + numb = len(vlist) + if numb < 1: + continue # isolated node + v = vlist.pop(0) + data = "".join(vlist) + if nodetype is not None: + try: + v = nodetype(v) + except BaseException as err: + raise TypeError( + f"Failed to convert node ({v}) to type {nodetype}" + ) from err + if edgetype is not None: + try: + edgedata = {"weight": edgetype(data)} + except BaseException as err: + raise TypeError( + f"Failed to convert edge data ({data}) to type {edgetype}" + ) from err + else: + try: # try to evaluate + edgedata = literal_eval(data) + except: + edgedata = {} + G.add_edge(u, v, **edgedata) + + return G + + +@open_file(0, mode="rb") +@nx._dispatchable(graphs=None, returns_graph=True) +def read_multiline_adjlist( + path, + comments="#", + delimiter=None, + create_using=None, + nodetype=None, + edgetype=None, + encoding="utf-8", +): + """Read graph in multi-line adjacency list format from path. + + Parameters + ---------- + path : string or file + Filename or file handle to read. + Filenames ending in .gz or .bz2 will be uncompressed. + + create_using : NetworkX graph constructor, optional (default=nx.Graph) + Graph type to create. If graph instance, then cleared before populated. + + nodetype : Python type, optional + Convert nodes to this type. + + edgetype : Python type, optional + Convert edge data to this type. + + comments : string, optional + Marker for comment lines + + delimiter : string, optional + Separator for node labels. The default is whitespace. + + Returns + ------- + G: NetworkX graph + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_multiline_adjlist(G, "test.adjlist") + >>> G = nx.read_multiline_adjlist("test.adjlist") + + The path can be a file or a string with the name of the file. If a + file s provided, it has to be opened in 'rb' mode. + + >>> fh = open("test.adjlist", "rb") + >>> G = nx.read_multiline_adjlist(fh) + + Filenames ending in .gz or .bz2 will be compressed. + + >>> nx.write_multiline_adjlist(G, "test.adjlist.gz") + >>> G = nx.read_multiline_adjlist("test.adjlist.gz") + + The optional nodetype is a function to convert node strings to nodetype. + + For example + + >>> G = nx.read_multiline_adjlist("test.adjlist", nodetype=int) + + will attempt to convert all nodes to integer type. + + The optional edgetype is a function to convert edge data strings to + edgetype. + + >>> G = nx.read_multiline_adjlist("test.adjlist") + + The optional create_using parameter is a NetworkX graph container. + The default is Graph(), an undirected graph. To read the data as + a directed graph use + + >>> G = nx.read_multiline_adjlist("test.adjlist", create_using=nx.DiGraph) + + Notes + ----- + This format does not store graph, node, or edge data. + + See Also + -------- + write_multiline_adjlist + """ + lines = (line.decode(encoding) for line in path) + return parse_multiline_adjlist( + lines, + comments=comments, + delimiter=delimiter, + create_using=create_using, + nodetype=nodetype, + edgetype=edgetype, + ) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/pajek.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/pajek.py new file mode 100644 index 0000000000000000000000000000000000000000..f148f16208de0d42fbcd52d24affeac98152e1f3 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/pajek.py @@ -0,0 +1,286 @@ +""" +***** +Pajek +***** +Read graphs in Pajek format. + +This implementation handles directed and undirected graphs including +those with self loops and parallel edges. + +Format +------ +See http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/draweps.htm +for format information. + +""" + +import warnings + +import networkx as nx +from networkx.utils import open_file + +__all__ = ["read_pajek", "parse_pajek", "generate_pajek", "write_pajek"] + + +def generate_pajek(G): + """Generate lines in Pajek graph format. + + Parameters + ---------- + G : graph + A Networkx graph + + References + ---------- + See http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/draweps.htm + for format information. + """ + if G.name == "": + name = "NetworkX" + else: + name = G.name + # Apparently many Pajek format readers can't process this line + # So we'll leave it out for now. + # yield '*network %s'%name + + # write nodes with attributes + yield f"*vertices {G.order()}" + nodes = list(G) + # make dictionary mapping nodes to integers + nodenumber = dict(zip(nodes, range(1, len(nodes) + 1))) + for n in nodes: + # copy node attributes and pop mandatory attributes + # to avoid duplication. + na = G.nodes.get(n, {}).copy() + x = na.pop("x", 0.0) + y = na.pop("y", 0.0) + try: + id = int(na.pop("id", nodenumber[n])) + except ValueError as err: + err.args += ( + ( + "Pajek format requires 'id' to be an int()." + " Refer to the 'Relabeling nodes' section." + ), + ) + raise + nodenumber[n] = id + shape = na.pop("shape", "ellipse") + s = " ".join(map(make_qstr, (id, n, x, y, shape))) + # only optional attributes are left in na. + for k, v in na.items(): + if isinstance(v, str) and v.strip() != "": + s += f" {make_qstr(k)} {make_qstr(v)}" + else: + warnings.warn( + f"Node attribute {k} is not processed. {('Empty attribute' if isinstance(v, str) else 'Non-string attribute')}." + ) + yield s + + # write edges with attributes + if G.is_directed(): + yield "*arcs" + else: + yield "*edges" + for u, v, edgedata in G.edges(data=True): + d = edgedata.copy() + value = d.pop("weight", 1.0) # use 1 as default edge value + s = " ".join(map(make_qstr, (nodenumber[u], nodenumber[v], value))) + for k, v in d.items(): + if isinstance(v, str) and v.strip() != "": + s += f" {make_qstr(k)} {make_qstr(v)}" + else: + warnings.warn( + f"Edge attribute {k} is not processed. {('Empty attribute' if isinstance(v, str) else 'Non-string attribute')}." + ) + yield s + + +@open_file(1, mode="wb") +def write_pajek(G, path, encoding="UTF-8"): + """Write graph in Pajek format to path. + + Parameters + ---------- + G : graph + A Networkx graph + path : file or string + File or filename to write. + Filenames ending in .gz or .bz2 will be compressed. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_pajek(G, "test.net") + + Warnings + -------- + Optional node attributes and edge attributes must be non-empty strings. + Otherwise it will not be written into the file. You will need to + convert those attributes to strings if you want to keep them. + + References + ---------- + See http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/draweps.htm + for format information. + """ + for line in generate_pajek(G): + line += "\n" + path.write(line.encode(encoding)) + + +@open_file(0, mode="rb") +@nx._dispatchable(graphs=None, returns_graph=True) +def read_pajek(path, encoding="UTF-8"): + """Read graph in Pajek format from path. + + Parameters + ---------- + path : file or string + File or filename to write. + Filenames ending in .gz or .bz2 will be uncompressed. + + Returns + ------- + G : NetworkX MultiGraph or MultiDiGraph. + + Examples + -------- + >>> G = nx.path_graph(4) + >>> nx.write_pajek(G, "test.net") + >>> G = nx.read_pajek("test.net") + + To create a Graph instead of a MultiGraph use + + >>> G1 = nx.Graph(G) + + References + ---------- + See http://vlado.fmf.uni-lj.si/pub/networks/pajek/doc/draweps.htm + for format information. + """ + lines = (line.decode(encoding) for line in path) + return parse_pajek(lines) + + +@nx._dispatchable(graphs=None, returns_graph=True) +def parse_pajek(lines): + """Parse Pajek format graph from string or iterable. + + Parameters + ---------- + lines : string or iterable + Data in Pajek format. + + Returns + ------- + G : NetworkX graph + + See Also + -------- + read_pajek + + """ + import shlex + + # multigraph=False + if isinstance(lines, str): + lines = iter(lines.split("\n")) + lines = iter([line.rstrip("\n") for line in lines]) + G = nx.MultiDiGraph() # are multiedges allowed in Pajek? assume yes + labels = [] # in the order of the file, needed for matrix + while lines: + try: + l = next(lines) + except: # EOF + break + if l.lower().startswith("*network"): + try: + label, name = l.split(None, 1) + except ValueError: + # Line was not of the form: *network NAME + pass + else: + G.graph["name"] = name + elif l.lower().startswith("*vertices"): + nodelabels = {} + l, nnodes = l.split() + for i in range(int(nnodes)): + l = next(lines) + try: + splitline = [ + x.decode("utf-8") for x in shlex.split(str(l).encode("utf-8")) + ] + except AttributeError: + splitline = shlex.split(str(l)) + id, label = splitline[0:2] + labels.append(label) + G.add_node(label) + nodelabels[id] = label + G.nodes[label]["id"] = id + try: + x, y, shape = splitline[2:5] + G.nodes[label].update( + {"x": float(x), "y": float(y), "shape": shape} + ) + except: + pass + extra_attr = zip(splitline[5::2], splitline[6::2]) + G.nodes[label].update(extra_attr) + elif l.lower().startswith("*edges") or l.lower().startswith("*arcs"): + if l.lower().startswith("*edge"): + # switch from multidigraph to multigraph + G = nx.MultiGraph(G) + if l.lower().startswith("*arcs"): + # switch to directed with multiple arcs for each existing edge + G = G.to_directed() + for l in lines: + try: + splitline = [ + x.decode("utf-8") for x in shlex.split(str(l).encode("utf-8")) + ] + except AttributeError: + splitline = shlex.split(str(l)) + + if len(splitline) < 2: + continue + ui, vi = splitline[0:2] + u = nodelabels.get(ui, ui) + v = nodelabels.get(vi, vi) + # parse the data attached to this edge and put in a dictionary + edge_data = {} + try: + # there should always be a single value on the edge? + w = splitline[2:3] + edge_data.update({"weight": float(w[0])}) + except: + pass + # if there isn't, just assign a 1 + # edge_data.update({'value':1}) + extra_attr = zip(splitline[3::2], splitline[4::2]) + edge_data.update(extra_attr) + # if G.has_edge(u,v): + # multigraph=True + G.add_edge(u, v, **edge_data) + elif l.lower().startswith("*matrix"): + G = nx.DiGraph(G) + adj_list = ( + (labels[row], labels[col], {"weight": int(data)}) + for (row, line) in enumerate(lines) + for (col, data) in enumerate(line.split()) + if int(data) != 0 + ) + G.add_edges_from(adj_list) + + return G + + +def make_qstr(t): + """Returns the string representation of t. + Add outer double-quotes if the string has a space. + """ + if not isinstance(t, str): + t = str(t) + if " " in t: + t = f'"{t}"' + return t diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/sparse6.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/sparse6.py new file mode 100644 index 0000000000000000000000000000000000000000..a705994389594e300b77fa5869e06e9403a57d5b --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/sparse6.py @@ -0,0 +1,376 @@ +# Original author: D. Eppstein, UC Irvine, August 12, 2003. +# The original code at https://www.ics.uci.edu/~eppstein/PADS/ is public domain. +"""Functions for reading and writing graphs in the *sparse6* format. + +The *sparse6* file format is a space-efficient format for large sparse +graphs. For small graphs or large dense graphs, use the *graph6* file +format. + +For more information, see the `sparse6`_ homepage. + +.. _sparse6: https://users.cecs.anu.edu.au/~bdm/data/formats.html + +""" +import networkx as nx +from networkx.exception import NetworkXError +from networkx.readwrite.graph6 import data_to_n, n_to_data +from networkx.utils import not_implemented_for, open_file + +__all__ = ["from_sparse6_bytes", "read_sparse6", "to_sparse6_bytes", "write_sparse6"] + + +def _generate_sparse6_bytes(G, nodes, header): + """Yield bytes in the sparse6 encoding of a graph. + + `G` is an undirected simple graph. `nodes` is the list of nodes for + which the node-induced subgraph will be encoded; if `nodes` is the + list of all nodes in the graph, the entire graph will be + encoded. `header` is a Boolean that specifies whether to generate + the header ``b'>>sparse6<<'`` before the remaining data. + + This function generates `bytes` objects in the following order: + + 1. the header (if requested), + 2. the encoding of the number of nodes, + 3. each character, one-at-a-time, in the encoding of the requested + node-induced subgraph, + 4. a newline character. + + This function raises :exc:`ValueError` if the graph is too large for + the graph6 format (that is, greater than ``2 ** 36`` nodes). + + """ + n = len(G) + if n >= 2**36: + raise ValueError( + "sparse6 is only defined if number of nodes is less than 2 ** 36" + ) + if header: + yield b">>sparse6<<" + yield b":" + for d in n_to_data(n): + yield str.encode(chr(d + 63)) + + k = 1 + while 1 << k < n: + k += 1 + + def enc(x): + """Big endian k-bit encoding of x""" + return [1 if (x & 1 << (k - 1 - i)) else 0 for i in range(k)] + + edges = sorted((max(u, v), min(u, v)) for u, v in G.edges()) + bits = [] + curv = 0 + for v, u in edges: + if v == curv: # current vertex edge + bits.append(0) + bits.extend(enc(u)) + elif v == curv + 1: # next vertex edge + curv += 1 + bits.append(1) + bits.extend(enc(u)) + else: # skip to vertex v and then add edge to u + curv = v + bits.append(1) + bits.extend(enc(v)) + bits.append(0) + bits.extend(enc(u)) + if k < 6 and n == (1 << k) and ((-len(bits)) % 6) >= k and curv < (n - 1): + # Padding special case: small k, n=2^k, + # more than k bits of padding needed, + # current vertex is not (n-1) -- + # appending 1111... would add a loop on (n-1) + bits.append(0) + bits.extend([1] * ((-len(bits)) % 6)) + else: + bits.extend([1] * ((-len(bits)) % 6)) + + data = [ + (bits[i + 0] << 5) + + (bits[i + 1] << 4) + + (bits[i + 2] << 3) + + (bits[i + 3] << 2) + + (bits[i + 4] << 1) + + (bits[i + 5] << 0) + for i in range(0, len(bits), 6) + ] + + for d in data: + yield str.encode(chr(d + 63)) + yield b"\n" + + +@nx._dispatchable(graphs=None, returns_graph=True) +def from_sparse6_bytes(string): + """Read an undirected graph in sparse6 format from string. + + Parameters + ---------- + string : string + Data in sparse6 format + + Returns + ------- + G : Graph + + Raises + ------ + NetworkXError + If the string is unable to be parsed in sparse6 format + + Examples + -------- + >>> G = nx.from_sparse6_bytes(b":A_") + >>> sorted(G.edges()) + [(0, 1), (0, 1), (0, 1)] + + See Also + -------- + read_sparse6, write_sparse6 + + References + ---------- + .. [1] Sparse6 specification + + + """ + if string.startswith(b">>sparse6<<"): + string = string[11:] + if not string.startswith(b":"): + raise NetworkXError("Expected leading colon in sparse6") + + chars = [c - 63 for c in string[1:]] + n, data = data_to_n(chars) + k = 1 + while 1 << k < n: + k += 1 + + def parseData(): + """Returns stream of pairs b[i], x[i] for sparse6 format.""" + chunks = iter(data) + d = None # partial data word + dLen = 0 # how many unparsed bits are left in d + + while 1: + if dLen < 1: + try: + d = next(chunks) + except StopIteration: + return + dLen = 6 + dLen -= 1 + b = (d >> dLen) & 1 # grab top remaining bit + + x = d & ((1 << dLen) - 1) # partially built up value of x + xLen = dLen # how many bits included so far in x + while xLen < k: # now grab full chunks until we have enough + try: + d = next(chunks) + except StopIteration: + return + dLen = 6 + x = (x << 6) + d + xLen += 6 + x = x >> (xLen - k) # shift back the extra bits + dLen = xLen - k + yield b, x + + v = 0 + + G = nx.MultiGraph() + G.add_nodes_from(range(n)) + + multigraph = False + for b, x in parseData(): + if b == 1: + v += 1 + # padding with ones can cause overlarge number here + if x >= n or v >= n: + break + elif x > v: + v = x + else: + if G.has_edge(x, v): + multigraph = True + G.add_edge(x, v) + if not multigraph: + G = nx.Graph(G) + return G + + +def to_sparse6_bytes(G, nodes=None, header=True): + """Convert an undirected graph to bytes in sparse6 format. + + Parameters + ---------- + G : Graph (undirected) + + nodes: list or iterable + Nodes are labeled 0...n-1 in the order provided. If None the ordering + given by ``G.nodes()`` is used. + + header: bool + If True add '>>sparse6<<' bytes to head of data. + + Raises + ------ + NetworkXNotImplemented + If the graph is directed. + + ValueError + If the graph has at least ``2 ** 36`` nodes; the sparse6 format + is only defined for graphs of order less than ``2 ** 36``. + + Examples + -------- + >>> nx.to_sparse6_bytes(nx.path_graph(2)) + b'>>sparse6<<:An\\n' + + See Also + -------- + to_sparse6_bytes, read_sparse6, write_sparse6_bytes + + Notes + ----- + The returned bytes end with a newline character. + + The format does not support edge or node labels. + + References + ---------- + .. [1] Graph6 specification + + + """ + if nodes is not None: + G = G.subgraph(nodes) + G = nx.convert_node_labels_to_integers(G, ordering="sorted") + return b"".join(_generate_sparse6_bytes(G, nodes, header)) + + +@open_file(0, mode="rb") +@nx._dispatchable(graphs=None, returns_graph=True) +def read_sparse6(path): + """Read an undirected graph in sparse6 format from path. + + Parameters + ---------- + path : file or string + File or filename to write. + + Returns + ------- + G : Graph/Multigraph or list of Graphs/MultiGraphs + If the file contains multiple lines then a list of graphs is returned + + Raises + ------ + NetworkXError + If the string is unable to be parsed in sparse6 format + + Examples + -------- + You can read a sparse6 file by giving the path to the file:: + + >>> import tempfile + >>> with tempfile.NamedTemporaryFile(delete=False) as f: + ... _ = f.write(b">>sparse6<<:An\\n") + ... _ = f.seek(0) + ... G = nx.read_sparse6(f.name) + >>> list(G.edges()) + [(0, 1)] + + You can also read a sparse6 file by giving an open file-like object:: + + >>> import tempfile + >>> with tempfile.NamedTemporaryFile() as f: + ... _ = f.write(b">>sparse6<<:An\\n") + ... _ = f.seek(0) + ... G = nx.read_sparse6(f) + >>> list(G.edges()) + [(0, 1)] + + See Also + -------- + read_sparse6, from_sparse6_bytes + + References + ---------- + .. [1] Sparse6 specification + + + """ + glist = [] + for line in path: + line = line.strip() + if not len(line): + continue + glist.append(from_sparse6_bytes(line)) + if len(glist) == 1: + return glist[0] + else: + return glist + + +@not_implemented_for("directed") +@open_file(1, mode="wb") +def write_sparse6(G, path, nodes=None, header=True): + """Write graph G to given path in sparse6 format. + + Parameters + ---------- + G : Graph (undirected) + + path : file or string + File or filename to write + + nodes: list or iterable + Nodes are labeled 0...n-1 in the order provided. If None the ordering + given by G.nodes() is used. + + header: bool + If True add '>>sparse6<<' string to head of data + + Raises + ------ + NetworkXError + If the graph is directed + + Examples + -------- + You can write a sparse6 file by giving the path to the file:: + + >>> import tempfile + >>> with tempfile.NamedTemporaryFile(delete=False) as f: + ... nx.write_sparse6(nx.path_graph(2), f.name) + ... print(f.read()) + b'>>sparse6<<:An\\n' + + You can also write a sparse6 file by giving an open file-like object:: + + >>> with tempfile.NamedTemporaryFile() as f: + ... nx.write_sparse6(nx.path_graph(2), f) + ... _ = f.seek(0) + ... print(f.read()) + b'>>sparse6<<:An\\n' + + See Also + -------- + read_sparse6, from_sparse6_bytes + + Notes + ----- + The format does not support edge or node labels. + + References + ---------- + .. 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graphs_equal, nodes_equal + + +class TestAdjlist: + @classmethod + def setup_class(cls): + cls.G = nx.Graph(name="test") + e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] + cls.G.add_edges_from(e) + cls.G.add_node("g") + cls.DG = nx.DiGraph(cls.G) + cls.XG = nx.MultiGraph() + cls.XG.add_weighted_edges_from([(1, 2, 5), (1, 2, 5), (1, 2, 1), (3, 3, 42)]) + cls.XDG = nx.MultiDiGraph(cls.XG) + + def test_read_multiline_adjlist_1(self): + # Unit test for https://networkx.lanl.gov/trac/ticket/252 + s = b"""# comment line +1 2 +# comment line +2 +3 +""" + bytesIO = io.BytesIO(s) + G = nx.read_multiline_adjlist(bytesIO) + adj = {"1": {"3": {}, "2": {}}, "3": {"1": {}}, "2": {"1": {}}} + assert graphs_equal(G, nx.Graph(adj)) + + def test_unicode(self, tmp_path): + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + G.add_edge(name1, "Radiohead", **{name2: 3}) + + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist(fname) + assert graphs_equal(G, H) + + def test_latin1_err(self, tmp_path): + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + G.add_edge(name1, "Radiohead", **{name2: 3}) + fname = tmp_path / "adjlist.txt" + with pytest.raises(UnicodeEncodeError): + nx.write_multiline_adjlist(G, fname, encoding="latin-1") + + def test_latin1(self, tmp_path): + G = nx.Graph() + name1 = "Bj" + chr(246) + "rk" + name2 = chr(220) + "ber" + G.add_edge(name1, "Radiohead", **{name2: 3}) + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname, encoding="latin-1") + H = nx.read_multiline_adjlist(fname, encoding="latin-1") + assert graphs_equal(G, H) + + def test_parse_adjlist(self): + lines = ["1 2 5", "2 3 4", "3 5", "4", "5"] + nx.parse_adjlist(lines, nodetype=int) # smoke test + with pytest.raises(TypeError): + nx.parse_adjlist(lines, nodetype="int") + lines = ["1 2 5", "2 b", "c"] + with pytest.raises(TypeError): + nx.parse_adjlist(lines, nodetype=int) + + def test_adjlist_graph(self, tmp_path): + G = self.G + fname = tmp_path / "adjlist.txt" + nx.write_adjlist(G, fname) + H = nx.read_adjlist(fname) + H2 = nx.read_adjlist(fname) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_adjlist_digraph(self, tmp_path): + G = self.DG + fname = tmp_path / "adjlist.txt" + nx.write_adjlist(G, fname) + H = nx.read_adjlist(fname, create_using=nx.DiGraph()) + H2 = nx.read_adjlist(fname, create_using=nx.DiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_adjlist_integers(self, tmp_path): + fname = tmp_path / "adjlist.txt" + G = nx.convert_node_labels_to_integers(self.G) + nx.write_adjlist(G, fname) + H = nx.read_adjlist(fname, nodetype=int) + H2 = nx.read_adjlist(fname, nodetype=int) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_adjlist_multigraph(self, tmp_path): + G = self.XG + fname = tmp_path / "adjlist.txt" + nx.write_adjlist(G, fname) + H = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) + H2 = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_adjlist_multidigraph(self, tmp_path): + G = self.XDG + fname = tmp_path / "adjlist.txt" + nx.write_adjlist(G, fname) + H = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiDiGraph()) + H2 = nx.read_adjlist(fname, nodetype=int, create_using=nx.MultiDiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_adjlist_delimiter(self): + fh = io.BytesIO() + G = nx.path_graph(3) + nx.write_adjlist(G, fh, delimiter=":") + fh.seek(0) + H = nx.read_adjlist(fh, nodetype=int, delimiter=":") + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + +class TestMultilineAdjlist: + @classmethod + def setup_class(cls): + cls.G = nx.Graph(name="test") + e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] + cls.G.add_edges_from(e) + cls.G.add_node("g") + cls.DG = nx.DiGraph(cls.G) + cls.DG.remove_edge("b", "a") + cls.DG.remove_edge("b", "c") + cls.XG = nx.MultiGraph() + cls.XG.add_weighted_edges_from([(1, 2, 5), (1, 2, 5), (1, 2, 1), (3, 3, 42)]) + cls.XDG = nx.MultiDiGraph(cls.XG) + + def test_parse_multiline_adjlist(self): + lines = [ + "1 2", + "b {'weight':3, 'name': 'Frodo'}", + "c {}", + "d 1", + "e {'weight':6, 'name': 'Saruman'}", + ] + nx.parse_multiline_adjlist(iter(lines)) # smoke test + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines), nodetype=int) + nx.parse_multiline_adjlist(iter(lines), edgetype=str) # smoke test + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines), nodetype=int) + lines = ["1 a"] + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines)) + lines = ["a 2"] + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines), nodetype=int) + lines = ["1 2"] + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines)) + lines = ["1 2", "2 {}"] + with pytest.raises(TypeError): + nx.parse_multiline_adjlist(iter(lines)) + + def test_multiline_adjlist_graph(self, tmp_path): + G = self.G + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist(fname) + H2 = nx.read_multiline_adjlist(fname) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_multiline_adjlist_digraph(self, tmp_path): + G = self.DG + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist(fname, create_using=nx.DiGraph()) + H2 = nx.read_multiline_adjlist(fname, create_using=nx.DiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_multiline_adjlist_integers(self, tmp_path): + fname = tmp_path / "adjlist.txt" + G = nx.convert_node_labels_to_integers(self.G) + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist(fname, nodetype=int) + H2 = nx.read_multiline_adjlist(fname, nodetype=int) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_multiline_adjlist_multigraph(self, tmp_path): + G = self.XG + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist(fname, nodetype=int, create_using=nx.MultiGraph()) + H2 = nx.read_multiline_adjlist( + fname, nodetype=int, create_using=nx.MultiGraph() + ) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_multiline_adjlist_multidigraph(self, tmp_path): + G = self.XDG + fname = tmp_path / "adjlist.txt" + nx.write_multiline_adjlist(G, fname) + H = nx.read_multiline_adjlist( + fname, nodetype=int, create_using=nx.MultiDiGraph() + ) + H2 = nx.read_multiline_adjlist( + fname, nodetype=int, create_using=nx.MultiDiGraph() + ) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_multiline_adjlist_delimiter(self): + fh = io.BytesIO() + G = nx.path_graph(3) + nx.write_multiline_adjlist(G, fh, delimiter=":") + fh.seek(0) + H = nx.read_multiline_adjlist(fh, nodetype=int, delimiter=":") + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_edgelist.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_edgelist.py new file mode 100644 index 0000000000000000000000000000000000000000..29a536d53e95e3448efa5f7c65ff1fb2cb8b0ba5 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_edgelist.py @@ -0,0 +1,296 @@ +""" + Unit tests for edgelists. +""" +import io +import textwrap + +import pytest + +import networkx as nx +from networkx.utils import edges_equal, graphs_equal, nodes_equal + +edges_no_data = textwrap.dedent( + """ + # comment line + 1 2 + # comment line + 2 3 + """ +) + + +edges_with_values = textwrap.dedent( + """ + # comment line + 1 2 2.0 + # comment line + 2 3 3.0 + """ +) + + +edges_with_weight = textwrap.dedent( + """ + # comment line + 1 2 {'weight':2.0} + # comment line + 2 3 {'weight':3.0} + """ +) + + +edges_with_multiple_attrs = textwrap.dedent( + """ + # comment line + 1 2 {'weight':2.0, 'color':'green'} + # comment line + 2 3 {'weight':3.0, 'color':'red'} + """ +) + + +edges_with_multiple_attrs_csv = textwrap.dedent( + """ + # comment line + 1, 2, {'weight':2.0, 'color':'green'} + # comment line + 2, 3, {'weight':3.0, 'color':'red'} + """ +) + + +_expected_edges_weights = [(1, 2, {"weight": 2.0}), (2, 3, {"weight": 3.0})] +_expected_edges_multiattr = [ + (1, 2, {"weight": 2.0, "color": "green"}), + (2, 3, {"weight": 3.0, "color": "red"}), +] + + +@pytest.mark.parametrize( + ("data", "extra_kwargs"), + ( + (edges_no_data, {}), + (edges_with_values, {}), + (edges_with_weight, {}), + (edges_with_multiple_attrs, {}), + (edges_with_multiple_attrs_csv, {"delimiter": ","}), + ), +) +def test_read_edgelist_no_data(data, extra_kwargs): + bytesIO = io.BytesIO(data.encode("utf-8")) + G = nx.read_edgelist(bytesIO, nodetype=int, data=False, **extra_kwargs) + assert edges_equal(G.edges(), [(1, 2), (2, 3)]) + + +def test_read_weighted_edgelist(): + bytesIO = io.BytesIO(edges_with_values.encode("utf-8")) + G = nx.read_weighted_edgelist(bytesIO, nodetype=int) + assert edges_equal(G.edges(data=True), _expected_edges_weights) + + +@pytest.mark.parametrize( + ("data", "extra_kwargs", "expected"), + ( + (edges_with_weight, {}, _expected_edges_weights), + (edges_with_multiple_attrs, {}, _expected_edges_multiattr), + (edges_with_multiple_attrs_csv, {"delimiter": ","}, _expected_edges_multiattr), + ), +) +def test_read_edgelist_with_data(data, extra_kwargs, expected): + bytesIO = io.BytesIO(data.encode("utf-8")) + G = nx.read_edgelist(bytesIO, nodetype=int, **extra_kwargs) + assert edges_equal(G.edges(data=True), expected) + + +@pytest.fixture +def example_graph(): + G = nx.Graph() + G.add_weighted_edges_from([(1, 2, 3.0), (2, 3, 27.0), (3, 4, 3.0)]) + return G + + +def test_parse_edgelist_no_data(example_graph): + G = example_graph + H = nx.parse_edgelist(["1 2", "2 3", "3 4"], nodetype=int) + assert nodes_equal(G.nodes, H.nodes) + assert edges_equal(G.edges, H.edges) + + +def test_parse_edgelist_with_data_dict(example_graph): + G = example_graph + H = nx.parse_edgelist( + ["1 2 {'weight': 3}", "2 3 {'weight': 27}", "3 4 {'weight': 3.0}"], nodetype=int + ) + assert nodes_equal(G.nodes, H.nodes) + assert edges_equal(G.edges(data=True), H.edges(data=True)) + + +def test_parse_edgelist_with_data_list(example_graph): + G = example_graph + H = nx.parse_edgelist( + ["1 2 3", "2 3 27", "3 4 3.0"], nodetype=int, data=(("weight", float),) + ) + assert nodes_equal(G.nodes, H.nodes) + assert edges_equal(G.edges(data=True), H.edges(data=True)) + + +def test_parse_edgelist(): + # ignore lines with less than 2 nodes + lines = ["1;2", "2 3", "3 4"] + G = nx.parse_edgelist(lines, nodetype=int) + assert list(G.edges()) == [(2, 3), (3, 4)] + # unknown nodetype + with pytest.raises(TypeError, match="Failed to convert nodes"): + lines = ["1 2", "2 3", "3 4"] + nx.parse_edgelist(lines, nodetype="nope") + # lines have invalid edge format + with pytest.raises(TypeError, match="Failed to convert edge data"): + lines = ["1 2 3", "2 3", "3 4"] + nx.parse_edgelist(lines, nodetype=int) + # edge data and data_keys not the same length + with pytest.raises(IndexError, match="not the same length"): + lines = ["1 2 3", "2 3 27", "3 4 3.0"] + nx.parse_edgelist( + lines, nodetype=int, data=(("weight", float), ("capacity", int)) + ) + # edge data can't be converted to edge type + with pytest.raises(TypeError, match="Failed to convert"): + lines = ["1 2 't1'", "2 3 't3'", "3 4 't3'"] + nx.parse_edgelist(lines, nodetype=int, data=(("weight", float),)) + + +def test_comments_None(): + edgelist = ["node#1 node#2", "node#2 node#3"] + # comments=None supported to ignore all comment characters + G = nx.parse_edgelist(edgelist, comments=None) + H = nx.Graph([e.split(" ") for e in edgelist]) + assert edges_equal(G.edges, H.edges) + + +class TestEdgelist: + @classmethod + def setup_class(cls): + cls.G = nx.Graph(name="test") + e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] + cls.G.add_edges_from(e) + cls.G.add_node("g") + cls.DG = nx.DiGraph(cls.G) + cls.XG = nx.MultiGraph() + cls.XG.add_weighted_edges_from([(1, 2, 5), (1, 2, 5), (1, 2, 1), (3, 3, 42)]) + cls.XDG = nx.MultiDiGraph(cls.XG) + + def test_write_edgelist_1(self): + fh = io.BytesIO() + G = nx.Graph() + G.add_edges_from([(1, 2), (2, 3)]) + nx.write_edgelist(G, fh, data=False) + fh.seek(0) + assert fh.read() == b"1 2\n2 3\n" + + def test_write_edgelist_2(self): + fh = io.BytesIO() + G = nx.Graph() + G.add_edges_from([(1, 2), (2, 3)]) + nx.write_edgelist(G, fh, data=True) + fh.seek(0) + assert fh.read() == b"1 2 {}\n2 3 {}\n" + + def test_write_edgelist_3(self): + fh = io.BytesIO() + G = nx.Graph() + G.add_edge(1, 2, weight=2.0) + G.add_edge(2, 3, weight=3.0) + nx.write_edgelist(G, fh, data=True) + fh.seek(0) + assert fh.read() == b"1 2 {'weight': 2.0}\n2 3 {'weight': 3.0}\n" + + def test_write_edgelist_4(self): + fh = io.BytesIO() + G = nx.Graph() + G.add_edge(1, 2, weight=2.0) + G.add_edge(2, 3, weight=3.0) + nx.write_edgelist(G, fh, data=[("weight")]) + fh.seek(0) + assert fh.read() == b"1 2 2.0\n2 3 3.0\n" + + def test_unicode(self, tmp_path): + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + G.add_edge(name1, "Radiohead", **{name2: 3}) + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname) + assert graphs_equal(G, H) + + def test_latin1_issue(self, tmp_path): + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + G.add_edge(name1, "Radiohead", **{name2: 3}) + fname = tmp_path / "el.txt" + with pytest.raises(UnicodeEncodeError): + nx.write_edgelist(G, fname, encoding="latin-1") + + def test_latin1(self, tmp_path): + G = nx.Graph() + name1 = "Bj" + chr(246) + "rk" + name2 = chr(220) + "ber" + G.add_edge(name1, "Radiohead", **{name2: 3}) + fname = tmp_path / "el.txt" + + nx.write_edgelist(G, fname, encoding="latin-1") + H = nx.read_edgelist(fname, encoding="latin-1") + assert graphs_equal(G, H) + + def test_edgelist_graph(self, tmp_path): + G = self.G + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname) + H2 = nx.read_edgelist(fname) + assert H is not H2 # they should be different graphs + G.remove_node("g") # isolated nodes are not written in edgelist + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_edgelist_digraph(self, tmp_path): + G = self.DG + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname, create_using=nx.DiGraph()) + H2 = nx.read_edgelist(fname, create_using=nx.DiGraph()) + assert H is not H2 # they should be different graphs + G.remove_node("g") # isolated nodes are not written in edgelist + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_edgelist_integers(self, tmp_path): + G = nx.convert_node_labels_to_integers(self.G) + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname, nodetype=int) + # isolated nodes are not written in edgelist + G.remove_nodes_from(list(nx.isolates(G))) + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_edgelist_multigraph(self, tmp_path): + G = self.XG + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname, nodetype=int, create_using=nx.MultiGraph()) + H2 = nx.read_edgelist(fname, nodetype=int, create_using=nx.MultiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) + + def test_edgelist_multidigraph(self, tmp_path): + G = self.XDG + fname = tmp_path / "el.txt" + nx.write_edgelist(G, fname) + H = nx.read_edgelist(fname, nodetype=int, create_using=nx.MultiDiGraph()) + H2 = nx.read_edgelist(fname, nodetype=int, create_using=nx.MultiDiGraph()) + assert H is not H2 # they should be different graphs + assert nodes_equal(list(H), list(G)) + assert edges_equal(list(H.edges()), list(G.edges())) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gexf.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gexf.py new file mode 100644 index 0000000000000000000000000000000000000000..6ff14c99b1d5df41003b705b840a0968e0439239 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gexf.py @@ -0,0 +1,557 @@ +import io +import time + +import pytest + +import networkx as nx + + +class TestGEXF: + @classmethod + def setup_class(cls): + cls.simple_directed_data = """ + + + + + + + + + + + +""" + cls.simple_directed_graph = nx.DiGraph() + cls.simple_directed_graph.add_node("0", label="Hello") + cls.simple_directed_graph.add_node("1", label="World") + cls.simple_directed_graph.add_edge("0", "1", id="0") + + cls.simple_directed_fh = io.BytesIO(cls.simple_directed_data.encode("UTF-8")) + + cls.attribute_data = """\ + + + Gephi.org + A Web network + + + + + + + true + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +""" + cls.attribute_graph = nx.DiGraph() + cls.attribute_graph.graph["node_default"] = {"frog": True} + cls.attribute_graph.add_node( + "0", label="Gephi", url="https://gephi.org", indegree=1, frog=False + ) + cls.attribute_graph.add_node( + "1", label="Webatlas", url="http://webatlas.fr", indegree=2, frog=False + ) + cls.attribute_graph.add_node( + "2", label="RTGI", url="http://rtgi.fr", indegree=1, frog=True + ) + cls.attribute_graph.add_node( + "3", + label="BarabasiLab", + url="http://barabasilab.com", + indegree=1, + frog=True, + ) + cls.attribute_graph.add_edge("0", "1", id="0", label="foo") + cls.attribute_graph.add_edge("0", "2", id="1") + cls.attribute_graph.add_edge("1", "0", id="2") + cls.attribute_graph.add_edge("2", "1", id="3") + cls.attribute_graph.add_edge("0", "3", id="4") + cls.attribute_fh = io.BytesIO(cls.attribute_data.encode("UTF-8")) + + cls.simple_undirected_data = """ + + + + + + + + + + + +""" + cls.simple_undirected_graph = nx.Graph() + cls.simple_undirected_graph.add_node("0", label="Hello") + cls.simple_undirected_graph.add_node("1", label="World") + cls.simple_undirected_graph.add_edge("0", "1", id="0") + + cls.simple_undirected_fh = io.BytesIO( + cls.simple_undirected_data.encode("UTF-8") + ) + + def test_read_simple_directed_graphml(self): + G = self.simple_directed_graph + H = nx.read_gexf(self.simple_directed_fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(G.edges()) == sorted(H.edges()) + assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) + self.simple_directed_fh.seek(0) + + def test_write_read_simple_directed_graphml(self): + G = self.simple_directed_graph + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(G.edges()) == sorted(H.edges()) + assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) + self.simple_directed_fh.seek(0) + + def test_read_simple_undirected_graphml(self): + G = self.simple_undirected_graph + H = nx.read_gexf(self.simple_undirected_fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + self.simple_undirected_fh.seek(0) + + def test_read_attribute_graphml(self): + G = self.attribute_graph + H = nx.read_gexf(self.attribute_fh) + assert sorted(G.nodes(True)) == sorted(H.nodes(data=True)) + ge = sorted(G.edges(data=True)) + he = sorted(H.edges(data=True)) + for a, b in zip(ge, he): + assert a == b + self.attribute_fh.seek(0) + + def test_directed_edge_in_undirected(self): + s = """ + + + + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_gexf, fh) + + def test_undirected_edge_in_directed(self): + s = """ + + + + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_gexf, fh) + + def test_key_raises(self): + s = """ + + + + + + + + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_gexf, fh) + + def test_relabel(self): + s = """ + + + + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_gexf(fh, relabel=True) + assert sorted(G.nodes()) == ["Hello", "Word"] + + def test_default_attribute(self): + G = nx.Graph() + G.add_node(1, label="1", color="green") + nx.add_path(G, [0, 1, 2, 3]) + G.add_edge(1, 2, foo=3) + G.graph["node_default"] = {"color": "yellow"} + G.graph["edge_default"] = {"foo": 7} + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + # Reading a gexf graph always sets mode attribute to either + # 'static' or 'dynamic'. Remove the mode attribute from the + # read graph for the sake of comparing remaining attributes. + del H.graph["mode"] + assert G.graph == H.graph + + def test_serialize_ints_to_strings(self): + G = nx.Graph() + G.add_node(1, id=7, label=77) + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert list(H) == [7] + assert H.nodes[7]["label"] == "77" + + def test_write_with_node_attributes(self): + # Addresses #673. + G = nx.Graph() + G.add_edges_from([(0, 1), (1, 2), (2, 3)]) + for i in range(4): + G.nodes[i]["id"] = i + G.nodes[i]["label"] = i + G.nodes[i]["pid"] = i + G.nodes[i]["start"] = i + G.nodes[i]["end"] = i + 1 + + expected = f""" + + NetworkX {nx.__version__} + + + + + + + + + + + + + + +""" + obtained = "\n".join(nx.generate_gexf(G)) + assert expected == obtained + + def test_edge_id_construct(self): + G = nx.Graph() + G.add_edges_from([(0, 1, {"id": 0}), (1, 2, {"id": 2}), (2, 3)]) + + expected = f""" + + NetworkX {nx.__version__} + + + + + + + + + + + + + + +""" + + obtained = "\n".join(nx.generate_gexf(G)) + assert expected == obtained + + def test_numpy_type(self): + np = pytest.importorskip("numpy") + G = nx.path_graph(4) + nx.set_node_attributes(G, {n: n for n in np.arange(4)}, "number") + G[0][1]["edge-number"] = np.float64(1.1) + + expected = f""" + + NetworkX {nx.__version__} + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +""" + obtained = "\n".join(nx.generate_gexf(G)) + assert expected == obtained + + def test_bool(self): + G = nx.Graph() + G.add_node(1, testattr=True) + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert H.nodes[1]["testattr"] + + # Test for NaN, INF and -INF + def test_specials(self): + from math import isnan + + inf, nan = float("inf"), float("nan") + G = nx.Graph() + G.add_node(1, testattr=inf, strdata="inf", key="a") + G.add_node(2, testattr=nan, strdata="nan", key="b") + G.add_node(3, testattr=-inf, strdata="-inf", key="c") + + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + filetext = fh.read() + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + + assert b"INF" in filetext + assert b"NaN" in filetext + assert b"-INF" in filetext + + assert H.nodes[1]["testattr"] == inf + assert isnan(H.nodes[2]["testattr"]) + assert H.nodes[3]["testattr"] == -inf + + assert H.nodes[1]["strdata"] == "inf" + assert H.nodes[2]["strdata"] == "nan" + assert H.nodes[3]["strdata"] == "-inf" + + assert H.nodes[1]["networkx_key"] == "a" + assert H.nodes[2]["networkx_key"] == "b" + assert H.nodes[3]["networkx_key"] == "c" + + def test_simple_list(self): + G = nx.Graph() + list_value = [(1, 2, 3), (9, 1, 2)] + G.add_node(1, key=list_value) + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert H.nodes[1]["networkx_key"] == list_value + + def test_dynamic_mode(self): + G = nx.Graph() + G.add_node(1, label="1", color="green") + G.graph["mode"] = "dynamic" + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + def test_multigraph_with_missing_attributes(self): + G = nx.MultiGraph() + G.add_node(0, label="1", color="green") + G.add_node(1, label="2", color="green") + G.add_edge(0, 1, id="0", weight=3, type="undirected", start=0, end=1) + G.add_edge(0, 1, id="1", label="foo", start=0, end=1) + G.add_edge(0, 1) + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + def test_missing_viz_attributes(self): + G = nx.Graph() + G.add_node(0, label="1", color="green") + G.nodes[0]["viz"] = {"size": 54} + G.nodes[0]["viz"]["position"] = {"x": 0, "y": 1, "z": 0} + G.nodes[0]["viz"]["color"] = {"r": 0, "g": 0, "b": 256} + G.nodes[0]["viz"]["shape"] = "http://random.url" + G.nodes[0]["viz"]["thickness"] = 2 + fh = io.BytesIO() + nx.write_gexf(G, fh, version="1.1draft") + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + # Test missing alpha value for version >draft1.1 - set default alpha value + # to 1.0 instead of `None` when writing for better general compatibility + fh = io.BytesIO() + # G.nodes[0]["viz"]["color"] does not have an alpha value explicitly defined + # so the default is used instead + nx.write_gexf(G, fh, version="1.2draft") + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert H.nodes[0]["viz"]["color"]["a"] == 1.0 + + # Second graph for the other branch + G = nx.Graph() + G.add_node(0, label="1", color="green") + G.nodes[0]["viz"] = {"size": 54} + G.nodes[0]["viz"]["position"] = {"x": 0, "y": 1, "z": 0} + G.nodes[0]["viz"]["color"] = {"r": 0, "g": 0, "b": 256, "a": 0.5} + G.nodes[0]["viz"]["shape"] = "ftp://random.url" + G.nodes[0]["viz"]["thickness"] = 2 + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + def test_slice_and_spell(self): + # Test spell first, so version = 1.2 + G = nx.Graph() + G.add_node(0, label="1", color="green") + G.nodes[0]["spells"] = [(1, 2)] + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + G = nx.Graph() + G.add_node(0, label="1", color="green") + G.nodes[0]["slices"] = [(1, 2)] + fh = io.BytesIO() + nx.write_gexf(G, fh, version="1.1draft") + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) + + def test_add_parent(self): + G = nx.Graph() + G.add_node(0, label="1", color="green", parents=[1, 2]) + fh = io.BytesIO() + nx.write_gexf(G, fh) + fh.seek(0) + H = nx.read_gexf(fh, node_type=int) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(sorted(e) for e in G.edges()) == sorted( + sorted(e) for e in H.edges() + ) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gml.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gml.py new file mode 100644 index 0000000000000000000000000000000000000000..f575ad269cf33c940a204aed398460a420550cc7 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_gml.py @@ -0,0 +1,744 @@ +import codecs +import io +import math +from ast import literal_eval +from contextlib import contextmanager +from textwrap import dedent + +import pytest + +import networkx as nx +from networkx.readwrite.gml import literal_destringizer, literal_stringizer + + +class TestGraph: + @classmethod + def setup_class(cls): + cls.simple_data = """Creator "me" +Version "xx" +graph [ + comment "This is a sample graph" + directed 1 + IsPlanar 1 + pos [ x 0 y 1 ] + node [ + id 1 + label "Node 1" + pos [ x 1 y 1 ] + ] + node [ + id 2 + pos [ x 1 y 2 ] + label "Node 2" + ] + node [ + id 3 + label "Node 3" + pos [ x 1 y 3 ] + ] + edge [ + source 1 + target 2 + label "Edge from node 1 to node 2" + color [line "blue" thickness 3] + + ] + edge [ + source 2 + target 3 + label "Edge from node 2 to node 3" + ] + edge [ + source 3 + target 1 + label "Edge from node 3 to node 1" + ] +] +""" + + def test_parse_gml_cytoscape_bug(self): + # example from issue #321, originally #324 in trac + cytoscape_example = """ +Creator "Cytoscape" +Version 1.0 +graph [ + node [ + root_index -3 + id -3 + graphics [ + x -96.0 + y -67.0 + w 40.0 + h 40.0 + fill "#ff9999" + type "ellipse" + outline "#666666" + outline_width 1.5 + ] + label "node2" + ] + node [ + root_index -2 + id -2 + graphics [ + x 63.0 + y 37.0 + w 40.0 + h 40.0 + fill "#ff9999" + type "ellipse" + outline "#666666" + outline_width 1.5 + ] + label "node1" + ] + node [ + root_index -1 + id -1 + graphics [ + x -31.0 + y -17.0 + w 40.0 + h 40.0 + fill "#ff9999" + type "ellipse" + outline "#666666" + outline_width 1.5 + ] + label "node0" + ] + edge [ + root_index -2 + target -2 + source -1 + graphics [ + width 1.5 + fill "#0000ff" + type "line" + Line [ + ] + source_arrow 0 + target_arrow 3 + ] + label "DirectedEdge" + ] + edge [ + root_index -1 + target -1 + source -3 + graphics [ + width 1.5 + fill "#0000ff" + type "line" + Line [ + ] + source_arrow 0 + target_arrow 3 + ] + label "DirectedEdge" + ] +] +""" + nx.parse_gml(cytoscape_example) + + def test_parse_gml(self): + G = nx.parse_gml(self.simple_data, label="label") + assert sorted(G.nodes()) == ["Node 1", "Node 2", "Node 3"] + assert sorted(G.edges()) == [ + ("Node 1", "Node 2"), + ("Node 2", "Node 3"), + ("Node 3", "Node 1"), + ] + + assert sorted(G.edges(data=True)) == [ + ( + "Node 1", + "Node 2", + { + "color": {"line": "blue", "thickness": 3}, + "label": "Edge from node 1 to node 2", + }, + ), + ("Node 2", "Node 3", {"label": "Edge from node 2 to node 3"}), + ("Node 3", "Node 1", {"label": "Edge from node 3 to node 1"}), + ] + + def test_read_gml(self, tmp_path): + fname = tmp_path / "test.gml" + with open(fname, "w") as fh: + fh.write(self.simple_data) + Gin = nx.read_gml(fname, label="label") + G = nx.parse_gml(self.simple_data, label="label") + assert sorted(G.nodes(data=True)) == sorted(Gin.nodes(data=True)) + assert sorted(G.edges(data=True)) == sorted(Gin.edges(data=True)) + + def test_labels_are_strings(self): + # GML requires labels to be strings (i.e., in quotes) + answer = """graph [ + node [ + id 0 + label "1203" + ] +]""" + G = nx.Graph() + G.add_node(1203) + data = "\n".join(nx.generate_gml(G, stringizer=literal_stringizer)) + assert data == answer + + def test_relabel_duplicate(self): + data = """ +graph +[ + label "" + directed 1 + node + [ + id 0 + label "same" + ] + node + [ + id 1 + label "same" + ] +] +""" + fh = io.BytesIO(data.encode("UTF-8")) + fh.seek(0) + pytest.raises(nx.NetworkXError, nx.read_gml, fh, label="label") + + @pytest.mark.parametrize("stringizer", (None, literal_stringizer)) + def test_tuplelabels(self, stringizer): + # https://github.com/networkx/networkx/pull/1048 + # Writing tuple labels to GML failed. + G = nx.Graph() + G.add_edge((0, 1), (1, 0)) + data = "\n".join(nx.generate_gml(G, stringizer=stringizer)) + answer = """graph [ + node [ + id 0 + label "(0,1)" + ] + node [ + id 1 + label "(1,0)" + ] + edge [ + source 0 + target 1 + ] +]""" + assert data == answer + + def test_quotes(self, tmp_path): + # https://github.com/networkx/networkx/issues/1061 + # Encoding quotes as HTML entities. + G = nx.path_graph(1) + G.name = "path_graph(1)" + attr = 'This is "quoted" and this is a copyright: ' + chr(169) + G.nodes[0]["demo"] = attr + with open(tmp_path / "test.gml", "w+b") as fobj: + nx.write_gml(G, fobj) + fobj.seek(0) + # Should be bytes in 2.x and 3.x + data = fobj.read().strip().decode("ascii") + answer = """graph [ + name "path_graph(1)" + node [ + id 0 + label "0" + demo "This is "quoted" and this is a copyright: ©" + ] +]""" + assert data == answer + + def test_unicode_node(self, tmp_path): + node = "node" + chr(169) + G = nx.Graph() + G.add_node(node) + with open(tmp_path / "test.gml", "w+b") as fobj: + nx.write_gml(G, fobj) + fobj.seek(0) + # Should be bytes in 2.x and 3.x + data = fobj.read().strip().decode("ascii") + answer = """graph [ + node [ + id 0 + label "node©" + ] +]""" + assert data == answer + + def test_float_label(self, tmp_path): + node = 1.0 + G = nx.Graph() + G.add_node(node) + with open(tmp_path / "test.gml", "w+b") as fobj: + nx.write_gml(G, fobj) + fobj.seek(0) + # Should be bytes in 2.x and 3.x + data = fobj.read().strip().decode("ascii") + answer = """graph [ + node [ + id 0 + label "1.0" + ] +]""" + assert data == answer + + def test_special_float_label(self, tmp_path): + special_floats = [float("nan"), float("+inf"), float("-inf")] + try: + import numpy as np + + special_floats += [np.nan, np.inf, np.inf * -1] + except ImportError: + special_floats += special_floats + + G = nx.cycle_graph(len(special_floats)) + attrs = dict(enumerate(special_floats)) + nx.set_node_attributes(G, attrs, "nodefloat") + edges = list(G.edges) + attrs = {edges[i]: value for i, value in enumerate(special_floats)} + nx.set_edge_attributes(G, attrs, "edgefloat") + + with open(tmp_path / "test.gml", "w+b") as fobj: + nx.write_gml(G, fobj) + fobj.seek(0) + # Should be bytes in 2.x and 3.x + data = fobj.read().strip().decode("ascii") + answer = """graph [ + node [ + id 0 + label "0" + nodefloat NAN + ] + node [ + id 1 + label "1" + nodefloat +INF + ] + node [ + id 2 + label "2" + nodefloat -INF + ] + node [ + id 3 + label "3" + nodefloat NAN + ] + node [ + id 4 + label "4" + nodefloat +INF + ] + node [ + id 5 + label "5" + nodefloat -INF + ] + edge [ + source 0 + target 1 + edgefloat NAN + ] + edge [ + source 0 + target 5 + edgefloat +INF + ] + edge [ + source 1 + target 2 + edgefloat -INF + ] + edge [ + source 2 + target 3 + edgefloat NAN + ] + edge [ + source 3 + target 4 + edgefloat +INF + ] + edge [ + source 4 + target 5 + edgefloat -INF + ] +]""" + assert data == answer + + fobj.seek(0) + graph = nx.read_gml(fobj) + for indx, value in enumerate(special_floats): + node_value = graph.nodes[str(indx)]["nodefloat"] + if math.isnan(value): + assert math.isnan(node_value) + else: + assert node_value == value + + edge = edges[indx] + string_edge = (str(edge[0]), str(edge[1])) + edge_value = graph.edges[string_edge]["edgefloat"] + if math.isnan(value): + assert math.isnan(edge_value) + else: + assert edge_value == value + + def test_name(self): + G = nx.parse_gml('graph [ name "x" node [ id 0 label "x" ] ]') + assert "x" == G.graph["name"] + G = nx.parse_gml('graph [ node [ id 0 label "x" ] ]') + assert "" == G.name + assert "name" not in G.graph + + def test_graph_types(self): + for directed in [None, False, True]: + for multigraph in [None, False, True]: + gml = "graph [" + if directed is not None: + gml += " directed " + str(int(directed)) + if multigraph is not None: + gml += " multigraph " + str(int(multigraph)) + gml += ' node [ id 0 label "0" ]' + gml += " edge [ source 0 target 0 ]" + gml += " ]" + G = nx.parse_gml(gml) + assert bool(directed) == G.is_directed() + assert bool(multigraph) == G.is_multigraph() + gml = "graph [\n" + if directed is True: + gml += " directed 1\n" + if multigraph is True: + gml += " multigraph 1\n" + gml += """ node [ + id 0 + label "0" + ] + edge [ + source 0 + target 0 +""" + if multigraph: + gml += " key 0\n" + gml += " ]\n]" + assert gml == "\n".join(nx.generate_gml(G)) + + def test_data_types(self): + data = [ + True, + False, + 10**20, + -2e33, + "'", + '"&&&""', + [{(b"\xfd",): "\x7f", chr(0x4444): (1, 2)}, (2, "3")], + ] + data.append(chr(0x14444)) + data.append(literal_eval("{2.3j, 1 - 2.3j, ()}")) + G = nx.Graph() + G.name = data + G.graph["data"] = data + G.add_node(0, int=-1, data={"data": data}) + G.add_edge(0, 0, float=-2.5, data=data) + gml = "\n".join(nx.generate_gml(G, stringizer=literal_stringizer)) + G = nx.parse_gml(gml, destringizer=literal_destringizer) + assert data == G.name + assert {"name": data, "data": data} == G.graph + assert list(G.nodes(data=True)) == [(0, {"int": -1, "data": {"data": data}})] + assert list(G.edges(data=True)) == [(0, 0, {"float": -2.5, "data": data})] + G = nx.Graph() + G.graph["data"] = "frozenset([1, 2, 3])" + G = nx.parse_gml(nx.generate_gml(G), destringizer=literal_eval) + assert G.graph["data"] == "frozenset([1, 2, 3])" + + def test_escape_unescape(self): + gml = """graph [ + name "&"䑄��&unknown;" +]""" + G = nx.parse_gml(gml) + assert ( + '&"\x0f' + chr(0x4444) + "��&unknown;" + == G.name + ) + gml = "\n".join(nx.generate_gml(G)) + alnu = "#1234567890;&#x1234567890abcdef" + answer = ( + """graph [ + name "&"䑄&""" + + alnu + + """;&unknown;" +]""" + ) + assert answer == gml + + def test_exceptions(self, tmp_path): + pytest.raises(ValueError, literal_destringizer, "(") + pytest.raises(ValueError, literal_destringizer, "frozenset([1, 2, 3])") + pytest.raises(ValueError, literal_destringizer, literal_destringizer) + pytest.raises(ValueError, literal_stringizer, frozenset([1, 2, 3])) + pytest.raises(ValueError, literal_stringizer, literal_stringizer) + with open(tmp_path / "test.gml", "w+b") as f: + f.write(codecs.BOM_UTF8 + b"graph[]") + f.seek(0) + pytest.raises(nx.NetworkXError, nx.read_gml, f) + + def assert_parse_error(gml): + pytest.raises(nx.NetworkXError, nx.parse_gml, gml) + + assert_parse_error(["graph [\n\n", "]"]) + assert_parse_error("") + assert_parse_error('Creator ""') + assert_parse_error("0") + assert_parse_error("graph ]") + assert_parse_error("graph [ 1 ]") + assert_parse_error("graph [ 1.E+2 ]") + assert_parse_error('graph [ "A" ]') + assert_parse_error("graph [ ] graph ]") + assert_parse_error("graph [ ] graph [ ]") + assert_parse_error("graph [ data [1, 2, 3] ]") + assert_parse_error("graph [ node [ ] ]") + assert_parse_error("graph [ node [ id 0 ] ]") + nx.parse_gml('graph [ node [ id "a" ] ]', label="id") + assert_parse_error("graph [ node [ id 0 label 0 ] node [ id 0 label 1 ] ]") + assert_parse_error("graph [ node [ id 0 label 0 ] node [ id 1 label 0 ] ]") + assert_parse_error("graph [ node [ id 0 label 0 ] edge [ ] ]") + assert_parse_error("graph [ node [ id 0 label 0 ] edge [ source 0 ] ]") + nx.parse_gml("graph [edge [ source 0 target 0 ] node [ id 0 label 0 ] ]") + assert_parse_error("graph [ node [ id 0 label 0 ] edge [ source 1 target 0 ] ]") + assert_parse_error("graph [ node [ id 0 label 0 ] edge [ source 0 target 1 ] ]") + assert_parse_error( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 ] edge [ source 1 target 0 ] ]" + ) + nx.parse_gml( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 ] edge [ source 1 target 0 ] " + "directed 1 ]" + ) + nx.parse_gml( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 ] edge [ source 0 target 1 ]" + "multigraph 1 ]" + ) + nx.parse_gml( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 key 0 ] edge [ source 0 target 1 ]" + "multigraph 1 ]" + ) + assert_parse_error( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 key 0 ] edge [ source 0 target 1 key 0 ]" + "multigraph 1 ]" + ) + nx.parse_gml( + "graph [ node [ id 0 label 0 ] node [ id 1 label 1 ] " + "edge [ source 0 target 1 key 0 ] edge [ source 1 target 0 key 0 ]" + "directed 1 multigraph 1 ]" + ) + + # Tests for string convertible alphanumeric id and label values + nx.parse_gml("graph [edge [ source a target a ] node [ id a label b ] ]") + nx.parse_gml( + "graph [ node [ id n42 label 0 ] node [ id x43 label 1 ]" + "edge [ source n42 target x43 key 0 ]" + "edge [ source x43 target n42 key 0 ]" + "directed 1 multigraph 1 ]" + ) + assert_parse_error( + "graph [edge [ source '\u4200' target '\u4200' ] " + + "node [ id '\u4200' label b ] ]" + ) + + def assert_generate_error(*args, **kwargs): + pytest.raises( + nx.NetworkXError, lambda: list(nx.generate_gml(*args, **kwargs)) + ) + + G = nx.Graph() + G.graph[3] = 3 + assert_generate_error(G) + G = nx.Graph() + G.graph["3"] = 3 + assert_generate_error(G) + G = nx.Graph() + G.graph["data"] = frozenset([1, 2, 3]) + assert_generate_error(G, stringizer=literal_stringizer) + + def test_label_kwarg(self): + G = nx.parse_gml(self.simple_data, label="id") + assert sorted(G.nodes) == [1, 2, 3] + labels = [G.nodes[n]["label"] for n in sorted(G.nodes)] + assert labels == ["Node 1", "Node 2", "Node 3"] + + G = nx.parse_gml(self.simple_data, label=None) + assert sorted(G.nodes) == [1, 2, 3] + labels = [G.nodes[n]["label"] for n in sorted(G.nodes)] + assert labels == ["Node 1", "Node 2", "Node 3"] + + def test_outofrange_integers(self, tmp_path): + # GML restricts integers to 32 signed bits. + # Check that we honor this restriction on export + G = nx.Graph() + # Test export for numbers that barely fit or don't fit into 32 bits, + # and 3 numbers in the middle + numbers = { + "toosmall": (-(2**31)) - 1, + "small": -(2**31), + "med1": -4, + "med2": 0, + "med3": 17, + "big": (2**31) - 1, + "toobig": 2**31, + } + G.add_node("Node", **numbers) + + fname = tmp_path / "test.gml" + nx.write_gml(G, fname) + # Check that the export wrote the nonfitting numbers as strings + G2 = nx.read_gml(fname) + for attr, value in G2.nodes["Node"].items(): + if attr == "toosmall" or attr == "toobig": + assert type(value) == str + else: + assert type(value) == int + + def test_multiline(self): + # example from issue #6836 + multiline_example = """ +graph +[ + node + [ + id 0 + label "multiline node" + label2 "multiline1 + multiline2 + multiline3" + alt_name "id 0" + ] +] +""" + G = nx.parse_gml(multiline_example) + assert G.nodes["multiline node"] == { + "label2": "multiline1 multiline2 multiline3", + "alt_name": "id 0", + } + + +@contextmanager +def byte_file(): + _file_handle = io.BytesIO() + yield _file_handle + _file_handle.seek(0) + + +class TestPropertyLists: + def test_writing_graph_with_multi_element_property_list(self): + g = nx.Graph() + g.add_node("n1", properties=["element", 0, 1, 2.5, True, False]) + with byte_file() as f: + nx.write_gml(g, f) + result = f.read().decode() + + assert result == dedent( + """\ + graph [ + node [ + id 0 + label "n1" + properties "element" + properties 0 + properties 1 + properties 2.5 + properties 1 + properties 0 + ] + ] + """ + ) + + def test_writing_graph_with_one_element_property_list(self): + g = nx.Graph() + g.add_node("n1", properties=["element"]) + with byte_file() as f: + nx.write_gml(g, f) + result = f.read().decode() + + assert result == dedent( + """\ + graph [ + node [ + id 0 + label "n1" + properties "_networkx_list_start" + properties "element" + ] + ] + """ + ) + + def test_reading_graph_with_list_property(self): + with byte_file() as f: + f.write( + dedent( + """ + graph [ + node [ + id 0 + label "n1" + properties "element" + properties 0 + properties 1 + properties 2.5 + ] + ] + """ + ).encode("ascii") + ) + f.seek(0) + graph = nx.read_gml(f) + assert graph.nodes(data=True)["n1"] == {"properties": ["element", 0, 1, 2.5]} + + def test_reading_graph_with_single_element_list_property(self): + with byte_file() as f: + f.write( + dedent( + """ + graph [ + node [ + id 0 + label "n1" + properties "_networkx_list_start" + properties "element" + ] + ] + """ + ).encode("ascii") + ) + f.seek(0) + graph = nx.read_gml(f) + assert graph.nodes(data=True)["n1"] == {"properties": ["element"]} + + +@pytest.mark.parametrize("coll", ([], ())) +def test_stringize_empty_list_tuple(coll): + G = nx.path_graph(2) + G.nodes[0]["test"] = coll # test serializing an empty collection + f = io.BytesIO() + nx.write_gml(G, f) # Smoke test - should not raise + f.seek(0) + H = nx.read_gml(f) + assert H.nodes["0"]["test"] == coll # Check empty list round-trips properly + # Check full round-tripping. Note that nodes are loaded as strings by + # default, so there needs to be some remapping prior to comparison + H = nx.relabel_nodes(H, {"0": 0, "1": 1}) + assert nx.utils.graphs_equal(G, H) + # Same as above, but use destringizer for node remapping. Should have no + # effect on node attr + f.seek(0) + H = nx.read_gml(f, destringizer=int) + assert nx.utils.graphs_equal(G, H) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_graph6.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_graph6.py new file mode 100644 index 0000000000000000000000000000000000000000..a80326946c611751c1d27a3a10e74b64f2d379d4 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_graph6.py @@ -0,0 +1,168 @@ +from io import BytesIO + +import pytest + +import networkx as nx +import networkx.readwrite.graph6 as g6 +from networkx.utils import edges_equal, nodes_equal + + +class TestGraph6Utils: + def test_n_data_n_conversion(self): + for i in [0, 1, 42, 62, 63, 64, 258047, 258048, 7744773, 68719476735]: + assert g6.data_to_n(g6.n_to_data(i))[0] == i + assert g6.data_to_n(g6.n_to_data(i))[1] == [] + assert g6.data_to_n(g6.n_to_data(i) + [42, 43])[1] == [42, 43] + + +class TestFromGraph6Bytes: + def test_from_graph6_bytes(self): + data = b"DF{" + G = nx.from_graph6_bytes(data) + assert nodes_equal(G.nodes(), [0, 1, 2, 3, 4]) + assert edges_equal( + G.edges(), [(0, 3), (0, 4), (1, 3), (1, 4), (2, 3), (2, 4), (3, 4)] + ) + + def test_read_equals_from_bytes(self): + data = b"DF{" + G = nx.from_graph6_bytes(data) + fh = BytesIO(data) + Gin = nx.read_graph6(fh) + assert nodes_equal(G.nodes(), Gin.nodes()) + assert edges_equal(G.edges(), Gin.edges()) + + +class TestReadGraph6: + def test_read_many_graph6(self): + """Test for reading many graphs from a file into a list.""" + data = b"DF{\nD`{\nDqK\nD~{\n" + fh = BytesIO(data) + glist = nx.read_graph6(fh) + assert len(glist) == 4 + for G in glist: + assert sorted(G) == list(range(5)) + + +class TestWriteGraph6: + """Unit tests for writing a graph to a file in graph6 format.""" + + def test_null_graph(self): + result = BytesIO() + nx.write_graph6(nx.null_graph(), result) + assert result.getvalue() == b">>graph6<>graph6<<@\n" + + def test_complete_graph(self): + result = BytesIO() + nx.write_graph6(nx.complete_graph(4), result) + assert result.getvalue() == b">>graph6<>graph6<>graph6<>graph6<>graph6<<@\n" + + def test_complete_graph(self): + assert g6.to_graph6_bytes(nx.complete_graph(4)) == b">>graph6<>graph6< + + + + + + + + + + + + + + + + + + + + + + + + + + +""" + cls.simple_directed_graph = nx.DiGraph() + cls.simple_directed_graph.add_node("n10") + cls.simple_directed_graph.add_edge("n0", "n2", id="foo") + cls.simple_directed_graph.add_edge("n0", "n2") + cls.simple_directed_graph.add_edges_from( + [ + ("n1", "n2"), + ("n2", "n3"), + ("n3", "n5"), + ("n3", "n4"), + ("n4", "n6"), + ("n6", "n5"), + ("n5", "n7"), + ("n6", "n8"), + ("n8", "n7"), + ("n8", "n9"), + ] + ) + cls.simple_directed_fh = io.BytesIO(cls.simple_directed_data.encode("UTF-8")) + + cls.attribute_data = """ + + + yellow + + + + + green + + + + blue + + + red + + + + turquoise + + + 1.0 + + + 1.0 + + + 2.0 + + + + + + 1.1 + + + +""" + cls.attribute_graph = nx.DiGraph(id="G") + cls.attribute_graph.graph["node_default"] = {"color": "yellow"} + cls.attribute_graph.add_node("n0", color="green") + cls.attribute_graph.add_node("n2", color="blue") + cls.attribute_graph.add_node("n3", color="red") + cls.attribute_graph.add_node("n4") + cls.attribute_graph.add_node("n5", color="turquoise") + cls.attribute_graph.add_edge("n0", "n2", id="e0", weight=1.0) + cls.attribute_graph.add_edge("n0", "n1", id="e1", weight=1.0) + cls.attribute_graph.add_edge("n1", "n3", id="e2", weight=2.0) + cls.attribute_graph.add_edge("n3", "n2", id="e3") + cls.attribute_graph.add_edge("n2", "n4", id="e4") + cls.attribute_graph.add_edge("n3", "n5", id="e5") + cls.attribute_graph.add_edge("n5", "n4", id="e6", weight=1.1) + cls.attribute_fh = io.BytesIO(cls.attribute_data.encode("UTF-8")) + + cls.node_attribute_default_data = """ + + false + 0 + 0 + 0.0 + 0.0 + Foo + + + + + + + """ + cls.node_attribute_default_graph = nx.DiGraph(id="G") + cls.node_attribute_default_graph.graph["node_default"] = { + "boolean_attribute": False, + "int_attribute": 0, + "long_attribute": 0, + "float_attribute": 0.0, + "double_attribute": 0.0, + "string_attribute": "Foo", + } + cls.node_attribute_default_graph.add_node("n0") + cls.node_attribute_default_graph.add_node("n1") + cls.node_attribute_default_graph.add_edge("n0", "n1", id="e0") + cls.node_attribute_default_fh = io.BytesIO( + cls.node_attribute_default_data.encode("UTF-8") + ) + + cls.attribute_named_key_ids_data = """ + + + + + + + val1 + val2 + + + val_one + val2 + + + edge_value + + + +""" + cls.attribute_named_key_ids_graph = nx.DiGraph() + cls.attribute_named_key_ids_graph.add_node("0", prop1="val1", prop2="val2") + cls.attribute_named_key_ids_graph.add_node("1", prop1="val_one", prop2="val2") + cls.attribute_named_key_ids_graph.add_edge("0", "1", edge_prop="edge_value") + fh = io.BytesIO(cls.attribute_named_key_ids_data.encode("UTF-8")) + cls.attribute_named_key_ids_fh = fh + + cls.attribute_numeric_type_data = """ + + + + + + 1 + + + 2.0 + + + 1 + + + k + + + 1.0 + + + +""" + cls.attribute_numeric_type_graph = nx.DiGraph() + cls.attribute_numeric_type_graph.add_node("n0", weight=1) + cls.attribute_numeric_type_graph.add_node("n1", weight=2.0) + cls.attribute_numeric_type_graph.add_edge("n0", "n1", weight=1) + cls.attribute_numeric_type_graph.add_edge("n1", "n1", weight=1.0) + fh = io.BytesIO(cls.attribute_numeric_type_data.encode("UTF-8")) + cls.attribute_numeric_type_fh = fh + + cls.simple_undirected_data = """ + + + + + + + + + + +""" + # + cls.simple_undirected_graph = nx.Graph() + cls.simple_undirected_graph.add_node("n10") + cls.simple_undirected_graph.add_edge("n0", "n2", id="foo") + cls.simple_undirected_graph.add_edges_from([("n1", "n2"), ("n2", "n3")]) + fh = io.BytesIO(cls.simple_undirected_data.encode("UTF-8")) + cls.simple_undirected_fh = fh + + cls.undirected_multigraph_data = """ + + + + + + + + + + +""" + cls.undirected_multigraph = nx.MultiGraph() + cls.undirected_multigraph.add_node("n10") + cls.undirected_multigraph.add_edge("n0", "n2", id="e0") + cls.undirected_multigraph.add_edge("n1", "n2", id="e1") + cls.undirected_multigraph.add_edge("n2", "n1", id="e2") + fh = io.BytesIO(cls.undirected_multigraph_data.encode("UTF-8")) + cls.undirected_multigraph_fh = fh + + cls.undirected_multigraph_no_multiedge_data = """ + + + + + + + + + + +""" + cls.undirected_multigraph_no_multiedge = nx.MultiGraph() + cls.undirected_multigraph_no_multiedge.add_node("n10") + cls.undirected_multigraph_no_multiedge.add_edge("n0", "n2", id="e0") + cls.undirected_multigraph_no_multiedge.add_edge("n1", "n2", id="e1") + cls.undirected_multigraph_no_multiedge.add_edge("n2", "n3", id="e2") + fh = io.BytesIO(cls.undirected_multigraph_no_multiedge_data.encode("UTF-8")) + cls.undirected_multigraph_no_multiedge_fh = fh + + cls.multigraph_only_ids_for_multiedges_data = """ + + + + + + + + + + +""" + cls.multigraph_only_ids_for_multiedges = nx.MultiGraph() + cls.multigraph_only_ids_for_multiedges.add_node("n10") + cls.multigraph_only_ids_for_multiedges.add_edge("n0", "n2") + cls.multigraph_only_ids_for_multiedges.add_edge("n1", "n2", id="e1") + cls.multigraph_only_ids_for_multiedges.add_edge("n2", "n1", id="e2") + fh = io.BytesIO(cls.multigraph_only_ids_for_multiedges_data.encode("UTF-8")) + cls.multigraph_only_ids_for_multiedges_fh = fh + + +class TestReadGraphML(BaseGraphML): + def test_read_simple_directed_graphml(self): + G = self.simple_directed_graph + H = nx.read_graphml(self.simple_directed_fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(G.edges()) == sorted(H.edges()) + assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) + self.simple_directed_fh.seek(0) + + PG = nx.parse_graphml(self.simple_directed_data) + assert sorted(G.nodes()) == sorted(PG.nodes()) + assert sorted(G.edges()) == sorted(PG.edges()) + assert sorted(G.edges(data=True)) == sorted(PG.edges(data=True)) + + def test_read_simple_undirected_graphml(self): + G = self.simple_undirected_graph + H = nx.read_graphml(self.simple_undirected_fh) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + self.simple_undirected_fh.seek(0) + + PG = nx.parse_graphml(self.simple_undirected_data) + assert nodes_equal(G.nodes(), PG.nodes()) + assert edges_equal(G.edges(), PG.edges()) + + def test_read_undirected_multigraph_graphml(self): + G = self.undirected_multigraph + H = nx.read_graphml(self.undirected_multigraph_fh) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + self.undirected_multigraph_fh.seek(0) + + PG = nx.parse_graphml(self.undirected_multigraph_data) + assert nodes_equal(G.nodes(), PG.nodes()) + assert edges_equal(G.edges(), PG.edges()) + + def test_read_undirected_multigraph_no_multiedge_graphml(self): + G = self.undirected_multigraph_no_multiedge + H = nx.read_graphml(self.undirected_multigraph_no_multiedge_fh) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + self.undirected_multigraph_no_multiedge_fh.seek(0) + + PG = nx.parse_graphml(self.undirected_multigraph_no_multiedge_data) + assert nodes_equal(G.nodes(), PG.nodes()) + assert edges_equal(G.edges(), PG.edges()) + + def test_read_undirected_multigraph_only_ids_for_multiedges_graphml(self): + G = self.multigraph_only_ids_for_multiedges + H = nx.read_graphml(self.multigraph_only_ids_for_multiedges_fh) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + self.multigraph_only_ids_for_multiedges_fh.seek(0) + + PG = nx.parse_graphml(self.multigraph_only_ids_for_multiedges_data) + assert nodes_equal(G.nodes(), PG.nodes()) + assert edges_equal(G.edges(), PG.edges()) + + def test_read_attribute_graphml(self): + G = self.attribute_graph + H = nx.read_graphml(self.attribute_fh) + assert nodes_equal(G.nodes(True), sorted(H.nodes(data=True))) + ge = sorted(G.edges(data=True)) + he = sorted(H.edges(data=True)) + for a, b in zip(ge, he): + assert a == b + self.attribute_fh.seek(0) + + PG = nx.parse_graphml(self.attribute_data) + assert sorted(G.nodes(True)) == sorted(PG.nodes(data=True)) + ge = sorted(G.edges(data=True)) + he = sorted(PG.edges(data=True)) + for a, b in zip(ge, he): + assert a == b + + def test_node_default_attribute_graphml(self): + G = self.node_attribute_default_graph + H = nx.read_graphml(self.node_attribute_default_fh) + assert G.graph["node_default"] == H.graph["node_default"] + + def test_directed_edge_in_undirected(self): + s = """ + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_graphml, fh) + pytest.raises(nx.NetworkXError, nx.parse_graphml, s) + + def test_undirected_edge_in_directed(self): + s = """ + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_graphml, fh) + pytest.raises(nx.NetworkXError, nx.parse_graphml, s) + + def test_key_raise(self): + s = """ + + + yellow + + + + + green + + + + blue + + + 1.0 + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_graphml, fh) + pytest.raises(nx.NetworkXError, nx.parse_graphml, s) + + def test_hyperedge_raise(self): + s = """ + + + yellow + + + + + green + + + + blue + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_graphml, fh) + pytest.raises(nx.NetworkXError, nx.parse_graphml, s) + + def test_multigraph_keys(self): + # Test that reading multigraphs uses edge id attributes as keys + s = """ + + + + + + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_graphml(fh) + expected = [("n0", "n1", "e0"), ("n0", "n1", "e1")] + assert sorted(G.edges(keys=True)) == expected + fh.seek(0) + H = nx.parse_graphml(s) + assert sorted(H.edges(keys=True)) == expected + + def test_preserve_multi_edge_data(self): + """ + Test that data and keys of edges are preserved on consequent + write and reads + """ + G = nx.MultiGraph() + G.add_node(1) + G.add_node(2) + G.add_edges_from( + [ + # edges with no data, no keys: + (1, 2), + # edges with only data: + (1, 2, {"key": "data_key1"}), + (1, 2, {"id": "data_id2"}), + (1, 2, {"key": "data_key3", "id": "data_id3"}), + # edges with both data and keys: + (1, 2, 103, {"key": "data_key4"}), + (1, 2, 104, {"id": "data_id5"}), + (1, 2, 105, {"key": "data_key6", "id": "data_id7"}), + ] + ) + fh = io.BytesIO() + nx.write_graphml(G, fh) + fh.seek(0) + H = nx.read_graphml(fh, node_type=int) + assert edges_equal(G.edges(data=True, keys=True), H.edges(data=True, keys=True)) + assert G._adj == H._adj + + Gadj = { + str(node): { + str(nbr): {str(ekey): dd for ekey, dd in key_dict.items()} + for nbr, key_dict in nbr_dict.items() + } + for node, nbr_dict in G._adj.items() + } + fh.seek(0) + HH = nx.read_graphml(fh, node_type=str, edge_key_type=str) + assert Gadj == HH._adj + + fh.seek(0) + string_fh = fh.read() + HH = nx.parse_graphml(string_fh, node_type=str, edge_key_type=str) + assert Gadj == HH._adj + + def test_yfiles_extension(self): + data = """ + + + + + + + + + + + + + + + + + + + + 1 + + + + + + + + + + + 2 + + + + + + + + + + + + 3 + + + + + + + + + + + + + + + + + + + + +""" + fh = io.BytesIO(data.encode("UTF-8")) + G = nx.read_graphml(fh, force_multigraph=True) + assert list(G.edges()) == [("n0", "n1")] + assert G.has_edge("n0", "n1", key="e0") + assert G.nodes["n0"]["label"] == "1" + assert G.nodes["n1"]["label"] == "2" + assert G.nodes["n2"]["label"] == "3" + assert G.nodes["n0"]["shape_type"] == "rectangle" + assert G.nodes["n1"]["shape_type"] == "rectangle" + assert G.nodes["n2"]["shape_type"] == "com.yworks.flowchart.terminator" + assert G.nodes["n2"]["description"] == "description\nline1\nline2" + fh.seek(0) + G = nx.read_graphml(fh) + assert list(G.edges()) == [("n0", "n1")] + assert G["n0"]["n1"]["id"] == "e0" + assert G.nodes["n0"]["label"] == "1" + assert G.nodes["n1"]["label"] == "2" + assert G.nodes["n2"]["label"] == "3" + assert G.nodes["n0"]["shape_type"] == "rectangle" + assert G.nodes["n1"]["shape_type"] == "rectangle" + assert G.nodes["n2"]["shape_type"] == "com.yworks.flowchart.terminator" + assert G.nodes["n2"]["description"] == "description\nline1\nline2" + + H = nx.parse_graphml(data, force_multigraph=True) + assert list(H.edges()) == [("n0", "n1")] + assert H.has_edge("n0", "n1", key="e0") + assert H.nodes["n0"]["label"] == "1" + assert H.nodes["n1"]["label"] == "2" + assert H.nodes["n2"]["label"] == "3" + + H = nx.parse_graphml(data) + assert list(H.edges()) == [("n0", "n1")] + assert H["n0"]["n1"]["id"] == "e0" + assert H.nodes["n0"]["label"] == "1" + assert H.nodes["n1"]["label"] == "2" + assert H.nodes["n2"]["label"] == "3" + + def test_bool(self): + s = """ + + + false + + + + true + + + + false + + + FaLsE + + + True + + + 0 + + + 1 + + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_graphml(fh) + H = nx.parse_graphml(s) + for graph in [G, H]: + assert graph.nodes["n0"]["test"] + assert not graph.nodes["n2"]["test"] + assert not graph.nodes["n3"]["test"] + assert graph.nodes["n4"]["test"] + assert not graph.nodes["n5"]["test"] + assert graph.nodes["n6"]["test"] + + def test_graphml_header_line(self): + good = """ + + + false + + + + true + + + +""" + bad = """ + + + false + + + + true + + + +""" + ugly = """ + + + false + + + + true + + + +""" + for s in (good, bad): + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_graphml(fh) + H = nx.parse_graphml(s) + for graph in [G, H]: + assert graph.nodes["n0"]["test"] + + fh = io.BytesIO(ugly.encode("UTF-8")) + pytest.raises(nx.NetworkXError, nx.read_graphml, fh) + pytest.raises(nx.NetworkXError, nx.parse_graphml, ugly) + + def test_read_attributes_with_groups(self): + data = """\ + + + + + + + + + + + + + + + + + + + + + + + + + + + + 2 + + + + + + + + + + + + + + + + + + + + + + Group 3 + + + + + + + + + + Folder 3 + + + + + + + + + + + + + + + + + + + + + Group 1 + + + + + + + + + + Folder 1 + + + + + + + + + + + + + + + + + + 1 + + + + + + + + + + + + + + + + + + + 3 + + + + + + + + + + + + + + + + + + + + + + + + Group 2 + + + + + + + + + + Folder 2 + + + + + + + + + + + + + + + + + + 5 + + + + + + + + + + + + + + + + + + + 6 + + + + + + + + + + + + + + + + + + + + + + + 9 + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + +""" + # verify that nodes / attributes are correctly read when part of a group + fh = io.BytesIO(data.encode("UTF-8")) + G = nx.read_graphml(fh) + data = [x for _, x in G.nodes(data=True)] + assert len(data) == 9 + for node_data in data: + assert node_data["CustomProperty"] != "" + + def test_long_attribute_type(self): + # test that graphs with attr.type="long" (as produced by botch and + # dose3) can be parsed + s = """ + + + + + 4284 + + +""" + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_graphml(fh) + expected = [("n1", {"cudfversion": 4284})] + assert sorted(G.nodes(data=True)) == expected + fh.seek(0) + H = nx.parse_graphml(s) + assert sorted(H.nodes(data=True)) == expected + + +class TestWriteGraphML(BaseGraphML): + writer = staticmethod(nx.write_graphml_lxml) + + @classmethod + def setup_class(cls): + BaseGraphML.setup_class() + _ = pytest.importorskip("lxml.etree") + + def test_write_interface(self): + try: + import lxml.etree + + assert nx.write_graphml == nx.write_graphml_lxml + except ImportError: + assert nx.write_graphml == nx.write_graphml_xml + + def test_write_read_simple_directed_graphml(self): + G = self.simple_directed_graph + G.graph["hi"] = "there" + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(G.edges()) == sorted(H.edges()) + assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) + self.simple_directed_fh.seek(0) + + def test_GraphMLWriter_add_graphs(self): + gmlw = GraphMLWriter() + G = self.simple_directed_graph + H = G.copy() + gmlw.add_graphs([G, H]) + + def test_write_read_simple_no_prettyprint(self): + G = self.simple_directed_graph + G.graph["hi"] = "there" + G.graph["id"] = "1" + fh = io.BytesIO() + self.writer(G, fh, prettyprint=False) + fh.seek(0) + H = nx.read_graphml(fh) + assert sorted(G.nodes()) == sorted(H.nodes()) + assert sorted(G.edges()) == sorted(H.edges()) + assert sorted(G.edges(data=True)) == sorted(H.edges(data=True)) + self.simple_directed_fh.seek(0) + + def test_write_read_attribute_named_key_ids_graphml(self): + from xml.etree.ElementTree import parse + + G = self.attribute_named_key_ids_graph + fh = io.BytesIO() + self.writer(G, fh, named_key_ids=True) + fh.seek(0) + H = nx.read_graphml(fh) + fh.seek(0) + + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + assert edges_equal(G.edges(data=True), H.edges(data=True)) + self.attribute_named_key_ids_fh.seek(0) + + xml = parse(fh) + # Children are the key elements, and the graph element + children = list(xml.getroot()) + assert len(children) == 4 + + keys = [child.items() for child in children[:3]] + + assert len(keys) == 3 + assert ("id", "edge_prop") in keys[0] + assert ("attr.name", "edge_prop") in keys[0] + assert ("id", "prop2") in keys[1] + assert ("attr.name", "prop2") in keys[1] + assert ("id", "prop1") in keys[2] + assert ("attr.name", "prop1") in keys[2] + + # Confirm the read graph nodes/edge are identical when compared to + # default writing behavior. + default_behavior_fh = io.BytesIO() + nx.write_graphml(G, default_behavior_fh) + default_behavior_fh.seek(0) + H = nx.read_graphml(default_behavior_fh) + + named_key_ids_behavior_fh = io.BytesIO() + nx.write_graphml(G, named_key_ids_behavior_fh, named_key_ids=True) + named_key_ids_behavior_fh.seek(0) + J = nx.read_graphml(named_key_ids_behavior_fh) + + assert all(n1 == n2 for (n1, n2) in zip(H.nodes, J.nodes)) + assert all(e1 == e2 for (e1, e2) in zip(H.edges, J.edges)) + + def test_write_read_attribute_numeric_type_graphml(self): + from xml.etree.ElementTree import parse + + G = self.attribute_numeric_type_graph + fh = io.BytesIO() + self.writer(G, fh, infer_numeric_types=True) + fh.seek(0) + H = nx.read_graphml(fh) + fh.seek(0) + + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + assert edges_equal(G.edges(data=True), H.edges(data=True)) + self.attribute_numeric_type_fh.seek(0) + + xml = parse(fh) + # Children are the key elements, and the graph element + children = list(xml.getroot()) + assert len(children) == 3 + + keys = [child.items() for child in children[:2]] + + assert len(keys) == 2 + assert ("attr.type", "double") in keys[0] + assert ("attr.type", "double") in keys[1] + + def test_more_multigraph_keys(self, tmp_path): + """Writing keys as edge id attributes means keys become strings. + The original keys are stored as data, so read them back in + if `str(key) == edge_id` + This allows the adjacency to remain the same. + """ + G = nx.MultiGraph() + G.add_edges_from([("a", "b", 2), ("a", "b", 3)]) + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname) + assert H.is_multigraph() + assert edges_equal(G.edges(keys=True), H.edges(keys=True)) + assert G._adj == H._adj + + def test_default_attribute(self): + G = nx.Graph(name="Fred") + G.add_node(1, label=1, color="green") + nx.add_path(G, [0, 1, 2, 3]) + G.add_edge(1, 2, weight=3) + G.graph["node_default"] = {"color": "yellow"} + G.graph["edge_default"] = {"weight": 7} + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh, node_type=int) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + assert G.graph == H.graph + + def test_mixed_type_attributes(self): + G = nx.MultiGraph() + G.add_node("n0", special=False) + G.add_node("n1", special=0) + G.add_edge("n0", "n1", special=False) + G.add_edge("n0", "n1", special=0) + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh) + assert not H.nodes["n0"]["special"] + assert H.nodes["n1"]["special"] == 0 + assert not H.edges["n0", "n1", 0]["special"] + assert H.edges["n0", "n1", 1]["special"] == 0 + + def test_str_number_mixed_type_attributes(self): + G = nx.MultiGraph() + G.add_node("n0", special="hello") + G.add_node("n1", special=0) + G.add_edge("n0", "n1", special="hello") + G.add_edge("n0", "n1", special=0) + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh) + assert H.nodes["n0"]["special"] == "hello" + assert H.nodes["n1"]["special"] == 0 + assert H.edges["n0", "n1", 0]["special"] == "hello" + assert H.edges["n0", "n1", 1]["special"] == 0 + + def test_mixed_int_type_number_attributes(self): + np = pytest.importorskip("numpy") + G = nx.MultiGraph() + G.add_node("n0", special=np.int64(0)) + G.add_node("n1", special=1) + G.add_edge("n0", "n1", special=np.int64(2)) + G.add_edge("n0", "n1", special=3) + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh) + assert H.nodes["n0"]["special"] == 0 + assert H.nodes["n1"]["special"] == 1 + assert H.edges["n0", "n1", 0]["special"] == 2 + assert H.edges["n0", "n1", 1]["special"] == 3 + + def test_multigraph_to_graph(self, tmp_path): + # test converting multigraph to graph if no parallel edges found + G = nx.MultiGraph() + G.add_edges_from([("a", "b", 2), ("b", "c", 3)]) # no multiedges + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname) + assert not H.is_multigraph() + H = nx.read_graphml(fname, force_multigraph=True) + assert H.is_multigraph() + + # add a multiedge + G.add_edge("a", "b", "e-id") + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname) + assert H.is_multigraph() + H = nx.read_graphml(fname, force_multigraph=True) + assert H.is_multigraph() + + def test_write_generate_edge_id_from_attribute(self, tmp_path): + from xml.etree.ElementTree import parse + + G = nx.Graph() + G.add_edges_from([("a", "b"), ("b", "c"), ("a", "c")]) + edge_attributes = {e: str(e) for e in G.edges} + nx.set_edge_attributes(G, edge_attributes, "eid") + fname = tmp_path / "test.graphml" + # set edge_id_from_attribute e.g. "eid" for write_graphml() + self.writer(G, fname, edge_id_from_attribute="eid") + # set edge_id_from_attribute e.g. "eid" for generate_graphml() + generator = nx.generate_graphml(G, edge_id_from_attribute="eid") + + H = nx.read_graphml(fname) + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + # NetworkX adds explicit edge "id" from file as attribute + nx.set_edge_attributes(G, edge_attributes, "id") + assert edges_equal(G.edges(data=True), H.edges(data=True)) + + tree = parse(fname) + children = list(tree.getroot()) + assert len(children) == 2 + edge_ids = [ + edge.attrib["id"] + for edge in tree.getroot().findall( + ".//{http://graphml.graphdrawing.org/xmlns}edge" + ) + ] + # verify edge id value is equal to specified attribute value + assert sorted(edge_ids) == sorted(edge_attributes.values()) + + # check graphml generated from generate_graphml() + data = "".join(generator) + J = nx.parse_graphml(data) + assert sorted(G.nodes()) == sorted(J.nodes()) + assert sorted(G.edges()) == sorted(J.edges()) + # NetworkX adds explicit edge "id" from file as attribute + nx.set_edge_attributes(G, edge_attributes, "id") + assert edges_equal(G.edges(data=True), J.edges(data=True)) + + def test_multigraph_write_generate_edge_id_from_attribute(self, tmp_path): + from xml.etree.ElementTree import parse + + G = nx.MultiGraph() + G.add_edges_from([("a", "b"), ("b", "c"), ("a", "c"), ("a", "b")]) + edge_attributes = {e: str(e) for e in G.edges} + nx.set_edge_attributes(G, edge_attributes, "eid") + fname = tmp_path / "test.graphml" + # set edge_id_from_attribute e.g. "eid" for write_graphml() + self.writer(G, fname, edge_id_from_attribute="eid") + # set edge_id_from_attribute e.g. "eid" for generate_graphml() + generator = nx.generate_graphml(G, edge_id_from_attribute="eid") + + H = nx.read_graphml(fname) + assert H.is_multigraph() + H = nx.read_graphml(fname, force_multigraph=True) + assert H.is_multigraph() + + assert nodes_equal(G.nodes(), H.nodes()) + assert edges_equal(G.edges(), H.edges()) + assert sorted(data.get("eid") for u, v, data in H.edges(data=True)) == sorted( + edge_attributes.values() + ) + # NetworkX uses edge_ids as keys in multigraphs if no key + assert sorted(key for u, v, key in H.edges(keys=True)) == sorted( + edge_attributes.values() + ) + + tree = parse(fname) + children = list(tree.getroot()) + assert len(children) == 2 + edge_ids = [ + edge.attrib["id"] + for edge in tree.getroot().findall( + ".//{http://graphml.graphdrawing.org/xmlns}edge" + ) + ] + # verify edge id value is equal to specified attribute value + assert sorted(edge_ids) == sorted(edge_attributes.values()) + + # check graphml generated from generate_graphml() + graphml_data = "".join(generator) + J = nx.parse_graphml(graphml_data) + assert J.is_multigraph() + + assert nodes_equal(G.nodes(), J.nodes()) + assert edges_equal(G.edges(), J.edges()) + assert sorted(data.get("eid") for u, v, data in J.edges(data=True)) == sorted( + edge_attributes.values() + ) + # NetworkX uses edge_ids as keys in multigraphs if no key + assert sorted(key for u, v, key in J.edges(keys=True)) == sorted( + edge_attributes.values() + ) + + def test_numpy_float64(self, tmp_path): + np = pytest.importorskip("numpy") + wt = np.float64(3.4) + G = nx.Graph([(1, 2, {"weight": wt})]) + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname, node_type=int) + assert G.edges == H.edges + wtG = G[1][2]["weight"] + wtH = H[1][2]["weight"] + assert wtG == pytest.approx(wtH, abs=1e-6) + assert type(wtG) == np.float64 + assert type(wtH) == float + + def test_numpy_float32(self, tmp_path): + np = pytest.importorskip("numpy") + wt = np.float32(3.4) + G = nx.Graph([(1, 2, {"weight": wt})]) + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname, node_type=int) + assert G.edges == H.edges + wtG = G[1][2]["weight"] + wtH = H[1][2]["weight"] + assert wtG == pytest.approx(wtH, abs=1e-6) + assert type(wtG) == np.float32 + assert type(wtH) == float + + def test_numpy_float64_inference(self, tmp_path): + np = pytest.importorskip("numpy") + G = self.attribute_numeric_type_graph + G.edges[("n1", "n1")]["weight"] = np.float64(1.1) + fname = tmp_path / "test.graphml" + self.writer(G, fname, infer_numeric_types=True) + H = nx.read_graphml(fname) + assert G._adj == H._adj + + def test_unicode_attributes(self, tmp_path): + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + node_type = str + G.add_edge(name1, "Radiohead", foo=name2) + fname = tmp_path / "test.graphml" + self.writer(G, fname) + H = nx.read_graphml(fname, node_type=node_type) + assert G._adj == H._adj + + def test_unicode_escape(self): + # test for handling json escaped strings in python 2 Issue #1880 + import json + + a = {"a": '{"a": "123"}'} # an object with many chars to escape + sa = json.dumps(a) + G = nx.Graph() + G.graph["test"] = sa + fh = io.BytesIO() + self.writer(G, fh) + fh.seek(0) + H = nx.read_graphml(fh) + assert G.graph["test"] == H.graph["test"] + + +class TestXMLGraphML(TestWriteGraphML): + writer = staticmethod(nx.write_graphml_xml) + + @classmethod + def setup_class(cls): + TestWriteGraphML.setup_class() + + +def test_exception_for_unsupported_datatype_node_attr(): + """Test that a detailed exception is raised when an attribute is of a type + not supported by GraphML, e.g. a list""" + pytest.importorskip("lxml.etree") + # node attribute + G = nx.Graph() + G.add_node(0, my_list_attribute=[0, 1, 2]) + fh = io.BytesIO() + with pytest.raises(TypeError, match="GraphML does not support"): + nx.write_graphml(G, fh) + + +def test_exception_for_unsupported_datatype_edge_attr(): + """Test that a detailed exception is raised when an attribute is of a type + not supported by GraphML, e.g. a list""" + pytest.importorskip("lxml.etree") + # edge attribute + G = nx.Graph() + G.add_edge(0, 1, my_list_attribute=[0, 1, 2]) + fh = io.BytesIO() + with pytest.raises(TypeError, match="GraphML does not support"): + nx.write_graphml(G, fh) + + +def test_exception_for_unsupported_datatype_graph_attr(): + """Test that a detailed exception is raised when an attribute is of a type + not supported by GraphML, e.g. a list""" + pytest.importorskip("lxml.etree") + # graph attribute + G = nx.Graph() + G.graph["my_list_attribute"] = [0, 1, 2] + fh = io.BytesIO() + with pytest.raises(TypeError, match="GraphML does not support"): + nx.write_graphml(G, fh) + + +def test_empty_attribute(): + """Tests that a GraphML string with an empty attribute can be parsed + correctly.""" + s = """ + + + + + + aaa + bbb + + + ccc + + + + """ + fh = io.BytesIO(s.encode("UTF-8")) + G = nx.read_graphml(fh) + assert G.nodes["0"] == {"foo": "aaa", "bar": "bbb"} + assert G.nodes["1"] == {"foo": "ccc", "bar": ""} diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_leda.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_leda.py new file mode 100644 index 0000000000000000000000000000000000000000..8ac5ecc34bf9b42bd49e316bdc72e0e56c76a616 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_leda.py @@ -0,0 +1,30 @@ +import io + +import networkx as nx + + +class TestLEDA: + def test_parse_leda(self): + data = """#header section \nLEDA.GRAPH \nstring\nint\n-1\n#nodes section\n5 \n|{v1}| \n|{v2}| \n|{v3}| \n|{v4}| \n|{v5}| \n\n#edges section\n7 \n1 2 0 |{4}| \n1 3 0 |{3}| \n2 3 0 |{2}| \n3 4 0 |{3}| \n3 5 0 |{7}| \n4 5 0 |{6}| \n5 1 0 |{foo}|""" + G = nx.parse_leda(data) + G = nx.parse_leda(data.split("\n")) + assert sorted(G.nodes()) == ["v1", "v2", "v3", "v4", "v5"] + assert sorted(G.edges(data=True)) == [ + ("v1", "v2", {"label": "4"}), + ("v1", "v3", {"label": "3"}), + ("v2", "v3", {"label": "2"}), + ("v3", "v4", {"label": "3"}), + ("v3", "v5", {"label": "7"}), + ("v4", "v5", {"label": "6"}), + ("v5", "v1", {"label": "foo"}), + ] + + def test_read_LEDA(self): + fh = io.BytesIO() + data = """#header section \nLEDA.GRAPH \nstring\nint\n-1\n#nodes section\n5 \n|{v1}| \n|{v2}| \n|{v3}| \n|{v4}| \n|{v5}| \n\n#edges section\n7 \n1 2 0 |{4}| \n1 3 0 |{3}| \n2 3 0 |{2}| \n3 4 0 |{3}| \n3 5 0 |{7}| \n4 5 0 |{6}| \n5 1 0 |{foo}|""" + G = nx.parse_leda(data) + fh.write(data.encode("UTF-8")) + fh.seek(0) + Gin = nx.read_leda(fh) + assert sorted(G.nodes()) == sorted(Gin.nodes()) + assert sorted(G.edges()) == sorted(Gin.edges()) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_p2g.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_p2g.py new file mode 100644 index 0000000000000000000000000000000000000000..e4c50de7f382f62d4ae6e0cc0443e480487c65e2 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_p2g.py @@ -0,0 +1,62 @@ +import io + +import networkx as nx +from networkx.readwrite.p2g import read_p2g, write_p2g +from networkx.utils import edges_equal + + +class TestP2G: + @classmethod + def setup_class(cls): + cls.G = nx.Graph(name="test") + e = [("a", "b"), ("b", "c"), ("c", "d"), ("d", "e"), ("e", "f"), ("a", "f")] + cls.G.add_edges_from(e) + cls.G.add_node("g") + cls.DG = nx.DiGraph(cls.G) + + def test_read_p2g(self): + s = b"""\ +name +3 4 +a +1 2 +b + +c +0 2 +""" + bytesIO = io.BytesIO(s) + G = read_p2g(bytesIO) + assert G.name == "name" + assert sorted(G) == ["a", "b", "c"] + edges = [(str(u), str(v)) for u, v in G.edges()] + assert edges_equal(G.edges(), [("a", "c"), ("a", "b"), ("c", "a"), ("c", "c")]) + + def test_write_p2g(self): + s = b"""foo +3 2 +1 +1 +2 +2 +3 + +""" + fh = io.BytesIO() + G = nx.DiGraph() + G.name = "foo" + G.add_edges_from([(1, 2), (2, 3)]) + write_p2g(G, fh) + fh.seek(0) + r = fh.read() + assert r == s + + def test_write_read_p2g(self): + fh = io.BytesIO() + G = nx.DiGraph() + G.name = "foo" + G.add_edges_from([("a", "b"), ("b", "c")]) + write_p2g(G, fh) + fh.seek(0) + H = read_p2g(fh) + assert edges_equal(G.edges(), H.edges()) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_pajek.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_pajek.py new file mode 100644 index 0000000000000000000000000000000000000000..6160c8bce033edd178cf02b9ce5a82ae5cd692e9 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_pajek.py @@ -0,0 +1,125 @@ +""" +Pajek tests +""" +import networkx as nx +from networkx.utils import edges_equal, nodes_equal + + +class TestPajek: + @classmethod + def setup_class(cls): + cls.data = """*network Tralala\n*vertices 4\n 1 "A1" 0.0938 0.0896 ellipse x_fact 1 y_fact 1\n 2 "Bb" 0.8188 0.2458 ellipse x_fact 1 y_fact 1\n 3 "C" 0.3688 0.7792 ellipse x_fact 1\n 4 "D2" 0.9583 0.8563 ellipse x_fact 1\n*arcs\n1 1 1 h2 0 w 3 c Blue s 3 a1 -130 k1 0.6 a2 -130 k2 0.6 ap 0.5 l "Bezier loop" lc BlueViolet fos 20 lr 58 lp 0.3 la 360\n2 1 1 h2 0 a1 120 k1 1.3 a2 -120 k2 0.3 ap 25 l "Bezier arc" lphi 270 la 180 lr 19 lp 0.5\n1 2 1 h2 0 a1 40 k1 2.8 a2 30 k2 0.8 ap 25 l "Bezier arc" lphi 90 la 0 lp 0.65\n4 2 -1 h2 0 w 1 k1 -2 k2 250 ap 25 l "Circular arc" c Red lc OrangeRed\n3 4 1 p Dashed h2 0 w 2 c OliveGreen ap 25 l "Straight arc" lc PineGreen\n1 3 1 p Dashed h2 0 w 5 k1 -1 k2 -20 ap 25 l "Oval arc" c Brown lc Black\n3 3 -1 h1 6 w 1 h2 12 k1 -2 k2 -15 ap 0.5 l "Circular loop" c Red lc OrangeRed lphi 270 la 180""" + cls.G = nx.MultiDiGraph() + cls.G.add_nodes_from(["A1", "Bb", "C", "D2"]) + cls.G.add_edges_from( + [ + ("A1", "A1"), + ("A1", "Bb"), + ("A1", "C"), + ("Bb", "A1"), + ("C", "C"), + ("C", "D2"), + ("D2", "Bb"), + ] + ) + + cls.G.graph["name"] = "Tralala" + + def test_parse_pajek_simple(self): + # Example without node positions or shape + data = """*Vertices 2\n1 "1"\n2 "2"\n*Edges\n1 2\n2 1""" + G = nx.parse_pajek(data) + assert sorted(G.nodes()) == ["1", "2"] + assert edges_equal(G.edges(), [("1", "2"), ("1", "2")]) + + def test_parse_pajek(self): + G = nx.parse_pajek(self.data) + assert sorted(G.nodes()) == ["A1", "Bb", "C", "D2"] + assert edges_equal( + G.edges(), + [ + ("A1", "A1"), + ("A1", "Bb"), + ("A1", "C"), + ("Bb", "A1"), + ("C", "C"), + ("C", "D2"), + ("D2", "Bb"), + ], + ) + + def test_parse_pajet_mat(self): + data = """*Vertices 3\n1 "one"\n2 "two"\n3 "three"\n*Matrix\n1 1 0\n0 1 0\n0 1 0\n""" + G = nx.parse_pajek(data) + assert set(G.nodes()) == {"one", "two", "three"} + assert G.nodes["two"] == {"id": "2"} + assert edges_equal( + set(G.edges()), + {("one", "one"), ("two", "one"), ("two", "two"), ("two", "three")}, + ) + + def test_read_pajek(self, tmp_path): + G = nx.parse_pajek(self.data) + # Read data from file + fname = tmp_path / "test.pjk" + with open(fname, "wb") as fh: + fh.write(self.data.encode("UTF-8")) + + Gin = nx.read_pajek(fname) + assert sorted(G.nodes()) == sorted(Gin.nodes()) + assert edges_equal(G.edges(), Gin.edges()) + assert self.G.graph == Gin.graph + for n in G: + assert G.nodes[n] == Gin.nodes[n] + + def test_write_pajek(self): + import io + + G = nx.parse_pajek(self.data) + fh = io.BytesIO() + nx.write_pajek(G, fh) + fh.seek(0) + H = nx.read_pajek(fh) + assert nodes_equal(list(G), list(H)) + assert edges_equal(list(G.edges()), list(H.edges())) + # Graph name is left out for now, therefore it is not tested. + # assert_equal(G.graph, H.graph) + + def test_ignored_attribute(self): + import io + + G = nx.Graph() + fh = io.BytesIO() + G.add_node(1, int_attr=1) + G.add_node(2, empty_attr=" ") + G.add_edge(1, 2, int_attr=2) + G.add_edge(2, 3, empty_attr=" ") + + import warnings + + with warnings.catch_warnings(record=True) as w: + nx.write_pajek(G, fh) + assert len(w) == 4 + + def test_noname(self): + # Make sure we can parse a line such as: *network + # Issue #952 + line = "*network\n" + other_lines = self.data.split("\n")[1:] + data = line + "\n".join(other_lines) + G = nx.parse_pajek(data) + + def test_unicode(self): + import io + + G = nx.Graph() + name1 = chr(2344) + chr(123) + chr(6543) + name2 = chr(5543) + chr(1543) + chr(324) + G.add_edge(name1, "Radiohead", foo=name2) + fh = io.BytesIO() + nx.write_pajek(G, fh) + fh.seek(0) + H = nx.read_pajek(fh) + assert nodes_equal(list(G), list(H)) + assert edges_equal(list(G.edges()), list(H.edges())) + assert G.graph == H.graph diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_sparse6.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_sparse6.py new file mode 100644 index 0000000000000000000000000000000000000000..344ad0e45ff42daea5c7cf99c56411e57173ddfe --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_sparse6.py @@ -0,0 +1,166 @@ +from io import BytesIO + +import pytest + +import networkx as nx +from networkx.utils import edges_equal, nodes_equal + + +class TestSparseGraph6: + def test_from_sparse6_bytes(self): + data = b":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM" + G = nx.from_sparse6_bytes(data) + assert nodes_equal( + sorted(G.nodes()), + [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], + ) + assert edges_equal( + G.edges(), + [ + (0, 1), + (0, 2), + (0, 3), + (1, 12), + (1, 14), + (2, 13), + (2, 15), + (3, 16), + (3, 17), + (4, 7), + (4, 9), + (4, 11), + (5, 6), + (5, 8), + (5, 9), + (6, 10), + (6, 11), + (7, 8), + (7, 10), + (8, 12), + (9, 15), + (10, 14), + (11, 13), + (12, 16), + (13, 17), + (14, 17), + (15, 16), + ], + ) + + def test_from_bytes_multigraph_graph(self): + graph_data = b":An" + G = nx.from_sparse6_bytes(graph_data) + assert type(G) == nx.Graph + multigraph_data = b":Ab" + M = nx.from_sparse6_bytes(multigraph_data) + assert type(M) == nx.MultiGraph + + def test_read_sparse6(self): + data = b":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM" + G = nx.from_sparse6_bytes(data) + fh = BytesIO(data) + Gin = nx.read_sparse6(fh) + assert nodes_equal(G.nodes(), Gin.nodes()) + assert edges_equal(G.edges(), Gin.edges()) + + def test_read_many_graph6(self): + # Read many graphs into list + data = b":Q___eDcdFcDeFcE`GaJ`IaHbKNbLM\n" b":Q___dCfDEdcEgcbEGbFIaJ`JaHN`IM" + fh = BytesIO(data) + glist = nx.read_sparse6(fh) + assert len(glist) == 2 + for G in glist: + assert nodes_equal( + G.nodes(), + [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17], + ) + + +class TestWriteSparse6: + """Unit tests for writing graphs in the sparse6 format. + + Most of the test cases were checked against the sparse6 encoder in Sage. + + """ + + def test_null_graph(self): + G = nx.null_graph() + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:?\n" + + def test_trivial_graph(self): + G = nx.trivial_graph() + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:@\n" + + def test_empty_graph(self): + G = nx.empty_graph(5) + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:D\n" + + def test_large_empty_graph(self): + G = nx.empty_graph(68) + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:~?@C\n" + + def test_very_large_empty_graph(self): + G = nx.empty_graph(258049) + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:~~???~?@\n" + + def test_complete_graph(self): + G = nx.complete_graph(4) + result = BytesIO() + nx.write_sparse6(G, result) + assert result.getvalue() == b">>sparse6<<:CcKI\n" + + def test_no_header(self): + G = nx.complete_graph(4) + result = BytesIO() + nx.write_sparse6(G, result, header=False) + assert result.getvalue() == b":CcKI\n" + + def test_padding(self): + codes = (b":Cdv", b":DaYn", b":EaYnN", b":FaYnL", b":GaYnLz") + for n, code in enumerate(codes, start=4): + G = nx.path_graph(n) + result = BytesIO() + nx.write_sparse6(G, result, header=False) + assert result.getvalue() == code + b"\n" + + def test_complete_bipartite(self): + G = nx.complete_bipartite_graph(6, 9) + result = BytesIO() + nx.write_sparse6(G, result) + # Compared with sage + expected = b">>sparse6<<:Nk" + b"?G`cJ" * 9 + b"\n" + assert result.getvalue() == expected + + def test_read_write_inverse(self): + for i in list(range(13)) + [31, 47, 62, 63, 64, 72]: + m = min(2 * i, i * i // 2) + g = nx.random_graphs.gnm_random_graph(i, m, seed=i) + gstr = BytesIO() + nx.write_sparse6(g, gstr, header=False) + # Strip the trailing newline. + gstr = gstr.getvalue().rstrip() + g2 = nx.from_sparse6_bytes(gstr) + assert g2.order() == g.order() + assert edges_equal(g2.edges(), g.edges()) + + def test_no_directed_graphs(self): + with pytest.raises(nx.NetworkXNotImplemented): + nx.write_sparse6(nx.DiGraph(), BytesIO()) + + def test_write_path(self, tmp_path): + # Get a valid temporary file name + fullfilename = str(tmp_path / "test.s6") + # file should be closed now, so write_sparse6 can open it + nx.write_sparse6(nx.null_graph(), fullfilename) + with open(fullfilename, mode="rb") as fh: + assert fh.read() == b">>sparse6<<:?\n" diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_text.py b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_text.py new file mode 100644 index 0000000000000000000000000000000000000000..0f788280d6d1e736910c9c9cf19abd96a48a1cba --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/readwrite/tests/test_text.py @@ -0,0 +1,1809 @@ +import random +from itertools import product +from textwrap import dedent + +import pytest + +import networkx as nx + + +def test_forest_str_directed(): + # Create a directed forest with labels + graph = nx.balanced_tree(r=2, h=2, create_using=nx.DiGraph) + for node in graph.nodes: + graph.nodes[node]["label"] = "node_" + chr(ord("a") + node) + + node_target = dedent( + """ + ╙── 0 + ├─╼ 1 + │ ├─╼ 3 + │ └─╼ 4 + └─╼ 2 + ├─╼ 5 + └─╼ 6 + """ + ).strip() + + label_target = dedent( + """ + ╙── node_a + ├─╼ node_b + │ ├─╼ node_d + │ └─╼ node_e + └─╼ node_c + ├─╼ node_f + └─╼ node_g + """ + ).strip() + + # Basic node case + ret = nx.forest_str(graph, with_labels=False) + print(ret) + assert ret == node_target + + # Basic label case + ret = nx.forest_str(graph, with_labels=True) + print(ret) + assert ret == label_target + + # Custom write function case + lines = [] + ret = nx.forest_str(graph, write=lines.append, with_labels=False) + assert ret is None + assert lines == node_target.split("\n") + + # Smoke test to ensure passing the print function works. To properly test + # this case we would need to capture stdout. (for potential reference + # implementation see :class:`ubelt.util_stream.CaptureStdout`) + ret = nx.forest_str(graph, write=print) + assert ret is None + + +def test_write_network_text_empty_graph(): + def _graph_str(g, **kw): + printbuf = [] + nx.write_network_text(g, printbuf.append, end="", **kw) + return "\n".join(printbuf) + + assert _graph_str(nx.DiGraph()) == "â•™" + assert _graph_str(nx.Graph()) == "â•™" + assert _graph_str(nx.DiGraph(), ascii_only=True) == "+" + assert _graph_str(nx.Graph(), ascii_only=True) == "+" + + +def test_write_network_text_within_forest_glyph(): + g = nx.DiGraph() + g.add_nodes_from([1, 2, 3, 4]) + g.add_edge(2, 4) + lines = [] + write = lines.append + nx.write_network_text(g, path=write, end="") + nx.write_network_text(g, path=write, ascii_only=True, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╟── 1 + ╟── 2 + â•Ž └─╼ 4 + ╙── 3 + +-- 1 + +-- 2 + : L-> 4 + +-- 3 + """ + ).strip() + assert text == target + + +def test_forest_str_directed_multi_tree(): + tree1 = nx.balanced_tree(r=2, h=2, create_using=nx.DiGraph) + tree2 = nx.balanced_tree(r=2, h=2, create_using=nx.DiGraph) + forest = nx.disjoint_union_all([tree1, tree2]) + ret = nx.forest_str(forest) + print(ret) + + target = dedent( + """ + ╟── 0 + â•Ž ├─╼ 1 + â•Ž │ ├─╼ 3 + â•Ž │ └─╼ 4 + â•Ž └─╼ 2 + â•Ž ├─╼ 5 + â•Ž └─╼ 6 + ╙── 7 + ├─╼ 8 + │ ├─╼ 10 + │ └─╼ 11 + └─╼ 9 + ├─╼ 12 + └─╼ 13 + """ + ).strip() + assert ret == target + + tree3 = nx.balanced_tree(r=2, h=2, create_using=nx.DiGraph) + forest = nx.disjoint_union_all([tree1, tree2, tree3]) + ret = nx.forest_str(forest, sources=[0, 14, 7]) + print(ret) + + target = dedent( + """ + ╟── 0 + â•Ž ├─╼ 1 + â•Ž │ ├─╼ 3 + â•Ž │ └─╼ 4 + â•Ž └─╼ 2 + â•Ž ├─╼ 5 + â•Ž └─╼ 6 + ╟── 14 + â•Ž ├─╼ 15 + â•Ž │ ├─╼ 17 + â•Ž │ └─╼ 18 + â•Ž └─╼ 16 + â•Ž ├─╼ 19 + â•Ž └─╼ 20 + ╙── 7 + ├─╼ 8 + │ ├─╼ 10 + │ └─╼ 11 + └─╼ 9 + ├─╼ 12 + └─╼ 13 + """ + ).strip() + assert ret == target + + ret = nx.forest_str(forest, sources=[0, 14, 7], ascii_only=True) + print(ret) + + target = dedent( + """ + +-- 0 + : |-> 1 + : | |-> 3 + : | L-> 4 + : L-> 2 + : |-> 5 + : L-> 6 + +-- 14 + : |-> 15 + : | |-> 17 + : | L-> 18 + : L-> 16 + : |-> 19 + : L-> 20 + +-- 7 + |-> 8 + | |-> 10 + | L-> 11 + L-> 9 + |-> 12 + L-> 13 + """ + ).strip() + assert ret == target + + +def test_forest_str_undirected_multi_tree(): + tree1 = nx.balanced_tree(r=2, h=2, create_using=nx.Graph) + tree2 = nx.balanced_tree(r=2, h=2, create_using=nx.Graph) + tree2 = nx.relabel_nodes(tree2, {n: n + len(tree1) for n in tree2.nodes}) + forest = nx.union(tree1, tree2) + ret = nx.forest_str(forest, sources=[0, 7]) + print(ret) + + target = dedent( + """ + ╟── 0 + â•Ž ├── 1 + â•Ž │ ├── 3 + â•Ž │ └── 4 + â•Ž └── 2 + â•Ž ├── 5 + â•Ž └── 6 + ╙── 7 + ├── 8 + │ ├── 10 + │ └── 11 + └── 9 + ├── 12 + └── 13 + """ + ).strip() + assert ret == target + + ret = nx.forest_str(forest, sources=[0, 7], ascii_only=True) + print(ret) + + target = dedent( + """ + +-- 0 + : |-- 1 + : | |-- 3 + : | L-- 4 + : L-- 2 + : |-- 5 + : L-- 6 + +-- 7 + |-- 8 + | |-- 10 + | L-- 11 + L-- 9 + |-- 12 + L-- 13 + """ + ).strip() + assert ret == target + + +def test_forest_str_undirected(): + # Create a directed forest + graph = nx.balanced_tree(r=2, h=2, create_using=nx.Graph) + + # arbitrary starting point + nx.forest_str(graph) + + node_target0 = dedent( + """ + ╙── 0 + ├── 1 + │ ├── 3 + │ └── 4 + └── 2 + ├── 5 + └── 6 + """ + ).strip() + + # defined starting point + ret = nx.forest_str(graph, sources=[0]) + print(ret) + assert ret == node_target0 + + # defined starting point + node_target2 = dedent( + """ + ╙── 2 + ├── 0 + │ └── 1 + │ ├── 3 + │ └── 4 + ├── 5 + └── 6 + """ + ).strip() + ret = nx.forest_str(graph, sources=[2]) + print(ret) + assert ret == node_target2 + + +def test_forest_str_errors(): + ugraph = nx.complete_graph(3, create_using=nx.Graph) + + with pytest.raises(nx.NetworkXNotImplemented): + nx.forest_str(ugraph) + + dgraph = nx.complete_graph(3, create_using=nx.DiGraph) + + with pytest.raises(nx.NetworkXNotImplemented): + nx.forest_str(dgraph) + + +def test_forest_str_overspecified_sources(): + """ + When sources are directly specified, we won't be able to determine when we + are in the last component, so there will always be a trailing, leftmost + pipe. + """ + graph = nx.disjoint_union_all( + [ + nx.balanced_tree(r=2, h=1, create_using=nx.DiGraph), + nx.balanced_tree(r=1, h=2, create_using=nx.DiGraph), + nx.balanced_tree(r=2, h=1, create_using=nx.DiGraph), + ] + ) + + # defined starting point + target1 = dedent( + """ + ╟── 0 + â•Ž ├─╼ 1 + â•Ž └─╼ 2 + ╟── 3 + â•Ž └─╼ 4 + â•Ž └─╼ 5 + ╟── 6 + â•Ž ├─╼ 7 + â•Ž └─╼ 8 + """ + ).strip() + + target2 = dedent( + """ + ╟── 0 + â•Ž ├─╼ 1 + â•Ž └─╼ 2 + ╟── 3 + â•Ž └─╼ 4 + â•Ž └─╼ 5 + ╙── 6 + ├─╼ 7 + └─╼ 8 + """ + ).strip() + + lines = [] + nx.forest_str(graph, write=lines.append, sources=graph.nodes) + got1 = "\n".join(lines) + print("got1: ") + print(got1) + + lines = [] + nx.forest_str(graph, write=lines.append) + got2 = "\n".join(lines) + print("got2: ") + print(got2) + + assert got1 == target1 + assert got2 == target2 + + +def test_write_network_text_iterative_add_directed_edges(): + """ + Walk through the cases going from a disconnected to fully connected graph + """ + graph = nx.DiGraph() + graph.add_nodes_from([1, 2, 3, 4]) + lines = [] + write = lines.append + write("--- initial state ---") + nx.write_network_text(graph, path=write, end="") + for i, j in product(graph.nodes, graph.nodes): + write(f"--- add_edge({i}, {j}) ---") + graph.add_edge(i, j) + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + # defined starting point + target = dedent( + """ + --- initial state --- + ╟── 1 + ╟── 2 + ╟── 3 + ╙── 4 + --- add_edge(1, 1) --- + ╟── 1 ╾ 1 + â•Ž └─╼ ... + ╟── 2 + ╟── 3 + ╙── 4 + --- add_edge(1, 2) --- + ╟── 1 ╾ 1 + â•Ž ├─╼ 2 + â•Ž └─╼ ... + ╟── 3 + ╙── 4 + --- add_edge(1, 3) --- + ╟── 1 ╾ 1 + â•Ž ├─╼ 2 + â•Ž ├─╼ 3 + â•Ž └─╼ ... + ╙── 4 + --- add_edge(1, 4) --- + ╙── 1 ╾ 1 + ├─╼ 2 + ├─╼ 3 + ├─╼ 4 + └─╼ ... + --- add_edge(2, 1) --- + ╙── 2 ╾ 1 + └─╼ 1 ╾ 1 + ├─╼ 3 + ├─╼ 4 + └─╼ ... + --- add_edge(2, 2) --- + ╙── 1 ╾ 1, 2 + ├─╼ 2 ╾ 2 + │ └─╼ ... + ├─╼ 3 + ├─╼ 4 + └─╼ ... + --- add_edge(2, 3) --- + ╙── 1 ╾ 1, 2 + ├─╼ 2 ╾ 2 + │ ├─╼ 3 ╾ 1 + │ └─╼ ... + ├─╼ 4 + └─╼ ... + --- add_edge(2, 4) --- + ╙── 1 ╾ 1, 2 + ├─╼ 2 ╾ 2 + │ ├─╼ 3 ╾ 1 + │ ├─╼ 4 ╾ 1 + │ └─╼ ... + └─╼ ... + --- add_edge(3, 1) --- + ╙── 2 ╾ 1, 2 + ├─╼ 1 ╾ 1, 3 + │ ├─╼ 3 ╾ 2 + │ │ └─╼ ... + │ ├─╼ 4 ╾ 2 + │ └─╼ ... + └─╼ ... + --- add_edge(3, 2) --- + ╙── 3 ╾ 1, 2 + ├─╼ 1 ╾ 1, 2 + │ ├─╼ 2 ╾ 2, 3 + │ │ ├─╼ 4 ╾ 1 + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(3, 3) --- + ╙── 1 ╾ 1, 2, 3 + ├─╼ 2 ╾ 2, 3 + │ ├─╼ 3 ╾ 1, 3 + │ │ └─╼ ... + │ ├─╼ 4 ╾ 1 + │ └─╼ ... + └─╼ ... + --- add_edge(3, 4) --- + ╙── 1 ╾ 1, 2, 3 + ├─╼ 2 ╾ 2, 3 + │ ├─╼ 3 ╾ 1, 3 + │ │ ├─╼ 4 ╾ 1, 2 + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(4, 1) --- + ╙── 2 ╾ 1, 2, 3 + ├─╼ 1 ╾ 1, 3, 4 + │ ├─╼ 3 ╾ 2, 3 + │ │ ├─╼ 4 ╾ 1, 2 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(4, 2) --- + ╙── 3 ╾ 1, 2, 3 + ├─╼ 1 ╾ 1, 2, 4 + │ ├─╼ 2 ╾ 2, 3, 4 + │ │ ├─╼ 4 ╾ 1, 3 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(4, 3) --- + ╙── 4 ╾ 1, 2, 3 + ├─╼ 1 ╾ 1, 2, 3 + │ ├─╼ 2 ╾ 2, 3, 4 + │ │ ├─╼ 3 ╾ 1, 3, 4 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(4, 4) --- + ╙── 1 ╾ 1, 2, 3, 4 + ├─╼ 2 ╾ 2, 3, 4 + │ ├─╼ 3 ╾ 1, 3, 4 + │ │ ├─╼ 4 ╾ 1, 2, 4 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + """ + ).strip() + assert target == text + + +def test_write_network_text_iterative_add_undirected_edges(): + """ + Walk through the cases going from a disconnected to fully connected graph + """ + graph = nx.Graph() + graph.add_nodes_from([1, 2, 3, 4]) + lines = [] + write = lines.append + write("--- initial state ---") + nx.write_network_text(graph, path=write, end="") + for i, j in product(graph.nodes, graph.nodes): + if i == j: + continue + write(f"--- add_edge({i}, {j}) ---") + graph.add_edge(i, j) + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- initial state --- + ╟── 1 + ╟── 2 + ╟── 3 + ╙── 4 + --- add_edge(1, 2) --- + ╟── 3 + ╟── 4 + ╙── 1 + └── 2 + --- add_edge(1, 3) --- + ╟── 4 + ╙── 2 + └── 1 + └── 3 + --- add_edge(1, 4) --- + ╙── 2 + └── 1 + ├── 3 + └── 4 + --- add_edge(2, 1) --- + ╙── 2 + └── 1 + ├── 3 + └── 4 + --- add_edge(2, 3) --- + ╙── 4 + └── 1 + ├── 2 + │ └── 3 ─ 1 + └── ... + --- add_edge(2, 4) --- + ╙── 3 + ├── 1 + │ ├── 2 ─ 3 + │ │ └── 4 ─ 1 + │ └── ... + └── ... + --- add_edge(3, 1) --- + ╙── 3 + ├── 1 + │ ├── 2 ─ 3 + │ │ └── 4 ─ 1 + │ └── ... + └── ... + --- add_edge(3, 2) --- + ╙── 3 + ├── 1 + │ ├── 2 ─ 3 + │ │ └── 4 ─ 1 + │ └── ... + └── ... + --- add_edge(3, 4) --- + ╙── 1 + ├── 2 + │ ├── 3 ─ 1 + │ │ └── 4 ─ 1, 2 + │ └── ... + └── ... + --- add_edge(4, 1) --- + ╙── 1 + ├── 2 + │ ├── 3 ─ 1 + │ │ └── 4 ─ 1, 2 + │ └── ... + └── ... + --- add_edge(4, 2) --- + ╙── 1 + ├── 2 + │ ├── 3 ─ 1 + │ │ └── 4 ─ 1, 2 + │ └── ... + └── ... + --- add_edge(4, 3) --- + ╙── 1 + ├── 2 + │ ├── 3 ─ 1 + │ │ └── 4 ─ 1, 2 + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_iterative_add_random_directed_edges(): + """ + Walk through the cases going from a disconnected to fully connected graph + """ + + rng = random.Random(724466096) + graph = nx.DiGraph() + graph.add_nodes_from([1, 2, 3, 4, 5]) + possible_edges = list(product(graph.nodes, graph.nodes)) + rng.shuffle(possible_edges) + graph.add_edges_from(possible_edges[0:8]) + lines = [] + write = lines.append + write("--- initial state ---") + nx.write_network_text(graph, path=write, end="") + for i, j in possible_edges[8:12]: + write(f"--- add_edge({i}, {j}) ---") + graph.add_edge(i, j) + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- initial state --- + ╙── 3 ╾ 5 + └─╼ 2 ╾ 2 + ├─╼ 4 ╾ 4 + │ ├─╼ 5 + │ │ ├─╼ 1 ╾ 1 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(4, 1) --- + ╙── 3 ╾ 5 + └─╼ 2 ╾ 2 + ├─╼ 4 ╾ 4 + │ ├─╼ 5 + │ │ ├─╼ 1 ╾ 1, 4 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(2, 1) --- + ╙── 3 ╾ 5 + └─╼ 2 ╾ 2 + ├─╼ 4 ╾ 4 + │ ├─╼ 5 + │ │ ├─╼ 1 ╾ 1, 4, 2 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(5, 2) --- + ╙── 3 ╾ 5 + └─╼ 2 ╾ 2, 5 + ├─╼ 4 ╾ 4 + │ ├─╼ 5 + │ │ ├─╼ 1 ╾ 1, 4, 2 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- add_edge(1, 5) --- + ╙── 3 ╾ 5 + └─╼ 2 ╾ 2, 5 + ├─╼ 4 ╾ 4 + │ ├─╼ 5 ╾ 1 + │ │ ├─╼ 1 ╾ 1, 4, 2 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + + """ + ).strip() + assert target == text + + +def test_write_network_text_nearly_forest(): + g = nx.DiGraph() + g.add_edge(1, 2) + g.add_edge(1, 5) + g.add_edge(2, 3) + g.add_edge(3, 4) + g.add_edge(5, 6) + g.add_edge(6, 7) + g.add_edge(6, 8) + orig = g.copy() + g.add_edge(1, 8) # forward edge + g.add_edge(4, 2) # back edge + g.add_edge(6, 3) # cross edge + lines = [] + write = lines.append + write("--- directed case ---") + nx.write_network_text(orig, path=write, end="") + write("--- add (1, 8), (4, 2), (6, 3) ---") + nx.write_network_text(g, path=write, end="") + write("--- undirected case ---") + nx.write_network_text(orig.to_undirected(), path=write, sources=[1], end="") + write("--- add (1, 8), (4, 2), (6, 3) ---") + nx.write_network_text(g.to_undirected(), path=write, sources=[1], end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- directed case --- + ╙── 1 + ├─╼ 2 + │ └─╼ 3 + │ └─╼ 4 + └─╼ 5 + └─╼ 6 + ├─╼ 7 + └─╼ 8 + --- add (1, 8), (4, 2), (6, 3) --- + ╙── 1 + ├─╼ 2 ╾ 4 + │ └─╼ 3 ╾ 6 + │ └─╼ 4 + │ └─╼ ... + ├─╼ 5 + │ └─╼ 6 + │ ├─╼ 7 + │ ├─╼ 8 ╾ 1 + │ └─╼ ... + └─╼ ... + --- undirected case --- + ╙── 1 + ├── 2 + │ └── 3 + │ └── 4 + └── 5 + └── 6 + ├── 7 + └── 8 + --- add (1, 8), (4, 2), (6, 3) --- + ╙── 1 + ├── 2 + │ ├── 3 + │ │ ├── 4 ─ 2 + │ │ └── 6 + │ │ ├── 5 ─ 1 + │ │ ├── 7 + │ │ └── 8 ─ 1 + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_complete_graph_ascii_only(): + graph = nx.generators.complete_graph(5, create_using=nx.DiGraph) + lines = [] + write = lines.append + write("--- directed case ---") + nx.write_network_text(graph, path=write, ascii_only=True, end="") + write("--- undirected case ---") + nx.write_network_text(graph.to_undirected(), path=write, ascii_only=True, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- directed case --- + +-- 0 <- 1, 2, 3, 4 + |-> 1 <- 2, 3, 4 + | |-> 2 <- 0, 3, 4 + | | |-> 3 <- 0, 1, 4 + | | | |-> 4 <- 0, 1, 2 + | | | | L-> ... + | | | L-> ... + | | L-> ... + | L-> ... + L-> ... + --- undirected case --- + +-- 0 + |-- 1 + | |-- 2 - 0 + | | |-- 3 - 0, 1 + | | | L-- 4 - 0, 1, 2 + | | L-- ... + | L-- ... + L-- ... + """ + ).strip() + assert target == text + + +def test_write_network_text_with_labels(): + graph = nx.generators.complete_graph(5, create_using=nx.DiGraph) + for n in graph.nodes: + graph.nodes[n]["label"] = f"Node(n={n})" + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, with_labels=True, ascii_only=False, end="") + text = "\n".join(lines) + print(text) + # Non trees with labels can get somewhat out of hand with network text + # because we need to immediately show every non-tree edge to the right + target = dedent( + """ + ╙── Node(n=0) ╾ Node(n=1), Node(n=2), Node(n=3), Node(n=4) + ├─╼ Node(n=1) ╾ Node(n=2), Node(n=3), Node(n=4) + │ ├─╼ Node(n=2) ╾ Node(n=0), Node(n=3), Node(n=4) + │ │ ├─╼ Node(n=3) ╾ Node(n=0), Node(n=1), Node(n=4) + │ │ │ ├─╼ Node(n=4) ╾ Node(n=0), Node(n=1), Node(n=2) + │ │ │ │ └─╼ ... + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + """ + ).strip() + assert target == text + + +def test_write_network_text_complete_graphs(): + lines = [] + write = lines.append + for k in [0, 1, 2, 3, 4, 5]: + g = nx.generators.complete_graph(k) + write(f"--- undirected k={k} ---") + nx.write_network_text(g, path=write, end="") + + for k in [0, 1, 2, 3, 4, 5]: + g = nx.generators.complete_graph(k, nx.DiGraph) + write(f"--- directed k={k} ---") + nx.write_network_text(g, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- undirected k=0 --- + â•™ + --- undirected k=1 --- + ╙── 0 + --- undirected k=2 --- + ╙── 0 + └── 1 + --- undirected k=3 --- + ╙── 0 + ├── 1 + │ └── 2 ─ 0 + └── ... + --- undirected k=4 --- + ╙── 0 + ├── 1 + │ ├── 2 ─ 0 + │ │ └── 3 ─ 0, 1 + │ └── ... + └── ... + --- undirected k=5 --- + ╙── 0 + ├── 1 + │ ├── 2 ─ 0 + │ │ ├── 3 ─ 0, 1 + │ │ │ └── 4 ─ 0, 1, 2 + │ │ └── ... + │ └── ... + └── ... + --- directed k=0 --- + â•™ + --- directed k=1 --- + ╙── 0 + --- directed k=2 --- + ╙── 0 ╾ 1 + └─╼ 1 + └─╼ ... + --- directed k=3 --- + ╙── 0 ╾ 1, 2 + ├─╼ 1 ╾ 2 + │ ├─╼ 2 ╾ 0 + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- directed k=4 --- + ╙── 0 ╾ 1, 2, 3 + ├─╼ 1 ╾ 2, 3 + │ ├─╼ 2 ╾ 0, 3 + │ │ ├─╼ 3 ╾ 0, 1 + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- directed k=5 --- + ╙── 0 ╾ 1, 2, 3, 4 + ├─╼ 1 ╾ 2, 3, 4 + │ ├─╼ 2 ╾ 0, 3, 4 + │ │ ├─╼ 3 ╾ 0, 1, 4 + │ │ │ ├─╼ 4 ╾ 0, 1, 2 + │ │ │ │ └─╼ ... + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + """ + ).strip() + assert target == text + + +def test_write_network_text_multiple_sources(): + g = nx.DiGraph() + g.add_edge(1, 2) + g.add_edge(1, 3) + g.add_edge(2, 4) + g.add_edge(3, 5) + g.add_edge(3, 6) + g.add_edge(5, 4) + g.add_edge(4, 1) + g.add_edge(1, 5) + lines = [] + write = lines.append + # Use each node as the starting point to demonstrate how the representation + # changes. + nodes = sorted(g.nodes()) + for n in nodes: + write(f"--- source node: {n} ---") + nx.write_network_text(g, path=write, sources=[n], end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- source node: 1 --- + ╙── 1 ╾ 4 + ├─╼ 2 + │ └─╼ 4 ╾ 5 + │ └─╼ ... + ├─╼ 3 + │ ├─╼ 5 ╾ 1 + │ │ └─╼ ... + │ └─╼ 6 + └─╼ ... + --- source node: 2 --- + ╙── 2 ╾ 1 + └─╼ 4 ╾ 5 + └─╼ 1 + ├─╼ 3 + │ ├─╼ 5 ╾ 1 + │ │ └─╼ ... + │ └─╼ 6 + └─╼ ... + --- source node: 3 --- + ╙── 3 ╾ 1 + ├─╼ 5 ╾ 1 + │ └─╼ 4 ╾ 2 + │ └─╼ 1 + │ ├─╼ 2 + │ │ └─╼ ... + │ └─╼ ... + └─╼ 6 + --- source node: 4 --- + ╙── 4 ╾ 2, 5 + └─╼ 1 + ├─╼ 2 + │ └─╼ ... + ├─╼ 3 + │ ├─╼ 5 ╾ 1 + │ │ └─╼ ... + │ └─╼ 6 + └─╼ ... + --- source node: 5 --- + ╙── 5 ╾ 3, 1 + └─╼ 4 ╾ 2 + └─╼ 1 + ├─╼ 2 + │ └─╼ ... + ├─╼ 3 + │ ├─╼ 6 + │ └─╼ ... + └─╼ ... + --- source node: 6 --- + ╙── 6 ╾ 3 + """ + ).strip() + assert target == text + + +def test_write_network_text_star_graph(): + graph = nx.star_graph(5, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 1 + └── 0 + ├── 2 + ├── 3 + ├── 4 + └── 5 + """ + ).strip() + assert target == text + + +def test_write_network_text_path_graph(): + graph = nx.path_graph(3, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 0 + └── 1 + └── 2 + """ + ).strip() + assert target == text + + +def test_write_network_text_lollipop_graph(): + graph = nx.lollipop_graph(4, 2, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 5 + └── 4 + └── 3 + ├── 0 + │ ├── 1 ─ 3 + │ │ └── 2 ─ 0, 3 + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_wheel_graph(): + graph = nx.wheel_graph(7, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 1 + ├── 0 + │ ├── 2 ─ 1 + │ │ └── 3 ─ 0 + │ │ └── 4 ─ 0 + │ │ └── 5 ─ 0 + │ │ └── 6 ─ 0, 1 + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_circular_ladder_graph(): + graph = nx.circular_ladder_graph(4, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 0 + ├── 1 + │ ├── 2 + │ │ ├── 3 ─ 0 + │ │ │ └── 7 + │ │ │ ├── 6 ─ 2 + │ │ │ │ └── 5 ─ 1 + │ │ │ │ └── 4 ─ 0, 7 + │ │ │ └── ... + │ │ └── ... + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_dorogovtsev_goltsev_mendes_graph(): + graph = nx.dorogovtsev_goltsev_mendes_graph(4, create_using=nx.Graph) + lines = [] + write = lines.append + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + ╙── 15 + ├── 0 + │ ├── 1 ─ 15 + │ │ ├── 2 ─ 0 + │ │ │ ├── 4 ─ 0 + │ │ │ │ ├── 9 ─ 0 + │ │ │ │ │ ├── 22 ─ 0 + │ │ │ │ │ └── 38 ─ 4 + │ │ │ │ ├── 13 ─ 2 + │ │ │ │ │ ├── 34 ─ 2 + │ │ │ │ │ └── 39 ─ 4 + │ │ │ │ ├── 18 ─ 0 + │ │ │ │ ├── 30 ─ 2 + │ │ │ │ └── ... + │ │ │ ├── 5 ─ 1 + │ │ │ │ ├── 12 ─ 1 + │ │ │ │ │ ├── 29 ─ 1 + │ │ │ │ │ └── 40 ─ 5 + │ │ │ │ ├── 14 ─ 2 + │ │ │ │ │ ├── 35 ─ 2 + │ │ │ │ │ └── 41 ─ 5 + │ │ │ │ ├── 25 ─ 1 + │ │ │ │ ├── 31 ─ 2 + │ │ │ │ └── ... + │ │ │ ├── 7 ─ 0 + │ │ │ │ ├── 20 ─ 0 + │ │ │ │ └── 32 ─ 2 + │ │ │ ├── 10 ─ 1 + │ │ │ │ ├── 27 ─ 1 + │ │ │ │ └── 33 ─ 2 + │ │ │ ├── 16 ─ 0 + │ │ │ ├── 23 ─ 1 + │ │ │ └── ... + │ │ ├── 3 ─ 0 + │ │ │ ├── 8 ─ 0 + │ │ │ │ ├── 21 ─ 0 + │ │ │ │ └── 36 ─ 3 + │ │ │ ├── 11 ─ 1 + │ │ │ │ ├── 28 ─ 1 + │ │ │ │ └── 37 ─ 3 + │ │ │ ├── 17 ─ 0 + │ │ │ ├── 24 ─ 1 + │ │ │ └── ... + │ │ ├── 6 ─ 0 + │ │ │ ├── 19 ─ 0 + │ │ │ └── 26 ─ 1 + │ │ └── ... + │ └── ... + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_tree_max_depth(): + orig = nx.balanced_tree(r=1, h=3, create_using=nx.DiGraph) + lines = [] + write = lines.append + write("--- directed case, max_depth=0 ---") + nx.write_network_text(orig, path=write, end="", max_depth=0) + write("--- directed case, max_depth=1 ---") + nx.write_network_text(orig, path=write, end="", max_depth=1) + write("--- directed case, max_depth=2 ---") + nx.write_network_text(orig, path=write, end="", max_depth=2) + write("--- directed case, max_depth=3 ---") + nx.write_network_text(orig, path=write, end="", max_depth=3) + write("--- directed case, max_depth=4 ---") + nx.write_network_text(orig, path=write, end="", max_depth=4) + write("--- undirected case, max_depth=0 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=0) + write("--- undirected case, max_depth=1 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=1) + write("--- undirected case, max_depth=2 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=2) + write("--- undirected case, max_depth=3 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=3) + write("--- undirected case, max_depth=4 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=4) + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- directed case, max_depth=0 --- + â•™ ... + --- directed case, max_depth=1 --- + ╙── 0 + └─╼ ... + --- directed case, max_depth=2 --- + ╙── 0 + └─╼ 1 + └─╼ ... + --- directed case, max_depth=3 --- + ╙── 0 + └─╼ 1 + └─╼ 2 + └─╼ ... + --- directed case, max_depth=4 --- + ╙── 0 + └─╼ 1 + └─╼ 2 + └─╼ 3 + --- undirected case, max_depth=0 --- + â•™ ... + --- undirected case, max_depth=1 --- + ╙── 0 ─ 1 + └── ... + --- undirected case, max_depth=2 --- + ╙── 0 + └── 1 ─ 2 + └── ... + --- undirected case, max_depth=3 --- + ╙── 0 + └── 1 + └── 2 ─ 3 + └── ... + --- undirected case, max_depth=4 --- + ╙── 0 + └── 1 + └── 2 + └── 3 + """ + ).strip() + assert target == text + + +def test_write_network_text_graph_max_depth(): + orig = nx.erdos_renyi_graph(10, 0.15, directed=True, seed=40392) + lines = [] + write = lines.append + write("--- directed case, max_depth=None ---") + nx.write_network_text(orig, path=write, end="", max_depth=None) + write("--- directed case, max_depth=0 ---") + nx.write_network_text(orig, path=write, end="", max_depth=0) + write("--- directed case, max_depth=1 ---") + nx.write_network_text(orig, path=write, end="", max_depth=1) + write("--- directed case, max_depth=2 ---") + nx.write_network_text(orig, path=write, end="", max_depth=2) + write("--- directed case, max_depth=3 ---") + nx.write_network_text(orig, path=write, end="", max_depth=3) + write("--- undirected case, max_depth=None ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=None) + write("--- undirected case, max_depth=0 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=0) + write("--- undirected case, max_depth=1 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=1) + write("--- undirected case, max_depth=2 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=2) + write("--- undirected case, max_depth=3 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=3) + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- directed case, max_depth=None --- + ╟── 4 + â•Ž ├─╼ 0 ╾ 3 + â•Ž ├─╼ 5 ╾ 7 + â•Ž │ └─╼ 3 + â•Ž │ ├─╼ 1 ╾ 9 + â•Ž │ │ └─╼ 9 ╾ 6 + â•Ž │ │ ├─╼ 6 + â•Ž │ │ │ └─╼ ... + â•Ž │ │ ├─╼ 7 ╾ 4 + â•Ž │ │ │ ├─╼ 2 + â•Ž │ │ │ └─╼ ... + â•Ž │ │ └─╼ ... + â•Ž │ └─╼ ... + â•Ž └─╼ ... + ╙── 8 + --- directed case, max_depth=0 --- + â•™ ... + --- directed case, max_depth=1 --- + ╟── 4 + â•Ž └─╼ ... + ╙── 8 + --- directed case, max_depth=2 --- + ╟── 4 + â•Ž ├─╼ 0 ╾ 3 + â•Ž ├─╼ 5 ╾ 7 + â•Ž │ └─╼ ... + â•Ž └─╼ 7 ╾ 9 + â•Ž └─╼ ... + ╙── 8 + --- directed case, max_depth=3 --- + ╟── 4 + â•Ž ├─╼ 0 ╾ 3 + â•Ž ├─╼ 5 ╾ 7 + â•Ž │ └─╼ 3 + â•Ž │ └─╼ ... + â•Ž └─╼ 7 ╾ 9 + â•Ž ├─╼ 2 + â•Ž └─╼ ... + ╙── 8 + --- undirected case, max_depth=None --- + ╟── 8 + ╙── 2 + └── 7 + ├── 4 + │ ├── 0 + │ │ └── 3 + │ │ ├── 1 + │ │ │ └── 9 ─ 7 + │ │ │ └── 6 + │ │ └── 5 ─ 4, 7 + │ └── ... + └── ... + --- undirected case, max_depth=0 --- + â•™ ... + --- undirected case, max_depth=1 --- + ╟── 8 + ╙── 2 ─ 7 + └── ... + --- undirected case, max_depth=2 --- + ╟── 8 + ╙── 2 + └── 7 ─ 4, 5, 9 + └── ... + --- undirected case, max_depth=3 --- + ╟── 8 + ╙── 2 + └── 7 + ├── 4 ─ 0, 5 + │ └── ... + ├── 5 ─ 4, 3 + │ └── ... + └── 9 ─ 1, 6 + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_clique_max_depth(): + orig = nx.complete_graph(5, nx.DiGraph) + lines = [] + write = lines.append + write("--- directed case, max_depth=None ---") + nx.write_network_text(orig, path=write, end="", max_depth=None) + write("--- directed case, max_depth=0 ---") + nx.write_network_text(orig, path=write, end="", max_depth=0) + write("--- directed case, max_depth=1 ---") + nx.write_network_text(orig, path=write, end="", max_depth=1) + write("--- directed case, max_depth=2 ---") + nx.write_network_text(orig, path=write, end="", max_depth=2) + write("--- directed case, max_depth=3 ---") + nx.write_network_text(orig, path=write, end="", max_depth=3) + write("--- undirected case, max_depth=None ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=None) + write("--- undirected case, max_depth=0 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=0) + write("--- undirected case, max_depth=1 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=1) + write("--- undirected case, max_depth=2 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=2) + write("--- undirected case, max_depth=3 ---") + nx.write_network_text(orig.to_undirected(), path=write, end="", max_depth=3) + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- directed case, max_depth=None --- + ╙── 0 ╾ 1, 2, 3, 4 + ├─╼ 1 ╾ 2, 3, 4 + │ ├─╼ 2 ╾ 0, 3, 4 + │ │ ├─╼ 3 ╾ 0, 1, 4 + │ │ │ ├─╼ 4 ╾ 0, 1, 2 + │ │ │ │ └─╼ ... + │ │ │ └─╼ ... + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- directed case, max_depth=0 --- + â•™ ... + --- directed case, max_depth=1 --- + ╙── 0 ╾ 1, 2, 3, 4 + └─╼ ... + --- directed case, max_depth=2 --- + ╙── 0 ╾ 1, 2, 3, 4 + ├─╼ 1 ╾ 2, 3, 4 + │ └─╼ ... + ├─╼ 2 ╾ 1, 3, 4 + │ └─╼ ... + ├─╼ 3 ╾ 1, 2, 4 + │ └─╼ ... + └─╼ 4 ╾ 1, 2, 3 + └─╼ ... + --- directed case, max_depth=3 --- + ╙── 0 ╾ 1, 2, 3, 4 + ├─╼ 1 ╾ 2, 3, 4 + │ ├─╼ 2 ╾ 0, 3, 4 + │ │ └─╼ ... + │ ├─╼ 3 ╾ 0, 2, 4 + │ │ └─╼ ... + │ ├─╼ 4 ╾ 0, 2, 3 + │ │ └─╼ ... + │ └─╼ ... + └─╼ ... + --- undirected case, max_depth=None --- + ╙── 0 + ├── 1 + │ ├── 2 ─ 0 + │ │ ├── 3 ─ 0, 1 + │ │ │ └── 4 ─ 0, 1, 2 + │ │ └── ... + │ └── ... + └── ... + --- undirected case, max_depth=0 --- + â•™ ... + --- undirected case, max_depth=1 --- + ╙── 0 ─ 1, 2, 3, 4 + └── ... + --- undirected case, max_depth=2 --- + ╙── 0 + ├── 1 ─ 2, 3, 4 + │ └── ... + ├── 2 ─ 1, 3, 4 + │ └── ... + ├── 3 ─ 1, 2, 4 + │ └── ... + └── 4 ─ 1, 2, 3 + --- undirected case, max_depth=3 --- + ╙── 0 + ├── 1 + │ ├── 2 ─ 0, 3, 4 + │ │ └── ... + │ ├── 3 ─ 0, 2, 4 + │ │ └── ... + │ └── 4 ─ 0, 2, 3 + └── ... + """ + ).strip() + assert target == text + + +def test_write_network_text_custom_label(): + # Create a directed forest with labels + graph = nx.erdos_renyi_graph(5, 0.4, directed=True, seed=359222358) + for node in graph.nodes: + graph.nodes[node]["label"] = f"Node({node})" + graph.nodes[node]["chr"] = chr(node + ord("a") - 1) + if node % 2 == 0: + graph.nodes[node]["part"] = chr(node + ord("a")) + + lines = [] + write = lines.append + write("--- when with_labels=True, uses the 'label' attr ---") + nx.write_network_text(graph, path=write, with_labels=True, end="", max_depth=None) + write("--- when with_labels=False, uses str(node) value ---") + nx.write_network_text(graph, path=write, with_labels=False, end="", max_depth=None) + write("--- when with_labels is a string, use that attr ---") + nx.write_network_text(graph, path=write, with_labels="chr", end="", max_depth=None) + write("--- fallback to str(node) when the attr does not exist ---") + nx.write_network_text(graph, path=write, with_labels="part", end="", max_depth=None) + + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- when with_labels=True, uses the 'label' attr --- + ╙── Node(1) + └─╼ Node(3) ╾ Node(2) + ├─╼ Node(0) + │ ├─╼ Node(2) ╾ Node(3), Node(4) + │ │ └─╼ ... + │ └─╼ Node(4) + │ └─╼ ... + └─╼ ... + --- when with_labels=False, uses str(node) value --- + ╙── 1 + └─╼ 3 ╾ 2 + ├─╼ 0 + │ ├─╼ 2 ╾ 3, 4 + │ │ └─╼ ... + │ └─╼ 4 + │ └─╼ ... + └─╼ ... + --- when with_labels is a string, use that attr --- + ╙── a + └─╼ c ╾ b + ├─╼ ` + │ ├─╼ b ╾ c, d + │ │ └─╼ ... + │ └─╼ d + │ └─╼ ... + └─╼ ... + --- fallback to str(node) when the attr does not exist --- + ╙── 1 + └─╼ 3 ╾ c + ├─╼ a + │ ├─╼ c ╾ 3, e + │ │ └─╼ ... + │ └─╼ e + │ └─╼ ... + └─╼ ... + """ + ).strip() + assert target == text + + +def test_write_network_text_vertical_chains(): + graph1 = nx.lollipop_graph(4, 2, create_using=nx.Graph) + graph1.add_edge(0, -1) + graph1.add_edge(-1, -2) + graph1.add_edge(-2, -3) + + graph2 = graph1.to_directed() + graph2.remove_edges_from([(u, v) for u, v in graph2.edges if v > u]) + + lines = [] + write = lines.append + write("--- Undirected UTF ---") + nx.write_network_text(graph1, path=write, end="", vertical_chains=True) + write("--- Undirected ASCI ---") + nx.write_network_text( + graph1, path=write, end="", vertical_chains=True, ascii_only=True + ) + write("--- Directed UTF ---") + nx.write_network_text(graph2, path=write, end="", vertical_chains=True) + write("--- Directed ASCI ---") + nx.write_network_text( + graph2, path=write, end="", vertical_chains=True, ascii_only=True + ) + + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- Undirected UTF --- + ╙── 5 + │ + 4 + │ + 3 + ├── 0 + │ ├── 1 ─ 3 + │ │ │ + │ │ 2 ─ 0, 3 + │ ├── -1 + │ │ │ + │ │ -2 + │ │ │ + │ │ -3 + │ └── ... + └── ... + --- Undirected ASCI --- + +-- 5 + | + 4 + | + 3 + |-- 0 + | |-- 1 - 3 + | | | + | | 2 - 0, 3 + | |-- -1 + | | | + | | -2 + | | | + | | -3 + | L-- ... + L-- ... + --- Directed UTF --- + ╙── 5 + ╽ + 4 + ╽ + 3 + ├─╼ 0 ╾ 1, 2 + │ ╽ + │ -1 + │ ╽ + │ -2 + │ ╽ + │ -3 + ├─╼ 1 ╾ 2 + │ └─╼ ... + └─╼ 2 + └─╼ ... + --- Directed ASCI --- + +-- 5 + ! + 4 + ! + 3 + |-> 0 <- 1, 2 + | ! + | -1 + | ! + | -2 + | ! + | -3 + |-> 1 <- 2 + | L-> ... + L-> 2 + L-> ... + """ + ).strip() + assert target == text + + +def test_collapse_directed(): + graph = nx.balanced_tree(r=2, h=3, create_using=nx.DiGraph) + lines = [] + write = lines.append + write("--- Original ---") + nx.write_network_text(graph, path=write, end="") + graph.nodes[1]["collapse"] = True + write("--- Collapse Node 1 ---") + nx.write_network_text(graph, path=write, end="") + write("--- Add alternate path (5, 3) to collapsed zone") + graph.add_edge(5, 3) + nx.write_network_text(graph, path=write, end="") + write("--- Collapse Node 0 ---") + graph.nodes[0]["collapse"] = True + nx.write_network_text(graph, path=write, end="") + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- Original --- + ╙── 0 + ├─╼ 1 + │ ├─╼ 3 + │ │ ├─╼ 7 + │ │ └─╼ 8 + │ └─╼ 4 + │ ├─╼ 9 + │ └─╼ 10 + └─╼ 2 + ├─╼ 5 + │ ├─╼ 11 + │ └─╼ 12 + └─╼ 6 + ├─╼ 13 + └─╼ 14 + --- Collapse Node 1 --- + ╙── 0 + ├─╼ 1 + │ └─╼ ... + └─╼ 2 + ├─╼ 5 + │ ├─╼ 11 + │ └─╼ 12 + └─╼ 6 + ├─╼ 13 + └─╼ 14 + --- Add alternate path (5, 3) to collapsed zone + ╙── 0 + ├─╼ 1 + │ └─╼ ... + └─╼ 2 + ├─╼ 5 + │ ├─╼ 11 + │ ├─╼ 12 + │ └─╼ 3 ╾ 1 + │ ├─╼ 7 + │ └─╼ 8 + └─╼ 6 + ├─╼ 13 + └─╼ 14 + --- Collapse Node 0 --- + ╙── 0 + └─╼ ... + """ + ).strip() + assert target == text + + +def test_collapse_undirected(): + graph = nx.balanced_tree(r=2, h=3, create_using=nx.Graph) + lines = [] + write = lines.append + write("--- Original ---") + nx.write_network_text(graph, path=write, end="", sources=[0]) + graph.nodes[1]["collapse"] = True + write("--- Collapse Node 1 ---") + nx.write_network_text(graph, path=write, end="", sources=[0]) + write("--- Add alternate path (5, 3) to collapsed zone") + graph.add_edge(5, 3) + nx.write_network_text(graph, path=write, end="", sources=[0]) + write("--- Collapse Node 0 ---") + graph.nodes[0]["collapse"] = True + nx.write_network_text(graph, path=write, end="", sources=[0]) + text = "\n".join(lines) + print(text) + target = dedent( + """ + --- Original --- + ╙── 0 + ├── 1 + │ ├── 3 + │ │ ├── 7 + │ │ └── 8 + │ └── 4 + │ ├── 9 + │ └── 10 + └── 2 + ├── 5 + │ ├── 11 + │ └── 12 + └── 6 + ├── 13 + └── 14 + --- Collapse Node 1 --- + ╙── 0 + ├── 1 ─ 3, 4 + │ └── ... + └── 2 + ├── 5 + │ ├── 11 + │ └── 12 + └── 6 + ├── 13 + └── 14 + --- Add alternate path (5, 3) to collapsed zone + ╙── 0 + ├── 1 ─ 3, 4 + │ └── ... + └── 2 + ├── 5 + │ ├── 11 + │ ├── 12 + │ └── 3 ─ 1 + │ ├── 7 + │ └── 8 + └── 6 + ├── 13 + └── 14 + --- Collapse Node 0 --- + ╙── 0 ─ 1, 2 + └── ... + """ + ).strip() + assert target == text + + +def generate_test_graphs(): + """ + Generate a gauntlet of different test graphs with different properties + """ + import random + + rng = random.Random(976689776) + num_randomized = 3 + + for directed in [0, 1]: + cls = nx.DiGraph if directed else nx.Graph + + for num_nodes in range(17): + # Disconnected graph + graph = cls() + graph.add_nodes_from(range(num_nodes)) + yield graph + + # Randomize graphs + if num_nodes > 0: + for p in [0.1, 0.3, 0.5, 0.7, 0.9]: + for seed in range(num_randomized): + graph = nx.erdos_renyi_graph( + num_nodes, p, directed=directed, seed=rng + ) + yield graph + + yield nx.complete_graph(num_nodes, cls) + + yield nx.path_graph(3, create_using=cls) + yield nx.balanced_tree(r=1, h=3, create_using=cls) + if not directed: + yield nx.circular_ladder_graph(4, create_using=cls) + yield nx.star_graph(5, create_using=cls) + yield nx.lollipop_graph(4, 2, create_using=cls) + yield nx.wheel_graph(7, create_using=cls) + yield nx.dorogovtsev_goltsev_mendes_graph(4, create_using=cls) + + +@pytest.mark.parametrize( + ("vertical_chains", "ascii_only"), + tuple( + [ + (vertical_chains, ascii_only) + for vertical_chains in [0, 1] + for ascii_only in [0, 1] + ] + ), +) +def test_network_text_round_trip(vertical_chains, ascii_only): + """ + Write the graph to network text format, then parse it back in, assert it is + the same as the original graph. Passing this test is strong validation of + both the format generator and parser. + """ + from networkx.readwrite.text import _parse_network_text + + for graph in generate_test_graphs(): + graph = nx.relabel_nodes(graph, {n: str(n) for n in graph.nodes}) + lines = list( + nx.generate_network_text( + graph, vertical_chains=vertical_chains, ascii_only=ascii_only + ) + ) + new = _parse_network_text(lines) + try: + assert new.nodes == graph.nodes + assert new.edges == graph.edges + except Exception: + print("ERROR in round trip with graph") + nx.write_network_text(graph) + raise diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_numpy.py b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_numpy.py new file mode 100644 index 0000000000000000000000000000000000000000..ab73172a4b55eb91e60747f5a8957d7a600eb85a --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_numpy.py @@ -0,0 +1,395 @@ +import pytest + +np = pytest.importorskip("numpy") +npt = pytest.importorskip("numpy.testing") + +import networkx as nx +from networkx.generators.classic import barbell_graph, cycle_graph, path_graph +from networkx.utils import graphs_equal + + +class TestConvertNumpyArray: + def setup_method(self): + self.G1 = barbell_graph(10, 3) + self.G2 = cycle_graph(10, create_using=nx.DiGraph) + self.G3 = self.create_weighted(nx.Graph()) + self.G4 = self.create_weighted(nx.DiGraph()) + + def create_weighted(self, G): + g = cycle_graph(4) + G.add_nodes_from(g) + G.add_weighted_edges_from((u, v, 10 + u) for u, v in g.edges()) + return G + + def assert_equal(self, G1, G2): + assert sorted(G1.nodes()) == sorted(G2.nodes()) + assert sorted(G1.edges()) == sorted(G2.edges()) + + def identity_conversion(self, G, A, create_using): + assert A.sum() > 0 + GG = nx.from_numpy_array(A, create_using=create_using) + self.assert_equal(G, GG) + GW = nx.to_networkx_graph(A, create_using=create_using) + self.assert_equal(G, GW) + GI = nx.empty_graph(0, create_using).__class__(A) + self.assert_equal(G, GI) + + def test_shape(self): + "Conversion from non-square array." + A = np.array([[1, 2, 3], [4, 5, 6]]) + pytest.raises(nx.NetworkXError, nx.from_numpy_array, A) + + def test_identity_graph_array(self): + "Conversion from graph to array to graph." + A = nx.to_numpy_array(self.G1) + self.identity_conversion(self.G1, A, nx.Graph()) + + def test_identity_digraph_array(self): + """Conversion from digraph to array to digraph.""" + A = nx.to_numpy_array(self.G2) + self.identity_conversion(self.G2, A, nx.DiGraph()) + + def test_identity_weighted_graph_array(self): + """Conversion from weighted graph to array to weighted graph.""" + A = nx.to_numpy_array(self.G3) + self.identity_conversion(self.G3, A, nx.Graph()) + + def test_identity_weighted_digraph_array(self): + """Conversion from weighted digraph to array to weighted digraph.""" + A = nx.to_numpy_array(self.G4) + self.identity_conversion(self.G4, A, nx.DiGraph()) + + def test_nodelist(self): + """Conversion from graph to array to graph with nodelist.""" + P4 = path_graph(4) + P3 = path_graph(3) + nodelist = list(P3) + A = nx.to_numpy_array(P4, nodelist=nodelist) + GA = nx.Graph(A) + self.assert_equal(GA, P3) + + # Make nodelist ambiguous by containing duplicates. + nodelist += [nodelist[0]] + pytest.raises(nx.NetworkXError, nx.to_numpy_array, P3, nodelist=nodelist) + + # Make nodelist invalid by including nonexistent nodes + nodelist = [-1, 0, 1] + with pytest.raises( + nx.NetworkXError, + match=f"Nodes {nodelist - P3.nodes} in nodelist is not in G", + ): + nx.to_numpy_array(P3, nodelist=nodelist) + + def test_weight_keyword(self): + WP4 = nx.Graph() + WP4.add_edges_from((n, n + 1, {"weight": 0.5, "other": 0.3}) for n in range(3)) + P4 = path_graph(4) + A = nx.to_numpy_array(P4) + np.testing.assert_equal(A, nx.to_numpy_array(WP4, weight=None)) + np.testing.assert_equal(0.5 * A, nx.to_numpy_array(WP4)) + np.testing.assert_equal(0.3 * A, nx.to_numpy_array(WP4, weight="other")) + + def test_from_numpy_array_type(self): + A = np.array([[1]]) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == int + + A = np.array([[1]]).astype(float) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == float + + A = np.array([[1]]).astype(str) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == str + + A = np.array([[1]]).astype(bool) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == bool + + A = np.array([[1]]).astype(complex) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == complex + + A = np.array([[1]]).astype(object) + pytest.raises(TypeError, nx.from_numpy_array, A) + + A = np.array([[[1, 1, 1], [1, 1, 1]], [[1, 1, 1], [1, 1, 1]]]) + with pytest.raises( + nx.NetworkXError, match=f"Input array must be 2D, not {A.ndim}" + ): + g = nx.from_numpy_array(A) + + def test_from_numpy_array_dtype(self): + dt = [("weight", float), ("cost", int)] + A = np.array([[(1.0, 2)]], dtype=dt) + G = nx.from_numpy_array(A) + assert type(G[0][0]["weight"]) == float + assert type(G[0][0]["cost"]) == int + assert G[0][0]["cost"] == 2 + assert G[0][0]["weight"] == 1.0 + + def test_from_numpy_array_parallel_edges(self): + """Tests that the :func:`networkx.from_numpy_array` function + interprets integer weights as the number of parallel edges when + creating a multigraph. + + """ + A = np.array([[1, 1], [1, 2]]) + # First, with a simple graph, each integer entry in the adjacency + # matrix is interpreted as the weight of a single edge in the graph. + expected = nx.DiGraph() + edges = [(0, 0), (0, 1), (1, 0)] + expected.add_weighted_edges_from([(u, v, 1) for (u, v) in edges]) + expected.add_edge(1, 1, weight=2) + actual = nx.from_numpy_array(A, parallel_edges=True, create_using=nx.DiGraph) + assert graphs_equal(actual, expected) + actual = nx.from_numpy_array(A, parallel_edges=False, create_using=nx.DiGraph) + assert graphs_equal(actual, expected) + # Now each integer entry in the adjacency matrix is interpreted as the + # number of parallel edges in the graph if the appropriate keyword + # argument is specified. + edges = [(0, 0), (0, 1), (1, 0), (1, 1), (1, 1)] + expected = nx.MultiDiGraph() + expected.add_weighted_edges_from([(u, v, 1) for (u, v) in edges]) + actual = nx.from_numpy_array( + A, parallel_edges=True, create_using=nx.MultiDiGraph + ) + assert graphs_equal(actual, expected) + expected = nx.MultiDiGraph() + expected.add_edges_from(set(edges), weight=1) + # The sole self-loop (edge 0) on vertex 1 should have weight 2. + expected[1][1][0]["weight"] = 2 + actual = nx.from_numpy_array( + A, parallel_edges=False, create_using=nx.MultiDiGraph + ) + assert graphs_equal(actual, expected) + + @pytest.mark.parametrize( + "dt", + ( + None, # default + int, # integer dtype + np.dtype( + [("weight", "f8"), ("color", "i1")] + ), # Structured dtype with named fields + ), + ) + def test_from_numpy_array_no_edge_attr(self, dt): + A = np.array([[0, 1], [1, 0]], dtype=dt) + G = nx.from_numpy_array(A, edge_attr=None) + assert "weight" not in G.edges[0, 1] + assert len(G.edges[0, 1]) == 0 + + def test_from_numpy_array_multiedge_no_edge_attr(self): + A = np.array([[0, 2], [2, 0]]) + G = nx.from_numpy_array(A, create_using=nx.MultiDiGraph, edge_attr=None) + assert all("weight" not in e for _, e in G[0][1].items()) + assert len(G[0][1][0]) == 0 + + def test_from_numpy_array_custom_edge_attr(self): + A = np.array([[0, 2], [3, 0]]) + G = nx.from_numpy_array(A, edge_attr="cost") + assert "weight" not in G.edges[0, 1] + assert G.edges[0, 1]["cost"] == 3 + + def test_symmetric(self): + """Tests that a symmetric array has edges added only once to an + undirected multigraph when using :func:`networkx.from_numpy_array`. + + """ + A = np.array([[0, 1], [1, 0]]) + G = nx.from_numpy_array(A, create_using=nx.MultiGraph) + expected = nx.MultiGraph() + expected.add_edge(0, 1, weight=1) + assert graphs_equal(G, expected) + + def test_dtype_int_graph(self): + """Test that setting dtype int actually gives an integer array. + + For more information, see GitHub pull request #1363. + + """ + G = nx.complete_graph(3) + A = nx.to_numpy_array(G, dtype=int) + assert A.dtype == int + + def test_dtype_int_multigraph(self): + """Test that setting dtype int actually gives an integer array. + + For more information, see GitHub pull request #1363. + + """ + G = nx.MultiGraph(nx.complete_graph(3)) + A = nx.to_numpy_array(G, dtype=int) + assert A.dtype == int + + +@pytest.fixture +def multigraph_test_graph(): + G = nx.MultiGraph() + G.add_edge(1, 2, weight=7) + G.add_edge(1, 2, weight=70) + return G + + +@pytest.mark.parametrize(("operator", "expected"), ((sum, 77), (min, 7), (max, 70))) +def test_numpy_multigraph(multigraph_test_graph, operator, expected): + A = nx.to_numpy_array(multigraph_test_graph, multigraph_weight=operator) + assert A[1, 0] == expected + + +def test_to_numpy_array_multigraph_nodelist(multigraph_test_graph): + G = multigraph_test_graph + G.add_edge(0, 1, weight=3) + A = nx.to_numpy_array(G, nodelist=[1, 2]) + assert A.shape == (2, 2) + assert A[1, 0] == 77 + + +@pytest.mark.parametrize( + "G, expected", + [ + (nx.Graph(), np.array([[0, 1 + 2j], [1 + 2j, 0]], dtype=complex)), + (nx.DiGraph(), np.array([[0, 1 + 2j], [0, 0]], dtype=complex)), + ], +) +def test_to_numpy_array_complex_weights(G, expected): + G.add_edge(0, 1, weight=1 + 2j) + A = nx.to_numpy_array(G, dtype=complex) + npt.assert_array_equal(A, expected) + + +def test_to_numpy_array_arbitrary_weights(): + G = nx.DiGraph() + w = 922337203685477580102 # Out of range for int64 + G.add_edge(0, 1, weight=922337203685477580102) # val not representable by int64 + A = nx.to_numpy_array(G, dtype=object) + expected = np.array([[0, w], [0, 0]], dtype=object) + npt.assert_array_equal(A, expected) + + # Undirected + A = nx.to_numpy_array(G.to_undirected(), dtype=object) + expected = np.array([[0, w], [w, 0]], dtype=object) + npt.assert_array_equal(A, expected) + + +@pytest.mark.parametrize( + "func, expected", + ((min, -1), (max, 10), (sum, 11), (np.mean, 11 / 3), (np.median, 2)), +) +def test_to_numpy_array_multiweight_reduction(func, expected): + """Test various functions for reducing multiedge weights.""" + G = nx.MultiDiGraph() + weights = [-1, 2, 10.0] + for w in weights: + G.add_edge(0, 1, weight=w) + A = nx.to_numpy_array(G, multigraph_weight=func, dtype=float) + assert np.allclose(A, [[0, expected], [0, 0]]) + + # Undirected case + A = nx.to_numpy_array(G.to_undirected(), multigraph_weight=func, dtype=float) + assert np.allclose(A, [[0, expected], [expected, 0]]) + + +@pytest.mark.parametrize( + ("G, expected"), + [ + (nx.Graph(), [[(0, 0), (10, 5)], [(10, 5), (0, 0)]]), + (nx.DiGraph(), [[(0, 0), (10, 5)], [(0, 0), (0, 0)]]), + ], +) +def test_to_numpy_array_structured_dtype_attrs_from_fields(G, expected): + """When `dtype` is structured (i.e. has names) and `weight` is None, use + the named fields of the dtype to look up edge attributes.""" + G.add_edge(0, 1, weight=10, cost=5.0) + dtype = np.dtype([("weight", int), ("cost", int)]) + A = nx.to_numpy_array(G, dtype=dtype, weight=None) + expected = np.asarray(expected, dtype=dtype) + npt.assert_array_equal(A, expected) + + +def test_to_numpy_array_structured_dtype_single_attr_default(): + G = nx.path_graph(3) + dtype = np.dtype([("weight", float)]) # A single named field + A = nx.to_numpy_array(G, dtype=dtype, weight=None) + expected = np.array([[0, 1, 0], [1, 0, 1], [0, 1, 0]], dtype=float) + npt.assert_array_equal(A["weight"], expected) + + +@pytest.mark.parametrize( + ("field_name", "expected_attr_val"), + [ + ("weight", 1), + ("cost", 3), + ], +) +def test_to_numpy_array_structured_dtype_single_attr(field_name, expected_attr_val): + G = nx.Graph() + G.add_edge(0, 1, cost=3) + dtype = np.dtype([(field_name, float)]) + A = nx.to_numpy_array(G, dtype=dtype, weight=None) + expected = np.array([[0, expected_attr_val], [expected_attr_val, 0]], dtype=float) + npt.assert_array_equal(A[field_name], expected) + + +@pytest.mark.parametrize("graph_type", (nx.Graph, nx.DiGraph)) +@pytest.mark.parametrize( + "edge", + [ + (0, 1), # No edge attributes + (0, 1, {"weight": 10}), # One edge attr + (0, 1, {"weight": 5, "flow": -4}), # Multiple but not all edge attrs + (0, 1, {"weight": 2.0, "cost": 10, "flow": -45}), # All attrs + ], +) +def test_to_numpy_array_structured_dtype_multiple_fields(graph_type, edge): + G = graph_type([edge]) + dtype = np.dtype([("weight", float), ("cost", float), ("flow", float)]) + A = nx.to_numpy_array(G, dtype=dtype, weight=None) + for attr in dtype.names: + expected = nx.to_numpy_array(G, dtype=float, weight=attr) + npt.assert_array_equal(A[attr], expected) + + +@pytest.mark.parametrize("G", (nx.Graph(), nx.DiGraph())) +def test_to_numpy_array_structured_dtype_scalar_nonedge(G): + G.add_edge(0, 1, weight=10) + dtype = np.dtype([("weight", float), ("cost", float)]) + A = nx.to_numpy_array(G, dtype=dtype, weight=None, nonedge=np.nan) + for attr in dtype.names: + expected = nx.to_numpy_array(G, dtype=float, weight=attr, nonedge=np.nan) + npt.assert_array_equal(A[attr], expected) + + +@pytest.mark.parametrize("G", (nx.Graph(), nx.DiGraph())) +def test_to_numpy_array_structured_dtype_nonedge_ary(G): + """Similar to the scalar case, except has a different non-edge value for + each named field.""" + G.add_edge(0, 1, weight=10) + dtype = np.dtype([("weight", float), ("cost", float)]) + nonedges = np.array([(0, np.inf)], dtype=dtype) + A = nx.to_numpy_array(G, dtype=dtype, weight=None, nonedge=nonedges) + for attr in dtype.names: + nonedge = nonedges[attr] + expected = nx.to_numpy_array(G, dtype=float, weight=attr, nonedge=nonedge) + npt.assert_array_equal(A[attr], expected) + + +def test_to_numpy_array_structured_dtype_with_weight_raises(): + """Using both a structured dtype (with named fields) and specifying a `weight` + parameter is ambiguous.""" + G = nx.path_graph(3) + dtype = np.dtype([("weight", int), ("cost", int)]) + exception_msg = "Specifying `weight` not supported for structured dtypes" + with pytest.raises(ValueError, match=exception_msg): + nx.to_numpy_array(G, dtype=dtype) # Default is weight="weight" + with pytest.raises(ValueError, match=exception_msg): + nx.to_numpy_array(G, dtype=dtype, weight="cost") + + +@pytest.mark.parametrize("graph_type", (nx.MultiGraph, nx.MultiDiGraph)) +def test_to_numpy_array_structured_multigraph_raises(graph_type): + G = nx.path_graph(3, create_using=graph_type) + dtype = np.dtype([("weight", int), ("cost", int)]) + with pytest.raises(nx.NetworkXError, match="Structured arrays are not supported"): + nx.to_numpy_array(G, dtype=dtype, weight=None) diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_pandas.py b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_pandas.py new file mode 100644 index 0000000000000000000000000000000000000000..ca8d08c705f142bb24232aaf63f9b3397375409e --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_convert_pandas.py @@ -0,0 +1,320 @@ +import pytest + +import networkx as nx +from networkx.utils import edges_equal, graphs_equal, nodes_equal + +np = pytest.importorskip("numpy") +pd = pytest.importorskip("pandas") + + +class TestConvertPandas: + def setup_method(self): + self.rng = np.random.RandomState(seed=5) + ints = self.rng.randint(1, 11, size=(3, 2)) + a = ["A", "B", "C"] + b = ["D", "A", "E"] + df = pd.DataFrame(ints, columns=["weight", "cost"]) + df[0] = a # Column label 0 (int) + df["b"] = b # Column label 'b' (str) + self.df = df + + mdf = pd.DataFrame([[4, 16, "A", "D"]], columns=["weight", "cost", 0, "b"]) + self.mdf = pd.concat([df, mdf]) + + def test_exceptions(self): + G = pd.DataFrame(["a"]) # adj + pytest.raises(nx.NetworkXError, nx.to_networkx_graph, G) + G = pd.DataFrame(["a", 0.0]) # elist + pytest.raises(nx.NetworkXError, nx.to_networkx_graph, G) + df = pd.DataFrame([[1, 1], [1, 0]], dtype=int, index=[1, 2], columns=["a", "b"]) + pytest.raises(nx.NetworkXError, nx.from_pandas_adjacency, df) + + def test_from_edgelist_all_attr(self): + Gtrue = nx.Graph( + [ + ("E", "C", {"cost": 9, "weight": 10}), + ("B", "A", {"cost": 1, "weight": 7}), + ("A", "D", {"cost": 7, "weight": 4}), + ] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", True) + assert graphs_equal(G, Gtrue) + # MultiGraph + MGtrue = nx.MultiGraph(Gtrue) + MGtrue.add_edge("A", "D", cost=16, weight=4) + MG = nx.from_pandas_edgelist(self.mdf, 0, "b", True, nx.MultiGraph()) + assert graphs_equal(MG, MGtrue) + + def test_from_edgelist_multi_attr(self): + Gtrue = nx.Graph( + [ + ("E", "C", {"cost": 9, "weight": 10}), + ("B", "A", {"cost": 1, "weight": 7}), + ("A", "D", {"cost": 7, "weight": 4}), + ] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", ["weight", "cost"]) + assert graphs_equal(G, Gtrue) + + def test_from_edgelist_multi_attr_incl_target(self): + Gtrue = nx.Graph( + [ + ("E", "C", {0: "C", "b": "E", "weight": 10}), + ("B", "A", {0: "B", "b": "A", "weight": 7}), + ("A", "D", {0: "A", "b": "D", "weight": 4}), + ] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", [0, "b", "weight"]) + assert graphs_equal(G, Gtrue) + + def test_from_edgelist_multidigraph_and_edge_attr(self): + # example from issue #2374 + edges = [ + ("X1", "X4", {"Co": "zA", "Mi": 0, "St": "X1"}), + ("X1", "X4", {"Co": "zB", "Mi": 54, "St": "X2"}), + ("X1", "X4", {"Co": "zB", "Mi": 49, "St": "X3"}), + ("X1", "X4", {"Co": "zB", "Mi": 44, "St": "X4"}), + ("Y1", "Y3", {"Co": "zC", "Mi": 0, "St": "Y1"}), + ("Y1", "Y3", {"Co": "zC", "Mi": 34, "St": "Y2"}), + ("Y1", "Y3", {"Co": "zC", "Mi": 29, "St": "X2"}), + ("Y1", "Y3", {"Co": "zC", "Mi": 24, "St": "Y3"}), + ("Z1", "Z3", {"Co": "zD", "Mi": 0, "St": "Z1"}), + ("Z1", "Z3", {"Co": "zD", "Mi": 14, "St": "X3"}), + ] + Gtrue = nx.MultiDiGraph(edges) + data = { + "O": ["X1", "X1", "X1", "X1", "Y1", "Y1", "Y1", "Y1", "Z1", "Z1"], + "D": ["X4", "X4", "X4", "X4", "Y3", "Y3", "Y3", "Y3", "Z3", "Z3"], + "St": ["X1", "X2", "X3", "X4", "Y1", "Y2", "X2", "Y3", "Z1", "X3"], + "Co": ["zA", "zB", "zB", "zB", "zC", "zC", "zC", "zC", "zD", "zD"], + "Mi": [0, 54, 49, 44, 0, 34, 29, 24, 0, 14], + } + df = pd.DataFrame.from_dict(data) + G1 = nx.from_pandas_edgelist( + df, source="O", target="D", edge_attr=True, create_using=nx.MultiDiGraph + ) + G2 = nx.from_pandas_edgelist( + df, + source="O", + target="D", + edge_attr=["St", "Co", "Mi"], + create_using=nx.MultiDiGraph, + ) + assert graphs_equal(G1, Gtrue) + assert graphs_equal(G2, Gtrue) + + def test_from_edgelist_one_attr(self): + Gtrue = nx.Graph( + [ + ("E", "C", {"weight": 10}), + ("B", "A", {"weight": 7}), + ("A", "D", {"weight": 4}), + ] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", "weight") + assert graphs_equal(G, Gtrue) + + def test_from_edgelist_int_attr_name(self): + # note: this also tests that edge_attr can be `source` + Gtrue = nx.Graph( + [("E", "C", {0: "C"}), ("B", "A", {0: "B"}), ("A", "D", {0: "A"})] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", 0) + assert graphs_equal(G, Gtrue) + + def test_from_edgelist_invalid_attr(self): + pytest.raises( + nx.NetworkXError, nx.from_pandas_edgelist, self.df, 0, "b", "misspell" + ) + pytest.raises(nx.NetworkXError, nx.from_pandas_edgelist, self.df, 0, "b", 1) + # see Issue #3562 + edgeframe = pd.DataFrame([[0, 1], [1, 2], [2, 0]], columns=["s", "t"]) + pytest.raises( + nx.NetworkXError, nx.from_pandas_edgelist, edgeframe, "s", "t", True + ) + pytest.raises( + nx.NetworkXError, nx.from_pandas_edgelist, edgeframe, "s", "t", "weight" + ) + pytest.raises( + nx.NetworkXError, + nx.from_pandas_edgelist, + edgeframe, + "s", + "t", + ["weight", "size"], + ) + + def test_from_edgelist_no_attr(self): + Gtrue = nx.Graph([("E", "C", {}), ("B", "A", {}), ("A", "D", {})]) + G = nx.from_pandas_edgelist(self.df, 0, "b") + assert graphs_equal(G, Gtrue) + + def test_from_edgelist(self): + # Pandas DataFrame + G = nx.cycle_graph(10) + G.add_weighted_edges_from((u, v, u) for u, v in list(G.edges)) + + edgelist = nx.to_edgelist(G) + source = [s for s, t, d in edgelist] + target = [t for s, t, d in edgelist] + weight = [d["weight"] for s, t, d in edgelist] + edges = pd.DataFrame({"source": source, "target": target, "weight": weight}) + + GG = nx.from_pandas_edgelist(edges, edge_attr="weight") + assert nodes_equal(G.nodes(), GG.nodes()) + assert edges_equal(G.edges(), GG.edges()) + GW = nx.to_networkx_graph(edges, create_using=nx.Graph) + assert nodes_equal(G.nodes(), GW.nodes()) + assert edges_equal(G.edges(), GW.edges()) + + def test_to_edgelist_default_source_or_target_col_exists(self): + G = nx.path_graph(10) + G.add_weighted_edges_from((u, v, u) for u, v in list(G.edges)) + nx.set_edge_attributes(G, 0, name="source") + pytest.raises(nx.NetworkXError, nx.to_pandas_edgelist, G) + + # drop source column to test an exception raised for the target column + for u, v, d in G.edges(data=True): + d.pop("source", None) + + nx.set_edge_attributes(G, 0, name="target") + pytest.raises(nx.NetworkXError, nx.to_pandas_edgelist, G) + + def test_to_edgelist_custom_source_or_target_col_exists(self): + G = nx.path_graph(10) + G.add_weighted_edges_from((u, v, u) for u, v in list(G.edges)) + nx.set_edge_attributes(G, 0, name="source_col_name") + pytest.raises( + nx.NetworkXError, nx.to_pandas_edgelist, G, source="source_col_name" + ) + + # drop source column to test an exception raised for the target column + for u, v, d in G.edges(data=True): + d.pop("source_col_name", None) + + nx.set_edge_attributes(G, 0, name="target_col_name") + pytest.raises( + nx.NetworkXError, nx.to_pandas_edgelist, G, target="target_col_name" + ) + + def test_to_edgelist_edge_key_col_exists(self): + G = nx.path_graph(10, create_using=nx.MultiGraph) + G.add_weighted_edges_from((u, v, u) for u, v in list(G.edges())) + nx.set_edge_attributes(G, 0, name="edge_key_name") + pytest.raises( + nx.NetworkXError, nx.to_pandas_edgelist, G, edge_key="edge_key_name" + ) + + def test_from_adjacency(self): + nodelist = [1, 2] + dftrue = pd.DataFrame( + [[1, 1], [1, 0]], dtype=int, index=nodelist, columns=nodelist + ) + G = nx.Graph([(1, 1), (1, 2)]) + df = nx.to_pandas_adjacency(G, dtype=int) + pd.testing.assert_frame_equal(df, dftrue) + + @pytest.mark.parametrize("graph", [nx.Graph, nx.MultiGraph]) + def test_roundtrip(self, graph): + # edgelist + Gtrue = graph([(1, 1), (1, 2)]) + df = nx.to_pandas_edgelist(Gtrue) + G = nx.from_pandas_edgelist(df, create_using=graph) + assert graphs_equal(Gtrue, G) + # adjacency + adj = {1: {1: {"weight": 1}, 2: {"weight": 1}}, 2: {1: {"weight": 1}}} + Gtrue = graph(adj) + df = nx.to_pandas_adjacency(Gtrue, dtype=int) + G = nx.from_pandas_adjacency(df, create_using=graph) + assert graphs_equal(Gtrue, G) + + def test_from_adjacency_named(self): + # example from issue #3105 + data = { + "A": {"A": 0, "B": 0, "C": 0}, + "B": {"A": 1, "B": 0, "C": 0}, + "C": {"A": 0, "B": 1, "C": 0}, + } + dftrue = pd.DataFrame(data, dtype=np.intp) + df = dftrue[["A", "C", "B"]] + G = nx.from_pandas_adjacency(df, create_using=nx.DiGraph()) + df = nx.to_pandas_adjacency(G, dtype=np.intp) + pd.testing.assert_frame_equal(df, dftrue) + + def test_edgekey_with_multigraph(self): + df = pd.DataFrame( + { + "source": {"A": "N1", "B": "N2", "C": "N1", "D": "N1"}, + "target": {"A": "N2", "B": "N3", "C": "N1", "D": "N2"}, + "attr1": {"A": "F1", "B": "F2", "C": "F3", "D": "F4"}, + "attr2": {"A": 1, "B": 0, "C": 0, "D": 0}, + "attr3": {"A": 0, "B": 1, "C": 0, "D": 1}, + } + ) + Gtrue = nx.MultiGraph( + [ + ("N1", "N2", "F1", {"attr2": 1, "attr3": 0}), + ("N2", "N3", "F2", {"attr2": 0, "attr3": 1}), + ("N1", "N1", "F3", {"attr2": 0, "attr3": 0}), + ("N1", "N2", "F4", {"attr2": 0, "attr3": 1}), + ] + ) + # example from issue #4065 + G = nx.from_pandas_edgelist( + df, + source="source", + target="target", + edge_attr=["attr2", "attr3"], + edge_key="attr1", + create_using=nx.MultiGraph(), + ) + assert graphs_equal(G, Gtrue) + + df_roundtrip = nx.to_pandas_edgelist(G, edge_key="attr1") + df_roundtrip = df_roundtrip.sort_values("attr1") + df_roundtrip.index = ["A", "B", "C", "D"] + pd.testing.assert_frame_equal( + df, df_roundtrip[["source", "target", "attr1", "attr2", "attr3"]] + ) + + def test_edgekey_with_normal_graph_no_action(self): + Gtrue = nx.Graph( + [ + ("E", "C", {"cost": 9, "weight": 10}), + ("B", "A", {"cost": 1, "weight": 7}), + ("A", "D", {"cost": 7, "weight": 4}), + ] + ) + G = nx.from_pandas_edgelist(self.df, 0, "b", True, edge_key="weight") + assert graphs_equal(G, Gtrue) + + def test_nonexisting_edgekey_raises(self): + with pytest.raises(nx.exception.NetworkXError): + nx.from_pandas_edgelist( + self.df, + source="source", + target="target", + edge_key="Not_real", + edge_attr=True, + create_using=nx.MultiGraph(), + ) + + +def test_to_pandas_adjacency_with_nodelist(): + G = nx.complete_graph(5) + nodelist = [1, 4] + expected = pd.DataFrame( + [[0, 1], [1, 0]], dtype=int, index=nodelist, columns=nodelist + ) + pd.testing.assert_frame_equal( + expected, nx.to_pandas_adjacency(G, nodelist, dtype=int) + ) + + +def test_to_pandas_edgelist_with_nodelist(): + G = nx.Graph() + G.add_edges_from([(0, 1), (1, 2), (1, 3)], weight=2.0) + G.add_edge(0, 5, weight=100) + df = nx.to_pandas_edgelist(G, nodelist=[1, 2]) + assert 0 not in df["source"].to_numpy() + assert 100 not in df["weight"].to_numpy() diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_lazy_imports.py b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_lazy_imports.py new file mode 100644 index 0000000000000000000000000000000000000000..9b7f1b1d94c08b7185ae1798d60170f3b2cdc7a1 --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_lazy_imports.py @@ -0,0 +1,97 @@ +import importlib +import sys +import types + +import pytest + +import networkx.lazy_imports as lazy + + +def test_lazy_import_basics(): + math = lazy._lazy_import("math") + anything_not_real = lazy._lazy_import("anything_not_real") + + # Now test that accessing attributes does what it should + assert math.sin(math.pi) == pytest.approx(0, 1e-6) + # poor-mans pytest.raises for testing errors on attribute access + try: + anything_not_real.pi + assert False # Should not get here + except ModuleNotFoundError: + pass + assert isinstance(anything_not_real, lazy.DelayedImportErrorModule) + # see if it changes for second access + try: + anything_not_real.pi + assert False # Should not get here + except ModuleNotFoundError: + pass + + +def test_lazy_import_impact_on_sys_modules(): + math = lazy._lazy_import("math") + anything_not_real = lazy._lazy_import("anything_not_real") + + assert type(math) == types.ModuleType + assert "math" in sys.modules + assert type(anything_not_real) == lazy.DelayedImportErrorModule + assert "anything_not_real" not in sys.modules + + # only do this if numpy is installed + np_test = pytest.importorskip("numpy") + np = lazy._lazy_import("numpy") + assert type(np) == types.ModuleType + assert "numpy" in sys.modules + + np.pi # trigger load of numpy + + assert type(np) == types.ModuleType + assert "numpy" in sys.modules + + +def test_lazy_import_nonbuiltins(): + sp = lazy._lazy_import("scipy") + np = lazy._lazy_import("numpy") + if isinstance(sp, lazy.DelayedImportErrorModule): + try: + sp.special.erf + assert False + except ModuleNotFoundError: + pass + elif isinstance(np, lazy.DelayedImportErrorModule): + try: + np.sin(np.pi) + assert False + except ModuleNotFoundError: + pass + else: + assert sp.special.erf(np.pi) == pytest.approx(1, 1e-4) + + +def test_lazy_attach(): + name = "mymod" + submods = ["mysubmodule", "anothersubmodule"] + myall = {"not_real_submod": ["some_var_or_func"]} + + locls = { + "attach": lazy.attach, + "name": name, + "submods": submods, + "myall": myall, + } + s = "__getattr__, __lazy_dir__, __all__ = attach(name, submods, myall)" + + exec(s, {}, locls) + expected = { + "attach": lazy.attach, + "name": name, + "submods": submods, + "myall": myall, + "__getattr__": None, + "__lazy_dir__": None, + "__all__": None, + } + assert locls.keys() == expected.keys() + for k, v in expected.items(): + if v is not None: + assert locls[k] == v diff --git a/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_relabel.py b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_relabel.py new file mode 100644 index 0000000000000000000000000000000000000000..0ebf4d3ef490afce48e3e1298412edb05a385cdc --- /dev/null +++ b/env-llmeval/lib/python3.10/site-packages/networkx/tests/test_relabel.py @@ -0,0 +1,347 @@ +import pytest + +import networkx as nx +from networkx.generators.classic import empty_graph +from networkx.utils import edges_equal, nodes_equal + + +class TestRelabel: + def test_convert_node_labels_to_integers(self): + # test that empty graph converts fine for all options + G = empty_graph() + H = nx.convert_node_labels_to_integers(G, 100) + assert list(H.nodes()) == [] + assert list(H.edges()) == [] + + for opt in ["default", "sorted", "increasing degree", "decreasing degree"]: + G = empty_graph() + H = nx.convert_node_labels_to_integers(G, 100, ordering=opt) + assert list(H.nodes()) == [] + assert list(H.edges()) == [] + + G = empty_graph() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + H = nx.convert_node_labels_to_integers(G) + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + + H = nx.convert_node_labels_to_integers(G, 1000) + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + assert nodes_equal(H.nodes(), [1000, 1001, 1002, 1003]) + + H = nx.convert_node_labels_to_integers(G, ordering="increasing degree") + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + assert H.degree(0) == 1 + assert H.degree(1) == 2 + assert H.degree(2) == 2 + assert H.degree(3) == 3 + + H = nx.convert_node_labels_to_integers(G, ordering="decreasing degree") + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + assert H.degree(0) == 3 + assert H.degree(1) == 2 + assert H.degree(2) == 2 + assert H.degree(3) == 1 + + H = nx.convert_node_labels_to_integers( + G, ordering="increasing degree", label_attribute="label" + ) + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + assert H.degree(0) == 1 + assert H.degree(1) == 2 + assert H.degree(2) == 2 + assert H.degree(3) == 3 + + # check mapping + assert H.nodes[3]["label"] == "C" + assert H.nodes[0]["label"] == "D" + assert H.nodes[1]["label"] == "A" or H.nodes[2]["label"] == "A" + assert H.nodes[1]["label"] == "B" or H.nodes[2]["label"] == "B" + + def test_convert_to_integers2(self): + G = empty_graph() + G.add_edges_from([("C", "D"), ("A", "B"), ("A", "C"), ("B", "C")]) + H = nx.convert_node_labels_to_integers(G, ordering="sorted") + degH = (d for n, d in H.degree()) + degG = (d for n, d in G.degree()) + assert sorted(degH) == sorted(degG) + + H = nx.convert_node_labels_to_integers( + G, ordering="sorted", label_attribute="label" + ) + assert H.nodes[0]["label"] == "A" + assert H.nodes[1]["label"] == "B" + assert H.nodes[2]["label"] == "C" + assert H.nodes[3]["label"] == "D" + + def test_convert_to_integers_raise(self): + with pytest.raises(nx.NetworkXError): + G = nx.Graph() + H = nx.convert_node_labels_to_integers(G, ordering="increasing age") + + def test_relabel_nodes_copy(self): + G = nx.empty_graph() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + mapping = {"A": "aardvark", "B": "bear", "C": "cat", "D": "dog"} + H = nx.relabel_nodes(G, mapping) + assert nodes_equal(H.nodes(), ["aardvark", "bear", "cat", "dog"]) + + def test_relabel_nodes_function(self): + G = nx.empty_graph() + G.add_edges_from([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + # function mapping no longer encouraged but works + + def mapping(n): + return ord(n) + + H = nx.relabel_nodes(G, mapping) + assert nodes_equal(H.nodes(), [65, 66, 67, 68]) + + def test_relabel_nodes_callable_type(self): + G = nx.path_graph(4) + H = nx.relabel_nodes(G, str) + assert nodes_equal(H.nodes, ["0", "1", "2", "3"]) + + @pytest.mark.parametrize("non_mc", ("0123", ["0", "1", "2", "3"])) + def test_relabel_nodes_non_mapping_or_callable(self, non_mc): + """If `mapping` is neither a Callable or a Mapping, an exception + should be raised.""" + G = nx.path_graph(4) + with pytest.raises(AttributeError): + nx.relabel_nodes(G, non_mc) + + def test_relabel_nodes_graph(self): + G = nx.Graph([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + mapping = {"A": "aardvark", "B": "bear", "C": "cat", "D": "dog"} + H = nx.relabel_nodes(G, mapping) + assert nodes_equal(H.nodes(), ["aardvark", "bear", "cat", "dog"]) + + def test_relabel_nodes_orderedgraph(self): + G = nx.Graph() + G.add_nodes_from([1, 2, 3]) + G.add_edges_from([(1, 3), (2, 3)]) + mapping = {1: "a", 2: "b", 3: "c"} + H = nx.relabel_nodes(G, mapping) + assert list(H.nodes) == ["a", "b", "c"] + + def test_relabel_nodes_digraph(self): + G = nx.DiGraph([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + mapping = {"A": "aardvark", "B": "bear", "C": "cat", "D": "dog"} + H = nx.relabel_nodes(G, mapping, copy=False) + assert nodes_equal(H.nodes(), ["aardvark", "bear", "cat", "dog"]) + + def test_relabel_nodes_multigraph(self): + G = nx.MultiGraph([("a", "b"), ("a", "b")]) + mapping = {"a": "aardvark", "b": "bear"} + G = nx.relabel_nodes(G, mapping, copy=False) + assert nodes_equal(G.nodes(), ["aardvark", "bear"]) + assert edges_equal(G.edges(), [("aardvark", "bear"), ("aardvark", "bear")]) + + def test_relabel_nodes_multidigraph(self): + G = nx.MultiDiGraph([("a", "b"), ("a", "b")]) + mapping = {"a": "aardvark", "b": "bear"} + G = nx.relabel_nodes(G, mapping, copy=False) + assert nodes_equal(G.nodes(), ["aardvark", "bear"]) + assert edges_equal(G.edges(), [("aardvark", "bear"), ("aardvark", "bear")]) + + def test_relabel_isolated_nodes_to_same(self): + G = nx.Graph() + G.add_nodes_from(range(4)) + mapping = {1: 1} + H = nx.relabel_nodes(G, mapping, copy=False) + assert nodes_equal(H.nodes(), list(range(4))) + + def test_relabel_nodes_missing(self): + G = nx.Graph([("A", "B"), ("A", "C"), ("B", "C"), ("C", "D")]) + mapping = {0: "aardvark"} + # copy=True + H = nx.relabel_nodes(G, mapping, copy=True) + assert nodes_equal(H.nodes, G.nodes) + # copy=False + GG = G.copy() + nx.relabel_nodes(G, mapping, copy=False) + assert nodes_equal(G.nodes, GG.nodes) + + def test_relabel_copy_name(self): + G = nx.Graph() + H = nx.relabel_nodes(G, {}, copy=True) + assert H.graph == G.graph + H = nx.relabel_nodes(G, {}, copy=False) + assert H.graph == G.graph + G.name = "first" + H = nx.relabel_nodes(G, {}, copy=True) + assert H.graph == G.graph + H = nx.relabel_nodes(G, {}, copy=False) + assert H.graph == G.graph + + def test_relabel_toposort(self): + K5 = nx.complete_graph(4) + G = nx.complete_graph(4) + G = nx.relabel_nodes(G, {i: i + 1 for i in range(4)}, copy=False) + assert nx.is_isomorphic(K5, G) + G = nx.complete_graph(4) + G = nx.relabel_nodes(G, {i: i - 1 for i in range(4)}, copy=False) + assert nx.is_isomorphic(K5, G) + + def test_relabel_selfloop(self): + G = nx.DiGraph([(1, 1), (1, 2), (2, 3)]) + G = nx.relabel_nodes(G, {1: "One", 2: "Two", 3: "Three"}, copy=False) + assert nodes_equal(G.nodes(), ["One", "Three", "Two"]) + G = nx.MultiDiGraph([(1, 1), (1, 2), (2, 3)]) + G = nx.relabel_nodes(G, {1: "One", 2: "Two", 3: "Three"}, copy=False) + assert nodes_equal(G.nodes(), ["One", "Three", "Two"]) + G = nx.MultiDiGraph([(1, 1)]) + G = nx.relabel_nodes(G, {1: 0}, copy=False) + assert nodes_equal(G.nodes(), [0]) + + def test_relabel_multidigraph_inout_merge_nodes(self): + for MG in (nx.MultiGraph, nx.MultiDiGraph): + for cc in (True, False): + G = MG([(0, 4), (1, 4), (4, 2), (4, 3)]) + G[0][4][0]["value"] = "a" + G[1][4][0]["value"] = "b" + G[4][2][0]["value"] = "c" + G[4][3][0]["value"] = "d" + G.add_edge(0, 4, key="x", value="e") + G.add_edge(4, 3, key="x", value="f") + mapping = {0: 9, 1: 9, 2: 9, 3: 9} + H = nx.relabel_nodes(G, mapping, copy=cc) + # No ordering on keys enforced + assert {"value": "a"} in H[9][4].values() + assert {"value": "b"} in H[9][4].values() + assert {"value": "c"} in H[4][9].values() + assert len(H[4][9]) == 3 if G.is_directed() else 6 + assert {"value": "d"} in H[4][9].values() + assert {"value": "e"} in H[9][4].values() + assert {"value": "f"} in H[4][9].values() + assert len(H[9][4]) == 3 if G.is_directed() else 6 + + def test_relabel_multigraph_merge_inplace(self): + G = nx.MultiGraph([(0, 1), (0, 2), (0, 3), (0, 1), (0, 2), (0, 3)]) + G[0][1][0]["value"] = "a" + G[0][2][0]["value"] = "b" + G[0][3][0]["value"] = "c" + mapping = {1: 4, 2: 4, 3: 4} + nx.relabel_nodes(G, mapping, copy=False) + # No ordering on keys enforced + assert {"value": "a"} in G[0][4].values() + assert {"value": "b"} in G[0][4].values() + assert {"value": "c"} in G[0][4].values() + + def test_relabel_multidigraph_merge_inplace(self): + G = nx.MultiDiGraph([(0, 1), (0, 2), (0, 3)]) + G[0][1][0]["value"] = "a" + G[0][2][0]["value"] = "b" + G[0][3][0]["value"] = "c" + mapping = {1: 4, 2: 4, 3: 4} + nx.relabel_nodes(G, mapping, copy=False) + # No ordering on keys enforced + assert {"value": "a"} in G[0][4].values() + assert {"value": "b"} in G[0][4].values() + assert {"value": "c"} in G[0][4].values() + + def test_relabel_multidigraph_inout_copy(self): + G = nx.MultiDiGraph([(0, 4), (1, 4), (4, 2), (4, 3)]) + G[0][4][0]["value"] = "a" + G[1][4][0]["value"] = "b" + G[4][2][0]["value"] = "c" + G[4][3][0]["value"] = "d" + G.add_edge(0, 4, key="x", value="e") + G.add_edge(4, 3, key="x", value="f") + mapping = {0: 9, 1: 9, 2: 9, 3: 9} + H = nx.relabel_nodes(G, mapping, copy=True) + # No ordering on keys enforced + assert {"value": "a"} in H[9][4].values() + assert {"value": "b"} in H[9][4].values() + assert {"value": "c"} in H[4][9].values() + assert len(H[4][9]) == 3 + assert {"value": "d"} in H[4][9].values() + assert {"value": "e"} in H[9][4].values() + assert {"value": "f"} in H[4][9].values() + assert len(H[9][4]) == 3 + + def test_relabel_multigraph_merge_copy(self): + G = nx.MultiGraph([(0, 1), (0, 2), (0, 3)]) + G[0][1][0]["value"] = "a" + G[0][2][0]["value"] = "b" + G[0][3][0]["value"] = "c" + mapping = {1: 4, 2: 4, 3: 4} + H = nx.relabel_nodes(G, mapping, copy=True) + assert {"value": "a"} in H[0][4].values() + assert {"value": "b"} in H[0][4].values() + assert {"value": "c"} in H[0][4].values() + + def test_relabel_multidigraph_merge_copy(self): + G = nx.MultiDiGraph([(0, 1), (0, 2), (0, 3)]) + G[0][1][0]["value"] = "a" + G[0][2][0]["value"] = "b" + G[0][3][0]["value"] = "c" + mapping = {1: 4, 2: 4, 3: 4} + H = nx.relabel_nodes(G, mapping, copy=True) + assert {"value": "a"} in H[0][4].values() + assert {"value": "b"} in H[0][4].values() + assert {"value": "c"} in H[0][4].values() + + def test_relabel_multigraph_nonnumeric_key(self): + for MG in (nx.MultiGraph, nx.MultiDiGraph): + for cc in (True, False): + G = nx.MultiGraph() + G.add_edge(0, 1, key="I", value="a") + G.add_edge(0, 2, key="II", value="b") + G.add_edge(0, 3, key="II", value="c") + mapping = {1: 4, 2: 4, 3: 4} + nx.relabel_nodes(G, mapping, copy=False) + assert {"value": "a"} in G[0][4].values() + assert {"value": "b"} in G[0][4].values() + assert {"value": "c"} in G[0][4].values() + assert 0 in G[0][4] + assert "I" in G[0][4] + assert "II" in G[0][4] + + def test_relabel_circular(self): + G = nx.path_graph(3) + mapping = {0: 1, 1: 0} + H = nx.relabel_nodes(G, mapping, copy=True) + with pytest.raises(nx.NetworkXUnfeasible): + H = nx.relabel_nodes(G, mapping, copy=False) + + def test_relabel_preserve_node_order_full_mapping_with_copy_true(self): + G = nx.path_graph(3) + original_order = list(G.nodes()) + mapping = {2: "a", 1: "b", 0: "c"} # dictionary keys out of order on purpose + H = nx.relabel_nodes(G, mapping, copy=True) + new_order = list(H.nodes()) + assert [mapping.get(i, i) for i in original_order] == new_order + + def test_relabel_preserve_node_order_full_mapping_with_copy_false(self): + G = nx.path_graph(3) + original_order = list(G) + mapping = {2: "a", 1: "b", 0: "c"} # dictionary keys out of order on purpose + H = nx.relabel_nodes(G, mapping, copy=False) + new_order = list(H) + assert [mapping.get(i, i) for i in original_order] == new_order + + def test_relabel_preserve_node_order_partial_mapping_with_copy_true(self): + G = nx.path_graph(3) + original_order = list(G) + mapping = {1: "a", 0: "b"} # partial mapping and keys out of order on purpose + H = nx.relabel_nodes(G, mapping, copy=True) + new_order = list(H) + assert [mapping.get(i, i) for i in original_order] == new_order + + def test_relabel_preserve_node_order_partial_mapping_with_copy_false(self): + G = nx.path_graph(3) + original_order = list(G) + mapping = {1: "a", 0: "b"} # partial mapping and keys out of order on purpose + H = nx.relabel_nodes(G, mapping, copy=False) + new_order = list(H) + assert [mapping.get(i, i) for i in original_order] != new_order