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#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 2008-2016 California Institute of Technology.
# Copyright (c) 2016-2024 The Uncertainty Quantification Foundation.
# License: 3-clause BSD. The full license text is available at:
# - https://github.com/uqfoundation/dill/blob/master/LICENSE
from dill.detect import baditems, badobjects, badtypes, errors, parent, at, globalvars
from dill import settings
from dill._dill import IS_PYPY
from pickle import PicklingError
import inspect
import sys
import os
def test_bad_things():
f = inspect.currentframe()
assert baditems(f) == [f]
#assert baditems(globals()) == [f] #XXX
assert badobjects(f) is f
assert badtypes(f) == type(f)
assert type(errors(f)) is TypeError
d = badtypes(f, 1)
assert isinstance(d, dict)
assert list(badobjects(f, 1).keys()) == list(d.keys())
assert list(errors(f, 1).keys()) == list(d.keys())
s = set([(err.__class__.__name__,err.args[0]) for err in list(errors(f, 1).values())])
a = dict(s)
if not os.environ.get('COVERAGE'): #XXX: travis-ci
assert len(s) is len(a) # TypeError (and possibly PicklingError)
n = 2
assert len(a) is n if 'PicklingError' in a.keys() else n-1
def test_parent():
x = [4,5,6,7]
listiter = iter(x)
obj = parent(listiter, list)
assert obj is x
if IS_PYPY: assert parent(obj, int) is None
else: assert parent(obj, int) is x[-1] # python oddly? finds last int
assert at(id(at)) is at
a, b, c = 1, 2, 3
def squared(x):
return a+x**2
def foo(x):
def bar(y):
return squared(x)+y
return bar
class _class:
def _method(self):
pass
def ok(self):
return True
def test_globals():
def f():
a
def g():
b
def h():
c
assert globalvars(f) == dict(a=1, b=2, c=3)
res = globalvars(foo, recurse=True)
assert set(res) == set(['squared', 'a'])
res = globalvars(foo, recurse=False)
assert res == {}
zap = foo(2)
res = globalvars(zap, recurse=True)
assert set(res) == set(['squared', 'a'])
res = globalvars(zap, recurse=False)
assert set(res) == set(['squared'])
del zap
res = globalvars(squared)
assert set(res) == set(['a'])
# FIXME: should find referenced __builtins__
#res = globalvars(_class, recurse=True)
#assert set(res) == set(['True'])
#res = globalvars(_class, recurse=False)
#assert res == {}
#res = globalvars(_class.ok, recurse=True)
#assert set(res) == set(['True'])
#res = globalvars(_class.ok, recurse=False)
#assert set(res) == set(['True'])
#98 dill ignores __getstate__ in interactive lambdas
bar = [0]
class Foo(object):
def __init__(self):
pass
def __getstate__(self):
bar[0] = bar[0]+1
return {}
def __setstate__(self, data):
pass
f = Foo()
def test_getstate():
from dill import dumps, loads
dumps(f)
b = bar[0]
dumps(lambda: f, recurse=False) # doesn't call __getstate__
assert bar[0] == b
dumps(lambda: f, recurse=True) # calls __getstate__
assert bar[0] == b + 1
#97 serialize lambdas in test files
def test_deleted():
global sin
from dill import dumps, loads
from math import sin, pi
def sinc(x):
return sin(x)/x
settings['recurse'] = True
_sinc = dumps(sinc)
sin = globals().pop('sin')
sin = 1
del sin
sinc_ = loads(_sinc) # no NameError... pickling preserves 'sin'
res = sinc_(1)
from math import sin
assert sinc(1) == res
def test_lambdify():
try:
from sympy import symbols, lambdify
except ImportError:
return
settings['recurse'] = True
x = symbols("x")
y = x**2
f = lambdify([x], y)
z = min
d = globals()
globalvars(f, recurse=True, builtin=True)
assert z is min
assert d is globals()
if __name__ == '__main__':
test_bad_things()
test_parent()
test_globals()
test_getstate()
test_deleted()
test_lambdify()
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