MLPY/Lib/site-packages/mpmath/tests/test_pickle.py

import os
import tempfile
import pickle

from mpmath import *

def pickler(obj):
    fn = tempfile.mktemp()

    f = open(fn, 'wb')
    pickle.dump(obj, f)
    f.close()

    f = open(fn, 'rb')
    obj2 = pickle.load(f)
    f.close()
    os.remove(fn)

    return obj2

def test_pickle():

    obj = mpf('0.5')
    assert obj == pickler(obj)

    obj = mpc('0.5','0.2')
    assert obj == pickler(obj)