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#!/usr/bin/env python
#
# Author: Mike McKerns (mmckerns @caltech and @uqfoundation)
# Copyright (c) 2008-2015 California Institute of Technology.
# License: 3-clause BSD. The full license text is available at:
# - http://trac.mystic.cacr.caltech.edu/project/pathos/browser/dill/LICENSE
import dill
import sys
dill.settings['recurse'] = False #True
# test classdefs
class _class:
def _method(self):
pass
def ok(self):
return True
class _class2:
def __call__(self):
pass
def ok(self):
return True
class _newclass(object):
def _method(self):
pass
def ok(self):
return True
class _newclass2(object):
def __call__(self):
pass
def ok(self):
return True
class _meta(type):
pass
def __call__(self):
pass
def ok(self):
return True
_mclass = _meta("_mclass", (object,), {"__call__": __call__, "ok": ok})
del __call__
del ok
o = _class()
oc = _class2()
n = _newclass()
nc = _newclass2()
m = _mclass()
# test pickles for class instances
assert dill.pickles(o)
assert dill.pickles(oc)
assert dill.pickles(n)
assert dill.pickles(nc)
assert dill.pickles(m)
clslist = [_class,_class2,_newclass,_newclass2,_mclass]
objlist = [o,oc,n,nc,m]
_clslist = [dill.dumps(obj) for obj in clslist]
_objlist = [dill.dumps(obj) for obj in objlist]
for obj in clslist:
globals().pop(obj.__name__)
del clslist
for obj in ['o','oc','n','nc']:
globals().pop(obj)
del objlist
del obj
for obj,cls in zip(_objlist,_clslist):
_cls = dill.loads(cls)
_obj = dill.loads(obj)
assert _obj.ok()
assert _cls.ok(_cls())
if _cls.__name__ == "_mclass":
assert type(_cls).__name__ == "_meta"
# test namedtuple
if hex(sys.hexversion) >= '0x20600f0':
from collections import namedtuple
Z = namedtuple("Z", ['a','b'])
Zi = Z(0,1)
X = namedtuple("Y", ['a','b'])
X.__name__ = "X" #XXX: name must 'match' or fails to pickle
Xi = X(0,1)
assert Z == dill.loads(dill.dumps(Z))
assert Zi == dill.loads(dill.dumps(Zi))
assert X == dill.loads(dill.dumps(X))
assert Xi == dill.loads(dill.dumps(Xi))
try:
import numpy as np
class TestArray(np.ndarray):
def __new__(cls, input_array, color):
obj = np.asarray(input_array).view(cls)
obj.color = color
return obj
def __array_finalize__(self, obj):
if obj is None:
return
if isinstance(obj, type(self)):
self.color = obj.color
def __getnewargs__(self):
return np.asarray(self), self.color
a1 = TestArray(np.zeros(100), color='green')
assert dill.pickles(a1)
assert a1.__dict__ == dill.copy(a1).__dict__
a2 = a1[0:9]
assert dill.pickles(a2)
assert a2.__dict__ == dill.copy(a2).__dict__
class TestArray2(np.ndarray):
color = 'blue'
a3 = TestArray2([1,2,3,4,5])
a3.color = 'green'
assert dill.pickles(a3)
assert a3.__dict__ == dill.copy(a3).__dict__
except ImportError: pass
# EOF
|
