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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) 2016-2023 The Uncertainty Quantification Foundation.
# License: 3-clause BSD. The full license text is available at:
# - https://github.com/uqfoundation/dill/blob/master/LICENSE
"""
testing some selected object types
"""
import dill
dill.settings['recurse'] = True
verbose = False
def test_dict_contents():
c = type.__dict__
for i,j in c.items():
#try:
ok = dill.pickles(j)
#except Exception:
# print ("FAIL: %s with %s" % (i, dill.detect.errors(j)))
if verbose: print ("%s: %s, %s" % (ok, type(j), j))
assert ok
if verbose: print ("")
def _g(x): yield x;
def _f():
try: raise
except Exception:
from sys import exc_info
e, er, tb = exc_info()
return er, tb
class _d(object):
def _method(self):
pass
from dill import objects
from dill import load_types
load_types(pickleable=True,unpickleable=False)
_newclass = objects['ClassObjectType']
# some clean-up #FIXME: should happen internal to dill
objects['TemporaryFileType'].close()
objects['TextWrapperType'].close()
objects['BufferedRandomType'].close()
objects['BufferedReaderType'].close()
objects['BufferedWriterType'].close()
objects['FileType'].close()
del objects
# getset_descriptor for new-style classes (fails on '_method', if not __main__)
def test_class_descriptors():
d = _d.__dict__
for i in d.values():
ok = dill.pickles(i)
if verbose: print ("%s: %s, %s" % (ok, type(i), i))
assert ok
if verbose: print ("")
od = _newclass.__dict__
for i in od.values():
ok = dill.pickles(i)
if verbose: print ("%s: %s, %s" % (ok, type(i), i))
assert ok
if verbose: print ("")
# (__main__) class instance for new-style classes
def test_class():
o = _d()
oo = _newclass()
ok = dill.pickles(o)
if verbose: print ("%s: %s, %s" % (ok, type(o), o))
assert ok
ok = dill.pickles(oo)
if verbose: print ("%s: %s, %s" % (ok, type(oo), oo))
assert ok
if verbose: print ("")
# frames, generators, and tracebacks (all depend on frame)
def test_frame_related():
g = _g(1)
f = g.gi_frame
e,t = _f()
_is = lambda ok: ok
ok = dill.pickles(f)
if verbose: print ("%s: %s, %s" % (ok, type(f), f))
assert not ok
ok = dill.pickles(g)
if verbose: print ("%s: %s, %s" % (ok, type(g), g))
assert _is(not ok) #XXX: dill fails
ok = dill.pickles(t)
if verbose: print ("%s: %s, %s" % (ok, type(t), t))
assert not ok #XXX: dill fails
ok = dill.pickles(e)
if verbose: print ("%s: %s, %s" % (ok, type(e), e))
assert ok
if verbose: print ("")
def test_typing():
import typing
x = typing.Any
assert x == dill.copy(x)
x = typing.Dict[int, str]
assert x == dill.copy(x)
x = typing.List[int]
assert x == dill.copy(x)
x = typing.Tuple[int, str]
assert x == dill.copy(x)
x = typing.Tuple[int]
assert x == dill.copy(x)
x = typing.Tuple[()]
assert x == dill.copy(x)
x = typing.Tuple[()].copy_with(())
assert x == dill.copy(x)
return
if __name__ == '__main__':
test_frame_related()
test_dict_contents()
test_class()
test_class_descriptors()
test_typing()
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