def test_no_keywords():
kw1 = _functools.partial(dict).keywords
kw2 = _functools.partial(dict, **{}).keywords
# CPython gives different results for these two cases, which is not
# possible to emulate in pure Python; see issue #2043
assert kw1 == {} or kw1 is None
assert kw2 == {}
def test_no_keywords():
kw1 = _functools.partial(dict).keywords
kw2 = _functools.partial(dict, **{}).keywords
# CPython gives different results for these two cases, which is not
# possible to emulate in pure Python; see issue #2043
assert kw1 == {} or kw1 is None
assert kw2 == {}
def test_partial_reduce():
partial = _functools.partial(test_partial_reduce)
state = partial.__reduce__()
d = state[2][2]
assert state == (type(partial), (test_partial_reduce,),
(test_partial_reduce, (), d, None))
assert d is None or d == {} # both are acceptable
def test_partial_reduce():
partial = _functools.partial(test_partial_reduce)
state = partial.__reduce__()
d = state[2][2]
assert state == (type(partial), (test_partial_reduce, ),
(test_partial_reduce, (), d, None))
assert d is None or d == {} # both are acceptable
def test_immutable_attributes():
partial = _functools.partial(object)
with pytest.raises((TypeError, AttributeError)):
partial.func = sum
with pytest.raises(TypeError) as exc:
del partial.__dict__
assert str(exc.value) == "a partial object's dictionary may not be deleted"
with pytest.raises(AttributeError):
del partial.zzz
def test_immutable_attributes():
partial = _functools.partial(object)
with pytest.raises((TypeError, AttributeError)):
partial.func = sum
with pytest.raises(TypeError) as exc:
del partial.__dict__
assert str(exc.value) == "a partial object's dictionary may not be deleted"
with pytest.raises(AttributeError):
del partial.zzz
def test_self_keyword():
partial = _functools.partial(dict, self=42)
assert partial(other=43) == {'self': 42, 'other': 43}
def test_partial_pickle():
import pickle
partial1 = _functools.partial(test_partial_pickle)
string = pickle.dumps(partial1)
partial2 = pickle.loads(string)
assert partial1.func == partial2.func
def test_partial_setstate():
partial = _functools.partial(object)
partial.__setstate__((test_partial_setstate, (), None, None))
assert partial.func == test_partial_setstate
def test_self_keyword():
partial = _functools.partial(dict, self=42)
assert partial(other=43) == {'self': 42, 'other': 43}
def test_partial_pickle():
import pickle
partial1 = _functools.partial(test_partial_pickle)
string = pickle.dumps(partial1)
partial2 = pickle.loads(string)
assert partial1.func == partial2.func
def test_partial_setstate():
partial = _functools.partial(object)
partial.__setstate__([test_partial_setstate, (), None, None])
assert partial.func == test_partial_setstate
def test_partial_reduce():
partial = _functools.partial(test_partial_reduce)
state = partial.__reduce__()
assert state == (type(partial), (test_partial_reduce,),
(test_partial_reduce, (), None, None))
def test_partial_reduce():
partial = _functools.partial(test_partial_reduce)
state = partial.__reduce__()
assert state == (type(partial), (test_partial_reduce, ),
(test_partial_reduce, (), None, None))
