本文整理匯總了Python中copyreg.__newobj__方法的典型用法代碼示例。如果您正苦於以下問題：Python copyreg.__newobj__方法的具體用法？Python copyreg.__newobj__怎麽用？Python copyreg.__newobj__使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類copyreg的用法示例。
在下文中一共展示了copyreg.__newobj__方法的5個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。
示例1: test_issue24097
# 需要導入模塊: import copyreg [as 別名]
# 或者: from copyreg import __newobj__ [as 別名]
def test_issue24097(self):
# Slot name is freed inside __getattr__ and is later used.
class S(str): # Not interned
pass
class A:
__slotnames__ = [S('spam')]
def __getattr__(self, attr):
if attr == 'spam':
A.__slotnames__[:] = [S('spam')]
return 42
else:
raise AttributeError
import copyreg
expected = (copyreg.__newobj__, (A,), (None, {'spam': 42}), None, None)
self.assertEqual(A().__reduce__(2), expected) # Shouldn't crash 示例2: test_issue24097
# 需要導入模塊: import copyreg [as 別名]
# 或者: from copyreg import __newobj__ [as 別名]
def test_issue24097(self):
# Slot name is freed inside __getattr__ and is later used.
class S(str): # Not interned
pass
class A:
__slotnames__ = [S('spam')]
def __getattr__(self, attr):
if attr == 'spam':
A.__slotnames__[:] = [S('spam')]
return 42
else:
raise AttributeError
import copyreg
expected = (copyreg.__newobj__, (A,), (None, {'spam': 42}), None, None)
self.assertEqual(A().__reduce_ex__(2), expected) # Shouldn't crash 示例3: _check_reduce
# 需要導入模塊: import copyreg [as 別名]
# 或者: from copyreg import __newobj__ [as 別名]
def _check_reduce(self, proto, obj, args=(), kwargs={}, state=None,
listitems=None, dictitems=None):
if proto >= 2:
reduce_value = obj.__reduce_ex__(proto)
if kwargs:
self.assertEqual(reduce_value[0], copyreg.__newobj_ex__)
self.assertEqual(reduce_value[1], (type(obj), args, kwargs))
else:
self.assertEqual(reduce_value[0], copyreg.__newobj__)
self.assertEqual(reduce_value[1], (type(obj),) + args)
self.assertEqual(reduce_value[2], state)
if listitems is not None:
self.assertListEqual(list(reduce_value[3]), listitems)
else:
self.assertIsNone(reduce_value[3])
if dictitems is not None:
self.assertDictEqual(dict(reduce_value[4]), dictitems)
else:
self.assertIsNone(reduce_value[4])
else:
base_type = type(obj).__base__
reduce_value = (copyreg._reconstructor,
(type(obj),
base_type,
None if base_type is object else base_type(obj)))
if state is not None:
reduce_value += (state,)
self.assertEqual(obj.__reduce_ex__(proto), reduce_value)
self.assertEqual(obj.__reduce__(), reduce_value) 示例4: _check_reduce
# 需要導入模塊: import copyreg [as 別名]
# 或者: from copyreg import __newobj__ [as 別名]
def _check_reduce(self, proto, obj, args=(), kwargs={}, state=None,
listitems=None, dictitems=None):
if proto >= 4:
reduce_value = obj.__reduce_ex__(proto)
self.assertEqual(reduce_value[:3],
(copyreg.__newobj_ex__,
(type(obj), args, kwargs),
state))
if listitems is not None:
self.assertListEqual(list(reduce_value[3]), listitems)
else:
self.assertIsNone(reduce_value[3])
if dictitems is not None:
self.assertDictEqual(dict(reduce_value[4]), dictitems)
else:
self.assertIsNone(reduce_value[4])
elif proto >= 2:
reduce_value = obj.__reduce_ex__(proto)
self.assertEqual(reduce_value[:3],
(copyreg.__newobj__,
(type(obj),) + args,
state))
if listitems is not None:
self.assertListEqual(list(reduce_value[3]), listitems)
else:
self.assertIsNone(reduce_value[3])
if dictitems is not None:
self.assertDictEqual(dict(reduce_value[4]), dictitems)
else:
self.assertIsNone(reduce_value[4])
else:
base_type = type(obj).__base__
reduce_value = (copyreg._reconstructor,
(type(obj),
base_type,
None if base_type is object else base_type(obj)))
if state is not None:
reduce_value += (state,)
self.assertEqual(obj.__reduce_ex__(proto), reduce_value)
self.assertEqual(obj.__reduce__(), reduce_value) 示例5: test__newobj__
# 需要導入模塊: import copyreg [as 別名]
# 或者: from copyreg import __newobj__ [as 別名]
def test__newobj__(self):
#the second argument is omitted
result = None
result = copyreg.__newobj__(object)
self.assertTrue(result != None,
"The method __newobj__ did not return an object")
#the second argument is an int object
result = None
a = 1
result = copyreg.__newobj__(int,a)
self.assertTrue(result != None,
"The method __newobj__ did not return an object")
#the method accept multiple arguments
reseult = None
class customtype(object):
def __new__(cls,b,c,d):
return object.__new__(cls)
def __init__(self):
pass
c = True
d = "argu"
e = 3
result = copyreg.__newobj__(customtype,c,d,e)
self.assertTrue(result != None,
"The method __newobj__ did not return an object")
#TODO: @skip("multiple_execute")