本文整理汇总了Python中weakref.getweakrefcount方法的典型用法代码示例。如果您正苦于以下问题：Python weakref.getweakrefcount方法的具体用法？Python weakref.getweakrefcount怎么用？Python weakref.getweakrefcount使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类weakref的用法示例。
在下文中一共展示了weakref.getweakrefcount方法的12个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: test_ref_reuse
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_ref_reuse(self):
o = C()
ref1 = weakref.ref(o)
# create a proxy to make sure that there's an intervening creation
# between these two; it should make no difference
proxy = weakref.proxy(o)
ref2 = weakref.ref(o)
self.assertIs(ref1, ref2,
"reference object w/out callback should be re-used")
o = C()
proxy = weakref.proxy(o)
ref1 = weakref.ref(o)
ref2 = weakref.ref(o)
self.assertIs(ref1, ref2,
"reference object w/out callback should be re-used")
self.assertEqual(weakref.getweakrefcount(o), 2,
"wrong weak ref count for object")
del proxy
self.assertEqual(weakref.getweakrefcount(o), 1,
"wrong weak ref count for object after deleting proxy") 示例2: test_getweakrefcount
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_getweakrefcount(self):
o = C()
ref1 = weakref.ref(o)
ref2 = weakref.ref(o, self.callback)
self.assertEqual(weakref.getweakrefcount(o), 2,
"got wrong number of weak reference objects")
proxy1 = weakref.proxy(o)
proxy2 = weakref.proxy(o, self.callback)
self.assertEqual(weakref.getweakrefcount(o), 4,
"got wrong number of weak reference objects")
del ref1, ref2, proxy1, proxy2
self.assertEqual(weakref.getweakrefcount(o), 0,
"weak reference objects not unlinked from"
" referent when discarded.")
# assumes ints do not support weakrefs
self.assertEqual(weakref.getweakrefcount(1), 0,
"got wrong number of weak reference objects for int") 示例3: test_subclass_refs_dont_replace_standard_refs
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_subclass_refs_dont_replace_standard_refs(self):
class MyRef(weakref.ref):
pass
o = Object(42)
r1 = MyRef(o)
r2 = weakref.ref(o)
self.assertIsNot(r1, r2)
self.assertEqual(weakref.getweakrefs(o), [r2, r1])
self.assertEqual(weakref.getweakrefcount(o), 2)
r3 = MyRef(o)
self.assertEqual(weakref.getweakrefcount(o), 3)
refs = weakref.getweakrefs(o)
self.assertEqual(len(refs), 3)
self.assertIs(r2, refs[0])
self.assertIn(r1, refs[1:])
self.assertIn(r3, refs[1:]) 示例4: test_ref_reuse
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_ref_reuse(self):
o = C()
ref1 = weakref.ref(o)
# create a proxy to make sure that there's an intervening creation
# between these two; it should make no difference
proxy = weakref.proxy(o)
ref2 = weakref.ref(o)
self.assertTrue(ref1 is ref2,
"reference object w/out callback should be re-used")
o = C()
proxy = weakref.proxy(o)
ref1 = weakref.ref(o)
ref2 = weakref.ref(o)
self.assertTrue(ref1 is ref2,
"reference object w/out callback should be re-used")
self.assertTrue(weakref.getweakrefcount(o) == 2,
"wrong weak ref count for object")
del proxy
self.assertTrue(weakref.getweakrefcount(o) == 1,
"wrong weak ref count for object after deleting proxy") 示例5: test_getweakrefcount
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_getweakrefcount(self):
o = C()
ref1 = weakref.ref(o)
ref2 = weakref.ref(o, self.callback)
self.assertTrue(weakref.getweakrefcount(o) == 2,
"got wrong number of weak reference objects")
proxy1 = weakref.proxy(o)
proxy2 = weakref.proxy(o, self.callback)
self.assertTrue(weakref.getweakrefcount(o) == 4,
"got wrong number of weak reference objects")
del ref1, ref2, proxy1, proxy2
self.assertTrue(weakref.getweakrefcount(o) == 0,
"weak reference objects not unlinked from"
" referent when discarded.")
# assumes ints do not support weakrefs
self.assertTrue(weakref.getweakrefcount(1) == 0,
"got wrong number of weak reference objects for int") 示例6: test_subclass_refs_dont_replace_standard_refs
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_subclass_refs_dont_replace_standard_refs(self):
class MyRef(weakref.ref):
pass
o = Object(42)
r1 = MyRef(o)
r2 = weakref.ref(o)
self.assertTrue(r1 is not r2)
self.assertEqual(weakref.getweakrefs(o), [r2, r1])
self.assertEqual(weakref.getweakrefcount(o), 2)
r3 = MyRef(o)
self.assertEqual(weakref.getweakrefcount(o), 3)
refs = weakref.getweakrefs(o)
self.assertEqual(len(refs), 3)
self.assertTrue(r2 is refs[0])
self.assertIn(r1, refs[1:])
self.assertIn(r3, refs[1:]) 示例7: test_ref_reuse
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_ref_reuse(self):
o = C()
ref1 = weakref.ref(o)
# create a proxy to make sure that there's an intervening creation
# between these two; it should make no difference
proxy = weakref.proxy(o)
ref2 = weakref.ref(o)
self.assert_(ref1 is ref2,
"reference object w/out callback should be re-used")
o = C()
proxy = weakref.proxy(o)
ref1 = weakref.ref(o)
ref2 = weakref.ref(o)
self.assert_(ref1 is ref2,
"reference object w/out callback should be re-used")
self.assert_(weakref.getweakrefcount(o) == 2,
"wrong weak ref count for object")
del proxy
extra_collect()
self.assert_(weakref.getweakrefcount(o) == 1,
"wrong weak ref count for object after deleting proxy") 示例8: test_getweakrefcount
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_getweakrefcount(self):
o = C()
ref1 = weakref.ref(o)
ref2 = weakref.ref(o, self.callback)
self.assert_(weakref.getweakrefcount(o) == 2,
"got wrong number of weak reference objects")
proxy1 = weakref.proxy(o)
proxy2 = weakref.proxy(o, self.callback)
self.assert_(weakref.getweakrefcount(o) == 4,
"got wrong number of weak reference objects")
del ref1, ref2, proxy1, proxy2
extra_collect()
self.assert_(weakref.getweakrefcount(o) == 0,
"weak reference objects not unlinked from"
" referent when discarded.")
# assumes ints do not support weakrefs
self.assert_(weakref.getweakrefcount(1) == 0,
"got wrong number of weak reference objects for int") 示例9: test_subclass_refs_dont_replace_standard_refs
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_subclass_refs_dont_replace_standard_refs(self):
class MyRef(weakref.ref):
pass
o = Object(42)
r1 = MyRef(o)
r2 = weakref.ref(o)
self.assert_(r1 is not r2)
self.assertEqual(weakref.getweakrefs(o), [r2, r1])
self.assertEqual(weakref.getweakrefcount(o), 2)
r3 = MyRef(o)
self.assertEqual(weakref.getweakrefcount(o), 3)
refs = weakref.getweakrefs(o)
self.assertEqual(len(refs), 3)
self.assert_(r2 is refs[0])
self.assert_(r1 in refs[1:])
self.assert_(r3 in refs[1:]) 示例10: test_ref_reuse
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_ref_reuse(self):
o = C()
ref1 = weakref.ref(o)
# create a proxy to make sure that there's an intervening creation
# between these two; it should make no difference
proxy = weakref.proxy(o)
ref2 = weakref.ref(o)
self.assertTrue(ref1 is ref2,
"reference object w/out callback should be re-used")
o = C()
proxy = weakref.proxy(o)
ref1 = weakref.ref(o)
ref2 = weakref.ref(o)
self.assertTrue(ref1 is ref2,
"reference object w/out callback should be re-used")
self.assertTrue(weakref.getweakrefcount(o) == 2,
"wrong weak ref count for object")
del proxy
gc.collect()
self.assertTrue(weakref.getweakrefcount(o) == 1,
"wrong weak ref count for object after deleting proxy") 示例11: test_getweakrefcount
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_getweakrefcount(self):
o = C()
ref1 = weakref.ref(o)
ref2 = weakref.ref(o, self.callback)
self.assertTrue(weakref.getweakrefcount(o) == 2,
"got wrong number of weak reference objects")
proxy1 = weakref.proxy(o)
proxy2 = weakref.proxy(o, self.callback)
self.assertTrue(weakref.getweakrefcount(o) == 4,
"got wrong number of weak reference objects")
del ref1, ref2, proxy1, proxy2
gc.collect()
self.assertTrue(weakref.getweakrefcount(o) == 0,
"weak reference objects not unlinked from"
" referent when discarded.")
# assumes ints do not support weakrefs
self.assertTrue(weakref.getweakrefcount(1) == 0,
"got wrong number of weak reference objects for int") 示例12: test_subclass_refs_dont_replace_standard_refs
# 需要导入模块: import weakref [as 别名]
# 或者: from weakref import getweakrefcount [as 别名]
def test_subclass_refs_dont_replace_standard_refs(self):
class MyRef(weakref.ref):
pass
o = Object(42)
r1 = MyRef(o)
r2 = weakref.ref(o)
self.assertTrue(r1 is not r2)
self.assertEqual(weakref.getweakrefs(o), [r2, r1])
self.assertEqual(weakref.getweakrefcount(o), 2)
r3 = MyRef(o)
self.assertEqual(weakref.getweakrefcount(o), 3)
refs = weakref.getweakrefs(o)
self.assertEqual(len(refs), 3)
self.assertIn(r1, refs)
self.assertIn(r2, refs)
self.assertIn(r3, refs)