本文整理汇总了Python中weakref.WeakSet.update方法的典型用法代码示例。如果您正苦于以下问题：Python WeakSet.update方法的具体用法？Python WeakSet.update怎么用？Python WeakSet.update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.WeakSet的用法示例。
在下文中一共展示了WeakSet.update方法的5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_weak_destroy_and_mutate_while_iterating
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import update [as 别名]
def test_weak_destroy_and_mutate_while_iterating(self):
# Issue #7105: iterators shouldn't crash when a key is implicitly removed
items = [SomeClass(c) for c in string.ascii_letters]
s = WeakSet(items)
@contextlib.contextmanager
def testcontext():
try:
it = iter(s)
next(it)
# Schedule an item for removal and recreate it
u = SomeClass(str(items.pop()))
test_support.gc_collect() # just in case
yield u
finally:
it = None # should commit all removals
test_support.gc_collect()
with testcontext() as u:
self.assertNotIn(u, s)
with testcontext() as u:
self.assertRaises(KeyError, s.remove, u)
self.assertNotIn(u, s)
with testcontext() as u:
s.add(u)
self.assertIn(u, s)
t = s.copy()
with testcontext() as u:
s.update(t)
self.assertEqual(len(s), len(t))
with testcontext() as u:
s.clear()
self.assertEqual(len(s), 0)示例2: test_weak_destroy_and_mutate_while_iterating
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import update [as 别名]
def test_weak_destroy_and_mutate_while_iterating(self):
# Issue #7105: iterators shouldn't crash when a key is implicitly removed
items = [ustr(c) for c in string.ascii_letters]
s = WeakSet(items)
@contextlib.contextmanager
def testcontext():
try:
it = iter(s)
# Start iterator
yielded = ustr(str(next(it)))
# Schedule an item for removal and recreate it
u = ustr(str(items.pop()))
if yielded == u:
# The iterator still has a reference to the removed item,
# advance it (issue #20006).
next(it)
gc.collect() # just in case
yield u
finally:
it = None # should commit all removals
with testcontext() as u:
self.assertNotIn(u, s)
with testcontext() as u:
self.assertRaises(KeyError, s.remove, u)
self.assertNotIn(u, s)
with testcontext() as u:
s.add(u)
self.assertIn(u, s)
t = s.copy()
with testcontext() as u:
s.update(t)
self.assertEqual(len(s), len(t))
with testcontext() as u:
s.clear()
self.assertEqual(len(s), 0)示例3: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import update [as 别名]
#.........这里部分代码省略.........
dup = self.s.copy()
self.s.add(x)
self.assertEqual(self.s, dup)
if not test_support.is_jython: # Jython/JVM can weakly reference list and other objects
self.assertRaises(TypeError, self.s.add, [])
self.fs.add(Foo())
test_support.gc_collect() # CPython assumes Foo() went out of scope and was collected, so ensure the same
self.assertEqual(len(list(self.fs)), 1)
self.fs.add(self.obj)
self.assertEqual(len(list(self.fs)), 1)
def test_remove(self):
x = SomeClass('a')
self.s.remove(x)
self.assertNotIn(x, self.s)
self.assertRaises(KeyError, self.s.remove, x)
if not test_support.is_jython: # Jython/JVM can weakly reference list and other objects
self.assertRaises(TypeError, self.s.remove, [])
def test_discard(self):
a, q = SomeClass('a'), SomeClass('Q')
self.s.discard(a)
self.assertNotIn(a, self.s)
self.s.discard(q)
if not test_support.is_jython: # Jython/JVM can weakly reference list and other objects
self.assertRaises(TypeError, self.s.discard, [])
def test_pop(self):
for i in range(len(self.s)):
elem = self.s.pop()
self.assertNotIn(elem, self.s)
self.assertRaises(KeyError, self.s.pop)
def test_update(self):
retval = self.s.update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
self.assertRaises(TypeError, self.s.update, [[]])
def test_update_set(self):
self.s.update(set(self.items2))
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_ior(self):
self.s |= set(self.items2)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_intersection_update(self):
retval = self.s.intersection_update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else:
self.assertNotIn(c, self.s)
self.assertRaises(TypeError, self.s.intersection_update, [[]])
def test_iand(self):
self.s &= set(self.items2)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else:示例4: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import update [as 别名]
#.........这里部分代码省略.........
def test_add(self):
x = SomeClass('Q')
self.s.add(x)
self.assertIn(x, self.s)
dup = self.s.copy()
self.s.add(x)
self.assertEqual(self.s, dup)
self.assertRaises(TypeError, self.s.add, [])
self.fs.add(Foo())
self.assertTrue(len(self.fs) == 1)
self.fs.add(self.obj)
self.assertTrue(len(self.fs) == 1)
def test_remove(self):
x = SomeClass('a')
self.s.remove(x)
self.assertNotIn(x, self.s)
self.assertRaises(KeyError, self.s.remove, x)
self.assertRaises(TypeError, self.s.remove, [])
def test_discard(self):
a, q = SomeClass('a'), SomeClass('Q')
self.s.discard(a)
self.assertNotIn(a, self.s)
self.s.discard(q)
self.assertRaises(TypeError, self.s.discard, [])
def test_pop(self):
for i in range(len(self.s)):
elem = self.s.pop()
self.assertNotIn(elem, self.s)
self.assertRaises(KeyError, self.s.pop)
def test_update(self):
retval = self.s.update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
self.assertRaises(TypeError, self.s.update, [[]])
def test_update_set(self):
self.s.update(set(self.items2))
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_ior(self):
self.s |= set(self.items2)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_intersection_update(self):
retval = self.s.intersection_update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else:
self.assertNotIn(c, self.s)
self.assertRaises(TypeError, self.s.intersection_update, [[]])
def test_iand(self):
self.s &= set(self.items2)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else:示例5: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import update [as 别名]
#.........这里部分代码省略.........
x = ustr('Q')
self.s.add(x)
self.assertIn(x, self.s)
dup = self.s.copy()
self.s.add(x)
self.assertEqual(self.s, dup)
self.assertRaises(TypeError, self.s.add, [])
self.fs.add(Foo())
support.gc_collect()
self.assertTrue(len(self.fs) == 1)
self.fs.add(self.obj)
self.assertTrue(len(self.fs) == 1)
def test_remove(self):
x = ustr('a')
self.s.remove(x)
self.assertNotIn(x, self.s)
self.assertRaises(KeyError, self.s.remove, x)
self.assertRaises(TypeError, self.s.remove, [])
def test_discard(self):
a, q = ustr('a'), ustr('Q')
self.s.discard(a)
self.assertNotIn(a, self.s)
self.s.discard(q)
self.assertRaises(TypeError, self.s.discard, [])
def test_pop(self):
for i in range(len(self.s)):
elem = self.s.pop()
self.assertNotIn(elem, self.s)
self.assertRaises(KeyError, self.s.pop)
def test_update(self):
retval = self.s.update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
self.assertRaises(TypeError, self.s.update, [[]])
def test_update_set(self):
self.s.update(set(self.items2))
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_ior(self):
self.s |= set(self.items2)
for c in (self.items + self.items2):
self.assertIn(c, self.s)
def test_intersection_update(self):
retval = self.s.intersection_update(self.items2)
self.assertEqual(retval, None)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else:
self.assertNotIn(c, self.s)
self.assertRaises(TypeError, self.s.intersection_update, [[]])
def test_iand(self):
self.s &= set(self.items2)
for c in (self.items + self.items2):
if c in self.items2 and c in self.items:
self.assertIn(c, self.s)
else: