本文整理汇总了Python中weakref.WeakSet.pop方法的典型用法代码示例。如果您正苦于以下问题：Python WeakSet.pop方法的具体用法？Python WeakSet.pop怎么用？Python WeakSet.pop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.pop方法的3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: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import pop [as 别名]
class TestWeakSet(unittest.TestCase):
def setUp(self):
# need to keep references to them
self.items = [SomeClass(c) for c in ('a', 'b', 'c')]
self.items2 = [SomeClass(c) for c in ('x', 'y', 'z')]
self.letters = [SomeClass(c) for c in string.ascii_letters]
self.ab_items = [SomeClass(c) for c in 'ab']
self.abcde_items = [SomeClass(c) for c in 'abcde']
self.def_items = [SomeClass(c) for c in 'def']
self.ab_weakset = WeakSet(self.ab_items)
self.abcde_weakset = WeakSet(self.abcde_items)
self.def_weakset = WeakSet(self.def_items)
self.s = WeakSet(self.items)
self.d = dict.fromkeys(self.items)
self.obj = SomeClass('F')
self.fs = WeakSet([self.obj])
def test_methods(self):
weaksetmethods = dir(WeakSet)
for method in dir(set):
if method == 'test_c_api' or method.startswith('_'):
continue
self.assertIn(method, weaksetmethods,
"WeakSet missing method " + method)
def test_new_or_init(self):
self.assertRaises(TypeError, WeakSet, [], 2)
def test_len(self):
self.assertEqual(len(self.s), len(self.d))
self.assertEqual(len(self.fs), 1)
del self.obj
test_support.gc_collect()
# len of weak collections is eventually consistent on
# Jython. In practice this does not matter because of the
# nature of weaksets - we cannot rely on what happens in the
# reaper thread and how it interacts with gc
self.assertIn(len(self.fs), (0, 1))
def test_contains(self):
for c in self.letters:
self.assertEqual(c in self.s, c in self.d)
# 1 is not weakref'able, but that TypeError is caught by __contains__
self.assertNotIn(1, self.s)
self.assertIn(self.obj, self.fs)
del self.obj
test_support.gc_collect()
self.assertNotIn(SomeClass('F'), self.fs)
def test_union(self):
u = self.s.union(self.items2)
for c in self.letters:
self.assertEqual(c in u, c in self.d or c in self.items2)
self.assertEqual(self.s, WeakSet(self.items))
self.assertEqual(type(u), WeakSet)
self.assertRaises(TypeError, self.s.union, [[]])
for C in set, frozenset, dict.fromkeys, list, tuple:
x = WeakSet(self.items + self.items2)
c = C(self.items2)
self.assertEqual(self.s.union(c), x)
del c
test_support.gc_collect()
self.assertEqual(len(list(u)), len(list(self.items)) + len(list(self.items2)))
self.items2.pop()
test_support.gc_collect()
self.assertEqual(len(list(u)), len(list(self.items)) + len(list(self.items2)))
def test_or(self):
i = self.s.union(self.items2)
self.assertEqual(self.s | set(self.items2), i)
self.assertEqual(self.s | frozenset(self.items2), i)
def test_intersection(self):
s = WeakSet(self.letters)
i = s.intersection(self.items2)
for c in self.letters:
self.assertEqual(c in i, c in self.items2 and c in self.letters)
self.assertEqual(s, WeakSet(self.letters))
self.assertEqual(type(i), WeakSet)
for C in set, frozenset, dict.fromkeys, list, tuple:
x = WeakSet([])
self.assertEqual(i.intersection(C(self.items)), x)
self.assertEqual(len(i), len(self.items2))
self.items2.pop()
test_support.gc_collect()
self.assertEqual(len(list(i)), len(list(self.items2)))
def test_isdisjoint(self):
self.assertTrue(self.s.isdisjoint(WeakSet(self.items2)))
self.assertTrue(not self.s.isdisjoint(WeakSet(self.letters)))
def test_and(self):
i = self.s.intersection(self.items2)
self.assertEqual(self.s & set(self.items2), i)
self.assertEqual(self.s & frozenset(self.items2), i)
def test_difference(self):
i = self.s.difference(self.items2)
for c in self.letters:
#.........这里部分代码省略.........
示例2: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import pop [as 别名]
#.........这里部分代码省略.........
def test_copy(self):
dup = self.s.copy()
self.assertEqual(self.s, dup)
self.assertNotEqual(id(self.s), id(dup))
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, [[]])
示例3: TestWeakSet
# 需要导入模块: from weakref import WeakSet [as 别名]
# 或者: from weakref.WeakSet import pop [as 别名]
class TestWeakSet(unittest.TestCase):
def setUp(self):
# need to keep references to them
self.items = [ustr(c) for c in ('a', 'b', 'c')]
self.items2 = [ustr(c) for c in ('x', 'y', 'z')]
self.ab_items = [ustr(c) for c in 'ab']
self.abcde_items = [ustr(c) for c in 'abcde']
self.def_items = [ustr(c) for c in 'def']
self.ab_weakset = WeakSet(self.ab_items)
self.abcde_weakset = WeakSet(self.abcde_items)
self.def_weakset = WeakSet(self.def_items)
self.letters = [ustr(c) for c in string.ascii_letters]
self.s = WeakSet(self.items)
self.d = dict.fromkeys(self.items)
self.obj = ustr('F')
self.fs = WeakSet([self.obj])
def test_methods(self):
weaksetmethods = dir(WeakSet)
for method in dir(set):
if method == 'test_c_api' or method.startswith('_'):
continue
self.assertIn(method, weaksetmethods,
"WeakSet missing method " + method)
def test_new_or_init(self):
self.assertRaises(TypeError, WeakSet, [], 2)
def test_len(self):
self.assertEqual(len(self.s), len(self.d))
self.assertEqual(len(self.fs), 1)
del self.obj
support.gc_collect()
self.assertEqual(len(self.fs), 0)
def test_contains(self):
for c in self.letters:
self.assertEqual(c in self.s, c in self.d)
# 1 is not weakref'able, but that TypeError is caught by __contains__
self.assertNotIn(1, self.s)
self.assertIn(self.obj, self.fs)
del self.obj
support.gc_collect()
self.assertNotIn(ustr('F'), self.fs)
def test_union(self):
u = self.s.union(self.items2)
for c in self.letters:
self.assertEqual(c in u, c in self.d or c in self.items2)
self.assertEqual(self.s, WeakSet(self.items))
self.assertEqual(type(u), WeakSet)
self.assertRaises(TypeError, self.s.union, [[]])
for C in set, frozenset, dict.fromkeys, list, tuple:
x = WeakSet(self.items + self.items2)
c = C(self.items2)
self.assertEqual(self.s.union(c), x)
del c
self.assertEqual(len(u), len(self.items) + len(self.items2))
self.items2.pop()
gc.collect()
self.assertEqual(len(u), len(self.items) + len(self.items2))
def test_or(self):
i = self.s.union(self.items2)
self.assertEqual(self.s | set(self.items2), i)
self.assertEqual(self.s | frozenset(self.items2), i)
def test_intersection(self):
s = WeakSet(self.letters)
i = s.intersection(self.items2)
for c in self.letters:
self.assertEqual(c in i, c in self.items2 and c in self.letters)
self.assertEqual(s, WeakSet(self.letters))
self.assertEqual(type(i), WeakSet)
for C in set, frozenset, dict.fromkeys, list, tuple:
x = WeakSet([])
self.assertEqual(i.intersection(C(self.items)), x)
self.assertEqual(len(i), len(self.items2))
self.items2.pop()
gc.collect()
self.assertEqual(len(i), len(self.items2))
def test_isdisjoint(self):
self.assertTrue(self.s.isdisjoint(WeakSet(self.items2)))
self.assertTrue(not self.s.isdisjoint(WeakSet(self.letters)))
def test_and(self):
i = self.s.intersection(self.items2)
self.assertEqual(self.s & set(self.items2), i)
self.assertEqual(self.s & frozenset(self.items2), i)
def test_difference(self):
i = self.s.difference(self.items2)
for c in self.letters:
self.assertEqual(c in i, c in self.d and c not in self.items2)
self.assertEqual(self.s, WeakSet(self.items))
self.assertEqual(type(i), WeakSet)
self.assertRaises(TypeError, self.s.difference, [[]])
#.........这里部分代码省略.........