本文整理汇总了Python中collections.KeysView方法的典型用法代码示例。如果您正苦于以下问题：Python collections.KeysView方法的具体用法？Python collections.KeysView怎么用？Python collections.KeysView使用的例子？那么, 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collections的用法示例。
在下文中一共展示了collections.KeysView方法的6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_abc_registry
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def test_abc_registry(self):
d = dict(a=1)
self.assertIsInstance(d.viewkeys(), collections.KeysView)
self.assertIsInstance(d.viewkeys(), collections.MappingView)
self.assertIsInstance(d.viewkeys(), collections.Set)
self.assertIsInstance(d.viewkeys(), collections.Sized)
self.assertIsInstance(d.viewkeys(), collections.Iterable)
self.assertIsInstance(d.viewkeys(), collections.Container)
self.assertIsInstance(d.viewvalues(), collections.ValuesView)
self.assertIsInstance(d.viewvalues(), collections.MappingView)
self.assertIsInstance(d.viewvalues(), collections.Sized)
self.assertIsInstance(d.viewitems(), collections.ItemsView)
self.assertIsInstance(d.viewitems(), collections.MappingView)
self.assertIsInstance(d.viewitems(), collections.Set)
self.assertIsInstance(d.viewitems(), collections.Sized)
self.assertIsInstance(d.viewitems(), collections.Iterable)
self.assertIsInstance(d.viewitems(), collections.Container) 示例2: keys
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def keys(self):
return KeysView(self) 示例3: viewkeys
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def viewkeys(self):
"Return set-like object with view of mapping keys."
return KeysView(self) 示例4: has_intrinsic_functions
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def has_intrinsic_functions(parameter):
intrinsic_functions = ["Fn::Sub", "!Sub", "!GetAtt"]
result = False
if isinstance(parameter, (list, tuple, dict, KeysView)):
for item in parameter:
if item in intrinsic_functions:
result = True
break
return result 示例5: viewkeys
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def viewkeys(self):
return collections.KeysView(self) 示例6: keys
# 需要导入模块: import collections [as 别名]
# 或者: from collections import KeysView [as 别名]
def keys(self):
"""D.keys() => a set-like object providing a view on D's keys"""
return stdlib_collections.KeysView(self)