本文整理汇总了Python中collections.OrderedDict.__init__方法的典型用法代码示例。如果您正苦于以下问题：Python OrderedDict.__init__方法的具体用法？Python OrderedDict.__init__怎么用？Python OrderedDict.__init__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collections.OrderedDict的用法示例。
在下文中一共展示了OrderedDict.__init__方法的15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_init
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_init(self):
with self.assertRaises(TypeError):
OrderedDict([('a', 1), ('b', 2)], None) # too many args
pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)]
self.assertEqual(sorted(OrderedDict(dict(pairs)).items()), pairs) # dict input
self.assertEqual(sorted(OrderedDict(**dict(pairs)).items()), pairs) # kwds input
self.assertEqual(list(OrderedDict(pairs).items()), pairs) # pairs input
self.assertEqual(list(OrderedDict([('a', 1), ('b', 2), ('c', 9), ('d', 4)],
c=3, e=5).items()), pairs) # mixed input
# make sure no positional args conflict with possible kwdargs
self.assertEqual(list(OrderedDict(self=42).items()), [('self', 42)])
self.assertEqual(list(OrderedDict(other=42).items()), [('other', 42)])
self.assertRaises(TypeError, OrderedDict, 42)
self.assertRaises(TypeError, OrderedDict, (), ())
self.assertRaises(TypeError, OrderedDict.__init__)
# Make sure that direct calls to __init__ do not clear previous contents
d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)])
d.__init__([('e', 5), ('f', 6)], g=7, d=4)
self.assertEqual(list(d.items()),
[('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)]) 示例2: test_equality_Set
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_equality_Set(self):
class MySet(Set):
def __init__(self, itr):
self.contents = itr
def __contains__(self, x):
return x in self.contents
def __iter__(self):
return iter(self.contents)
def __len__(self):
return len([x for x in self.contents])
s1 = MySet((1,))
s2 = MySet((1, 2))
s3 = MySet((3, 4))
s4 = MySet((3, 4))
self.assertTrue(s2 > s1)
self.assertTrue(s1 < s2)
self.assertFalse(s2 <= s1)
self.assertFalse(s2 <= s3)
self.assertFalse(s1 >= s2)
self.assertEqual(s3, s4)
self.assertNotEqual(s2, s3) 示例3: test_init
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_init(self):
OrderedDict = self.OrderedDict
with self.assertRaises(TypeError):
OrderedDict([('a', 1), ('b', 2)], None) # too many args
pairs = [('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5)]
self.assertEqual(sorted(OrderedDict(dict(pairs)).items()), pairs) # dict input
self.assertEqual(sorted(OrderedDict(**dict(pairs)).items()), pairs) # kwds input
self.assertEqual(list(OrderedDict(pairs).items()), pairs) # pairs input
self.assertEqual(list(OrderedDict([('a', 1), ('b', 2), ('c', 9), ('d', 4)],
c=3, e=5).items()), pairs) # mixed input
# make sure no positional args conflict with possible kwdargs
self.assertEqual(list(OrderedDict(self=42).items()), [('self', 42)])
self.assertEqual(list(OrderedDict(other=42).items()), [('other', 42)])
self.assertRaises(TypeError, OrderedDict, 42)
self.assertRaises(TypeError, OrderedDict, (), ())
self.assertRaises(TypeError, OrderedDict.__init__)
# Make sure that direct calls to __init__ do not clear previous contents
d = OrderedDict([('a', 1), ('b', 2), ('c', 3), ('d', 44), ('e', 55)])
d.__init__([('e', 5), ('f', 6)], g=7, d=4)
self.assertEqual(list(d.items()),
[('a', 1), ('b', 2), ('c', 3), ('d', 4), ('e', 5), ('f', 6), ('g', 7)]) 示例4: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, init_val=(), strict=False):
"""
Create a new ordered dictionary. Cannot init from a normal dict,
nor from kwargs, since items order is undefined in those cases.
If the ``strict`` keyword argument is ``True`` (``False`` is the
default) then when doing slice assignment - the ``OrderedDict`` you are
assigning from *must not* contain any keys in the remaining dict.
>>> OrderedDict()
OrderedDict([])
>>> OrderedDict({1: 1})
Traceback (most recent call last):
TypeError: undefined order, cannot get items from dict
>>> OrderedDict({1: 1}.items())
OrderedDict([(1, 1)])
>>> d = OrderedDict(((1, 3), (3, 2), (2, 1)))
>>> d
OrderedDict([(1, 3), (3, 2), (2, 1)])
>>> OrderedDict(d)
OrderedDict([(1, 3), (3, 2), (2, 1)])
"""
self.strict = strict
dict.__init__(self)
if isinstance(init_val, OrderedDict):
self._sequence = init_val.keys()
dict.update(self, init_val)
elif isinstance(init_val, dict):
# we lose compatibility with other ordered dict types this way
raise TypeError('undefined order, cannot get items from dict')
else:
self._sequence = []
self.update(init_val)
### Special methods ### 示例5: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, data=None):
if data is None:
data = {}
self.reverse = {}
for k in data:
self.reverse[data[k]] = k
dict.__init__(self, data) 示例6: test_override_update
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_override_update(self):
# Verify that subclasses can override update() without breaking __init__()
class MyOD(OrderedDict):
def update(self, *args, **kwds):
raise Exception()
items = [('a', 1), ('c', 3), ('b', 2)]
self.assertEqual(list(MyOD(items).items()), items) 示例7: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, default_factory=None, *a, **kw):
if (default_factory is not None and
not isinstance(default_factory, collections.Callable)):
raise TypeError('first argument must be callable')
OrderedDict.__init__(self, *a, **kw)
self.default_factory = default_factory 示例8: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, default_factory=None, *a, **kw):
if (default_factory is not None and
not isinstance(default_factory, Callable)):
raise TypeError('first argument must be callable')
OrderedDict.__init__(self, *a, **kw)
self.default_factory = default_factory 开发者ID:ComparativeGenomicsToolkit，项目名称:Comparative-Annotation-Toolkit，代码行数:8，代码来源:defaultOrderedDict.py
示例9: validate_comparison
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def validate_comparison(self, instance):
ops = ['lt', 'gt', 'le', 'ge', 'ne', 'or', 'and', 'xor', 'sub']
operators = {}
for op in ops:
name = '__' + op + '__'
operators[name] = getattr(operator, name)
class Other:
def __init__(self):
self.right_side = False
def __eq__(self, other):
self.right_side = True
return True
__lt__ = __eq__
__gt__ = __eq__
__le__ = __eq__
__ge__ = __eq__
__ne__ = __eq__
__ror__ = __eq__
__rand__ = __eq__
__rxor__ = __eq__
__rsub__ = __eq__
for name, op in operators.items():
if not hasattr(instance, name):
continue
other = Other()
op(instance, other)
self.assertTrue(other.right_side,'Right side not called for %s.%s'
% (type(instance), name)) 示例10: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, it=()):
self.data = set(it) 示例11: test_hash_Set
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_hash_Set(self):
class OneTwoThreeSet(Set):
def __init__(self):
self.contents = [1, 2, 3]
def __contains__(self, x):
return x in self.contents
def __len__(self):
return len(self.contents)
def __iter__(self):
return iter(self.contents)
def __hash__(self):
return self._hash()
a, b = OneTwoThreeSet(), OneTwoThreeSet()
self.assertTrue(hash(a) == hash(b)) 示例12: test_issue_4920
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_issue_4920(self):
# MutableSet.pop() method did not work
class MySet(collections.MutableSet):
__slots__=['__s']
def __init__(self,items=None):
if items is None:
items=[]
self.__s=set(items)
def __contains__(self,v):
return v in self.__s
def __iter__(self):
return iter(self.__s)
def __len__(self):
return len(self.__s)
def add(self,v):
result=v not in self.__s
self.__s.add(v)
return result
def discard(self,v):
result=v in self.__s
self.__s.discard(v)
return result
def __repr__(self):
return "MySet(%s)" % repr(list(self))
s = MySet([5,43,2,1])
self.assertEqual(s.pop(), 1) 示例13: test_init
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def test_init(self):
self.assertEqual(list(Counter(self=42).items()), [('self', 42)])
self.assertEqual(list(Counter(iterable=42).items()), [('iterable', 42)])
self.assertEqual(list(Counter(iterable=None).items()), [('iterable', None)])
self.assertRaises(TypeError, Counter, 42)
self.assertRaises(TypeError, Counter, (), ())
self.assertRaises(TypeError, Counter.__init__) 示例14: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, default_factory=None, *a, **kw):
if (default_factory is not None and not isinstance(default_factory, Callable)):
raise TypeError('First argument must be callable')
OrderedDict.__init__(self, *a, **kw)
self.default_factory = default_factory 示例15: __init__
# 需要导入模块: from collections import OrderedDict [as 别名]
# 或者: from collections.OrderedDict import __init__ [as 别名]
def __init__(self, *args, **kwds):
self.size_limit = kwds.pop("size_limit", None)
OrderedDict.__init__(self, *args, **kwds)
self._check_size_limit()