Python _collections.OrderedDict方法代码示例

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def __init__(*args, **kwds):
        '''Initialize an ordered dictionary.  The signature is the same as
        regular dictionaries, but keyword arguments are not recommended because
        their insertion order is arbitrary.

        '''
        if not args:
            raise TypeError("descriptor '__init__' of 'OrderedDict' object "
                            "needs an argument")
        self, *args = args
        if len(args) > 1:
            raise TypeError('expected at most 1 arguments, got %d' % len(args))
        try:
            self.__root
        except AttributeError:
            self.__hardroot = _Link()
            self.__root = root = _proxy(self.__hardroot)
            root.prev = root.next = root
            self.__map = {}
        self.__update(*args, **kwds) 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def __getattr__(name):
    # For backwards compatibility, continue to make the collections ABCs
    # through Python 3.6 available through the collections module.
    # Note, no new collections ABCs were added in Python 3.7
    if name in _collections_abc.__all__:
        obj = getattr(_collections_abc, name)
        import warnings
        warnings.warn("Using or importing the ABCs from 'collections' instead "
                      "of from 'collections.abc' is deprecated, "
                      "and in 3.8 it will stop working",
                      DeprecationWarning, stacklevel=2)
        globals()[name] = obj
        return obj
    raise AttributeError(f'module {__name__!r} has no attribute {name!r}')

################################################################################
### OrderedDict
################################################################################ 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def __init__(*args, **kwds):
        '''Initialize an ordered dictionary.  The signature is the same as
        regular dictionaries.  Keyword argument order is preserved.
        '''
        if not args:
            raise TypeError("descriptor '__init__' of 'OrderedDict' object "
                            "needs an argument")
        self, *args = args
        if len(args) > 1:
            raise TypeError('expected at most 1 arguments, got %d' % len(args))
        try:
            self.__root
        except AttributeError:
            self.__hardroot = _Link()
            self.__root = root = _proxy(self.__hardroot)
            root.prev = root.next = root
            self.__map = {}
        self.__update(*args, **kwds) 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def __reduce__(self):
        'Return state information for pickling'
        inst_dict = vars(self).copy()
        for k in vars(OrderedDict()):
            inst_dict.pop(k, None)
        return self.__class__, (), inst_dict or None, None, iter(self.items()) 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def __eq__(self, other):
        '''od.__eq__(y) <==> od==y.  Comparison to another OD is order-sensitive
        while comparison to a regular mapping is order-insensitive.

        '''
        if isinstance(other, OrderedDict):
            return dict.__eq__(self, other) and all(map(_eq, self, other))
        return dict.__eq__(self, other) 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def _convert(cls, name, module, filter, source=None):
        """
        Create a new Enum subclass that replaces a collection of global constants
        """
        # convert all constants from source (or module) that pass filter() to
        # a new Enum called name, and export the enum and its members back to
        # module;
        # also, replace the __reduce_ex__ method so unpickling works in
        # previous Python versions
        module_globals = vars(sys.modules[module])
        if source:
            source = vars(source)
        else:
            source = module_globals
        # We use an OrderedDict of sorted source keys so that the
        # _value2member_map is populated in the same order every time
        # for a consistent reverse mapping of number to name when there
        # are multiple names for the same number rather than varying
        # between runs due to hash randomization of the module dictionary.
        members = [
                (name, source[name])
                for name in source.keys()
                if filter(name)]
        try:
            # sort by value
            members.sort(key=lambda t: (t[1], t[0]))
        except TypeError:
            # unless some values aren't comparable, in which case sort by name
            members.sort(key=lambda t: t[0])
        cls = cls(name, members, module=module)
        cls.__reduce_ex__ = _reduce_ex_by_name
        module_globals.update(cls.__members__)
        module_globals[name] = cls
        return cls 

# 需要导入模块: import _collections [as 别名]
# 或者: from _collections import OrderedDict [as 别名]
def visdom_draw_tracking(self, image, box, segmentation=None):
        if isinstance(box, OrderedDict):
            box = [v for k, v in box.items()]
        else:
            box = (box,)
        if segmentation is None:
            self.visdom.register((image, *box), 'Tracking', 1, 'Tracking')
        else:
            self.visdom.register((image, *box, segmentation), 'Tracking', 1, 'Tracking')