__init__.py 文件源码

def __init__(self: 'lazydict', value_factory: Callable[[Hashable], Any]=None, *args, **kw):
        """Initialize new lazy dictionary.

        Keyword arguments:
            value_factory: The callable to use for constructing
                missing values.
            Other arguments are the same as for built-in `dict`.
        """

        self.value_factory = value_factory
        super().__init__(None, *args, **kw)