compat.py 文件源码

def accepts_kwargs(func):
        # In python3.4.1, there's backwards incompatible
        # changes when using getargspec with functools.partials.
        return inspect.getfullargspec(func)[2]

    # In python3, socket.error is OSError, which is too general
    # for what we want (i.e FileNotFoundError is a subclass of OSError).
    # In py3 all the socket related errors are in a newly created
    # ConnectionError