def get_arg_spec()

in nubia/internal/helpers.py [0:0]

• 16 lines of code
• 6 McCabe index (conditional complexity)

def get_arg_spec(function):
    """
    Basic backport of python's 3 inspect.gefullargspec to python 2
    """

    def set_default_value(dictionary, key, value):
        if not dictionary.get(key, None):
            dictionary[key] = value

    if hasattr(inspect, "getfullargspec"):
        argspec = inspect.getfullargspec(function)._asdict()
        argspec["annotations"].update(getattr(function, "__annotations__", {}))
    else:
        argspec = inspect.getargspec(function)._asdict()
        # python 3 renamed keywords for varkw
        argspec["varkw"] = argspec.pop("keywords")
        argspec["annotations"] = getattr(function, "__annotations__", None)

    for field in ["args", "defaults", "kwonlyargs"]:
        set_default_value(argspec, field, [])
    for field in ["kwonlydefaults", "annotations"]:
        set_default_value(argspec, field, {})

    return FullArgSpec(**argspec)