autoargs.py 文件源码

def get_all_parameters(cls, parsed_args):
    prefix = _get_prefix(cls)
    if prefix is None or len(prefix) == 0:
        raise ValueError('Cannot retrieve parameters without prefix')
    info = _get_info(cls)
    if inspect.ismethod(cls.__init__):
        spec = inspect.getargspec(cls.__init__)
        if spec.defaults is None:
            arg_defaults = {}
        else:
            arg_defaults = dict(list(zip(spec.args[::-1], spec.defaults[::-1])))
    else:
        arg_defaults = {}
    all_params = {}
    for arg_name, arg_info in info.items():
        prefixed_name = prefix + arg_name
        arg_value = None
        if hasattr(parsed_args, prefixed_name):
            arg_value = getattr(parsed_args, prefixed_name)
        if arg_value is None and arg_name in arg_defaults:
            arg_value = arg_defaults[arg_name]
        if arg_value is not None:
            all_params[arg_name] = arg_value
    return all_params