bottle.py 文件源码

def getargspec(func):
        params = signature(func).parameters
        args, varargs, keywords, defaults = [], None, None, []
        for name, param in params.items():
            if param.kind == param.VAR_POSITIONAL:
                varargs = name
            elif param.kind == param.VAR_KEYWORD:
                keywords = name
            else:
                args.append(name)
                if param.default is not param.empty:
                    defaults.append(param.default)
        return (args, varargs, keywords, tuple(defaults) or None)