repl.py 文件源码

def get_source(self, thing):
        """returns a source object of a thing

        thing may be a non-builtin module, class, method, function, traceback, frame, or code object,
        or a space separated discord.ext.commands call,
        or a period deliminated file/module path as used when importing
        """
        if isinstance(thing, str):
            if '.' in thing:  # import
                modules = thing.split('.')
                def get_last_attr(prev, attrs):
                    try:
                        return prev.callback
                    except AttributeError:
                        if not attrs:
                            return prev
                        return get_last_attr(getattr(prev, attrs.pop(0)),
                                                     attrs)
                thing = get_last_attr(__import__(modules.pop(0)), modules)
            else:  # space delimited command call
                names = thing.split()
                thing = self.bot.commands[names.pop(0)]
                for name in names:
                    thing = thing.commands[name]
                thing = thing.callback
        return Source(thing)