perms.py 文件源码

def command_ancestry(command):
    if isinstance(command, Command):
        cmd = command
        while cmd is not None:
            yield cmd.qualified_name
            cmd = cmd.parent
        if command.instance:
            yield '_' + command.cog_name.casefold()
    elif command != '_all':
        yield '_' + type(command).__name__.casefold()
    yield '_all'