converters.py 文件源码

def convert(self, ctx: commands.Context, argument):
        def finder(entry):
            try:
                user_id = int(argument)
            except ValueError:
                user_id = None

            return (str(entry.user) == argument or  # username#discriminator
                    entry.user.name == argument or  # username
                    entry.user.id == user_id)       # id

        try:
            entry = discord.utils.find(finder, await ctx.guild.bans())

            if entry is None:
                raise commands.BadArgument(
                    'Banned user not found. You can specify by ID, username, or username#discriminator.'
                )

            return entry.user
        except discord.Forbidden:
            raise commands.BadArgument("I can't view the bans for this server.")