optins.py 文件源码

def base_command(self, ctx, *roles: discord.Role):
        """Base command for all opt-ins. With no subcommand, it functions like optin add."""
        if not roles:
            return await ctx.send('BAKA! You must specify roles!')

        settings = ctx.get(GuildOptins, id=ctx.guild.id).one_or_none()
        if settings is None or not settings.optin_roles:
            return await ctx.send('BAKA! This guild has no optins!')

        optin_ids = {optin.id for optin in settings.optin_roles}
        optin_roles = {role for role in roles if role.id in optin_ids}
        already_have = optin_roles & set(ctx.author.roles)
        given = optin_roles - already_have
        await ctx.author.add_roles(*given)

        responses = []
        if given:
            responses.append('You have opted into {}.'.format(format.list(role.name for role in given)))
        if already_have:
            responses.append('BAKA! You have already opted into {}!'.format(format.list(role.name for role in already_have)))
        if len(optin_roles) < len(roles):
            responses.append('BAKA! {}!'.format(format.list((role.name for role in set(roles) - optin_roles), ' is not an optin', ' are not optins')))
        await ctx.send('\n'.join(responses)) # One or more of the above is always true