checks.py 文件源码

def custom_perms(**perms):
    def predicate(ctx):
        # Return true if this is a private channel, we'll handle that in the registering of the command
        if ctx.message.channel.is_private:
            return True

        # Get the member permissions so that we can compare
        member_perms = ctx.message.author.permissions_in(ctx.message.channel)
        # Next, set the default permissions if one is not used, based on what was passed
        # This will be overriden later, if we have custom permissions
        required_perm = discord.Permissions.none()
        for perm, setting in perms.items():
            setattr(required_perm, perm, setting)

        try:
            server_settings = config.cache.get('server_settings').values
            required_perm_value = [x for x in server_settings if x['server_id'] == ctx.message.server.id][0]['permissions'][ctx.command.qualified_name]
            required_perm = discord.Permissions(required_perm_value)
        except (TypeError, IndexError, KeyError):
            pass

        # Now just check if the person running the command has these permissions
        return member_perms >= required_perm

    predicate.perms = perms
    return commands.check(predicate)