# Pyrogram - Telegram MTProto API Client Library for Python # Copyright (C) 2017-2018 Dan Tès # # This file is part of Pyrogram. # # Pyrogram is free software: you can redistribute it and/or modify # it under the terms of the GNU Lesser General Public License as published # by the Free Software Foundation, either version 3 of the License, or # (at your option) any later version. # # Pyrogram is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public License # along with Pyrogram. If not, see . from .handler import Handler class CallbackQueryHandler(Handler): """The CallbackQuery handler class. Used to handle callback queries coming from inline buttons. It is intended to be used with :meth:`add_handler() ` Args: callback (``callable``): Pass a function that will be called when a new CallbackQuery arrives. It takes *(client, callback_query)* as positional arguments (look at the section below for a detailed description). filters (:obj:`Filters `): Pass one or more filters to allow only a subset of callback queries to be passed in your callback function. Other parameters: client (:obj:`Client `): The Client itself, useful when you want to call other API methods inside the message handler. callback_query (:obj:`CallbackQuery `): The received callback query. """ def __init__(self, callback: callable, filters=None): super().__init__(callback, filters) def check(self, callback_query): return ( self.filters(callback_query) if self.filters else True )