python-telegram-bot/telegram/ext/callbackqueryhandler.py

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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2016
# Leandro Toledo de Souza <devs@python-telegram-bot.org>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Lesser Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 Public License for more details.
#
# You should have received a copy of the GNU Lesser Public License
# along with this program. If not, see [http://www.gnu.org/licenses/].
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""" This module contains the CallbackQueryHandler class """
from .handler import Handler
from telegram import Update
from telegram.utils.deprecate import deprecate
class CallbackQueryHandler(Handler):
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"""
Handler class to handle Telegram callback queries.
Args:
callback (function): A function that takes ``bot, update`` as
positional arguments. It will be called when the ``check_update``
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has determined that an update should be processed by this handler.
pass_update_queue (optional[bool]): If the handler should be passed the
update queue as a keyword argument called ``update_queue``. It can
be used to insert updates. Default is ``False``
"""
def __init__(self, callback, pass_update_queue=False):
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super(CallbackQueryHandler, self).__init__(callback, pass_update_queue)
def check_update(self, update):
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return isinstance(update, Update) and update.callback_query
def handle_update(self, update, dispatcher):
optional_args = self.collect_optional_args(dispatcher)
self.callback(dispatcher.bot, update, **optional_args)
# old non-PEP8 Handler methods
m = "telegram.CallbackQueryHandler."
checkUpdate = deprecate(check_update, m + "checkUpdate", m + "check_update")
handleUpdate = deprecate(handle_update, m + "handleUpdate", m + "handle_update")