# python-telegram-bot - a Python interface to the Telegram Bot API # Copyright (C) 2015-2017 # by the python-telegram-bot contributors # # 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/]. """Constants in the Telegram network. The following constants were extracted from the `Telegram Bots FAQ `_. Attributes: MAX_MESSAGE_LENGTH (:obj:`int`): 4096 MAX_CAPTION_LENGTH (:obj:`int`): 200 SUPPORTED_WEBHOOK_PORTS (List[:obj:`int`]): [443, 80, 88, 8443] MAX_FILESIZE_DOWNLOAD (:obj:`int`): In bytes (20MB) MAX_FILESIZE_UPLOAD (:obj:`int`): In bytes (50MB) MAX_MESSAGES_PER_SECOND_PER_CHAT (:obj:`int`): `1`. Telegram may allow short bursts that go over this limit, but eventually you'll begin receiving 429 errors. MAX_MESSAGES_PER_SECOND (:obj:`int`): 30 MAX_MESSAGES_PER_MINUTE_PER_GROUP (:obj:`int`): 20 MAX_INLINE_QUERY_RESULTS (:obj:`int`): 50 The following constant have been found by experimentation: Attributes: MAX_MESSAGE_ENTITIES (:obj:`int`): 100 (Beyond this cap telegram will simply ignore further formatting styles) """ MAX_MESSAGE_LENGTH = 4096 MAX_CAPTION_LENGTH = 200 # constants above this line are tested SUPPORTED_WEBHOOK_PORTS = [443, 80, 88, 8443] MAX_FILESIZE_DOWNLOAD = int(20E6) # (20MB) MAX_FILESIZE_UPLOAD = int(50E6) # (50MB) MAX_MESSAGES_PER_SECOND_PER_CHAT = 1 MAX_MESSAGES_PER_SECOND = 30 MAX_MESSAGES_PER_MINUTE_PER_GROUP = 20 MAX_MESSAGE_ENTITIES = 100 MAX_INLINE_QUERY_RESULTS = 50