python-telegram-bot/telegram/files/chatphoto.py
zeshuaro 32dd415fb8 Add instance methods to Animation and ChatPhoto (#1489)
get_file, get_small_file, get_big_file
2019-09-13 22:07:56 +03:00

90 lines
3.4 KiB
Python

#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2018
# 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/].
"""This module contains an object that represents a Telegram ChatPhoto."""
from telegram import TelegramObject
class ChatPhoto(TelegramObject):
"""This object represents a chat photo.
Attributes:
small_file_id (:obj:`str`): File identifier of small (160x160) chat photo.
big_file_id (:obj:`str`): File identifier of big (640x640) chat photo.
Args:
small_file_id (:obj:`str`): File identifier of small (160x160) chat photo. This file_id can
be used only for photo download and only for as long as the photo is not changed.
big_file_id (:obj:`str`): File identifier of big (640x640) chat photo. This file_id can be
used only for photo download and only for as long as the photo is not changed.
bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods
**kwargs (:obj:`dict`): Arbitrary keyword arguments.
"""
def __init__(self, small_file_id, big_file_id, bot=None, **kwargs):
self.small_file_id = small_file_id
self.big_file_id = big_file_id
self.bot = bot
self._id_attrs = (self.small_file_id, self.big_file_id)
@classmethod
def de_json(cls, data, bot):
if not data:
return None
return cls(bot=bot, **data)
def get_small_file(self, timeout=None, **kwargs):
"""Convenience wrapper over :attr:`telegram.Bot.get_file` for getting the
small (160x160) chat photo
Args:
timeout (:obj:`int` | :obj:`float`, optional): If this value is specified, use it as
the read timeout from the server (instead of the one specified during creation of
the connection pool).
**kwargs (:obj:`dict`): Arbitrary keyword arguments.
Returns:
:class:`telegram.File`
Raises:
:class:`telegram.TelegramError`
"""
return self.bot.get_file(self.small_file_id, timeout=timeout, **kwargs)
def get_big_file(self, timeout=None, **kwargs):
"""Convenience wrapper over :attr:`telegram.Bot.get_file` for getting the
big (640x640) chat photo
Args:
timeout (:obj:`int` | :obj:`float`, optional): If this value is specified, use it as
the read timeout from the server (instead of the one specified during creation of
the connection pool).
**kwargs (:obj:`dict`): Arbitrary keyword arguments.
Returns:
:class:`telegram.File`
Raises:
:class:`telegram.TelegramError`
"""
return self.bot.get_file(self.big_file_id, timeout=timeout, **kwargs)