/
_basethumbedmedium.py
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/
_basethumbedmedium.py
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#!/usr/bin/env python
#
# A library that provides a Python interface to the Telegram Bot API
# Copyright (C) 2015-2024
# 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/].
"""Common base class for media objects with thumbnails"""
from typing import TYPE_CHECKING, Optional, Type, TypeVar
from telegram._files._basemedium import _BaseMedium
from telegram._files.photosize import PhotoSize
from telegram._utils.types import JSONDict
if TYPE_CHECKING:
from telegram import Bot
# pylint: disable=invalid-name
ThumbedMT_co = TypeVar("ThumbedMT_co", bound="_BaseThumbedMedium", covariant=True)
class _BaseThumbedMedium(_BaseMedium):
"""
Base class for objects representing the various media file types that may include a thumbnail.
Objects of this class are comparable in terms of equality. Two objects of this class are
considered equal, if their :attr:`file_unique_id` is equal.
Args:
file_id (:obj:`str`): Identifier for this file, which can be used to download
or reuse the file.
file_unique_id (:obj:`str`): Unique identifier for this file, which
is supposed to be the same over time and for different bots.
Can't be used to download or reuse the file.
file_size (:obj:`int`, optional): File size.
thumbnail (:class:`telegram.PhotoSize`, optional): Thumbnail as defined by sender.
.. versionadded:: 20.2
Attributes:
file_id (:obj:`str`): File identifier.
file_unique_id (:obj:`str`): Unique identifier for this file, which
is supposed to be the same over time and for different bots.
Can't be used to download or reuse the file.
file_size (:obj:`int`): Optional. File size.
thumbnail (:class:`telegram.PhotoSize`): Optional. Thumbnail as defined by sender.
.. versionadded:: 20.2
"""
__slots__ = ("thumbnail",)
def __init__(
self,
file_id: str,
file_unique_id: str,
file_size: Optional[int] = None,
thumbnail: Optional[PhotoSize] = None,
*,
api_kwargs: Optional[JSONDict] = None,
):
super().__init__(
file_id=file_id,
file_unique_id=file_unique_id,
file_size=file_size,
api_kwargs=api_kwargs,
)
self.thumbnail: Optional[PhotoSize] = thumbnail
@classmethod
def de_json(
cls: Type[ThumbedMT_co], data: Optional[JSONDict], bot: "Bot"
) -> Optional[ThumbedMT_co]:
"""See :meth:`telegram.TelegramObject.de_json`."""
data = cls._parse_data(data)
if not data:
return None
# In case this wasn't already done by the subclass
if not isinstance(data.get("thumbnail"), PhotoSize):
data["thumbnail"] = PhotoSize.de_json(data.get("thumbnail"), bot)
api_kwargs = {}
# This is a deprecated field that TG still returns for backwards compatibility
# Let's filter it out to speed up the de-json process
if data.get("thumb") is not None:
api_kwargs["thumb"] = data.pop("thumb")
return super()._de_json(data=data, bot=bot, api_kwargs=api_kwargs)