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https://github.com/python-telegram-bot/python-telegram-bot.git
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85 lines
3.2 KiB
Python
85 lines
3.2 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2022
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""Common base class for media objects with thumbnails"""
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from typing import TYPE_CHECKING, TypeVar, Type, Optional
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from telegram import PhotoSize
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from telegram._files._basemedium import _BaseMedium
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from telegram._utils.types import JSONDict
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if TYPE_CHECKING:
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from telegram import Bot
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ThumbedMT = TypeVar('ThumbedMT', bound='_BaseThumbedMedium', covariant=True)
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class _BaseThumbedMedium(_BaseMedium):
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"""Base class for objects representing the various media file types that may include a
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thumbnail.
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Objects of this class are comparable in terms of equality. Two objects of this class are
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considered equal, if their :attr:`file_unique_id` is equal.
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Args:
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file_id (:obj:`str`): Identifier for this file, which can be used to download
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or reuse the file.
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file_unique_id (:obj:`str`): Unique identifier for this file, which
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is supposed to be the same over time and for different bots.
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Can't be used to download or reuse the file.
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file_size (:obj:`int`, optional): File size.
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thumb (:class:`telegram.PhotoSize`, optional): Thumbnail as defined by sender.
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bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods.
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Attributes:
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file_id (:obj:`str`): File identifier.
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file_unique_id (:obj:`str`): Unique identifier for this file, which
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is supposed to be the same over time and for different bots.
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Can't be used to download or reuse the file.
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file_size (:obj:`int`): Optional. File size.
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thumb (:class:`telegram.PhotoSize`): Optional. Thumbnail as defined by sender.
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bot (:class:`telegram.Bot`): Optional. The Bot to use for instance methods.
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"""
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__slots__ = ('thumb',)
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def __init__(
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self,
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file_id: str,
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file_unique_id: str,
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file_size: int = None,
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thumb: PhotoSize = None,
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bot: 'Bot' = None,
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):
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super().__init__(
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file_id=file_id, file_unique_id=file_unique_id, file_size=file_size, bot=bot
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)
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self.thumb = thumb
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@classmethod
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def de_json(cls: Type[ThumbedMT], data: Optional[JSONDict], bot: 'Bot') -> Optional[ThumbedMT]:
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"""See :meth:`telegram.TelegramObject.de_json`."""
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data = cls._parse_data(data)
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if not data:
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return None
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data['thumb'] = PhotoSize.de_json(data.get('thumb'), bot)
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return cls(bot=bot, **data)
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