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110 lines
4 KiB
Python
110 lines
4 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) 2015-2021
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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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"""This module contains an object that represents a Telegram Document."""
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from typing import TYPE_CHECKING, Any, Optional
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from telegram import PhotoSize, TelegramObject
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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, File
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class Document(TelegramObject):
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"""This object represents a general file
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(as opposed to photos, voice messages and audio files).
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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 is supposed to be
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the same over time and for different bots. Can't be used to download or reuse the file.
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thumb (:class:`telegram.PhotoSize`, optional): Document thumbnail as defined by sender.
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file_name (:obj:`str`, optional): Original filename as defined by sender.
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mime_type (:obj:`str`, optional): MIME type of the file as defined by sender.
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file_size (:obj:`int`, optional): File size.
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bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods.
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**kwargs (:obj:`dict`): Arbitrary keyword arguments.
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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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thumb (:class:`telegram.PhotoSize`): Optional. Document thumbnail.
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file_name (:obj:`str`): Original filename.
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mime_type (:obj:`str`): Optional. MIME type of the file.
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file_size (:obj:`int`): Optional. File size.
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bot (:class:`telegram.Bot`): Optional. The Bot to use for instance methods.
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"""
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_id_keys = ('file_id',)
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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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thumb: PhotoSize = None,
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file_name: str = None,
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mime_type: str = None,
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file_size: int = None,
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bot: 'Bot' = None,
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**_kwargs: Any,
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):
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# Required
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self.file_id = str(file_id)
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self.file_unique_id = str(file_unique_id)
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# Optionals
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self.thumb = thumb
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self.file_name = file_name
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self.mime_type = mime_type
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self.file_size = file_size
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self.bot = bot
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self._id_attrs = (self.file_unique_id,)
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@classmethod
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def de_json(cls, data: Optional[JSONDict], bot: 'Bot') -> Optional['Document']:
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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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def get_file(self, timeout: float = None, api_kwargs: JSONDict = None) -> 'File':
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"""Convenience wrapper over :attr:`telegram.Bot.get_file`
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For the documentation of the arguments, please see :meth:`telegram.Bot.get_file`.
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Returns:
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:class:`telegram.File`
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Raises:
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:class:`telegram.TelegramError`
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"""
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return self.bot.get_file(file_id=self.file_id, timeout=timeout, api_kwargs=api_kwargs)
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