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https://github.com/python-telegram-bot/python-telegram-bot.git
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104 lines
3.2 KiB
Python
104 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) 2015-2016
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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 File."""
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from os.path import basename
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from telegram import TelegramObject
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class File(TelegramObject):
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"""This object represents a Telegram File.
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Attributes:
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file_id (str):
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file_size (str):
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file_path (str):
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Args:
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file_id (str):
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bot (telegram.Bot):
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file_size (Optional[int]):
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file_path (Optional[str]):
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**kwargs (dict): Arbitrary keyword arguments.
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"""
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def __init__(self, file_id, bot, file_size=None, file_path=None, **kwargs):
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# Required
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self.file_id = str(file_id)
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# Optionals
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self.file_size = file_size
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if file_path:
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self.file_path = str(file_path)
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self.bot = bot
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@staticmethod
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def de_json(data, bot):
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"""
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Args:
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data (dict):
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bot (telegram.Bot):
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Returns:
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telegram.File:
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"""
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if not data:
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return None
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return File(bot=bot, **data)
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def download(self, custom_path=None, out=None, timeout=None):
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"""
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Download this file. By default, the file is saved in the current working directory with its
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original filename as reported by Telegram. If a ``custom_path`` is supplied, it will be
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saved to that path instead. If ``out`` is defined, the file contents will be saved to that
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object using the ``out.write`` method. ``custom_path`` and ``out`` are mutually exclusive.
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Args:
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custom_path (Optional[str]): Custom path.
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out (Optional[object]): A file-like object. Must be opened in binary mode, if
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applicable.
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timeout (Optional[int|float]): If this value is specified, use it as the read timeout
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from the server (instead of the one specified during creation of the connection
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pool).
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Raises:
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ValueError: If both ``custom_path`` and ``out`` are passed.
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"""
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if custom_path is not None and out is not None:
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raise ValueError('custom_path and out are mutually exclusive')
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url = self.file_path
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if out:
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buf = self.bot.request.retrieve(url)
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out.write(buf)
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else:
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if custom_path:
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filename = custom_path
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else:
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filename = basename(url)
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self.bot.request.download(url, filename, timeout=timeout)
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