147 lines
5.7 KiB
Python
147 lines
5.7 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by 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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# Pyrogram 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 General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from threading import Event
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from typing import Union
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import pyrogram
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from pyrogram.client.ext import BaseClient
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class DownloadMedia(BaseClient):
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def download_media(self,
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message: Union["pyrogram.Message", str],
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file_name: str = "",
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block: bool = True,
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progress: callable = None,
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progress_args: tuple = ()) -> Union[str, None]:
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"""Use this method to download the media from a Message.
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Args:
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message (:obj:`Message <pyrogram.Message>` | ``str``):
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Pass a Message containing the media, the media itself (message.audio, message.video, ...) or
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the file id as string.
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file_name (``str``, *optional*):
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A custom *file_name* to be used instead of the one provided by Telegram.
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By default, all files are downloaded in the *downloads* folder in your working directory.
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You can also specify a path for downloading files in a custom location: paths that end with "/"
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are considered directories. All non-existent folders will be created automatically.
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block (``bool``, *optional*):
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Blocks the code execution until the file has been downloaded.
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Defaults to True.
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progress (``callable``):
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Pass a callback function to view the download progress.
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The function must take *(client, current, total, \*args)* as positional arguments (look at the section
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below for a detailed description).
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progress_args (``tuple``):
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Extra custom arguments for the progress callback function. Useful, for example, if you want to pass
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a chat_id and a message_id in order to edit a message with the updated progress.
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Other Parameters:
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client (:obj:`Client <pyrogram.Client>`):
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The Client itself, useful when you want to call other API methods inside the callback function.
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current (``int``):
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The amount of bytes downloaded so far.
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total (``int``):
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The size of the file.
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*args (``tuple``, *optional*):
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Extra custom arguments as defined in the *progress_args* parameter.
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You can either keep *\*args* or add every single extra argument in your function signature.
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Returns:
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On success, the absolute path of the downloaded file as string is returned, None otherwise.
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Raises:
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:class:`Error <pyrogram.Error>` in case of a Telegram RPC error.
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``ValueError`` if the message doesn't contain any downloadable media
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"""
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error_message = "This message doesn't contain any downloadable media"
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if isinstance(message, pyrogram.Message):
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if message.photo:
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media = pyrogram.Document(
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file_id=message.photo.sizes[-1].file_id,
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file_size=message.photo.sizes[-1].file_size,
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mime_type="",
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date=message.photo.date,
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client=self
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)
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elif message.audio:
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media = message.audio
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elif message.document:
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media = message.document
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elif message.video:
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media = message.video
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elif message.voice:
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media = message.voice
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elif message.video_note:
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media = message.video_note
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elif message.sticker:
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media = message.sticker
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elif message.animation:
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media = message.animation
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else:
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raise ValueError(error_message)
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elif isinstance(message, (
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pyrogram.Photo,
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pyrogram.PhotoSize,
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pyrogram.Audio,
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pyrogram.Document,
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pyrogram.Video,
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pyrogram.Voice,
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pyrogram.VideoNote,
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pyrogram.Sticker,
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pyrogram.Animation
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)):
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if isinstance(message, pyrogram.Photo):
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media = pyrogram.Document(
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file_id=message.sizes[-1].file_id,
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file_size=message.sizes[-1].file_size,
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mime_type="",
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date=message.date,
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client=self
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)
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else:
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media = message
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elif isinstance(message, str):
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media = pyrogram.Document(
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file_id=message,
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file_size=0,
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mime_type="",
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client=self
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)
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else:
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raise ValueError(error_message)
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done = Event()
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path = [None]
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self.download_queue.put((media, file_name, done, progress, progress_args, path))
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if block:
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done.wait()
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return path[0]
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