Telegram Media Downloader

Overview:

Download all media files from a conversation or a channel that you are a part of from telegram. A meta of last read/downloaded message is stored in the config file so that in such a way it won't download the same media file again.

Support:

Category	Support
Language	Python 3.6 and above
Download media types	audio, document, photo, video, voice

ToDo:

• Add support for multiple channels/chats.

Installation

For *nix os distributions with make availability

$ git clone https://github.com/Dineshkarthik/telegram_media_downloader.git
$ cd telegram_media_downloader
$ make install

For Windows which doesn't have make inbuilt

$ git clone https://github.com/Dineshkarthik/telegram_media_downloader.git
$ cd telegram_media_downloader
$ pip3 install -r requirements.txt

Configuration

Getting your API Keys: The very first step requires you to obtain a valid Telegram API key (API id/hash pair):

1. Visit https://my.telegram.org/apps and log in with your Telegram Account.
2. Fill out the form to register a new Telegram application.
3. Done! The API key consists of two parts: api_id and api_hash.

Getting chat id:

1. Open https://web.telegram.org
2. Now go to the chat/channel and you will see the URL as something like
   • https://web.telegram.org/#/im?p=u853521067_2449618633394 here 853521067 is the chat id.
   • https://web.telegram.org/#/im?p=@somename here somename is the chat id.
   • https://web.telegram.org/#/im?p=s1301254321_6925449697188775560 here take 1301254321 and add -100 to the start of the id => -1001301254321.

api_hash: your_api_hash
api_id: your_api_id
chat_id: telegram_chat_id
last_read_message_id: 0
media_types:
- audio
- document
- photo
- video
- voice
file_formats:
  audio:
  - all
  document:
  - pdf
  - epub
  video:
  - mp4

• api_hash - The api_hash you got from telegram apps
• api_id - The api_id you got from telegram apps
• chat_id - The id of the chat/channel you want to download media. Which you get from the above-mentioned steps.
• last_read_message_id - If it is the first time you are going to read the channel let it be 0 or if you have already used this script to download media it will have some numbers which are auto-updated after the scripts successful execution. Don't change it.
• media_types - Type of media to download, you can update which type of media you want to download it can be one or any of the available types.
• file_formats - File types to download for supported media types which are audio, document and video. Default format is all, downloads all files.

Execution

$ python3 media_downloader.py

All the downloaded media will be stored inside respective direcotry named in the same path as the python script.

Media type	Download directory
audio	path/to/project/audio
document	path/to/project/document
photo	path/to/project/photo
video	path/to/project/video
voice	path/to/project/voice