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A BitTorrent client written entirely in Python so that you can get to the depths of the protocol

Project Description

This is a BitTorrent client written entirely in Python so that it can be easily used for experiments. It is a fully working BitTorrent client so you can use it below as an example. There is no intelligence in this such as getting rarest peice first. Everything is random.

It doesn’t use thread or multiprocessing as it’s designed to be used for experiments, and I don’t know how someone may want to use it, while also making it impractical for general use, but I’d like to eventually support the most common schemes such as DHT, Magnet URLs, PHE tDP, and UPnP so it is possible to accept incoming connections.



pip install pythorrent

From Source

pip install -r requirements.txt
python install


Depending on how you installed PYTHorrent you may need to go to the root of the source of the PYTHorrent directory.

cd python-pythorrent

Getting commands

python -m pythorrent -h

Downloading a Torrent using a torrent file

python -m pythorrent --file ubuntu-16.04-desktop-amd64.iso.torrent --path . --log=info



This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.

This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program.  If not, see <>.

To Do

Tidy up documentation

Memory efficiency

  • Only load piece data in to memory when it is needed.


Options? - - I like this one best - Seems to lock out when finding peers -


** Always download legal torrents **

Release History

This version
History Node


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Source Apr 6, 2017

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