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https://github.com/jwodder/demagnetize

Convert magnet links to .torrent files
https://github.com/jwodder/demagnetize

available-on-pypi bittorrent magnet-link python torrent

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Convert magnet links to .torrent files

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`GitHub `_
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``demagnetize`` is a Python program for converting one or more BitTorrent
`magnet links`_ into ``.torrent`` files by downloading the torrent info from
active peers.

.. _magnet links: https://en.wikipedia.org/wiki/Magnet_URI_scheme

At the moment, ``demagnetize`` only supports basic features of the BitTorrent
protocol. The following notable features are supported:

- BitTorrent protocol v1
- HTTP (including compact and IPv6 extensions) and UDP trackers
- magnet URIs with info hashes encoded in either hexadecimal or base32
- Fast extension (`BEP 6`_)
- UDP tracker protocol extensions (`BEP 41`_)

.. _BEP 6: https://www.bittorrent.org/beps/bep_0006.html
.. _BEP 41: https://www.bittorrent.org/beps/bep_0041.html

The following features are not currently supported but are planned, in no
particular order:

- Encryption
- Distributed hash tables
- BitTorrent protocol v2
- ``x.pe`` parameters in magnet links
- uTP

``demagnetize`` has also been translated by the author into Rust; you can find
the Rust version at .

Installation
============
``demagnetize`` requires Python 3.10 or higher. Just use `pip
`_ for Python 3 (You have pip, right?) to install it::

python3 -m pip install demagnetize

Usage
=====

::

demagnetize [] ...

The ``demagnetize`` command has two subcommands, ``get`` (for converting a
single magnet link) and ``batch`` (for converting a file of magnet links), both
detailed below.

Global Options
--------------

-l LEVEL, --log-level LEVEL
Set the log level to the given value. Possible values
are "``CRITICAL``", "``ERROR``", "``WARNING``",
"``INFO``", "``DEBUG``", and "``TRACE``" (all
case-insensitive). [default value: ``INFO``]

``demagnetize get``
-------------------

::

demagnetize [] get []

Convert a single magnet link specified on the command line to a ``.torrent``
file. (Note that you will likely have to quote the link in order to prevent it
from being interpreted by the shell.) By default, the file is saved at
``{name}.torrent``, where ``{name}`` is replaced by the value of the ``name``
field from the torrent info, but a different path can be set via the
``--outfile`` option.

Options
^^^^^^^

-o PATH, --outfile PATH
Save the ``.torrent`` file to the given path. The path
may contain a ``{name}`` placeholder, which will be
replaced by the (sanitized) name of the torrent, and/or
a ``{hash}`` placeholder, which will be replaced by the
torrent's info hash in hexadecimal. Specifying ``-``
will cause the torrent to be written to standard
output. [default: ``{name}.torrent``]

``demagnetize batch``
---------------------

::

demagnetize [] batch []

Read magnet links from ````, one per line (ignoring empty lines and lines
that start with ``#``), and convert each one to a ``.torrent`` file. By
default, each file is saved at ``{name}.torrent``, where ``{name}`` is replaced
by the value of the ``name`` field from the torrent info, but a different path
can be set via the ``--outfile`` option.

Options
^^^^^^^

-o PATH, --outfile PATH
Save the ``.torrent`` files to the given path. The
path may contain a ``{name}`` placeholder, which will
be replaced by the (sanitized) name of each torrent,
and/or a ``{hash}`` placeholder, which will be replaced
by each torrent's info hash in hexadecimal. [default:
``{name}.torrent``]