Generate Nix expressions for Python packages.
Why another .nix generator for Python?
The original author of pip2nix started the project with the following motivation:
I needed something that can work not only with pypi but also with local paths, VCS links, and dependency links. I couldn’t get any of the other generators to work, so I started my own :-)
Be aware that pip2nix is not yet mature software. It is a tool to aid Python developers who use Nix to automate a good chunk of the work to maintain a Nix based development environments.
The recommended usage at the moment is inside of a nix-shell, since this avoids putting a specific version into the user’s environment:
$ git clone https://github.com/johbo/pip2nix $ cd pip2nix $ nix-shell release.nix -A pip2nix.python36
Alternatively pip2nix can be installed into the user’s environment:
$ git clone https://github.com/johbo/pip2nix $ nix-env -f pip2nix/release.nix -iA pip2nix.python35
To generate python-packages.nix for a set of requirements:
$ pip2nix generate -r requirements.txt
pip2nix generate takes the same set of package specifications pip install does.
Problems and questions should go to GitHub issues.
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