pixi run pip freeze #518
Replies: 3 comments 4 replies
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Oehf yeah that is going to be a tough 🍪 to crack. We now install packages from both ecosystems so it could be really hard to translate that to either one of the two. There is a trick we use to link pypi package to conda packages for the installation overlap, but I don't want to promise any work on the pip freeze equivalent any time soon. |
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How about python packages seem to be well-captured with produces |
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@ruben-arts do you think this ^ could be valid and viable? |
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Thanks for the ping, completely missed the notification apparently. That looks pretty promising, but this will not be perfect and a pip freeze you can't trust is in my opinion worth less then not having one. Note we're still working on the pypi integration so going the other way around will probably only be a focus after we get that working 😅 |
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Makes sense. Sounds like there might be scenarios that my hack might get wrong. What are they? |
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There is a set of dependencies where the pypi name doesn't map the conda name. For instance You can find a non perfect but somewhat complete set in: https://github.com/regro/cf-graph-countyfair/tree/master/mappings/pypi. This is also what we use to see which dependencies we still need to fetch from PyPI when installing |
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Related: #800 |
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Exporting requirements
The essence of my request is to make it easy to generate a simple
requirements.txtfile that will be compatible with pre-pixi world.In practice,
pip freezeis a useful command for getting the exact versions of everything in a package. With poetry, I'd sometimes runpoetry run pip freezeandpoetry run pip show <package>to look at dependencies.With pixi:
pixi run pip showworks as expectedpixi run pip freezeworks differently and produces output that would break workflows based onpip freeze > requirements.txtpip freezethat would get all necessary information frompixi.lockwithout the need forpipExample
pixi.tomlpixi run pip freezeInterested to hear your thoughts!
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