Explore uv as an alternative to pip, pip-compile and poetry #16
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legoktm
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The `make update-python3-dependencies` step is slow for two main reasons: container image layering and pip-compile. Currently, each `pip-compile` step is run in a separate dev-shell, which means after each one, if anything changed in the requirements/ folder, it needs to rebuild the slim image and reinstall all the pip dependencies. Now I've moved the steps to a separate script that execute in a single dev-shell, so no image rebuilding happens during the updates, it'll just be needed once afterwards. For an additional boost, switch to the new uv tool, which reimplements pip-compile in a much faster way. The output is basically the same, except the sorting is smarter (e.g. pytest comes before pytest-cov) and package names are properly normalized. We can also drop the `--allow-unsafe` because uv is entirely independent of setuptools and pip-tools. uv is still quite new to the Python ecosystem, but this allows us to begin using it without any lock-in, it should be trivial to swap back to pip-tools if needed. Overall `make update-python3-dependencies` now takes seconds to run instead of minutes \o/ Refs <freedomofpress/securedrop-tooling#16>.
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freedomofpress/securedrop#7234 swaps out pip-tools for uv and it's basically a drop-in replacement with no noticable downside yet. As I mentioned there, it's pretty conservative and still uses pip for the actual installation, but even Reading through the docs, I note that dependabot support (dependabot/dependabot-core#10039) will probably be a barrier for further adoption. |
legoktm
added a commit
to freedomofpress/securedrop
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Sep 23, 2024
The `make update-python3-dependencies` step is slow for two main reasons: container image layering and pip-compile. Currently, each `pip-compile` step is run in a separate dev-shell, which means after each one, if anything changed in the requirements/ folder, it needs to rebuild the slim image and reinstall all the pip dependencies. Now I've moved the steps to a separate script that execute in a single dev-shell, so no image rebuilding happens during the updates, it'll just be needed once afterwards. For an additional boost, switch to the new uv tool, which reimplements pip-compile in a much faster way. The output is basically the same, except the sorting is smarter (e.g. pytest comes before pytest-cov) and package names are properly normalized. We can also drop the `--allow-unsafe` because uv is entirely independent of setuptools and pip-tools. uv is still quite new to the Python ecosystem, but this allows us to begin using it without any lock-in, it should be trivial to swap back to pip-tools if needed. Overall `make update-python3-dependencies` now takes seconds to run instead of minutes \o/ Refs <freedomofpress/securedrop-tooling#16>.
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https://docs.astral.sh/uv/
From the same creators as ruff, uv can be a much faster replacement for pip and pip-compile, but also has poetry-like dependency management features. There is concern that it is a VC-funded tool for something that is so critical to the ecosystem, but it's all based on PEPs and also should be forkable.
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