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Comment by verdverm | Hacker News Reader

VS Code does this for me.

What use case is this after? Linting in CI or similar?

I am not aware of functionality within VS Code that does the same thing as `deptry` does. What most IDE's support is removing unused imports, which sounds similar but is different from what deptry aims to do: deptry tries to remove unused dependencies. So if you have e.g. `pandas` in your `requirements.txt`, but you never import (from) `pandas` in your project, `deptry` will tell you that you should remove it from your `requirements.txt`. Does that answer your question?

This is particularly helpful if at one point somebody replaced a nice succinct requirements.txt with the output of ‘pip freeze’

This is a bit more useful than things like vscode or flake8 (my preferred option) telling you that you "import xxx" but don't use it.

I'd love a deeper way to identify and selectively reduce the cruft from projects though. For example currently I have about 180 dependencies in my project's .venv - most of them transitive.

These include things like the google-auth library when there is no code in my project that would ever need to talk to Google.

Mostly this is just wasteful and not a big issue, but then come the conflicting dependencies you need to resolve by pinning version numbers. This is doubly annoying if you have no idea what the dependency is needed for or even if it's needed at all.

This is not just a python issue, it's apparent in all languages I've worked in.

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