Customize module search path (PYTHONPATH) via pipenv

I’m not sure there’s a perfect solution for this, but in the interest of being explicit rather than implicit (PEP 20), I’ve decided to check in a file that needs to be sourced before running any script. This is one extra manual step but you can put this in a Makefile for instance.

env.sh

export PYTHONPATH=${PYTHONPATH}:${PWD}

Makefile

bar:
    source env.sh && pipenv run python scripts/bar.py
.PHONY: migrate

The solution is a bit similar to the approach Go takes with its GOPATH.

I think the other solutions are not as good:

  • pipenv aims to solve dependencies, I could be wrong but I did not find anything related to the problem of the PYTHONPATH.
  • Linking folders won’t scale really well if you start having other scripts folder.

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