Some Notes on Poetry

Posted on Edited on

Install poetry on Ubuntu 20.04

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curl -sSL https://raw.githubusercontent.com/python-poetry/poetry/master/get-poetry.py | python -

REF: https://python-poetry.org/docs/#installation

Error when starting poetry shell

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ModuleNotFoundError: No module named 'virtualenv.seed.via_app_data'

This is due to the virtualenv installed in the system, it can be solved by removing it:

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sudo apt remove python3-virtualenv

Add packages from existing requirements.txt

Sometimes you already have a project and reqirements.txt setup, but you wantted to start using poetry to manage your dependencies. Here are the steps to add the existing dependencies from requirements.txt to pyproject.toml that generate by poetry.

  • Start by generate a pyproject.toml file for poetry: 
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    poetry init
  • In the directory where both requirement.txt and pyproject.toml are stored, run this command: 
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    cat requirements.txt | perl -pe 's/([<=>]+)/:$1/' | xargs -t -n 1 -I {} poetry add '{}'