action.yml

name: "Resolve dependencies with Poetry"
description: "Setup Python, install and cache Poetry and resolves dependencies using it."

inputs:
  python-version:
    description: "Version of Python to setup"
    required: true
  poetry-version:
    description: "Version of Poetry to install"
    default: "1.8.2"

runs:
  using: "composite"
  steps:
    - name: Setup Pipx Local Variables
      id: pipx-env-setup
      run: |
        SEP="${{ !startsWith(runner.os, 'windows') && '/' || '\\' }}"
        PIPX_CACHE="${{ github.workspace }}${SEP}pipx_cache"
        echo "pipx-cache-path=${PIPX_CACHE}" >> $GITHUB_OUTPUT
        echo "pipx-version=$(pipx --version)" >> $GITHUB_OUTPUT
        echo "PIPX_HOME=${PIPX_CACHE}${SEP}home" >> $GITHUB_ENV
        echo "PIPX_BIN_DIR=${PIPX_CACHE}${SEP}bin" >> $GITHUB_ENV
        echo "PIPX_MAN_DIR=${PIPX_CACHE}${SEP}man" >> $GITHUB_ENV
        echo "${PIPX_CACHE}${SEP}bin" >> $GITHUB_PATH
      shell: bash

    - name: Load cached Poetry installation
      id: cached-poetry
      uses: actions/cache@v4
      with:
        path: |
          ${{ steps.pipx-env-setup.outputs.pipx-cache-path }}
        key: poetry-v${{ inputs.poetry-version }}-${{ runner.os }}-Python${{ inputs.python-version }}

    - name: Install Poetry ${{ inputs.poetry-version }}
      if: steps.cached-poetry.outputs.cache-hit != 'true'
      run: pipx install poetry==${{ inputs.poetry-version }}
      shell: bash

    - name: Configure Poetry
      run: poetry config virtualenvs.in-project true
      shell: bash

    - name: Setup Python ${{ inputs.python-version }}
      uses: actions/setup-python@v5
      with:
        python-version: ${{ inputs.python-version }}
        cache: "poetry"

    - name: Install Poetry dependencies
      # Should be cached by the action above
      run: poetry install
      shell: bash