action.yml

name: Python Environment Setup
description: Installs Python, Poetry, dependencies and pre-commit.

branding:
  icon: 'code'
  color: 'orange'

inputs:
  python-version:
    description: "Python version to use"
    required: true
  use-cache:
    description: "Whether to cache the Poetry installation, dependencies and pre-commit"
    required: false
    default: true
  skip-pre-commit:
    description: "Whether to skip installing pre-commit"
    required: false
    default: false

runs:
  using: "composite"

  steps:
    - name: Set up Python
      id: setup-python
      uses: actions/setup-python@v4
      with:
        python-version: ${{ inputs.python-version }}

    - name: Try loading cached Poetry installation
      id: cache-poetry
      if: ${{ inputs.use-cache == 'true' && runner.os != 'Windows' }}
      uses: actions/cache@v3
      with:
        path: ~/.local
        key: poetry-${{ runner.os }}

    - name: Install Poetry
      id: install-poetry
      if: ${{ steps.cache-poetry.outcome == 'skipped' || steps.cache-poetry.outputs.cache-hit != 'true' }}
      uses: snok/install-poetry@v1
      with:
        virtualenvs-in-project: true

    - name: Add Poetry to PATH
      run: echo "$HOME/.local/bin" >> $GITHUB_PATH && export PATH="$HOME/.local/bin:$PATH"
      shell: bash

    - name: Load cached venv
      id: cache-deps
      if: ${{ inputs.use-cache == 'true' && runner.os != 'Windows' }}
      uses: actions/cache@v3
      with:
        path: .venv
        key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}

    - name: Install dependencies
      if: ${{ steps.cache-deps.outcome == 'skipped' || steps.cache-deps.outputs.cache-hit != 'true'}}
      run: poetry install --no-interaction
      shell: bash

    - name: Try loading Pre-commit cache
      id: cache-pre-commit
      if: ${{ inputs.use-cache == 'true' && inputs.skip-pre-commit == 'false' }}
      uses: actions/cache@v3
      with:
        path: ~/.cache/pre-commit
        key: pre-commit-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('.pre-commit-config.yaml') }}

    - name: Install pre-commit
      if: ${{ inputs.skip-pre-commit == 'false' }}
      run: poetry run pre-commit install --install-hooks
      shell: bash