deploy_pypi.yml

name: Deploy to PyPI
# Deploy to PyPI if the __version__ variable in himalaya/__init__.py
# is larger than the latest version on PyPI.

on:
  push:
    branches:    
      - main
    paths:
      # trigger workflow only on commits that change __init__.py
      - 'himalaya/__init__.py'

jobs:
  deploy-pypi:
    runs-on: ubuntu-latest
    steps:
    - uses: actions/checkout@v4
    - uses: actions/setup-python@v5

    - name: Get versions
      # Compare the latest version on PyPI, and the current version
      run: |
        python -m pip install --upgrade -q pip
        pip index versions himalaya
        LATEST=$(pip index versions himalaya | grep 'himalaya' |awk '{print $2}' | tr -d '(' | tr -d ')')
        CURRENT=$(cat himalaya/__init__.py | grep "__version__" | awk '{print $3}' | tr -d "'" | tr -d '"')
        EQUAL=$([ "$CURRENT" = "$LATEST" ] && echo 1 || echo 0)
        echo "LATEST=$LATEST" >> $GITHUB_ENV
        echo "CURRENT=$CURRENT" >> $GITHUB_ENV
        echo "EQUAL=$EQUAL" >> $GITHUB_ENV
    
    - name: Print versions
      run: |
        echo ${{ env.LATEST }}
        echo ${{ env.CURRENT }}
        echo ${{ env.EQUAL }}

    - name: Build and publish
      if: ${{ env.EQUAL == 0 }}
      env:
        TWINE_USERNAME: __token__
        TWINE_PASSWORD: ${{ secrets.PYPI_PASSWORD }}
      run: |
        python -m pip install --upgrade pip
        python -m pip install setuptools wheel twine
        python setup.py sdist bdist_wheel
        python -m twine upload dist/*