check_dependencies.yml

name: Check Python Dependencies

on:
  pull_request:
    
defaults:
  run:
    shell: bash # strict bash

jobs:
  check_dependencies:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout Repository
        uses: actions/checkout@v3

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.8'

      - name: Create repo_work directory        
        run: |
          WORK_DIR="/tmp/unpack_reqs"
          mkdir -p "$WORK_DIR"/repo_work

      - name: Copy Python requirements file
        run: |
          for req_file in "requirements/edx/base.txt" "requirements/base.txt" "requirements.txt"; do
            if [ -f "$req_file" ]; then
              cp "$req_file" "$WORK_DIR"/repo_work/base.txt
              echo "Python requirements file found: $req_file"
              echo "Content of base.txt:"
              cat "$req_file"
              break
            fi
          done

      - name: Create virtual environment
        run: python3 -m venv .venv
        working-directory: $WORK_DIR/repo_work

      - name: Upgrade pip
        run: |
          .venv/bin/python3 -m pip install -U pip
        working-directory: $WORK_DIR/repo_work

      - name: Download packages
        run: |
          echo "Downloading packages"
          .venv/bin/python3 -m pip download --dest files -r base.txt
          base_txt_path="${GITHUB_WORKSPACE}/files/base.txt"
          echo "Path of base.txt: ${base_txt_path}"
        working-directory: $WORK_DIR/repo_work

      - name: Extract GitHub URLs from base.txt
        id: extract
        run: |
          urls=()
          base_txt_path="./files/base.txt"
          while IFS= read -r line; do
            if [[ $line =~ (https://github.com[^@ #]*(\.git)?) ]]; then
              urls+=("${BASH_REMATCH[0]}")
            fi
          done < "${base_txt_path}"
          echo "::set-output name=urls::${urls[*]}"

      - name: Display GitHub URLs
        run: |
          echo "GitHub URLs:"
          echo "${{ steps.extract.outputs.urls }}"