lets go #61
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| name: Build and Deploy Plot | |
| # Only push when a new file is available or the plotter script has been updated | |
| on: | |
| push: | |
| paths: | |
| - "data/*.csv" | |
| - "data/*.parquet" | |
| - "main.py" | |
| permissions: | |
| contents: write | |
| pages: write | |
| id-token: write | |
| jobs: | |
| build: | |
| runs-on: ubuntu-latest | |
| steps: | |
| - name: Checkout repo | |
| uses: actions/checkout@v4 | |
| with: | |
| fetch-depth: 0 | |
| token: ${{ secrets.GITHUB_TOKEN }} | |
| - name: Set up Python | |
| uses: actions/setup-python@v4 | |
| with: | |
| python-version: "3.11" | |
| - name: Install dependencies | |
| run: | | |
| python -m pip install --upgrade pip | |
| python -m pip install numpy pandas pyarrow plotly | |
| - name: Ensure output directory exists | |
| run: mkdir -p output | |
| - name: Detect changed data files | |
| id: changed | |
| run: | | |
| # Handle first-commit edge case | |
| if [ "$(git rev-list --count HEAD)" -eq 1 ]; then | |
| echo "No parent commit, skipping diff." | |
| echo "changed=" >> $GITHUB_OUTPUT | |
| exit 0 | |
| fi | |
| # Get changed CSV or Parquet files (each on its own line) | |
| changed=$(git diff --name-only HEAD~1 HEAD | grep -E '\.(csv|parquet)$' || true) | |
| echo "Changed files:" | |
| while IFS= read -r file; do | |
| echo " - $file" | |
| done <<< "$changed" | |
| # Convert newlines → spaces *only* for the GitHub output variable | |
| changed_space=$(echo "$changed" | tr '\n' ' ') | |
| echo "changed=$changed_space" >> $GITHUB_OUTPUT | |
| - name: Run plot generator on changed files | |
| if: ${{ steps.changed.outputs.changed != '' }} | |
| run: | | |
| echo "Detected changed files:" | |
| echo ${{ steps.changed.outputs.changed }} | |
| for file in ${{ steps.changed.outputs.changed }}; do | |
| echo "Plotting $file" | |
| python main.py "$file" | |
| done | |
| - name: Compress HTML in output/ | |
| run: | | |
| if ls output/*.html 1> /dev/null 2>&1; then | |
| gzip -kf output/*.html | |
| fi | |
| - name: Commit generated output files | |
| if: ${{ steps.changed.outputs.changed != '' }} | |
| run: | | |
| git config user.name "github-actions[bot]" | |
| git config user.email "github-actions[bot]@users.noreply.github.com" | |
| # Add and commit any changes in output/ | |
| git add output || echo "No HTML files to add" | |
| git diff --cached --quiet && echo "No changes to commit" || git commit -m "Add generated plots [skip ci]" | |
| # Push changes back to main branch | |
| git push origin HEAD:main | |
| - name: Generate index.html for GitHub Pages | |
| run: | | |
| echo "<html><head><title>Simple Data Plotter - Index</title></head><body>" > index.html | |
| echo "<h1>da plots</h1>" >> index.html | |
| echo "<p>plots:</p><ul>" >> index.html | |
| # Loop through only *.html (exclude index itself) | |
| shopt -s nullglob | |
| for file in output/*.html; do | |
| file_name=$(basename "$file") | |
| if [ "$file_name" != "index.html" ]; then | |
| echo "<li><a href='output/$file_name'>$file_name</a></li>" >> index.html | |
| fi | |
| done | |
| echo "</ul>" >> index.html | |
| # ---- PDF viewer embed ---- | |
| if [ -f PSPL_CMS_MASTER_11012025.pdf ]; then | |
| echo "<h2>CMS Master P&ID</h2>" >> index.html | |
| echo "<iframe src='PSPL_CMS_MASTER_11012025.pdf' width='100%' height='800px'></iframe>" >> index.html | |
| else | |
| echo "<p>No PDF found.</p>" >> index.html | |
| fi | |
| # -------------------------- | |
| echo "</body></html>" >> index.html | |
| - name: Upload artifact for GitHub Pages | |
| uses: actions/upload-pages-artifact@v3 | |
| with: | |
| path: . | |
| deploy: | |
| needs: build | |
| runs-on: ubuntu-latest | |
| permissions: | |
| pages: write | |
| id-token: write | |
| environment: | |
| name: github-pages | |
| url: ${{ steps.deploy-pages.outputs.page_url }} | |
| steps: | |
| - name: Deploy GitHub Pages | |
| id: deploy-pages | |
| uses: actions/deploy-pages@v4 |