Enable PDF build

Author: rffontenelle

.github/workflows/check.yml

@@ -41,11 +41,16 @@ env:
 
 jobs:
 
-  # Build documentation handling warnings as errors.
-  # If success, upload built docs. If failure, notify telegram and upload logs.
+  # Build documentation handling warnings as errors in both HTML and PDF.
+  # If success, upload built docs as artifact.
+  # If failure in HTML, notify telegram and upload logs.
   build:
     name: Build translated docs
     runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+      matrix:
+        format: [ html, latex ]
     steps:
       - uses: actions/checkout@v5
         with:
@@ -70,17 +75,17 @@ jobs:
 
       - name: Build docs
         id: build
-        run: ./scripts/build.sh
+        run: ./scripts/build.sh ${{ matrix.format }}
 
       - name: Upload artifact - docs
         if: steps.build.outcome == 'success'
         uses: actions/upload-artifact@v4.3.5
         with:
-          name: docs
-          path: cpython/Doc/build/html
+          name: build-${{ inputs.version }}-${{ matrix.format }}
+          path: cpython/Doc/build/${{ matrix.format }}
 
       - name: Prepare notification (only on error)
-        if: always() && steps.build.outcome == 'failure'
+        if: always() && steps.build.outcome == 'failure' && matrix.format == 'html'
         id: prepare
         run: |
           scripts/prepmsg.sh logs/sphinxwarnings.txt logs/notify.txt
@@ -106,6 +111,21 @@ jobs:
           name: ${{ inputs.version }}-build-logs
           path: logs/*
 
+  # Build Python docs in PDF format and make available for download.
+  output-pdf:
+    runs-on: ubuntu-latest
+    needs: [ 'build' ]
+    steps:
+      - uses: actions/download-artifact@v5
+        with:
+          name: build-${{ inputs.version }}-latex
+      - run: sudo apt-get update
+      - run: sudo apt-get install -y latexmk texlive-xetex fonts-freefont-otf xindy
+      - run: make
+      - uses: actions/upload-artifact@v4
+        with:
+          name: build-${{ inputs.version }}-pdf
+          path: .
 
   # Run sphinx-lint to find wrong reST syntax in PO files. Always store logs.
   # If issues are found, notify telegram and upload logs.

scripts/build.sh

@@ -1,10 +1,20 @@
 #!/bin/sh
-# Build translated docs to pop up errors
+# Build translated docs
+# Expects input 'html' or 'latex', defaults to 'html'.
 #
 # SPDX-License-Identifier: CC0-1.0
 
 set -xeu
 
+format="$1"
+
+if [ -z "$format" ]; then
+  format=html
+elif [ ! "$format" = html ] && [ ! "$format" = latex ]; then
+  echo "Invalid format. Expected html or latex"
+  exit 1
+fi
+
 # Fail earlier if required variables are not set
 test -n ${PYDOC_LANGUAGE+x}
 
@@ -20,7 +30,7 @@ if [ $minor_version -lt 12 ]; then
   opts="$opts -D gettext_compact=False"
 fi
 
-make -C cpython/Doc html SPHINXOPTS="${opts}"
+make -C cpython/Doc "${format}" SPHINXOPTS="${opts}"
 
 # Remove empty file
 if [ ! -s logs/sphinxwarnings.txt ]; then