FEATURE: Automate the update/merge of the .po files

Author: amilcarlucas

.github/workflows/i18n-extract.yml

@@ -23,7 +23,12 @@ jobs:
         with:
           python-version: '3.x'
 
-      - name: Install requirements
+      - name: Install apt gettext package
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gettext
+
+      - name: Install python-gettext requirement
         run: |
           python -m pip install --upgrade pip python-gettext
 
@@ -43,9 +48,20 @@ jobs:
             if [ $CHANGED_LINES -gt 4 ]; then
               git commit -m "CHORE: Extracted i18n strings to $PYGETTEXT_LOCALEDIR/$PYGETTEXT_DOMAIN.pot"
               git push
+              python merge_pot_file.py
             else
               echo "Not enough changes to commit (only $CHANGED_LINES lines changed)"
             fi
           else
             echo "No changes to commit"
           fi
+
+      - name: Create Pull Request
+        uses: peter-evans/create-pull-request@v5
+        with:
+          token: ${{ secrets.GITHUB_TOKEN }}
+          branch: merge-i18n-po-strings
+          title: "chore(deps): merge translation string(s) to existing .po files"
+          commit-message: "chore(deps): merge translation string(s) to existing .po files"
+          body: |
+            Update .po files with string(s) from the .pot file

merge_pot_file.py

@@ -0,0 +1,50 @@
+#!/usr/bin/env python3
+
+"""
+Merge .pot file strings into existing .po files.
+
+This file is part of Ardupilot methodic configurator. https://github.com/ArduPilot/MethodicConfigurator
+
+SPDX-FileCopyrightText: 2024-2025 Amilcar do Carmo Lucas <[email protected]>
+
+SPDX-License-Identifier: GPL-3.0-or-later
+"""
+
+import logging
+import os
+import subprocess
+from platform import system as platform_system
+
+
+def process_locale_directory(locale_dir: str, pot_file: str) -> None:
+    """Process a single locale directory."""
+    po_file = os.path.join(locale_dir, "ardupilot_methodic_configurator.po")
+
+    try:
+        # Run msgfmt command
+        exe = "C:\\Program Files\\gettext-iconv\\bin\\msgmerge.exe" if platform_system() == "Windows" else "msgmerge"
+        cmd = [exe, "--update", "--no-fuzzy-matching", po_file, pot_file]
+        # pylint: disable=duplicate-code
+        subprocess.run(cmd, check=True, capture_output=True, text=True)  # noqa: S603
+        msg = f"Successfully processed {locale_dir}"
+        logging.info(msg)
+    except subprocess.CalledProcessError as e:
+        msg = f"Error processing {locale_dir}: {e}"
+        logging.error(msg)
+
+
+def main() -> None:
+    logging.basicConfig(level="INFO", format="%(asctime)s - %(levelname)s - %(message)s")
+    # pylint: enable=duplicate-code
+
+    pot_file = os.path.join("ardupilot_methodic_configurator", "locale", "ardupilot_methodic_configurator.pot")
+
+    # Walk through all locale directories
+    for root, dirs, _files in os.walk(os.path.join("ardupilot_methodic_configurator", "locale")):
+        if "LC_MESSAGES" in dirs:
+            locale_dir = os.path.join(root, "LC_MESSAGES")
+            process_locale_directory(locale_dir, pot_file)
+
+
+if __name__ == "__main__":
+    main()