Integrating transliteration into Locales with ABC refactoring

.github/workflows/ci-tests.yml

@@ -105,11 +105,12 @@ jobs:
                   LUA_VERSION: ${{ matrix.lua }}
 
             - name: Install test prerequisites (apt)
-              run: sudo apt-get install -y -qq python3-pytest python3-pytest-asyncio uvicorn python3-falcon python3-aiosqlite python3-pyosmium
+              run: sudo apt-get install -y -qq python3-pytest python3-pytest-asyncio uvicorn python3-falcon python3-aiosqlite python3-pyosmium python3-unidecode
               if: matrix.dependencies == 'apt'
 
             - name: Install test prerequisites (pip)
-              run: ./venv/bin/pip install pytest-asyncio falcon starlette asgi_lifespan aiosqlite osmium uvicorn
+              run: |
+                ./venv/bin/pip install pytest-asyncio falcon starlette asgi_lifespan aiosqlite osmium uvicorn cantonese-romanisation unidecode opencc
               if: matrix.dependencies == 'pip'
 
             - name: Install test prerequisites

.gitignore

@@ -10,4 +10,4 @@ dist
 .coverage
 
 .vagrant
-data/country_osm_grid.sql.gz
+data/country_osm_grid.sql.gz

packaging/nominatim-api/pyproject.toml

@@ -23,6 +23,13 @@ dependencies = [
 ]
 dynamic = ["version"]
 
+[project.optional-dependencies]
+transliteration = [
+    "cantonese-romanisation",
+    "unidecode",
+    "opencc"
+]
+
 [project.urls]
 Homepage = "https://nominatim.org"
 Documentation = "https://nominatim.org/release-docs/latest/"