chore: use dependency groups for devel deps

.github/workflows/mypy.yml

@@ -34,11 +34,9 @@ jobs:
       uses: actions/setup-python@a309ff8b426b58ec0e2a45f0f869d46889d02405 # v6.2.0
       with:
         python-version: '3.14'
-    - name: Install pip dependencies
-      run: uv pip install --system -e .[dev]
 
     - name: Run mypy
       run: |
         echo "::add-matcher::.github/matchers/mypy.json"
-        mypy --show-column-numbers weblate_language_data scripts/*.py
+        uv run --all-extras mypy --show-column-numbers weblate_language_data scripts/*.py
         echo "::remove-matcher owner=mypy::"

.github/workflows/setup.yml

@@ -24,7 +24,7 @@ jobs:
         cache-dependency-glob: ''
         version: 0.10.10
     - name: Install dependencies
-      run: uv pip install --system -e .[dev]
+      run: uv sync --all-extras --dev
     - name: build sdist
       run: uv build
     - name: twine

.github/workflows/update-generated.yml

@@ -57,8 +57,9 @@ jobs:
           ${{ runner.os }}-prek-${{ steps.get-date.outputs.previous_cache_tag }}
           ${{ runner.os }}-prek-
     - name: Install dependencies
-      run: uv pip install --system -e .[dev]
+      run: uv sync --all-extras --dev
     - run: |
+        source .venv/bin/activate
         # Touch all the files to make sure timestamps are more recent
         touch modules/cldr-json/cldr-json/cldr-localenames-full/main/en/languages.json
         touch modules/gettext/gettext-tools/src/plural-table.c

pyproject.toml

@@ -6,6 +6,30 @@ requires = [
   "translate-toolkit"
 ]
 
+[dependency-groups]
+build = [
+  "translate-toolkit==3.19.3"
+]
+dev = [
+  {include-group = "build"},
+  {include-group = "lint"},
+  {include-group = "test"},
+  {include-group = "types"}
+]
+lint = [
+  {include-group = "pre-commit"}
+]
+pre-commit = [
+  "prek==0.3.6"
+]
+test = [
+]
+types = [
+  "django-types==0.23.0",
+  "mypy==1.19.1",
+  "types-setuptools==82.0.0.20260210"
+]
+
 [project]
 authors = [
   {email = "michal@weblate.org", name = "Michal Čihař"}
@@ -41,22 +65,9 @@ requires-python = ">=3.11"
 version = "2026.3"
 
 [project.optional-dependencies]
-dev = [
-  "translate-toolkit==3.19.3",
-  "weblate-language-data[lint,test,types]"
-]
 django = [
   "Django"
 ]
-lint = [
-  "prek==0.3.6"
-]
-test = [
-]
-types = [
-  "django-stubs==5.2.9",
-  "mypy==1.19.1"
-]
 
 [project.readme]
 content-type = "text/x-rst"