💄🧪 Separate linting into a reusable workflow

.github/workflows/ci-cd.yml

@@ -95,47 +95,7 @@ jobs:
         retention-days: 15
 
   lint:
-    name: Linter
-    runs-on: ubuntu-latest
-    timeout-minutes: 5
-    steps:
-    - name: Checkout
-      uses: actions/checkout@v4
-    - name: Setup Python
-      uses: actions/setup-python@v4
-      with:
-        python-version: 3.x
-        cache: pip
-        cache-dependency-path:
-          requirements/*.txt
-    - name: Install dependencies
-      uses: py-actions/py-dependency-install@v4
-      with:
-        path: requirements/ci.txt
-    - name: Self-install
-      run: |
-        pip install . --config-settings=pure-python=true
-    - name: Run linters
-      run: |
-        make lint
-    - name: Install spell checker
-      run: |
-        sudo apt install libenchant-2-dev
-        pip install -r requirements/doc.txt
-    - name: Run docs spelling
-      run: |
-        towncrier build --yes --version 99.99.99
-        make doc-spelling
-    - name: Prepare twine checker
-      run: |
-        pip install -U build twine
-        python -m build --config-setting=pure-python=true
-    - name: Run twine checker
-      run: |
-        twine check --strict dist/*
-    - name: Make sure that CONTRIBUTORS.txt remains sorted
-      run: |
-        LC_ALL=C sort -c CONTRIBUTORS.txt
+    uses: ./.github/workflows/reusable-linters.yml
 
   build-wheels-for-tested-arches:
     needs:

.github/workflows/reusable-linters.yml

@@ -0,0 +1,66 @@
+---
+
+name: Linters
+
+on:
+  workflow_call:
+
+env:
+  COLOR: >-  # Supposedly, pytest or coveragepy use this
+    yes
+  FORCE_COLOR: 1  # Request colored output from CLI tools supporting it
+  MYPY_FORCE_COLOR: 1  # MyPy's color enforcement
+  PIP_DISABLE_PIP_VERSION_CHECK: 1
+  PIP_NO_PYTHON_VERSION_WARNING: 1
+  PIP_NO_WARN_SCRIPT_LOCATION: 1
+  PRE_COMMIT_COLOR: always
+  PY_COLORS: 1  # Recognized by the `py` package, dependency of `pytest`
+  PYTHONIOENCODING: utf-8
+  PYTHONUTF8: 1
+  PYTHON_LATEST: 3.x
+
+jobs:
+
+  lint:
+    name: Linter
+    runs-on: ubuntu-latest
+    timeout-minutes: 3
+    steps:
+    - name: Checkout
+      uses: actions/checkout@v4
+    - name: Setup Python ${{ env.PYTHON_LATEST }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ env.PYTHON_LATEST }}
+        cache: pip
+        cache-dependency-path: requirements/*.txt
+    - name: Install dependencies
+      uses: py-actions/py-dependency-install@v4
+      with:
+        path: requirements/ci.txt
+    - name: Self-install
+      run: |
+        pip install . --config-settings=pure-python=true
+    - name: Run linters
+      run: |
+        make lint
+    - name: Install spell checker
+      run: |
+        sudo apt install libenchant-2-dev
+        pip install -r requirements/doc.txt
+    - name: Run docs spelling
+      run: |
+        towncrier build --yes --version 99.99.99
+        make doc-spelling
+    - name: Prepare twine checker
+      run: |
+        pip install -U build twine
+        python -m build --config-setting=pure-python=true
+    - name: Run twine checker
+      run: |
+        twine check --strict dist/*
+    - name: Make sure that CONTRIBUTORS.txt remains sorted
+      run: |
+        LC_ALL=C sort -c CONTRIBUTORS.txt
+
+...