Change python caching

via https://adamj.eu/tech/2023/11/02/github-actions-faster-python-virtual-environments/
philgyford · Jul 20, 2024 · 2ae28ce · 2ae28ce
1 parent c7f94b4
commit 2ae28ce
Showing 1 changed file with 19 additions and 2 deletions.
diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
@@ -39,10 +39,27 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: "3.10"
-          cache: "pip"
+
+      # Via https://adamj.eu/tech/2023/11/02/github-actions-faster-python-virtual-environments/
+      - name: Restore cached virtualenv
+        uses: actions/cache/restore@v4
+        with:
+          key: venv-${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-${{ hashFiles('requirements.txt') }}
+          path: .venv
 
       - name: Install dependencies
-        run: python -m pip install -r requirements.txt
+        run: |
+          python -m venv .venv
+          source .venv/bin/activate
+          python -m pip install -r requirements.txt
+          echo "$VIRTUAL_ENV/bin" >> $GITHUB_PATH
+          echo "VIRTUAL_ENV=$VIRTUAL_ENV" >> $GITHUB_ENV
+
+      - name: Saved cached virtualenv
+        uses: actions/cache/save@v4
+        with:
+          key: venv-${{ runner.os }}-${{ steps.setup_python.outputs.python-version }}-${{ hashFiles('requirements.txt') }}
+          path: .venv
 
       - name: Run ruff
         # ruff is already installed from our requirements