Caching poetry

.github/workflows/ci.yml

@@ -11,15 +11,44 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.10"
+      - name: Load cached Poetry installation
+        uses: actions/cache@v3
+        with:
+          path: ~/.local
+          key: poetry-${{ runner.os }}
       - uses: ./.github/actions/python_prepare
+      - name: Cache Poetry dependencies
+        uses: actions/cache@v3
+        with:
+          path: .venv
+          key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
 
   build_python:
     runs-on: ubuntu-latest
     needs:
       - prepare
     steps:
+      - uses: actions/checkout@v2
+      - uses: actions/setup-python@v2
+        with:
+          python-version: "3.10"
+      - name: Restore Poetry installation
+        uses: actions/cache@v3
+        with:
+          path: ~/.local
+          key: poetry-${{ runner.os }}
+      - name: Restore Poetry dependencies
+        uses: actions/cache@v3
+        with:
+          path: .venv
+          key: venv-${{ runner.os }}-${{ hashFiles('**/poetry.lock') }}
       - name: Run poetry build
-        run: poetry build -f wheel
+        run: |
+          export PATH="$HOME/.local/bin:$PATH"
+          poetry build -f wheel
 
   build_frontend:
     runs-on: ubuntu-latest