Use built-in pip caching from actions/setup-python in generated project (#3481)

.github/workflows/ci.yml

@@ -100,7 +100,10 @@ jobs:
         with:
           python-version: "3.9"
           cache: pip
-          cache-dependency-path: '**/requirements*.txt'
+          cache-dependency-path: |
+            requirements.txt
+            {{cookiecutter.project_slug}}/requirements/base.txt
+            {{cookiecutter.project_slug}}/requirements/local.txt
       - name: Install dependencies
         run: pip install -r requirements.txt
       - uses: actions/setup-node@v2

{{cookiecutter.project_slug}}/.github/workflows/ci.yml

@@ -23,15 +23,13 @@ jobs:
       - name: Checkout Code Repository
         uses: actions/checkout@v2
 
-      - name: Set up Python 3.9
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.9"
+          cache: pip
 
-      # Run all pre-commit hooks on all the files.
+      - name: Run pre-commit
-      # Getting only staged files can be tricky in case a new PR is opened
-      # since the action is run on a branch in detached head state
-      - name: Install and Run Pre-commit
         uses: pre-commit/action@v2.0.3
 
   # With no caching at all the entire ci process takes 4m 30s to complete!
@@ -80,27 +78,14 @@ jobs:
         run:  docker-compose -f local.yml down
       {%- else %}
 
-      - name: Set up Python 3.9
+      - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.9
+          python-version: "3.9"
-
+          cache: pip
-      - name: Get pip cache dir
+          cache-dependency-path: |
-        id: pip-cache-location
+            requirements/base.txt
-        run: |
+            requirements/local.txt
-          echo "::set-output name=dir::$(pip cache dir)"
-      {%- raw %}
-
-      - name: Cache pip Project Dependencies
-        uses: actions/cache@v2
-        with:
-          # Get the location of pip cache dir
-          path: ${{ steps.pip-cache-location.outputs.dir }}
-          # Look to see if there is a cache hit for the corresponding requirements file
-          key: ${{ runner.os }}-pip-${{ hashFiles('**/local.txt') }}
-          restore-keys: |
-            ${{ runner.os }}-pip-
-      {%- endraw %}
 
       - name: Install Dependencies
         run: |