gh-actions: refactor

.github/workflows/build-and-release.yml

@@ -11,31 +11,28 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [2.7, 3.6]
+        include:
+          - python: python3.6
+            pip: pip3
+          - python: python2
+            pip: pip
 
     steps:
       - name: Checkout
         uses: actions/checkout@v2
         with:
           fetch-depth: 0
 
-      - name: Set up Python ${{ matrix.python-version }}
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-
-      - name: Cache Python
-        uses: actions/[email protected]
-        id: cache
-        with:
-          path: ${{ env.pythonLocation }}
-          key: ${{ runner.os }}-pip-${{ matrix.python-version }}-${{ github.sha }}
-
       - name: Install python dependencies
-        uses: ./.github/actions/install-python-dependencies
+        run: |
+          ${{ matrix.pip }} install --user --upgrade pip
+          ${{ matrix.pip }} --no-cache-dir install --user setuptools wheel py coveralls
+          ${{ matrix.pip }} --no-cache-dir install --user -e .[tests]
 
       - name: Show python dependencies
-        run: pip freeze
+        run: |
+          ${{ matrix.python }} --version
+          ${{ matrix.pip }} freeze
 
       - name: Run tests
         uses: ./.github/actions/run-tests
@@ -67,17 +64,10 @@ jobs:
         with:
           fetch-depth: 0
 
-      - name: Set up Python 2.7
+      - name: Set up Python 3.x
         uses: actions/setup-python@v2
         with:
-          python-version: 2.7
-
-      - name: Cache Python Dependencies
-        uses: actions/[email protected]
-        id: cache
-        with:
-          path: ${{ env.pythonLocation }}
-          key: ${{ runner.os }}-pip-2.7-${{ github.sha }}
+          python-version: 3.x
 
       - name: Install python dependencies
         uses: ./.github/actions/install-python-dependencies