Improve CI caching

.github/workflows/main.yml

@@ -4,8 +4,6 @@ name: main
 on:
   push:
     branches: [ '**' ]
-  pull_request:
-    branches: [ main ]
   release:
     # A release, pre-release, or draft of a release is published.
     types: [ published ]
@@ -23,6 +21,20 @@ jobs:
     - run: echo "The job was automatically triggered by a ${{ github.event_name }} event."
     - run: echo "The name of the branch is ${{ github.ref }} and the repository is ${{ github.repository }}."
 
+    - name: Checkout repository
+      uses: actions/checkout@v4
+
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: '3.9'
+        cache: 'pip'
+        cache-dependency-path: .github/workflows/requirements.txt
+
+    - name: Install dependencies
+      run: |
+        pip install -r .github/workflows/requirements.txt
+
   # Build all targets
   build:
     # The type of runner that the job will run on.
@@ -37,29 +49,16 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Cache pip
-      uses: actions/cache@v4
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
-
-    - name: Cache PlatformIO
-      uses: actions/cache@v4
-      with:
-        path: ~/.platformio
-        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
-
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.9'
+        cache: 'pip'
+        cache-dependency-path: .github/workflows/requirements.txt
 
-    - name: Install PlatformIO
+    - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade platformio
+        pip install -r .github/workflows/requirements.txt
 
     - name: Compile ${{ matrix.environment }} firmware
       run: platformio run --environment ${{ matrix.environment }}
@@ -77,29 +76,16 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Cache pip
-      uses: actions/cache@v4
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
-
-    - name: Cache PlatformIO
-      uses: actions/cache@v4
-      with:
-        path: ~/.platformio
-        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
-
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.9'
+        cache: 'pip'
+        cache-dependency-path: .github/workflows/requirements.txt
 
-    - name: Install PlatformIO
+    - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade platformio
+        pip install -r .github/workflows/requirements.txt
 
     - name: Perform static checks on ${{ matrix.environment }}
       run: platformio check --environment ${{ matrix.environment }} --fail-on-defect=medium --fail-on-defect=high
@@ -114,29 +100,16 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Cache pip
-      uses: actions/cache@v4
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
-
-    - name: Cache PlatformIO
-      uses: actions/cache@v4
-      with:
-        path: ~/.platformio
-        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
-
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.9'
+        cache: 'pip'
+        cache-dependency-path: .github/workflows/requirements.txt
 
-    - name: Install PlatformIO
+    - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade platformio
+        pip install -r .github/workflows/requirements.txt
 
     - name: Run tests on native environment
       run: platformio test --environment TestSim -vvv
@@ -154,29 +127,16 @@ jobs:
     - name: Checkout repository
       uses: actions/checkout@v4
 
-    - name: Cache pip
-      uses: actions/cache@v4
-      with:
-        path: ~/.cache/pip
-        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
-        restore-keys: |
-          ${{ runner.os }}-pip-
-
-    - name: Cache PlatformIO
-      uses: actions/cache@v4
-      with:
-        path: ~/.platformio
-        key: ${{ runner.os }}-${{ hashFiles('**/lockfiles') }}
-
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
         python-version: '3.9'
-
-    - name: Install PlatformIO
+        cache: 'pip'
+        cache-dependency-path: .github/workflows/requirements.txt
+
+    - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install --upgrade platformio
+        pip install -r .github/workflows/requirements.txt
 
     - name: Set up graphviz
       uses: ts-graphviz/setup-graphviz@v2
@@ -196,23 +156,22 @@ jobs:
     # The type of runner that the job will run on.
     runs-on: ubuntu-latest
     needs: intro
-    strategy:
-      matrix:
-        python-version: ["3.9", "3.10", "3.11"]
 
     # Steps represent a sequence of tasks that will be executed as part of the job.
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Set up Python ${{ matrix.python-version }}
+      - name: Set up Python
         uses: actions/setup-python@v5
         with:
-          python-version: ${{ matrix.python-version }}
-
+          python-version: '3.9'
+          cache: 'pip'
+          cache-dependency-path: .github/workflows/requirements.txt
+
       - name: Install dependencies
         run: |
-          pip install pylint
+          pip install -r .github/workflows/requirements.txt
 
       - name: Analysing the code with pylint
         run: |

.github/workflows/requirements.txt

@@ -0,0 +1,3 @@
+platformio==6.1.15
+pylint==3.2.6
+SerialMuxProt @ git+https://github.com/gabryelreyes/SerialMuxProt.git@10270033b0eb5e19cae39c35978745a778eb6acc#subdirectory=python/SerialMuxProt