github: Add virtualenv caching

.github/workflows/build.yml

@@ -6,13 +6,14 @@ on:
 jobs:
   build:
     name: Build
-    runs-on: 
+    runs-on:
       - ubuntu-latest
     steps:
       - name: Check out repo
         uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v5
+        id: setup-python
         with:
           # The codegen scripts require Python 3.9 or later.
           python-version: "3.9"
@@ -22,6 +23,11 @@ jobs:
           poetry-version: "1.8.3"
       - name: Check Poetry version
         run: poetry --version
+      - name: Cache virtualenv (all extras)
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: nidaqmx-all-extras-${{ runner.os }}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('poetry.lock') }}
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/generate_docs.yml

@@ -13,6 +13,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Set up Python
         uses: actions/setup-python@v5
+        id: setup-python
         with:
           python-version: "3.9"
       - name: Set up Poetry
@@ -21,6 +22,13 @@ jobs:
           poetry-version: "1.8.3"
       - name: Check Poetry version
         run: poetry --version
+      - name: Cache virtualenvs
+        uses: actions/cache@v4
+        with:
+          path: |
+            .venv
+            .tox
+          key: generate-docs-${{ runner.os }}-py${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('poetry.lock') }}
       - name: Install dependencies
         run: |
           python -m pip install --upgrade pip

.github/workflows/run_system_tests.yml

@@ -23,6 +23,13 @@ jobs:
         uses: actions/checkout@v4
       - name: Import DAQmx config
         run: C:\nidaqmxconfig\targets\win64U\x64\msvc-14.0\release\nidaqmxconfig.exe --eraseconfig --import tests\max_config\nidaqmxMaxConfig.ini
+      - name: Cache virtualenvs
+        uses: actions/cache@v4
+        with:
+          path: |
+            .venv
+            .tox
+          key: run-system-tests-${{ runner.os }}-${{ matrix.configuration }}-${{ hashFiles('poetry.lock') }}
       - name: Install dependencies
         run: poetry install
       - name: Run system tests

.github/workflows/run_unit_tests.yml

@@ -28,12 +28,29 @@ jobs:
           poetry-version: "1.8.3"
       - name: Check Poetry version
         run: poetry --version
+      - name: Restore cached virtualenv (main only)
+        uses: actions/cache/restore@v4
+        id: restore-nidaqmx-main-only
+        with:
+          path: .venv
+          key: nidaqmx-main-only-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}
       - name: Install main package dependencies
         run: |
           python -m pip install --upgrade pip
           poetry install --only main
       - name: check installdriver subcommand can be invoked
         run: poetry run nidaqmx installdriver --help
+      - name: Save cached virtualenv (main only)
+        uses: actions/cache/save@v4
+        if: steps.restore-nidaqmx-main-only.outputs.cache-hit != 'true'
+        with:
+          path: .venv
+          key: ${{ steps.restore-nidaqmx-main-only.outputs.cache-primary-key }}
+      - name: Cache virtualenv (with dev dependencies)
+        uses: actions/cache@v4
+        with:
+          path: .venv
+          key: nidaqmx-with-dev-${{ runner.os }}-py${{ matrix.python-version }}-${{ hashFiles('poetry.lock') }}
       - name: Install dev dependencies
         run: poetry install
       - name: Run unit tests