Add python-version file

Author: eltos

.github/workflows/dependencies.yaml

@@ -20,7 +20,7 @@ concurrency:
   group: ${{ github.workflow }}
 
 env:
-  # Note: the last version in this list is used for docs requirements, so update it in other workflows too!
+  # Note: the last version in this list is used to for sphinx-docs and pypi-releases
   PYTHON_VERSIONS: |
     3.9
     3.10
@@ -49,7 +49,8 @@ jobs:
             python$VER -m piptools compile --upgrade --no-annotate -o examples-requirements-py$VER.txt --all-extras ../pyproject.toml examples.in
             python$VER -m piptools compile --upgrade --no-annotate -o tests-requirements-py$VER.txt examples-requirements-py$VER.txt tests.in
           done
-          # use last version for docs 
+          # use last version for docs and releases
+          echo "$VER" > .python-version
           python$VER -m piptools compile --upgrade --no-annotate -o docs-requirements.txt examples-requirements-py$VER.txt docs.in
 
       - name: Open PR

.github/workflows/release.yaml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - run: |
           # Assert git and python versions match
           pip install -e .
@@ -32,7 +32,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - run: |
           pip install build
       - name: Build
@@ -70,7 +70,7 @@ jobs:
           fetch-depth: 0
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - name: Install dependencies
         run: |
           pip install -r requirements/docs-requirements.txt
@@ -108,7 +108,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - run: |
           pip install build
       - name: Build

.github/workflows/release_trigger.yaml

@@ -22,7 +22,7 @@ jobs:
           ssh-key: ${{ secrets.RELEASE_TRIGGER_WORKFLOW_KEY }}
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - run: |
           # Determine version
           pip install -e .

.github/workflows/test.yaml

@@ -35,7 +35,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - name: Install dependencies
         run: |
           pip install -r requirements/docs-requirements.txt
@@ -50,7 +50,7 @@ jobs:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5
         with:
-          python-version: '3.12'
+          python-version-file: 'requirements/.python-version'
       - uses: pre-commit/[email protected]
         with:
           extra_args: --all-files --hook-stage=manual
@@ -64,7 +64,7 @@ jobs:
 #          fetch-depth: 0
 #      - uses: actions/setup-python@v5
 #        with:
-#          python-version: '3.12'
+#          python-version-file: 'requirements/.python-version'
 #      - run: |
 #          # Determine version
 #          pip install -e .

requirements/.python-version

@@ -0,0 +1 @@
+3.12