Move job selection to an external script

Author: mhsmith

.github/workflows/build-release.yml

@@ -42,17 +42,16 @@ permissions: {}
 # Set from inputs for workflow_dispatch, or set defaults to test push/PR events
 env:
   GIT_REMOTE: ${{ github.event.inputs.git_remote || 'mhsmith' }}
-  GIT_COMMIT: ${{ github.event.inputs.git_commit || 'c9700e47b6bf98f6ca2e60ecdbee15ba228dcc7c' }}
-  CPYTHON_RELEASE: ${{ github.event.inputs.cpython_release || '3.15.992' }}
+  GIT_COMMIT: ${{ github.event.inputs.git_commit || '7e87375eeff06e03a66209e506ce83c3f70ec57f' }}
+  CPYTHON_RELEASE: ${{ github.event.inputs.cpython_release || '3.15.0b991' }}
 
 jobs:
   verify-input:
     runs-on: ubuntu-24.04
     timeout-minutes: 5
     outputs:
-      # Needed because env vars are not available in "if" conditions
-      cpython_release: ${{ env.CPYTHON_RELEASE }}
-      cpython_branch: ${{ steps.get-branch.outputs.branch }}
+      build-docs: ${{ steps.select-jobs.outputs.docs }}
+      build-android: ${{ steps.select-jobs.outputs.android }}
     steps:
       - name: "Workflow run information"
         run: |
@@ -75,10 +74,18 @@ jobs:
             exit 1
           fi
 
-      - name: "Get CPython branch"
-        id: get-branch
+      - name: "Setup Python"
+        uses: actions/setup-python@0b93645e9fea7318ecaed2b359559ac225c90a2b # v5.3.0
+        with:
+          python-version: 3.12
+
+      - name: "Install dependencies"
+        run: python -m pip install --no-deps -r requirements.txt
+
+      - name: "Select jobs"
+        id: select-jobs
         run: |
-          echo "branch=$(echo "$CPYTHON_RELEASE" | cut -d . -f 1-2)" >> "$GITHUB_OUTPUT"
+          ./select-jobs.py "$CPYTHON_RELEASE" >> "$GITHUB_OUTPUT"
 
   build-source:
     runs-on: ubuntu-24.04
@@ -126,9 +133,7 @@ jobs:
     timeout-minutes: 45
     needs:
       - verify-input
-
-    # Docs aren't built for alpha or beta releases.
-    if: (!(contains(needs.verify-input.outputs.cpython_release, 'a') || contains(needs.verify-input.outputs.cpython_release, 'b')))
+    if: fromJSON(needs.verify-input.outputs.build-docs)
     steps:
       - name: "Checkout ${{ env.GIT_REMOTE }}/cpython"
         uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
@@ -200,7 +205,7 @@ jobs:
     name: build-android (${{ matrix.arch }})
     needs:
       - verify-input
-    if: fromJSON(needs.verify-input.outputs.cpython_branch) >= 3.14
+    if: fromJSON(needs.verify-input.outputs.build-android)
 
     strategy:
       matrix:

requirements.in

@@ -5,4 +5,5 @@ alive_progress>=3.3.0
 python-gnupg
 aiohttp
 blurb>=1.2.1
+packaging
 sigstore>=3

requirements.txt

@@ -562,6 +562,9 @@ multidict==6.1.0 \
     #   aiohttp
     #   grpclib
     #   yarl
+packaging==23.2 \
+    --hash=sha256:8c491190033a9af7e1d931d0b5dacc2ef47509b34dd0de67ed209b5203fc88c7
+    # via -r requirements.in
 paramiko==3.5.1 \
     --hash=sha256:43b9a0501fc2b5e70680388d9346cf252cfb7d00b0667c39e80eb43a408b8f61
     # via -r requirements.in

select_jobs.py

@@ -0,0 +1,26 @@
+#!/usr/bin/env python3
+
+import argparse
+
+from packaging.version import Version
+
+
+def output(key: str, value: bool) -> None:
+    print(f"{key}={str(value).lower()}")
+
+
+def main() -> None:
+    parser = argparse.ArgumentParser()
+    parser.add_argument("version", type=Version)
+    args = parser.parse_args()
+    version = args.version
+
+    # Docs are only built for stable releases or release candidates.
+    output("docs", version.pre is None or version.pre[0] == "rc")
+
+    # Android binary releases began in Python 3.14.
+    output("android", version.release >= (3, 14))
+
+
+if __name__ == "__main__":
+    main()

tests/test_select_jobs.py

@@ -0,0 +1,36 @@
+import sys
+from textwrap import dedent
+
+import pytest
+
+import select_jobs
+
+
+@pytest.mark.parametrize(
+    ("version", "docs", "android"),
+    [
+        ("3.13.0a1", "false", "false"),
+        ("3.13.0rc1", "true", "false"),
+        ("3.13.0", "true", "false"),
+        ("3.13.1", "true", "false"),
+        ("3.14.0a1", "false", "true"),
+        ("3.14.0rc1", "true", "true"),
+        ("3.14.0", "true", "true"),
+        ("3.14.1", "true", "true"),
+    ],
+)
+def test_select_jobs(
+    version: str,
+    docs: str,
+    android: str,
+    monkeypatch: pytest.MonkeyPatch,
+    capsys: pytest.CaptureFixture[str],
+) -> None:
+    monkeypatch.setattr(sys, "argv", ["select_jobs.py", version])
+    select_jobs.main()
+    assert capsys.readouterr().out == dedent(
+        f"""\
+            docs={docs}
+            android={android}
+        """
+    )