Force uv-managed Python in release build

The runner's system CPython 3.12.3 satisfies the '3.12' request, so uv kept using it and PyInstaller failed: system python is built without libpython3.x.so. Set UV_PYTHON_PREFERENCE=only-managed and install the managed interpreter explicitly.
2026-08-25 20:45:27 +02:00
parent b41f0f509e
commit cbca729693
1 changed files with 9 additions and 4 deletions
@@ -35,14 +35,19 @@ jobs:
    runs-on: ubuntu-latest
    permissions:
      contents: write
+    env:
+      # Force uv-managed CPython: the runner's system python satisfies the
+      # "3.12" request but is built without libpython3.x.so, which
+      # PyInstaller --onefile requires.
+      UV_PYTHON: "3.12"
+      UV_PYTHON_PREFERENCE: only-managed
    steps:
      - uses: actions/checkout@v4

      - uses: astral-sh/setup-uv@v5
-        with:
-          # Pin uv's managed CPython: the runner's system python lacks
-          # libpython3.x.so, which PyInstaller needs for --onefile builds.
-          python-version: "3.12"
+
+      - name: Install managed Python
+        run: uv python install 3.12

      - name: Install dependencies
        run: uv sync --frozen --group build