Add UV_SYSTEM_PYTHON and UV_PROJECT_ENVIRONMENT

Author: puehringer

.github/actions/build-node-python/action.yml

@@ -196,6 +196,10 @@ runs:
     - name: Build node and python in parallel
       id: build
       run: |
+        # https://github.com/astral-sh/uv/issues/8085#issuecomment-2406665798
+        # In case uv sync is used, sync into the system python environment
+        export UV_PROJECT_ENVIRONMENT="${pythonLocation}"
+
         # Run node and python in parallel
 
         # Define the node sequence of commands
@@ -280,7 +284,9 @@ runs:
         RUN_PYTHON_LINT: ${{ inputs.run_python_lint }}
         RUN_PYTHON_TEST: ${{ inputs.run_python_test }}
         RUN_PYTHON_BUILD: ${{ inputs.run_python_build }}
+        UV_SYSTEM_PYTHON: 1  # https://docs.astral.sh/uv/guides/integration/github/#using-uv-pip
         UV_HTTP_TIMEOUT: 300  # https://docs.astral.sh/uv/reference/environment/#uv_http_timeout
+
     # Node
     - name: Save yarn cache
       uses: actions/cache/save@v4

.github/workflows/build-node-python.yml

@@ -110,7 +110,7 @@ on:
         required: false
 
 env:
-  WORKFLOW_BRANCH: "main"
+  WORKFLOW_BRANCH: "mp/release_pyproject"  # TODO: Revert
   POSTGRES_HOSTNAME: postgres_${{ github.job }}_${{ inputs.deduplication_id }}_${{ github.run_id }}_${{ github.run_attempt }}
 
 permissions: