deps: upgrade protobuf to >=6.33 and grpcio to >=1.76 #8884
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Update protobuf and grpcio dependencies to use floating version ranges, improving flexibility for downstream users. Dependency updates: - protobuf: ==6.32.1 -> >=6.33,<7 - grpcio: ==1.75.1 -> >=1.76 - grpcio-tools: ==1.75.1 -> >=1.76 Changes: - Update pyproject.toml, contrib/pyln-grpc-proto/pyproject.toml, and contrib/pyln-testing/pyproject.toml - Remove stale contrib/pyln-grpc-proto/uv.lock (referenced old protobuf3) - Regenerate protobuf files with grpcio-tools 1.76 - Remove manual protoc installation from CI setup.sh, now relies on grpcio-tools bundled protoc for version consistency Changelog-Changed: Upgraded protobuf to >=6.33 and grpcio to >=1.76 for better downstream compatibility
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Add a contrib/protoc wrapper script that invokes the protoc compiler bundled with grpcio-tools via 'uv run python3 -m grpc_tools.protoc'. This ensures the protoc version always matches the Python protobuf package version, avoiding runtime errors from version mismatches between generated code and the protobuf runtime library. The setup.sh script now installs this wrapper to /usr/local/bin/protoc so it's available system-wide during CI builds.
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Summary
Upgrade protobuf and grpcio dependencies to use floating version ranges, improving flexibility for downstream users.
Changes
Dependency updates:
protobuf:==6.32.1→>=6.33,<7grpcio:==1.75.1→>=1.76grpcio-tools:==1.75.1→>=1.76Files modified:
pyproject.tomlcontrib/pyln-grpc-proto/pyproject.tomlcontrib/pyln-testing/pyproject.tomluv.lockRemoved:
contrib/pyln-grpc-proto/uv.lock- stale lock file that referenced oldprotobuf3packageCI changes:
.github/scripts/setup.shRationale
Using floating version ranges allows downstream users of
pyln-grpc-prototo avoid dependency conflicts when other libraries depend on specific protobuf versions. The generated protobuf code (for 6.31.1) is compatible with protobuf 6.33.x runtime.