Dealing with broken python3-grpc on Ubuntu Jammy

[mhidalgo-bdai]

Hi there! While attempting to release an ament_python ROS 2 package that uses gRPC to ROS 2 Humble, I learned that python3-grpcio has been broken in Ubuntu Jammy for almost as long as the distro has been out, see https://bugs.launchpad.net/ubuntu/+source/grpc/+bug/1971114. The fix is known but after 2.5 years the issue remains. I'm reaching out to Ubuntu maintainers, but I have little hope it will get addressed. I can only assume people have dealt with this pip installing gRPC.

So my question to you is, how can we deal with this? pip installing a suitable version on post-install is not great practice but it might do. Vendoring gRPC... I'm really not looking forward to do that. Is there any other way?