# Build Proto
python -m grpc_tools.protoc -I./protos --python_out=./greeter --grpc_python_out=./greeter ./protos/helloworld.proto
# Update `greeter/helloworld_pb2_grpc.py` to update `import helloworld_pb2 as helloworld__pb2` to `import greeter.helloworld_pb2 as helloworld__pb2`
sed -i 's/import helloworld_pb2 as helloworld__pb2/import greeter.helloworld_pb2 as helloworld__pb2/g' greeter/helloworld_pb2_grpc.py
# Cythonize
python setup.py build_ext --inplace
# Run the Server
python main_server.py
# Run the Client
python main_client.pyThe above will return:
Traceback (most recent call last):
File "main_client.py", line 12, in <module>
asyncio.run(main())
File "/home/xanrin/.pyenv/versions/3.8.18/lib/python3.8/asyncio/runners.py", line 44, in run
return loop.run_until_complete(main)
File "/home/xanrin/.pyenv/versions/3.8.18/lib/python3.8/asyncio/base_events.py", line 616, in run_until_complete
return future.result()
File "main_client.py", line 7, in main
greeting = await send_greeting(name="Alice")
File "greeter/client.py", line 7, in send_greeting
async with grpc.aio.insecure_channel(server_address) as channel:
File "greeter/client.py", line 9, in greeter.client.send_greeting
response = await stub.SayHello(helloworld_pb2.HelloRequest(name=name))
File "/home/xanrin/.pyenv/versions/3.8.18/lib/python3.8/site-packages/grpc/aio/_call.py", line 318, in __await__
raise _create_rpc_error(
grpc.aio._call.AioRpcError: <AioRpcError of RPC that terminated with:
status = StatusCode.UNKNOWN
details = "Unexpected <class 'TypeError'>: descriptor 'SerializeToString' for 'google._upb._message.Message' objects doesn't apply to a '_cython_3_0_2.coroutine' object"
debug_error_string = "UNKNOWN:Error received from peer {grpc_message:"Unexpected <class \'TypeError\'>: descriptor \'SerializeToString\' for \'google._upb._message.Message\' objects doesn\'t apply to a \'_cython_3_0_2.coroutine\' object", grpc_status:2, created_time:"2024-02-05T14:50:26.432929772+01:00"}"