grpc/examples/python/helloworld/run_codegen.py

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"""Runs protoc with the gRPC plugin to generate messages and gRPC stubs."""

from grpc.tools import protoc

protoc.main(
    (
	'',
	'-I../../protos',
	'--python_out=.',
	'--grpc_python_out=.',
	'../../protos/helloworld.proto',
    )
)