From 0a925095be72a6d0af16053e34820c8c1a4f084a Mon Sep 17 00:00:00 2001 From: Youngchan Kim Date: Fri, 19 Oct 2018 11:05:02 +0900 Subject: Simplify example --- .../helloworld/greeter_client_with_options.py | 34 +++++++++------------- 1 file changed, 13 insertions(+), 21 deletions(-) (limited to 'examples') diff --git a/examples/python/helloworld/greeter_client_with_options.py b/examples/python/helloworld/greeter_client_with_options.py index 50c9346a59..b08dd6d6e1 100644 --- a/examples/python/helloworld/greeter_client_with_options.py +++ b/examples/python/helloworld/greeter_client_with_options.py @@ -22,28 +22,20 @@ import helloworld_pb2_grpc def run(): + # NOTE(gRPC Python Team): .close() is possible on a channel and should be + # used in circumstances in which the with statement does not fit the needs + # of the code. + # # For more channel options, please see https://grpc.io/grpc/core/group__grpc__arg__keys.html - channel = grpc.insecure_channel( - target='localhost:50051', - options=[('grpc.lb_policy_name', 'pick_first'), - ('grpc.enable_retries', 0), - ('grpc.keepalive_timeout_ms', 10), - ('grpc.max_receive_message_length', 12)]) - stub = helloworld_pb2_grpc.GreeterStub(channel) - - try: - # synchronous rpc call - stub.SayHello(helloworld_pb2.HelloRequest(name='you')) - except Exception as err: - print('Raised by max_receive_message_length option\n' + str(err)) - - try: - # asynchronous rpc call. timeout in second - future = stub.SayHello.future(helloworld_pb2.HelloRequest(name='me'), timeout=1) - response = future.result() - print("Greeter client received: " + response.message) - finally: - channel.close() + with grpc.insecure_channel( + target='localhost:50051', + options=[('grpc.lb_policy_name', 'pick_first'), + ('grpc.enable_retries', 0), + ('grpc.keepalive_timeout_ms', 10)]) as channel: + stub = helloworld_pb2_grpc.GreeterStub(channel) + # timeout in second + response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'), timeout=1) + print("Greeter client received: " + response.message) if __name__ == '__main__': -- cgit v1.2.3