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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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47 lines
1.4 KiB
47 lines
1.4 KiB
# Copyright 2023 gRPC authors. |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); |
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# you may not use this file except in compliance with the License. |
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# You may obtain a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, |
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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# See the License for the specific language governing permissions and |
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# limitations under the License. |
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"""gRPC Python helloworld.Greeter client with call timeout parameters.""" |
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import logging |
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import grpc |
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import helloworld_pb2 |
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import helloworld_pb2_grpc |
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def unary_call( |
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stub: helloworld_pb2_grpc.GreeterStub, request_id: int, message: str |
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): |
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print("call:", request_id) |
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try: |
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response = stub.SayHello( |
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helloworld_pb2.HelloRequest(name=message), timeout=3 |
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) |
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print(f"Greeter client received: {response.message}") |
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except grpc.RpcError as rpc_error: |
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print(f"Call failed with code: {rpc_error.code()}") |
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def run(): |
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with grpc.insecure_channel("localhost:50051") as channel: |
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stub = helloworld_pb2_grpc.GreeterStub(channel) |
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# Should success |
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unary_call(stub, 1, "you") |
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# Should fail with DEADLINE_EXCEEDED |
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unary_call(stub, 2, "[delay] you") |
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if __name__ == "__main__": |
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logging.basicConfig() |
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run()
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