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44 lines
1.4 KiB
44 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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"""The Python AsyncIO implementation of the GRPC helloworld.Greeter client.""" |
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import asyncio |
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import contextvars |
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import logging |
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import random |
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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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test_var = contextvars.ContextVar("test", default="test") |
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async def run() -> None: |
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async with grpc.aio.insecure_channel("localhost:50051") as channel: |
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stub = helloworld_pb2_grpc.GreeterStub(channel) |
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rpc_id = "{:032x}".format(random.getrandbits(128)) |
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metadata = grpc.aio.Metadata( |
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("client-rpc-id", rpc_id), |
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) |
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print(f"Sending request with rpc id: {rpc_id}") |
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response = await stub.SayHello( |
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helloworld_pb2.HelloRequest(name="you"), metadata=metadata |
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) |
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print("Greeter client received: " + response.message) |
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if __name__ == "__main__": |
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logging.basicConfig() |
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asyncio.run(run())
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