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52 lines
1.7 KiB
52 lines
1.7 KiB
# Copyright 2021 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 hellostreamingworld.MultiGreeter client.""" |
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import asyncio |
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import logging |
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import grpc |
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import hellostreamingworld_pb2 |
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import hellostreamingworld_pb2_grpc |
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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 = hellostreamingworld_pb2_grpc.MultiGreeterStub(channel) |
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# Read from an async generator |
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async for response in stub.sayHello( |
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hellostreamingworld_pb2.HelloRequest(name="you") |
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): |
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print( |
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"Greeter client received from async generator: " |
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+ response.message |
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) |
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# Direct read from the stub |
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hello_stream = stub.sayHello( |
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hellostreamingworld_pb2.HelloRequest(name="you") |
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) |
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while True: |
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response = await hello_stream.read() |
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if response == grpc.aio.EOF: |
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break |
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print( |
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"Greeter client received from direct read: " + response.message |
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) |
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if __name__ == "__main__": |
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logging.basicConfig() |
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asyncio.run(run())
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