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# Copyright 2017 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 implementation of the gRPC helloworld.Greeter client."""
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from __future__ import print_function
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import logging
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import default_value_client_interceptor
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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 run():
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default_value = helloworld_pb2.HelloReply(
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message='Hello from your local interceptor!')
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default_value_interceptor = default_value_client_interceptor.DefaultValueClientInterceptor(
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default_value)
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# NOTE(gRPC Python Team): .close() is possible on a channel and should be
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# used in circumstances in which the with statement does not fit the needs
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# of the code.
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with grpc.insecure_channel('localhost:50051') as channel:
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intercept_channel = grpc.intercept_channel(channel,
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default_value_interceptor)
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stub = helloworld_pb2_grpc.GreeterStub(intercept_channel)
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response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
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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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run()
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