The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#) https://grpc.io/
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# Copyright 2017 gRPC authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""The Python implementation of the gRPC helloworld.Greeter client."""
from __future__ import print_function
import logging
import default_value_client_interceptor
import grpc
import helloworld_pb2
import helloworld_pb2_grpc
def run():
default_value = helloworld_pb2.HelloReply(
message='Hello from your local interceptor!')
default_value_interceptor = default_value_client_interceptor.DefaultValueClientInterceptor(
default_value)
# 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.
with grpc.insecure_channel('localhost:50051') as channel:
intercept_channel = grpc.intercept_channel(channel,
default_value_interceptor)
stub = helloworld_pb2_grpc.GreeterStub(intercept_channel)
response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'))
print("Greeter client received: " + response.message)
if __name__ == '__main__':
logging.basicConfig()
run()