1# Copyright 2015 gRPC authors. 2# 3# Licensed under the Apache License, Version 2.0 (the "License"); 4# you may not use this file except in compliance with the License. 5# You may obtain a copy of the License at 6# 7# http://www.apache.org/licenses/LICENSE-2.0 8# 9# Unless required by applicable law or agreed to in writing, software 10# distributed under the License is distributed on an "AS IS" BASIS, 11# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12# See the License for the specific language governing permissions and 13# limitations under the License. 14"""The Python implementation of the GRPC helloworld.Greeter client.""" 15 16from __future__ import print_function 17 18import logging 19 20import grpc 21import helloworld_pb2 22import helloworld_pb2_grpc 23 24 25def run(): 26 # NOTE(gRPC Python Team): .close() is possible on a channel and should be 27 # used in circumstances in which the with statement does not fit the needs 28 # of the code. 29 print("Will try to greet world ...") 30 with grpc.insecure_channel("localhost:50051") as channel: 31 stub = helloworld_pb2_grpc.GreeterStub(channel) 32 response = stub.SayHello(helloworld_pb2.HelloRequest(name="you")) 33 print("Greeter client received: " + response.message) 34 35 36if __name__ == "__main__": 37 logging.basicConfig() 38 run() 39