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# Copyright 2018 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 with channel options and call timeout parameters."""
from __future__ import print_function
import grpc
import helloworld_pb2
import helloworld_pb2_grpc
def run():
# 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.
#
# For more channel options, please see https://grpc.io/grpc/core/group__grpc__arg__keys.html
with grpc.insecure_channel(
target='localhost:50051',
options=[('grpc.lb_policy_name', 'pick_first'),
('grpc.enable_retries', 0),
('grpc.keepalive_timeout_ms', 10)]) as channel:
stub = helloworld_pb2_grpc.GreeterStub(channel)
# timeout in second
response = stub.SayHello(helloworld_pb2.HelloRequest(name='you'), timeout=1)
print("Greeter client received: " + response.message)
if __name__ == '__main__':
run()
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