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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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54 lines
1.8 KiB
54 lines
1.8 KiB
# Copyright 2020 The 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 argparse |
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import logging |
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import grpc |
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import grpc.experimental |
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import helloworld_pb2 |
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import helloworld_pb2_grpc |
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_DESCRIPTION = "Get a greeting from a server." |
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def run(server_address, secure): |
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if secure: |
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fallback_creds = grpc.experimental.insecure_channel_credentials() |
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channel_creds = grpc.xds_channel_credentials(fallback_creds) |
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channel = grpc.secure_channel(server_address, channel_creds) |
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else: |
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channel = grpc.insecure_channel(server_address) |
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with channel: |
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stub = helloworld_pb2_grpc.GreeterStub(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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parser = argparse.ArgumentParser(description=_DESCRIPTION) |
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parser.add_argument( |
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"server", default=None, help="The address of the server." |
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) |
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parser.add_argument( |
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"--xds-creds", |
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action="store_true", |
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help="If specified, uses xDS credentials to connect to the server.", |
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) |
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args = parser.parse_args() |
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logging.basicConfig() |
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run(args.server, args.xds_creds)
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