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The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
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48 lines
1.8 KiB
48 lines
1.8 KiB
# Copyright 2023 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 with reflection.""" |
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import logging |
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from google.protobuf.descriptor_pool import DescriptorPool |
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import grpc |
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from grpc_reflection.v1alpha.proto_reflection_descriptor_database import ( |
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ProtoReflectionDescriptorDatabase, |
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) |
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def run(): |
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print("Will try to greet world ...") |
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with grpc.insecure_channel("localhost:50051") as channel: |
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reflection_db = ProtoReflectionDescriptorDatabase(channel) |
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services = reflection_db.get_services() |
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print(f"found services: {services}") |
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desc_pool = DescriptorPool(reflection_db) |
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service_desc = desc_pool.FindServiceByName("helloworld.Greeter") |
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print(f"found Greeter service with name: {service_desc.full_name}") |
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for methods in service_desc.methods: |
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print(f"found method name: {methods.full_name}") |
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input_type = methods.input_type |
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print(f"input type for this method: {input_type.full_name}") |
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request_desc = desc_pool.FindMessageTypeByName( |
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"helloworld.HelloRequest" |
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) |
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print(f"found request name: {request_desc.full_name}") |
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if __name__ == "__main__": |
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logging.basicConfig() |
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run()
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