The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
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47 lines
1.7 KiB
47 lines
1.7 KiB
2 years ago
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# 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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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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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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