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