mirror of https://github.com/grpc/grpc.git
The C based gRPC (C++, Python, Ruby, Objective-C, PHP, C#)
https://grpc.io/
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
42 lines
1.4 KiB
42 lines
1.4 KiB
2 years ago
|
# 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 AsyncIO implementation of the GRPC helloworld.Greeter client."""
|
||
|
|
|
||
|
|
import asyncio
|
||
|
|
import contextvars
|
||
|
|
import logging
|
||
|
|
import random
|
||
|
|
|
||
|
|
import grpc
|
||
|
|
import helloworld_pb2
|
||
|
|
import helloworld_pb2_grpc
|
||
|
|
|
||
|
|
test_var = contextvars.ContextVar('test', default='test')
|
||
|
|
|
||
|
|
|
||
|
|
async def run() -> None:
|
||
|
|
async with grpc.aio.insecure_channel('localhost:50051') as channel:
|
||
|
|
stub = helloworld_pb2_grpc.GreeterStub(channel)
|
||
|
|
rpc_id = '{:032x}'.format(random.getrandbits(128))
|
||
|
|
metadata = grpc.aio.Metadata(('client-rpc-id', rpc_id),)
|
||
|
|
print(f"Sending request with rpc id: {rpc_id}")
|
||
|
|
response = await stub.SayHello(helloworld_pb2.HelloRequest(name='you'),
|
||
|
|
metadata=metadata)
|
||
|
|
print("Greeter client received: " + response.message)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == '__main__':
|
||
|
|
logging.basicConfig()
|
||
|
|
asyncio.run(run())
|