def run():
channel = grpc.insecure_channel('localhost:50051')
stub = hello_pb2_grpc.HelloServiceStub(channel)
# ideally, you should have try catch block here too
response = stub.SayHello(hello_pb2.HelloReq(Name='Euler'))
print(response.Result)
try:
response = stub.SayHelloStrict(
hello_pb2.HelloReq(Name='Leonhard Euler'))
except grpc.RpcError as e:
# ouch!
# lets print the gRPC error message
# which is "Length of `Name` cannot be more than 10 characters"
print(e.details())
# lets access the error code, which is `INVALID_ARGUMENT`
# `type` of `status_code` is `grpc.StatusCode`
status_code = e.code()
# should print `INVALID_ARGUMENT`
print(status_code.name)
# should print `(3, 'invalid argument')`
print(status_code.value)
# want to do some specific action based on the error?
if grpc.StatusCode.INVALID_ARGUMENT == status_code:
# do your stuff here
pass
else:
print(response.Result)
def run():
# NOTE(gRPC Python Team): .close() is possible on a channel and should be
# used in circumstances in which the with statement does not fit the needs
# of the code.
with grpc.insecure_channel('localhost:1234') as channel:
stub = hello_pb2_grpc.HelloServiceStub(channel)
response = stub.Hello(hello_pb2.String(value='you'))
print("Hello Service client received: " + response.value)
#!/usr/bin/env python3
import grpc
import hello_pb2
import hello_pb2_grpc
channel = grpc.insecure_channel("localhost:50505")
stub = hello_pb2_grpc.HelloServiceStub(channel)
reply = stub.greet(hello_pb2.GreetRequest(message="Hello service"))
print(f"service replied \"{reply.message}\"")
def do_request():
msg = "bikibiki"
with grpc.insecure_channel("localhost:50051") as channel:
stub = hello_pb2_grpc.HelloServiceStub(channel)
stub.Hello(hello_pb2.MsgRequest(message=msg))
def __init__(self):
channel = grpc.insecure_channel(address + ':' + str(port))
self.stub = hello_grpc.HelloServiceStub(channel)
t = threading.Thread(target=self.__listen_for_messages)
t.start()
def run():
with grpc.insecure_channel('localhost:50051') as channel:
stub = hello_grpc.HelloServiceStub(channel)
print("-------------- BidirectionalHello --------------")
getBidiHelloResponse(stub)