def run_should_fail():
with grpc.insecure_channel('localhost:50051') as channel:
stub = echo_pb2_grpc.EchoStub(channel)
print("================= should fail with 'Access denied!' ====================")
try:
expand(stub)
except:
print(sys.exc_info())
def run_should_pass():
header_adder_interceptor = client_interceptor.header_adder_interceptor(
'one-time-password', '42')
with grpc.insecure_channel('localhost:50051') as channel:
intercept_channel = grpc.intercept_channel(channel,
header_adder_interceptor)
stub = echo_pb2_grpc.EchoStub(intercept_channel)
print("================= should pass ====================")
expand(stub)
def run():
with grpc.insecure_channel('localhost:50051') as channel:
stub = echo_pb2_grpc.EchoStub(channel)
print("-------------- Echo --------------")
echo(stub)
print("-------------- Expand --------------")
expand(stub)
print("-------------- Collect --------------")
collect(stub)
print("-------------- Chat --------------")
chat(stub)
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:50051') as channel:
stub = echo_pb2_grpc.EchoStub(channel)
# response = stub.SayHello(echo_pb2.HelloRequest(name='you'))
# print("Greeter client received: " + response.message)
value = "payload (test message)"
request = echo_pb2.EchoRequest(message=value)
response = stub.Reply(request)
print(f"Response from the server: '{response.message}'")
def __init__(self, host='0.0.0.0', port=PORT):
self.channel = grpc.insecure_channel('%s:%d' % (host, port))
self.stub = echo_pb2_grpc.EchoStub(self.channel)
import grpc
# import the generated classes
import echo_pb2
import echo_pb2_grpc
# open a gRPC channel
channel = grpc.insecure_channel('localhost:50051')
# create a stub (client)
stub = echo_pb2_grpc.EchoStub(channel)
# create a valid request message
text = echo_pb2.Set(value='Hello, world!', number=12)
# make the call
response = stub.Response(text)
print(response.value)
print(response.number)
def __init__(self, username, host='localhost', port=5000):
self.username = username
self.host = host
self.port = port
channel = grpc.insecure_channel('{}:{}'.format(self.host, self.port))
self.stub = echo_pb2_grpc.EchoStub(channel)