def run():
channel = grpc.insecure_channel(
'localhost:50051') #create a channel to our server
try:
grpc.channel_ready_future(channel).result(
timeout=10) #client waits for timeout
except grpc.FutureTimeoutError:
sys.exit('Error connecting to server')
else:
stub = users_service.UsersStub(
channel
) #else create a BertSqquadStub object and pass channel as arg
metadata = [('ip', '127.0.0.1')]
response = stub.CreateUser(
users_messages.CreateUserRequest(username='******'),
metadata=metadata,
)
if response:
print("User created:", response.user.username)
request = users_messages.GetUsersRequest( #request is of repeated type, so it is a list
user=[
users_messages.User(
username="******",
user_id=1), #repeated User in GetUsersRequest message
users_messages.User(username="******", user_id=1)
])
response = stub.GetUsers(
request) #result of GetUsers is a stream, so iterate over it
for resp in response:
print(resp)
def run():
channel = grpc.insecure_channel('localhost:50051')
try:
grpc.channel_ready_future(channel).result(timeout=10)
except grpc.FutureTimeoutError:
sys.exit('Error connecting to server')
else:
stub = users_service.UsersStub(channel)
metadata = [('ip', '127.0.0.1')]
response = stub.CreateUser(
users_messages.CreateUserRequest(username='******'),
metadata=metadata,
)
if response:
print("User created:", response.user.username)
request = users_messages.GetUsersRequest(user=[
users_messages.User(username="******", user_id=1),
users_messages.User(username="******", user_id=1),
users_messages.User(username="******", user_id=1),
])
response = stub.GetUsers(request)
for resp in response:
print(resp)
def users_get():
request = users_messages.GetUsersRequest(user=[
users_messages.User(username="******", user_id=1),
users_messages.User(username="******", user_id=1)
])
def get_user():
response = app.config['users'].GetUsers(request)
for resp in response:
yield MessageToJson(resp)
return Response(get_user(), content_type='application/json')
def users_get():
request = users_messages.GetUsersRequest(user=[
users_messages.User(username="******", user_id=1),
users_messages.User(username="******", user_id=1)
])
response_list = []
def get_users():
response = app.config['users'].GetUsers(request)
for resp in response:
response_list.append(json.loads(MessageToJson(resp.user)))
get_users()
return jsonify(response_list)
def run():
users = ServiceClient(users_service, 'UsersStub', 'localhost', 50051)
# Insert example metadata
metadata = [('ip', '127.0.0.1')]
response = users.CreateUser(
users_messages.CreateUserRequest(username='******'), metadata=metadata)
if response:
print("User created:", response.user.username)
request = users_messages.GetUsersRequest(user=[
users_messages.User(username="******", user_id=1),
users_messages.User(username="******", user_id=1)
])
response = users.GetUsers(request)
for resp in response:
print(resp)
def GetUsers(self, request, context):
for user in request.user:
user = users_messages.User(
username=user.username, user_id=user.user_id
)
yield users_messages.GetUsersResult(user=user) #get each user and wrap in its according message(type) GetUsersResult
def CreateUser(self, request, context):
metadata = dict(context.invocation_metadata())
print(metadata)
user = users_messages.User(username=request.username, user_id=1)
return users_messages.CreateUserResult(user=user)
def GetUsers(self, request, context):
for user in request.user:
user = users_messages.User(username=user.username,
user_id=user.user_id)
yield users_messages.GetUsersResult(user=user)
def CreateUser(self, request, context):
user = users_messages.User(username=request.username, user_id=1)
if random.random() > 0.5:
1 / 0
return users_messages.CreateUserResult(user=user)
