def test_raise_connection_exception_redis_lock_store(monkeypatch: MonkeyPatch):
monkeypatch.setattr(rasa.core.lock_store, "RedisLockStore",
Mock(side_effect=ConnectionError()))
with pytest.raises(ConnectionException):
LockStore.create(
EndpointConfig(username="******",
password="******",
type="redis"))
def test_create_lock_store(lock_store: LockStore):
conversation_id = "my id 0"
# create and lock
lock = lock_store.create_lock(conversation_id)
lock_store.save_lock(lock)
lock = lock_store.get_lock(conversation_id)
assert lock
assert lock.conversation_id == conversation_id
def create_agent(model: Text, endpoints: Text = None) -> "Agent":
"""Create an agent instance based on a stored model.
Args:
model: file path to the stored model
endpoints: file path to the used endpoint configuration
"""
from rasa.core.tracker_store import TrackerStore
from rasa.core.utils import AvailableEndpoints
from rasa.core.brokers.broker import EventBroker
import rasa.utils.common
_endpoints = AvailableEndpoints.read_endpoints(endpoints)
_broker = rasa.utils.common.run_in_loop(EventBroker.create(_endpoints.event_broker))
_tracker_store = TrackerStore.create(_endpoints.tracker_store, event_broker=_broker)
_lock_store = LockStore.create(_endpoints.lock_store)
return Agent.load(
model,
generator=_endpoints.nlg,
tracker_store=_tracker_store,
lock_store=_lock_store,
action_endpoint=_endpoints.action,
)
async def load_agent_on_start(
model_path: Text,
endpoints: AvailableEndpoints,
remote_storage: Optional[Text],
app: Sanic,
loop: Text,
):
"""Load an agent.
Used to be scheduled on server start
(hence the `app` and `loop` arguments)."""
import rasa.core.brokers.utils as broker_utils
# noinspection PyBroadException
# bf mod
try:
with model.get_model(model_path) as unpacked_model:
_, nlu_models = model.get_model_subdirectories(unpacked_model)
_interpreters = {}
for lang, nlu_model_path in nlu_models.items():
_interpreters[lang] = NaturalLanguageInterpreter.create(
nlu_model_path, endpoints.nlu)
except Exception:
logger.debug(f"Could not load interpreter from '{model_path}'.")
_interpreters = {}
# /bf mod
_broker = broker_utils.from_endpoint_config(endpoints.event_broker)
_tracker_store = TrackerStore.find_tracker_store(None,
endpoints.tracker_store,
_broker)
_lock_store = LockStore.find_lock_store(endpoints.lock_store)
model_server = endpoints.model if endpoints and endpoints.model else None
app.agent = await agent.load_agent(
model_path,
model_server=model_server,
remote_storage=remote_storage,
interpreters=_interpreters,
generator=endpoints.nlg,
tracker_store=_tracker_store,
lock_store=_lock_store,
action_endpoint=endpoints.action,
)
if not app.agent:
warnings.warn(
"Agent could not be loaded with the provided configuration. "
"Load default agent without any model.")
app.agent = Agent(
interpreters=_interpreters,
generator=endpoints.nlg,
tracker_store=_tracker_store,
action_endpoint=endpoints.action,
model_server=model_server,
remote_storage=remote_storage,
)
return app.agent
async def load_agent_on_start(
model_path: Text,
endpoints: AvailableEndpoints,
remote_storage: Optional[Text],
app: Sanic,
loop: AbstractEventLoop,
):
"""Load an agent.
Used to be scheduled on server start
(hence the `app` and `loop` arguments)."""
# noinspection PyBroadException
try:
with model.get_model(model_path) as unpacked_model:
_, nlu_model = model.get_model_subdirectories(unpacked_model)
_interpreter = NaturalLanguageInterpreter.create(endpoints.nlu or nlu_model)
except Exception:
logger.debug(f"Could not load interpreter from '{model_path}'.")
_interpreter = None
_broker = EventBroker.create(endpoints.event_broker)
_tracker_store = TrackerStore.create(endpoints.tracker_store, event_broker=_broker)
_lock_store = LockStore.create(endpoints.lock_store)
model_server = endpoints.model if endpoints and endpoints.model else None
try:
app.agent = await agent.load_agent(
model_path,
model_server=model_server,
remote_storage=remote_storage,
interpreter=_interpreter,
generator=endpoints.nlg,
tracker_store=_tracker_store,
lock_store=_lock_store,
action_endpoint=endpoints.action,
)
except Exception as e:
rasa.shared.utils.io.raise_warning(
f"The model at '{model_path}' could not be loaded. " f"Error: {e}"
)
app.agent = None
if not app.agent:
rasa.shared.utils.io.raise_warning(
"Agent could not be loaded with the provided configuration. "
"Load default agent without any model."
)
app.agent = Agent(
interpreter=_interpreter,
generator=endpoints.nlg,
tracker_store=_tracker_store,
action_endpoint=endpoints.action,
model_server=model_server,
remote_storage=remote_storage,
)
logger.info("Rasa server is up and running.")
return app.agent
def test_lock_expiration(lock_store: LockStore):
conversation_id = "my id 2"
lock = lock_store.create_lock(conversation_id)
lock_store.save_lock(lock)
# issue ticket with long lifetime
ticket = lock.issue_ticket(10)
assert ticket == 0
assert not lock._ticket_for_ticket_number(ticket).has_expired()
# issue ticket with short lifetime
ticket = lock.issue_ticket(0.00001)
time.sleep(0.00002)
assert ticket == 1
assert lock._ticket_for_ticket_number(ticket) is None
# newly assigned ticket should get number 1 again
assert lock.issue_ticket(10) == 1
def _load_endpoints(self, endpoints: Optional[Text] = None):
"""加载enpoints文件"""
endpoints = AvailableEndpoints.read_endpoints(endpoints)
broker = EventBroker.create(endpoints.event_broker)
self.tracker_store = TrackerStore.create(endpoints.tracker_store,
event_broker=broker)
self.generator = endpoints.nlg
self.action_endpoint = endpoints.action
self.lock_store = LockStore.create(endpoints.lock_store)
async def _load_agent(
model_path: Optional[Text] = None,
model_server: Optional[EndpointConfig] = None,
remote_storage: Optional[Text] = None,
endpoints: Optional[AvailableEndpoints] = None,
lock_store: Optional[LockStore] = None,
) -> Agent:
try:
tracker_store = None
generator = None
action_endpoint = None
if endpoints:
_broker = rasa.core.brokers.utils.from_endpoint_config(
endpoints.event_broker)
tracker_store = TrackerStore.find_tracker_store(
None, endpoints.tracker_store, _broker)
generator = endpoints.nlg
action_endpoint = endpoints.action
if not lock_store:
lock_store = LockStore.find_lock_store(endpoints.lock_store)
loaded_agent = await load_agent(
model_path,
model_server,
remote_storage,
generator=generator,
tracker_store=tracker_store,
lock_store=lock_store,
action_endpoint=action_endpoint,
)
except Exception as e:
logger.debug(traceback.format_exc())
raise ErrorResponse(
500, "LoadingError",
"An unexpected error occurred. Error: {}".format(e))
if not loaded_agent:
raise ErrorResponse(
400,
"BadRequest",
"Agent with name '{}' could not be loaded.".format(model_path),
{
"parameter": "model",
"in": "query"
},
)
return loaded_agent
async def _load_agent(
model_path: Optional[Text] = None,
model_server: Optional[EndpointConfig] = None,
remote_storage: Optional[Text] = None,
endpoints: Optional[AvailableEndpoints] = None,
lock_store: Optional[LockStore] = None,
) -> Agent:
try:
tracker_store = None
generator = None
action_endpoint = None
if endpoints:
broker = await EventBroker.create(endpoints.event_broker)
tracker_store = TrackerStore.create(
endpoints.tracker_store, event_broker=broker
)
generator = endpoints.nlg
action_endpoint = endpoints.action
if not lock_store:
lock_store = LockStore.create(endpoints.lock_store)
loaded_agent = await rasa.core.agent.load_agent(
model_path,
model_server,
remote_storage,
generator=generator,
tracker_store=tracker_store,
lock_store=lock_store,
action_endpoint=action_endpoint,
)
except Exception as e:
logger.debug(traceback.format_exc())
raise ErrorResponse(
HTTPStatus.INTERNAL_SERVER_ERROR,
"LoadingError",
f"An unexpected error occurred. Error: {e}",
)
if not loaded_agent:
raise ErrorResponse(
HTTPStatus.BAD_REQUEST,
"BadRequest",
f"Agent with name '{model_path}' could not be loaded.",
{"parameter": "model", "in": "query"},
)
return loaded_agent
def create_agent(model: Text, endpoints: Text = None) -> "Agent":
from rasa.core.tracker_store import TrackerStore
from rasa.core.utils import AvailableEndpoints
from rasa.core.agent import Agent
from rasa.core.brokers.broker import EventBroker
_endpoints = AvailableEndpoints.read_endpoints(endpoints)
_broker = EventBroker.create(_endpoints.event_broker)
_tracker_store = TrackerStore.create(_endpoints.tracker_store, event_broker=_broker)
_lock_store = LockStore.create(_endpoints.lock_store)
return Agent.load(
model,
generator=_endpoints.nlg,
tracker_store=_tracker_store,
lock_store=_lock_store,
action_endpoint=_endpoints.action,
)
def create_agent(model: Text, endpoints: Text = None) -> "Agent":
from rasa.core.tracker_store import TrackerStore
import rasa.core.brokers.utils as broker_utils
from rasa.core.utils import AvailableEndpoints
from rasa.core.agent import Agent
_endpoints = AvailableEndpoints.read_endpoints(endpoints)
_broker = broker_utils.from_endpoint_config(_endpoints.event_broker)
_tracker_store = TrackerStore.find_tracker_store(
None, _endpoints.tracker_store, _broker
)
_lock_store = LockStore.find_lock_store(_endpoints.lock_store)
return Agent.load(
model,
generator=_endpoints.nlg,
tracker_store=_tracker_store,
lock_store=_lock_store,
action_endpoint=_endpoints.action,
)
def test_serve_ticket(lock_store: LockStore):
conversation_id = "my id 1"
lock = lock_store.create_lock(conversation_id)
lock_store.save_lock(lock)
# issue ticket with long lifetime
ticket_0 = lock_store.issue_ticket(conversation_id, 10)
assert ticket_0 == 0
lock = lock_store.get_lock(conversation_id)
assert lock.last_issued == ticket_0
assert lock.now_serving == ticket_0
assert lock.is_someone_waiting()
# issue another ticket
ticket_1 = lock_store.issue_ticket(conversation_id, 10)
# finish serving ticket_0
lock_store.finish_serving(conversation_id, ticket_0)
lock = lock_store.get_lock(conversation_id)
assert lock.last_issued == ticket_1
assert lock.now_serving == ticket_1
assert lock.is_someone_waiting()
# serve second ticket and no one should be waiting
lock_store.finish_serving(conversation_id, ticket_1)
lock = lock_store.get_lock(conversation_id)
assert not lock.is_someone_waiting()
async def load_agent(
model_path: Optional[Text] = None,
model_server: Optional[EndpointConfig] = None,
remote_storage: Optional[Text] = None,
endpoints: Optional[AvailableEndpoints] = None,
loop: Optional[AbstractEventLoop] = None,
) -> Agent:
"""Loads agent from server, remote storage or disk.
Args:
model_path: Path to the model if it's on disk.
model_server: Configuration for a potential server which serves the model.
remote_storage: URL of remote storage for model.
endpoints: Endpoint configuration.
loop: Optional async loop to pass to broker creation.
Returns:
The instantiated `Agent` or `None`.
"""
from rasa.core.tracker_store import TrackerStore
from rasa.core.brokers.broker import EventBroker
tracker_store = None
lock_store = None
generator = None
action_endpoint = None
http_interpreter = None
if endpoints:
broker = await EventBroker.create(endpoints.event_broker, loop=loop)
tracker_store = TrackerStore.create(endpoints.tracker_store,
event_broker=broker)
lock_store = LockStore.create(endpoints.lock_store)
generator = endpoints.nlg
action_endpoint = endpoints.action
model_server = endpoints.model if endpoints.model else model_server
if endpoints.nlu:
http_interpreter = RasaNLUHttpInterpreter(endpoints.nlu)
agent = Agent(
generator=generator,
tracker_store=tracker_store,
lock_store=lock_store,
action_endpoint=action_endpoint,
model_server=model_server,
remote_storage=remote_storage,
http_interpreter=http_interpreter,
)
try:
if model_server is not None:
return await load_from_server(agent, model_server)
elif remote_storage is not None:
agent.load_model_from_remote_storage(model_path)
elif model_path is not None and os.path.exists(model_path):
try:
agent.load_model(model_path)
except ModelNotFound:
rasa.shared.utils.io.raise_warning(
f"No valid model found at {model_path}!")
else:
rasa.shared.utils.io.raise_warning(
"No valid configuration given to load agent. "
"Agent loaded with no model!")
return agent
except Exception as e:
logger.error(f"Could not load model due to {e}.")
return agent
