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🐛 fix(utils.py): refactor service initialization to improve readability and error handling

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✨ feat(utils.py): add session service factory and dependencies to support session management
This commit is contained in:
Gabriel Luiz Freitas Almeida 2023-10-03 12:49:17 -03:00
commit 98df4f2655
1 changed files with 32 additions and 22 deletions
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52
src/backend/langflow/services/utils.py
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@ -136,30 +136,40 @@ def initialize_services():
from langflow.services.task import factory as task_factory from langflow.services.task import factory as task_factory
from langflow.services.session import factory as session_service_factory # type: ignore from langflow.services.session import factory as session_service_factory # type: ignore
service_manager.register_factory(settings_factory.SettingsServiceFactory()) factory_and_dependencies = [
service_manager.register_factory( (settings_factory.SettingsServiceFactory(), []),
auth_factory.AuthServiceFactory(), dependencies=[ServiceType.SETTINGS_SERVICE] (
) auth_factory.AuthServiceFactory(),
service_manager.register_factory( [ServiceType.SETTINGS_SERVICE],
),
(
database_factory.DatabaseServiceFactory(), database_factory.DatabaseServiceFactory(),
dependencies=[ServiceType.SETTINGS_SERVICE], [ServiceType.SETTINGS_SERVICE],
) ),
service_manager.register_factory( (
cache_factory.CacheServiceFactory(), dependencies=[ServiceType.SETTINGS_SERVICE] cache_factory.CacheServiceFactory(),
) [ServiceType.SETTINGS_SERVICE],
service_manager.register_factory(chat_factory.ChatServiceFactory()) ),
(chat_factory.ChatServiceFactory(), []),
service_manager.register_factory(task_factory.TaskServiceFactory()) (task_factory.TaskServiceFactory(), []),
(
service_manager.register_factory(
session_service_factory.SessionServiceFactory(), session_service_factory.SessionServiceFactory(),
dependencies=[ServiceType.CACHE_SERVICE], [ServiceType.CACHE_SERVICE],
) ),
]
for factory, dependencies in factory_and_dependencies:
try:
service_manager.register_factory(factory, dependencies=dependencies)
except Exception as exc:
logger.exception(exc)
raise RuntimeError(
"Could not initialize services. Please check your settings."
) from exc
# Test cache connection # Test cache connection
service_manager.get(ServiceType.CACHE_SERVICE) service_manager.get(ServiceType.CACHE_SERVICE)
# Test database connection
service_manager.get(ServiceType.DATABASE_SERVICE)
# Setup the superuser # Setup the superuser
initialize_database() initialize_database()
session = next(get_session()) setup_superuser(
setup_superuser(service_manager.get(ServiceType.SETTINGS_SERVICE), session) service_manager.get(ServiceType.SETTINGS_SERVICE), next(get_session())
)