✨ feat(process.py): introduce SessionManager to handle loading and updating langchain_object sessions
🐛 fix(process.py): update cache with the updated langchain_object after processing graph
🐛 fix(celeryconfig.py): fix condition to check if BROKER_URL and RESULT_BACKEND are present in os.environ before using them, fallback to langflow_redis_host and langflow_redis_port if not present
🔧 fix(worker.py): refactor process_graph_cached into process_graph_cached_task and update function signature and implementation to use SessionManager for loading and updating the graph
✨ feat(manager.py): add initialization for session manager and its dependencies (cache manager and settings manager) to enable session management functionality
🐛 fix(test_process.py): refactor test_load_langchain_object_with_cached_session to use session_manager
🐛 fix(test_process.py): refactor test_load_langchain_object_with_no_cached_session to use session_manager
🐛 fix(test_process.py): refactor test_load_langchain_object_without_session_id to use session_manager
✨ feat(base.Dockerfile): add healthcheck for queue and celeryworker services to ensure their availability
✨ feat(docker-compose.yml): add healthcheck for queue, celeryworker, and flower services to ensure their availability
🐛 fix(docker-compose.yml): fix the path in the command for backend service startup
🐛 fix(flower.env): add missing double quote at the end of C_FORCE_ROOT value
🐛 fix(startup-backend.sh): remove unnecessary --reload flag from uvicorn command and add --workers -1 flag to utilize all available CPU cores
🔧 chore(docker-compose.yml): update Redis image version to 7.2.0 for the queue service
🔧 chore(docker-compose.yml): update command for the flower service to use environment variables for Redis connection details
🔧 chore(flower.env): add LANGFLOW_REDIS_PASSWORD environment variable
✨ feat(manager.py): add support for handling service dependencies when creating services
🔧 chore(manager.py): comment out validation for creating services before the settings service
🔧 chore(utils.py): add get_session_manager() function to retrieve the session manager service
🔀 merge(manager.py): refactor _get method to extract logic into _get_without_lock method for code reuse and readability
🔀 merge(manager.py): refactor set method to use _get_without_lock method for code reuse and readability
🔀 merge(manager.py): add lock acquisition in delete method to ensure thread safety
🔀 merge(utils.py): add update_cache method to Memoize class for updating cache values
- Added `SessionManagerFactory` class in `src/backend/langflow/services/session/factory.py` to create instances of `SessionManager`.
- Added `SessionManager` class in `src/backend/langflow/services/session/manager.py` to manage sessions.
- Added `load_session`, `generate_key`, `update_session`, and `clear_session` methods to `SessionManager` to handle session-related logic.
These changes were made to introduce session management functionality to the application.
🐛 fix(cache/factory.py): change variable name from settings_service to settings_manager for consistency and clarity
🐛 fix(database/factory.py): change variable name from settings_service to settings_manager for consistency and clarity
✨ feat(worker.py): add import statement for SoftTimeLimitExceeded exception from celery.exceptions module to handle SoftTimeLimitExceeded error in build_vertex task
🔀 refactor(base.py): refactor the build method in Vertex class to improve readability and remove redundant code
✨ feat(base.py): add get_task method to Vertex class to retrieve the task from celery using task_id
✨ feat(manager.py): add check to prevent duplicate registration of service factories in ServiceManager class
✨ feat(manager.py): add initialize_settings_manager() function to initialize the settings manager
🐛 fix(test_cache.py): fix clear_cache function call by passing session_id parameter
🐛 fix(test_cache_manager.py): import CacheManager from langflow.services.chat.cache module instead of langflow.services.cache.manager
🐛 fix(test_cli.py): convert temp_dir to string before checking if it is in COMPONENTS_PATH
🐛 fix(test_process.py): fix clear_cache function call by passing session_id parameter
🔧 chore(process.py): replace deprecated build_sorted_vertices_with_caching.hash with build_sorted_vertices_with_caching.session_id to fix incorrect session_id assignment
🔧 chore(utils.py): add get_cache_manager function to retrieve the cache manager from the service manager
🐛 fix(schemas.py): change type annotation of session_id field in ProcessResponse schema to Optional[str] to allow for None value
🐛 fix(run.py): change return type annotation of build_sorted_vertices_with_caching function to Tuple[Any, Dict] to specify the return types
🐛 fix(process.py): change return type annotation of load_langchain_object function to Tuple[Union[Chain, VectorStore], Dict[str, Any], str] to include the session_id value in the return tuple
✨ feat(process.py): add clear_caches_if_needed function to clear cache if clear_cache flag is set
✨ feat(process.py): add load_langchain_object function to load langchain_object and artifacts from data_graph
✨ feat(process.py): add process_inputs function to process inputs and add artifacts to inputs
✨ feat(process.py): add generate_result function to generate result and thought based on langchain_object and inputs
This pull request aims to perform a comprehensive type refactor across
the project, enhancing type safety and improving code clarity. The
changes introduced in this PR will lead to better maintainability,
reduced bugs related to type-related issues, and increased overall code
quality.
fix(authContext): fix TypeScript error by setting initial value of userData to null
fix(tsconfig.json): enable strict mode in TypeScript compiler for better type checking and error detection
The logic for getting the chat input field has been simplified by removing unnecessary checks and using optional chaining. This improves readability and reduces the complexity of the code.
