Langflow is a powerful tool for building and deploying AI-powered agents and workflows.
http://www.langflow.org
376e4cfdd3* ⬆️ (uv.lock): Update authlib version from 1.3.2 to 1.3.1 ⬆️ (uv.lock): Update httpx version from 0.27.2 to 0.27.0 ⬆️ (uv.lock): Add new package grpcio-health-checking version 1.62.3 ⬆️ (uv.lock): upgrade weaviate-client package from version 3.26.7 to 4.8.1 and add new dependencies grpcio, grpcio-health-checking, grpcio-tools, httpx, and pydantic. Update package source and distribution URLs accordingly. * ✨ (flows.py): Add pagination support for retrieving a list of flows to improve performance and user experience 📝 (flows.py): Update documentation to reflect changes made for pagination and additional query parameters 📝 (folders.py): Add a new endpoint to retrieve a folder with paginated flows for better organization and readability * ✨ (model.py): add PaginatedFlowResponse class to handle paginated flow responses in API calls * ✨ (test_database.py): add support for fetching all flows by adding "get_all" parameter to the request 🐛 (test_database.py): fix endpoint for fetching read-only starter projects to use correct URL path * packages changes * packages changes * 📝 (paginatorComponent/index.tsx): refactor PaginatorComponent to use constants for default values and improve code readability 🐛 (paginatorComponent/index.tsx): fix issue with setting maxPageIndex when pages prop is provided to PaginatorComponent * 🐛 (storeCardComponent): fix height of store card component to prevent overflow and improve layout aesthetics * ✨ (constants.ts): introduce new constants for search tabs, pagination settings, and store pagination settings to enhance user experience and improve functionality * ✨ (use-post-login-user.ts): add queryClient to UseRequestProcessor to enable refetching queries on mutation settled state 📝 (use-post-login-user.ts): update useLoginUser function to include onSettled callback in options to refetch queries after mutation settles * ✨ (use-get-basic-examples.ts): introduce a new query function to fetch basic examples of flows from the API and update the state with the fetched data. * ✨ (use-get-refresh-flows.ts): introduce new functionality to fetch and process flows with query parameters for components_only, get_all, folder_id, remove_example_flows, page, and size. This allows for more flexible and specific retrieval of flow data. * ✨ (use-get-folder.ts): Add support for pagination and filtering options in the useGetFolderQuery function to enhance flexibility and customization for fetching folder data. * 🔧 (use-get-folders.ts): Remove unused code related to refreshFlows and setStarterProjectId to improve code readability and maintainability ✨ (use-get-folders.ts): Update useGetFoldersQuery to setFolders with the fetched data instead of filtering out starter projects to simplify the logic and improve performance * ✨ (use-upload-flow.ts): update refreshFlows function call to include an object with get_all property set to true to fetch all flows when refreshing * 🔧 (codeAreaModal/index.tsx): remove unused import postCustomComponent to clean up code and improve readability * 📝 (AdminPage/index.tsx): Update initial page size and index values to use constants for better maintainability 📝 (AdminPage/index.tsx): Update resetFilter function to set page size and index using constants for consistency 📝 (AdminPage/index.tsx): Update logic to handle loading state and empty user list based on isIdle state for better user experience 📝 (AdminPage/index.tsx): Update PaginatorComponent props to use constant for rows count and simplify paginate function assignment * ✨ (AppInitPage/index.tsx): introduce new queries to fetch basic examples and folders data for improved functionality and user experience * ✨ (FlowPage/index.tsx): update refreshFlows function call to include a parameter to get all flows at once for better performance. * ✨ (frontend): introduce flowsPagination and setFlowsPagination functions to manage pagination for flows in the UtilityStoreType * ✨ (frontend): introduce new 'folders' and 'setFolders' properties to FoldersStoreType to manage folder data efficiently * ✨ (types.ts): introduce Pagination type to define structure for pagination data in frontend application * ✨ (frontend): introduce PaginatedFlowsType to represent paginated flow data structure in the application. * ✨ (frontend): add optional 'pages' property to PaginatorComponentType to allow customization of the number of pages displayed in the paginator * ✨ (utilityStore.ts): introduce flowsPagination object with default values for page and size to manage pagination in the utility store * ✨ (foldersStore.tsx): introduce new state 'folders' and setter function 'setFolders' to manage folder data in the store * ✨ (ViewPage/index.tsx): update refreshFlows function call to include a parameter to get all flows at once, improving efficiency and reducing unnecessary calls to the backend. * 📝 (StorePage/index.tsx): update constants import to include new pagination constants for better organization ♻️ (StorePage/index.tsx): refactor pagination logic to use new pagination constants for clarity and consistency throughout the file * ✨ (componentsComponent/index.tsx): Add support for pagination feature in ComponentsComponent to improve user experience and performance. * ✨ (myCollectionComponent/index.tsx): introduce pagination and search functionality to improve user experience and data handling in the MyCollectionComponent component * ✨ (Playground/index.tsx): Update refreshFlows function call to include a parameter to get all flows at once for better performance. * ✨ (entities/index.tsx): introduce PaginatedFolderType to represent a folder with pagination information for better organization and handling of paginated data. * ✨ (headerTabsSearchComponent/index.tsx): add support for changing tabs and searching functionality in headerTabsSearchComponent 📝 (headerTabsSearchComponent/index.tsx): update tabsOptions to use constant SEARCH_TABS for consistency and reusability * 📝 (folders.py): Remove redundant import and unused code related to FolderWithPaginatedFlows class 🔧 (folders.py): Update query conditions to use explicit boolean values instead of implicit truthiness for better clarity and readability * 📝 (folders.py): reorganize imports to improve readability and maintain consistency * 📝 (flows.py): import FlowSummary model to support new functionality in the API 📝 (flows.py): add header_flows parameter to read_flows function to return a simplified list of flows if set to true * 📝 (folders.py): remove unnecessary empty line to improve code readability * ✨ (model.py): introduce new FlowSummary class to represent a summary of flow data for better organization and readability * ✨ (pagination_model.py): introduce a new model 'FolderWithPaginatedFlows' to represent a folder with paginated flows for better organization and readability. * 📝 (cardComponent/index.tsx): add missing semicolon to improve code consistency ♻️ (cardComponent/index.tsx): refactor logic to use data parameter directly instead of fetching flow by id to simplify code and improve readability * ✨ (use-get-refresh-flows.ts): introduce new query parameter 'header_flows' to support fetching header flows in API requests. * ✨ (use-get-folders.ts): add functionality to refresh flows when fetching folders to ensure data consistency and up-to-date information. * ✨ (use-upload-flow.ts): add support for fetching header flows along with all flows when refreshing flows in useUploadFlow hook * ✨ (use-redirect-flow-card-click.tsx): introduce a new custom hook 'useFlowCardClick' to handle flow card click events in the newFlowModal component. This hook utilizes react-router-dom for navigation, custom analytics tracking, and various utility functions to manage flow data and update the UI. * ✨ (NewFlowCardComponent/index.tsx): refactor onClick event handler into a separate function handleClick for better readability and maintainability * 📝 (undrawCards/index.tsx): Remove unused imports and variables to clean up the code ♻️ (undrawCards/index.tsx): Refactor onClick event handler to use a separate function for handling flow card click events * ✨ (flowsManager/index.ts): introduce new state and setter for flowToCanvas to manage the flow displayed on canvas * ✨ (flowsManagerStore.ts): introduce new feature to set and update the flow to be displayed on the canvas asynchronously * ✨ (ViewPage/index.tsx): add support for fetching header flows along with all flows when refreshing data to improve data retrieval efficiency * ✨ (collectionCard/index.tsx): introduce useFlowsManagerStore to manage flows in the application 📝 (collectionCard/index.tsx): update handleClick function to set flow to canvas before navigating to editFlowLink * ✨ (Playground/index.tsx): add support for fetching header flows along with all flows when refreshing data in the Playground page. * 🐛 (FlowPage/index.tsx): Fix setCurrentFlow logic to correctly set the current flow based on flowToCanvas value. Add flowToCanvas dependency to useEffect to ensure proper rendering. * ✨ (use-get-flow.ts): introduce a new file to handle API queries for fetching flow data in the frontend application. This file defines a custom hook 'useGetFlow' that makes a GET request to the API endpoint to retrieve flow data based on the provided flow ID. * 📝 (flows.py): update import statement to use FlowHeader instead of FlowSummary for better clarity 📝 (flows.py): update response_model in read_flows endpoint to use FlowHeader for consistency and clarity * ✨ (model.py): rename FlowSummary class to FlowHeader for better clarity and consistency in naming conventions 📝 (model.py): add is_component field to FlowHeader class to indicate if the flow is a component or not * ✨ (use-get-folder.ts): introduce processFlows function to process flows data 📝 (use-get-folder.ts): add cloneDeep function to safely clone data before processing * 🔧 (use-get-refresh-flows.ts): refactor useGetRefreshFlows function to simplify processing of dbDataFlows and update state accordingly * ✨ (FlowPage/index.tsx): Add useGetFlow hook to fetch flow data and update current flow on canvas. Add getFlowToAddToCanvas function to handle fetching and setting flow data on canvas. * ✨ (nodeToolbarComponent/index.tsx): improve user experience by automatically closing the override modal after successful flow override * ✨ (use-post-login-user.ts): add queryClient.refetchQueries for "useGetTags" after successful login to update tags data in the frontend. * ✨ (use-get-flow.ts): add processFlows function to process flow data before returning it to improve code readability and maintainability * 🐛 (use-get-refresh-flows.ts): fix asynchronous flow to correctly handle data retrieval and processing before setting state and returning flows * ✨ (use-get-tags.ts): add functionality to set tags in utility store after fetching them from the API * 📝 (shareModal/index.tsx): Update import statement for useUtilityStore to improve code organization and readability 🔧 (shareModal/index.tsx): Replace useGetTagsQuery with useUtilityStore to manage tags state and remove unnecessary API call for tags data 🔧 (shareModal/index.tsx): Replace references to data with tags variable to ensure consistency and avoid potential bugs 🔧 (shareModal/index.tsx): Update TagsSelector component to use tags variable instead of data for better data management * ✨ (AppInitPage/index.tsx): introduce useGetTagsQuery to fetch tags data from the store API for AppInitPage. * ✨ (StorePage/index.tsx): refactor to use useUtilityStore for tags state management instead of useGetTagsQuery for better separation of concerns and code organization. Update TagsSelector component to use tags from useUtilityStore hook. * ✨ (frontend): introduce Tag type to UtilityStoreType and add tags and setTags functions to manage tags in the store. * ✨ (types.ts): introduce new Tag type to represent a tag with id and name properties * ✨ (utilityStore.ts): introduce new 'tags' array and 'setTags' function to manage tags in the utility store * 📝 (App.css): add a blank line for better readability and consistency in the CSS file * ✨ (test_database.py): add pagination support for reading flows and folders to improve data retrieval efficiency and user experience * ✨ (tabsComponent/index.tsx): refactor changeLocation function to use useCallback hook for better performance and stability ✨ (tabsComponent/index.tsx): update onClick event handler to directly call changeLocation function for cleaner code and improved readability * ✨ (headerTabsSearchComponent/index.tsx): refactor handleChangeTab, handleSearch, handleInputChange, and handleKeyDown functions to use useCallback for better performance and memoization 📝 (headerTabsSearchComponent/index.tsx): update tabActive prop to use the activeTab prop passed from parent component for consistency and clarity * ✨ (myCollectionComponent/index.tsx): refactor filter state initialization to dynamically set based on current location pathname ♻️ (myCollectionComponent/index.tsx): refactor onSearch and onChangeTab functions to use useCallback for better performance and memoization * ✨ (create-query-param-string.ts): introduce a new utility function to build query parameter strings for URLs in the frontend controllers. * ✨ (use-get-folder.ts): introduce buildQueryStringUrl function to create query parameter strings for API requests 📝 (use-get-folder.ts): add comments to explain the purpose of the code and improve code readability 🔧 (use-get-folder.ts): update useGetFolderQuery function to include additional configuration options for the query, such as refetchOnWindowFocus: false * ✨ (use-delete-folders.ts): add functionality to update local store after deleting a folder to keep it in sync with the server data * 📝 (use-post-add-flow.ts): import useFolderStore to access myCollectionId state for refetching queries with the correct folder_id 🐛 (use-post-add-flow.ts): fix queryClient.refetchQueries to include the correct queryKey with folder_id or myCollectionId if response.folder_id is null * ✨ (use-get-refresh-flows.ts): refactor addQueryParams function to use buildQueryStringUrl utility function for better code readability and maintainability * ♻️ (flows.py): remove unnecessary commented out code and add pagination functionality to the router for better code organization and readability * 🔧 (NodeDescription/index.tsx): remove console.log statement for better code cleanliness and readability * ✨ (index.tsx): Add DialogClose component from @radix-ui/react-dialog to handle cancel action in ConfirmationModal. Refactor handleCancel function to improve code readability and maintainability. * ♻️ (use-redirect-flow-card-click.tsx): remove unused setFlowToCanvas function to clean up code and improve maintainability * 📝 (use-patch-update-flow.ts): update onSettled callback to refetch useGetFolders query with the updated folder_id after patching a flow * 🔧 (use-delete-folders.ts): update onSettled function to correctly refetch queries with the specific folder id when deleting folders * ✨ (use-get-folder.ts): update useGetFolderQuery to include additional query parameters for pagination and filtering options * 🔧 (use-post-upload-to-folder.ts): update onSettled callback to refetch useGetFolders query with the correct queryKey and folder_id parameter * ✨ (use-add-flow.ts): add functionality to refresh flows after adding a new flow to ensure the UI is up to date with the latest data. * ✨ (AppInitPage/index.tsx): enable fetching basic examples and tags only when isFetched is true to improve performance and reduce unnecessary API calls * ✨ (myCollectionComponent/index.tsx): refactor onPaginate function to handlePageChange callback for better code organization and readability. Update key prop in ComponentsComponent to include filter and search variables for proper re-rendering. * ✨ (use-get-folder.ts): add placeholderData option to useGetFolderQuery to provide initial data while fetching folder information * [autofix.ci] apply automated fixes * 🐛 (use-post-upload-to-folder.ts): fix queryKey values to correctly refetch queries after uploading a file to a folder * ⬆️ (folders.spec.ts): increase timeout for waiting in test to improve reliability and prevent flakiness * ✨ (folders.spec.ts): update selectors to target specific elements by using the first() method to improve test reliability * ✅ (auto-save-off.spec.ts): update test to match changes in UI for auto-save feature and improve test coverage for hover functionality. * 📝 (model.py): update model fields to set default values for folder_id, is_component, endpoint_name, and description to None for consistency and clarity * ♻️ (index.tsx): refactor isUpdatingFolder logic to include isFetchingFolder variable for better accuracy and readability * 🐛 (index.tsx): fix variable name typo in isLoadingFolder assignment to correctly reference isFetchingFolder * 🐛 (use-patch-update-flow.ts): fix issue with missing closing parenthesis in queryClient.refetchQueries() method 📝 (use-patch-update-flow.ts): update queryKey in queryClient.refetchQueries() to ["useGetFolder"] to correctly refetch the folder data after updating a flow * ✨ (use-save-flow.ts): add support for fetching flow data before saving if not already present to ensure data consistency and accuracy * ✅ (folders.spec.ts): update selectors to target specific elements correctly for testing purposes * ✨ (use-on-file-drop.tsx): add support for checking flow names in a specific collection to prevent duplicates ♻️ (use-add-flow.ts): refactor to use the same logic for checking flow names in a specific collection to prevent duplicates * ✨ (index.tsx): Add useIsMutating hook to check if a folder is being deleted to update UI accordingly ♻️ (index.tsx): Refactor logic to determine if a folder is being updated to include check for folder deletion 🔧 (index.tsx): Refactor Select component to use a separate function for handling value change 🔧 (index.tsx): Refactor Button components to disable based on separate variables for first and last page 🔧 (index.ts): Remove unused import and refactor code to use useRef hook for storing the latest folder id in useGetFolderQuery --------- Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com> |
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Langflow is a low-code app builder for RAG and multi-agent AI applications. It’s Python-based and agnostic to any model, API, or database.
Docs - Free Cloud Service - Self Managed
✨ Core features
- Python-based and agnostic to models, APIs, data sources, or databases.
- Visual IDE for drag-and-drop building and testing of workflows.
- Playground to immediately test and iterate workflows with step-by-step control.
- Multi-agent orchestration and conversation management and retrieval.
- Free cloud service to get started in minutes with no setup.
- Publish as an API or export as a Python application.
- Observability with LangSmith, LangFuse, or LangWatch integration.
- Enterprise-grade security and scalability with free DataStax Langflow cloud service.
- Customize workflows or create flows entirely just using Python.
- Ecosystem integrations as reusable components for any model, API or database.
📦 Quickstart
- Install with pip (Python 3.10 or greater):
pip install langflow
- Cloud: DataStax Langflow is a hosted environment with zero setup. Sign up for a free account.
- Self-managed: Run Langflow in your environment. Install Langflow to run a local Langflow server, and then use the Quickstart guide to create and execute a flow.
- Hugging Face: Clone the space using this link to create a Langflow workspace.
⭐ Stay up-to-date
Star Langflow on GitHub to be instantly notified of new releases.
👋 Contribute
We welcome contributions from developers of all levels. If you'd like to contribute, please check our contributing guidelines and help make Langflow more accessible.