Merge branch 'zustand/io/migration' of personal:logspace-ai/langflow into zustand/io/migration

src/backend/langflow/api/v1/base.py

@@ -86,9 +86,7 @@ def validate_prompt(template: str):
     # Check if there are invalid characters in the input_variables
     input_variables = check_input_variables(input_variables)
     if any(var in INVALID_NAMES for var in input_variables):
-        raise ValueError(
+        raise ValueError(f"Invalid input variables. None of the variables can be named {', '.join(input_variables)}. ")
-            f"Invalid input variables. None of the variables can be named {', '.join(input_variables)}. "
-        )
 
     try:
         PromptTemplate(template=template, input_variables=input_variables)
@@ -123,9 +121,7 @@ def fix_variable(var, invalid_chars, wrong_variables):
     # Handle variables starting with a number
     if var[0].isdigit():
         invalid_chars.append(var[0])
-        new_var, invalid_chars, wrong_variables = fix_variable(
+        new_var, invalid_chars, wrong_variables = fix_variable(var[1:], invalid_chars, wrong_variables)
-            var[1:], invalid_chars, wrong_variables
-        )
 
     # Temporarily replace {{ and }} to avoid treating them as invalid
     new_var = new_var.replace("{{", "ᴛᴇᴍᴘᴏᴘᴇɴ").replace("}}", "ᴛᴇᴍᴘᴄʟᴏsᴇ")
@@ -152,9 +148,7 @@ def check_variable(var, invalid_chars, wrong_variables, empty_variables):
     return wrong_variables, empty_variables
 
 
-def check_for_errors(
+def check_for_errors(input_variables, fixed_variables, wrong_variables, empty_variables):
-    input_variables, fixed_variables, wrong_variables, empty_variables
-):
     if any(var for var in input_variables if var not in fixed_variables):
         error_message = (
             f"Error: Input variables contain invalid characters or formats. \n"
@@ -179,17 +173,11 @@ def check_input_variables(input_variables):
         if is_json_like(var):
             continue
 
-        new_var, wrong_variables, empty_variables = fix_variable(
+        new_var, wrong_variables, empty_variables = fix_variable(var, invalid_chars, wrong_variables)
-            var, invalid_chars, wrong_variables
+        wrong_variables, empty_variables = check_variable(var, INVALID_CHARACTERS, wrong_variables, empty_variables)
-        )
-        wrong_variables, empty_variables = check_variable(
-            var, INVALID_CHARACTERS, wrong_variables, empty_variables
-        )
         fixed_variables.append(new_var)
         variables_to_check.append(var)
 
-    check_for_errors(
+    check_for_errors(variables_to_check, fixed_variables, wrong_variables, empty_variables)
-        variables_to_check, fixed_variables, wrong_variables, empty_variables
-    )
 
     return fixed_variables

src/backend/langflow/api/v1/callback.py

@@ -33,9 +33,7 @@ class AsyncStreamingLLMCallbackHandleSIO(AsyncCallbackHandler):
         resp = ChatResponse(message=token, type="stream", intermediate_steps="")
         await self.socketio_service.emit_token(to=self.sid, data=resp.model_dump())
 
-    async def on_tool_start(
+    async def on_tool_start(self, serialized: Dict[str, Any], input_str: str, **kwargs: Any) -> Any:
-        self, serialized: Dict[str, Any], input_str: str, **kwargs: Any
-    ) -> Any:
         """Run when tool starts running."""
         resp = ChatResponse(
             message="",
@@ -73,9 +71,7 @@ class AsyncStreamingLLMCallbackHandleSIO(AsyncCallbackHandler):
         try:
             # This is to emulate the stream of tokens
             for resp in resps:
-                await self.socketio_service.emit_token(
+                await self.socketio_service.emit_token(to=self.sid, data=resp.model_dump())
-                    to=self.sid, data=resp.model_dump()
-                )
         except Exception as exc:
             logger.error(f"Error sending response: {exc}")
 
@@ -101,9 +97,7 @@ class AsyncStreamingLLMCallbackHandleSIO(AsyncCallbackHandler):
             resp = PromptResponse(
                 prompt=text,
             )
-            await self.socketio_service.emit_message(
+            await self.socketio_service.emit_message(to=self.sid, data=resp.model_dump())
-                to=self.sid, data=resp.model_dump()
-            )
 
     async def on_agent_action(self, action: AgentAction, **kwargs: Any):
         log = f"Thought: {action.log}"
@@ -113,9 +107,7 @@ class AsyncStreamingLLMCallbackHandleSIO(AsyncCallbackHandler):
             logs = log.split("\n")
             for log in logs:
                 resp = ChatResponse(message="", type="stream", intermediate_steps=log)
-                await self.socketio_service.emit_token(
+                await self.socketio_service.emit_token(to=self.sid, data=resp.model_dump())
-                    to=self.sid, data=resp.model_dump()
-                )
         else:
             resp = ChatResponse(message="", type="stream", intermediate_steps=log)
             await self.socketio_service.emit_token(to=self.sid, data=resp.model_dump())

src/backend/langflow/api/v1/chat.py

@@ -101,12 +101,8 @@ async def build_vertex(
         cache = chat_service.get_cache(flow_id)
         if not cache:
             # If there's no cache
-            logger.warning(
+            logger.warning(f"No cache found for {flow_id}. Building graph starting at {vertex_id}")
-                f"No cache found for {flow_id}. Building graph starting at {vertex_id}"
+            graph = build_and_cache_graph(flow_id=flow_id, session=next(get_session()), chat_service=chat_service)
-            )
-            graph = build_and_cache_graph(
-                flow_id=flow_id, session=next(get_session()), chat_service=chat_service
-            )
         else:
             graph = cache.get("result")
         result_data_response = ResultDataResponse(results={})
@@ -126,9 +122,7 @@ async def build_vertex(
             else:
                 raise ValueError(f"No result found for vertex {vertex_id}")
             next_vertices_ids = vertex.successors_ids
-            next_vertices_ids = [
+            next_vertices_ids = [v for v in next_vertices_ids if graph.should_run_vertex(v)]
-                v for v in next_vertices_ids if graph.should_run_vertex(v)
-            ]
 
             result_data_response = ResultDataResponse(**result_dict.model_dump())
 
@@ -211,9 +205,7 @@ async def build_vertex_stream(
                     else:
                         graph = cache.get("result")
                 else:
-                    session_data = await session_service.load_session(
+                    session_data = await session_service.load_session(session_id, flow_id=flow_id)
-                        session_id, flow_id=flow_id
-                    )
                     graph, artifacts = session_data if session_data else (None, None)
                     if not graph:
                         raise ValueError(f"No graph found for {flow_id}.")

src/backend/langflow/api/v1/endpoints.py

@@ -52,9 +52,7 @@ def get_all(
         raise HTTPException(status_code=500, detail=str(exc)) from exc
 
 
-@router.post(
+@router.post("/run/{flow_id}", response_model=RunResponse, response_model_exclude_none=True)
-    "/run/{flow_id}", response_model=RunResponse, response_model_exclude_none=True
-)
 async def run_flow_with_caching(
     session: Annotated[Session, Depends(get_session)],
     flow_id: str,
@@ -113,9 +111,7 @@ async def run_flow_with_caching(
             outputs = []
 
         if session_id:
-            session_data = await session_service.load_session(
+            session_data = await session_service.load_session(session_id, flow_id=flow_id)
-                session_id, flow_id=flow_id
-            )
             graph, artifacts = session_data if session_data else (None, None)
             task_result: Any = None
             if not graph:
@@ -134,11 +130,7 @@ async def run_flow_with_caching(
         else:
             # Get the flow that matches the flow_id and belongs to the user
             # flow = session.query(Flow).filter(Flow.id == flow_id).filter(Flow.user_id == api_key_user.id).first()
-            flow = session.exec(
+            flow = session.exec(select(Flow).where(Flow.id == flow_id).where(Flow.user_id == api_key_user.id)).first()
-                select(Flow)
-                .where(Flow.id == flow_id)
-                .where(Flow.user_id == api_key_user.id)
-            ).first()
             if flow is None:
                 raise ValueError(f"Flow {flow_id} not found")
 
@@ -162,18 +154,12 @@ async def run_flow_with_caching(
         # StatementError('(builtins.ValueError) badly formed hexadecimal UUID string')
         if "badly formed hexadecimal UUID string" in str(exc):
             # This means the Flow ID is not a valid UUID which means it can't find the flow
-            raise HTTPException(
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
-                status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)
-            ) from exc
     except ValueError as exc:
         if f"Flow {flow_id} not found" in str(exc):
-            raise HTTPException(
+            raise HTTPException(status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)) from exc
-                status_code=status.HTTP_404_NOT_FOUND, detail=str(exc)
-            ) from exc
         else:
-            raise HTTPException(
+            raise HTTPException(status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(exc)) from exc
-                status_code=status.HTTP_500_INTERNAL_SERVER_ERROR, detail=str(exc)
-            ) from exc
 
 
 @router.post(
@@ -202,8 +188,7 @@ async def process(
     """
     # Raise a depreciation warning
     logger.warning(
-        "The /process endpoint is deprecated and will be removed in a future version. "
+        "The /process endpoint is deprecated and will be removed in a future version. " "Please use /run instead."
-        "Please use /run instead."
     )
     raise HTTPException(
         status_code=status.HTTP_400_BAD_REQUEST,
@@ -275,16 +260,12 @@ async def custom_component(
 
     built_frontend_node = build_custom_component_template(component, user_id=user.id)
 
-    built_frontend_node = update_frontend_node_with_template_values(
+    built_frontend_node = update_frontend_node_with_template_values(built_frontend_node, raw_code.frontend_node)
-        built_frontend_node, raw_code.frontend_node
-    )
     return built_frontend_node
 
 
 @router.post("/custom_component/reload", status_code=HTTPStatus.OK)
-async def reload_custom_component(
+async def reload_custom_component(path: str, user: User = Depends(get_current_active_user)):
-    path: str, user: User = Depends(get_current_active_user)
-):
     from langflow.interface.custom.utils import build_custom_component_template
 
     try:

src/backend/langflow/api/v1/flows.py

@@ -57,20 +57,22 @@ def read_flows(
     try:
         auth_settings = settings_service.auth_settings
         if auth_settings.AUTO_LOGIN:
-            flows = session.exec(select(Flow).where(Flow.user_id == None)).all()
+            flows = session.exec(select(Flow).where(Flow.user_id == None | Flow.user_id == current_user.id)).all()  # noqa
         else:
             flows = current_user.flows
 
         flows = validate_is_component(flows)
+        flow_ids = [flow.id for flow in flows]
         # with the session get the flows that DO NOT have a user_id
         try:
             example_flows = session.exec(
                 select(Flow).where(
-                    Flow.user_id == None, Flow.folder == STARTER_FOLDER_NAME
+                    Flow.user_id == None,
+                    Flow.folder == STARTER_FOLDER_NAME,  # noqa
                 )
             ).all()  # noqa
             for example_flow in example_flows:
-                if example_flow not in flows:
+                if example_flow.id not in flow_ids:
                     flows.append(example_flow)
         except Exception as e:
             logger.error(e)
@@ -89,15 +91,14 @@ def read_flow(
 ):
     """Read a flow."""
     auth_settings = settings_service.auth_settings
+    stmt = select(Flow).where(Flow.id == flow_id)
     if auth_settings.AUTO_LOGIN:
-        user_id = None
+        # If auto login is enable user_id can be current_user.id or None
-    else:
+        # so write an OR
-        user_id = current_user.id
+        stmt = stmt.where(
-    if user_flow := (
+            (Flow.user_id == current_user.id) | (Flow.user_id == None)  # noqa
-        session.exec(
+        )  # noqa
-            select(Flow).where(Flow.id == flow_id, Flow.user_id == user_id)
+    if user_flow := session.exec(stmt).first():
-        ).first()
-    ):
         return user_flow
     else:
         raise HTTPException(status_code=404, detail="Flow not found")

src/backend/langflow/api/v1/schemas.py

@@ -158,9 +158,7 @@ class StreamData(BaseModel):
     data: dict
 
     def __str__(self) -> str:
-        return (
+        return f"event: {self.event}\ndata: {orjson_dumps(self.data, indent_2=False)}\n\n"
-            f"event: {self.event}\ndata: {orjson_dumps(self.data, indent_2=False)}\n\n"
-        )
 
 
 class CustomComponentCode(BaseModel):

src/backend/langflow/api/v1/validate.py

@@ -41,9 +41,7 @@ def post_validate_prompt(prompt_request: ValidatePromptRequest):
 
         add_new_variables_to_template(input_variables, prompt_request)
 
-        remove_old_variables_from_template(
+        remove_old_variables_from_template(old_custom_fields, input_variables, prompt_request)
-            old_custom_fields, input_variables, prompt_request
-        )
 
         update_input_variables_field(input_variables, prompt_request)
 
@@ -58,19 +56,12 @@ def post_validate_prompt(prompt_request: ValidatePromptRequest):
 
 def get_old_custom_fields(prompt_request):
     try:
-        if (
+        if len(prompt_request.frontend_node.custom_fields) == 1 and prompt_request.name == "":
-            len(prompt_request.frontend_node.custom_fields) == 1
-            and prompt_request.name == ""
-        ):
             # If there is only one custom field and the name is empty string
             # then we are dealing with the first prompt request after the node was created
-            prompt_request.name = list(
+            prompt_request.name = list(prompt_request.frontend_node.custom_fields.keys())[0]
-                prompt_request.frontend_node.custom_fields.keys()
-            )[0]
 
-        old_custom_fields = prompt_request.frontend_node.custom_fields[
+        old_custom_fields = prompt_request.frontend_node.custom_fields[prompt_request.name]
-            prompt_request.name
-        ]
         if old_custom_fields is None:
             old_custom_fields = []
 
@@ -87,40 +78,26 @@ def add_new_variables_to_template(input_variables, prompt_request):
             template_field = DefaultPromptField(name=variable, display_name=variable)
             if variable in prompt_request.frontend_node.template:
                 # Set the new field with the old value
-                template_field.value = prompt_request.frontend_node.template[variable][
+                template_field.value = prompt_request.frontend_node.template[variable]["value"]
-                    "value"
-                ]
 
             prompt_request.frontend_node.template[variable] = template_field.to_dict()
 
             # Check if variable is not already in the list before appending
-            if (
+            if variable not in prompt_request.frontend_node.custom_fields[prompt_request.name]:
-                variable
+                prompt_request.frontend_node.custom_fields[prompt_request.name].append(variable)
-                not in prompt_request.frontend_node.custom_fields[prompt_request.name]
-            ):
-                prompt_request.frontend_node.custom_fields[prompt_request.name].append(
-                    variable
-                )
 
         except Exception as exc:
             logger.exception(exc)
             raise HTTPException(status_code=500, detail=str(exc)) from exc
 
 
-def remove_old_variables_from_template(
+def remove_old_variables_from_template(old_custom_fields, input_variables, prompt_request):
-    old_custom_fields, input_variables, prompt_request
-):
     for variable in old_custom_fields:
         if variable not in input_variables:
             try:
                 # Remove the variable from custom_fields associated with the given name
-                if (
+                if variable in prompt_request.frontend_node.custom_fields[prompt_request.name]:
-                    variable
+                    prompt_request.frontend_node.custom_fields[prompt_request.name].remove(variable)
-                    in prompt_request.frontend_node.custom_fields[prompt_request.name]
-                ):
-                    prompt_request.frontend_node.custom_fields[
-                        prompt_request.name
-                    ].remove(variable)
 
                 # Remove the variable from the template
                 prompt_request.frontend_node.template.pop(variable, None)
@@ -132,6 +109,4 @@ def remove_old_variables_from_template(
 
 def update_input_variables_field(input_variables, prompt_request):
     if "input_variables" in prompt_request.frontend_node.template:
-        prompt_request.frontend_node.template["input_variables"][
+        prompt_request.frontend_node.template["input_variables"]["value"] = input_variables
-            "value"
-        ] = input_variables

src/backend/langflow/base/data/utils.py

@@ -35,9 +35,7 @@ def retrieve_file_paths(
 
     glob = "**/*" if recursive else "*"
     paths = walk_level(path_obj, depth) if depth else path_obj.glob(glob)
-    file_paths = [
+    file_paths = [Text(p) for p in paths if p.is_file() and match_types(p) and is_not_hidden(p)]
-        Text(p) for p in paths if p.is_file() and match_types(p) and is_not_hidden(p)
-    ]
 
     return file_paths
 
@@ -70,16 +68,12 @@ def get_elements(
     if use_multithreading:
         records = parallel_load_records(file_paths, silent_errors, max_concurrency)
     else:
-        records = [
+        records = [parse_file_to_record(file_path, silent_errors) for file_path in file_paths]
-            parse_file_to_record(file_path, silent_errors) for file_path in file_paths
-        ]
     records = list(filter(None, records))
     return records
 
 
-def parallel_load_records(
+def parallel_load_records(file_paths: List[str], silent_errors: bool, max_concurrency: int) -> List[Optional[Record]]:
-    file_paths: List[str], silent_errors: bool, max_concurrency: int
-) -> List[Optional[Record]]:
     with futures.ThreadPoolExecutor(max_workers=max_concurrency) as executor:
         loaded_files = executor.map(
             lambda file_path: parse_file_to_record(file_path, silent_errors),

src/backend/langflow/base/io/chat.py

@@ -45,9 +45,7 @@ class ChatComponent(CustomComponent):
             return []
 
         if not session_id or not sender or not sender_name:
-            raise ValueError(
+            raise ValueError("All of session_id, sender, and sender_name must be provided.")
-                "All of session_id, sender, and sender_name must be provided."
-            )
         if isinstance(message, Record):
             record = message
             record.data.update(

src/backend/langflow/components/chains/ConversationChain.py

@@ -31,7 +31,7 @@ class ConversationChainComponent(CustomComponent):
             chain = ConversationChain(llm=llm)
         else:
             chain = ConversationChain(llm=llm, memory=memory)
-        result = chain.invoke(inputs)
+        result = chain.invoke({"input": input_value})
         if hasattr(result, "content") and isinstance(result.content, str):
             result = result.content
         elif isinstance(result, str):

src/backend/langflow/components/data/APIRequest.py

@@ -27,12 +27,12 @@ class APIRequest(CustomComponent):
         "headers": {
             "display_name": "Headers",
             "info": "The headers to send with the request.",
-            "input_types": ["dict"]
+            "input_types": ["dict"],
         },
         "body": {
             "display_name": "Body",
             "info": "The body to send with the request (for POST, PATCH, PUT).",
-            "input_types": ["dict"]
+            "input_types": ["dict"],
         },
         "timeout": {
             "display_name": "Timeout",
@@ -58,9 +58,7 @@ class APIRequest(CustomComponent):
         data = body if body else None
         data = json.dumps(data)
         try:
-            response = await client.request(
+            response = await client.request(method, url, headers=headers, content=data, timeout=timeout)
-                method, url, headers=headers, content=data, timeout=timeout
-            )
             try:
                 response_json = response.json()
                 result = orjson_dumps(response_json, indent_2=False)
@@ -96,16 +94,9 @@ class APIRequest(CustomComponent):
         if headers is None:
             headers = {}
         urls = url if isinstance(url, list) else [url]
-        bodies = (
+        bodies = body if isinstance(body, list) else [body] if body else [None] * len(urls)
-            body
-            if isinstance(body, list)
-            else [body] if body else [None] * len(urls)
-        )
         async with httpx.AsyncClient() as client:
             results = await asyncio.gather(
-                *[
+                *[self.make_request(client, method, u, headers, rec, timeout) for u, rec in zip(urls, bodies)]
-                    self.make_request(client, method, u, headers, rec, timeout)
-                    for u, rec in zip(urls, bodies)
-                ]
             )
         return results

src/backend/langflow/components/data/Directory.py

@@ -57,20 +57,13 @@ class DirectoryComponent(CustomComponent):
         if types is None:
             types = []
         resolved_path = self.resolve_path(path)
-        file_paths = retrieve_file_paths(
+        file_paths = retrieve_file_paths(resolved_path, types, load_hidden, recursive, depth)
-            resolved_path, types, load_hidden, recursive, depth
-        )
         loaded_records = []
 
         if use_multithreading:
-            loaded_records = parallel_load_records(
+            loaded_records = parallel_load_records(file_paths, silent_errors, max_concurrency)
-                file_paths, silent_errors, max_concurrency
-            )
         else:
-            loaded_records = [
+            loaded_records = [parse_file_to_record(file_path, silent_errors) for file_path in file_paths]
-                parse_file_to_record(file_path, silent_errors)
-                for file_path in file_paths
-            ]
         loaded_records = list(filter(None, loaded_records))
         self.status = loaded_records
         return loaded_records

src/backend/langflow/components/data/FileLoader.py

@@ -11,9 +11,7 @@ class FileLoaderComponent(CustomComponent):
     beta = True
 
     def build_config(self):
-        loader_options = ["Automatic"] + [
+        loader_options = ["Automatic"] + [loader_info["name"] for loader_info in LOADERS_INFO]
-            loader_info["name"] for loader_info in LOADERS_INFO
-        ]
 
         file_types = []
         suffixes = []
@@ -105,9 +103,7 @@ class FileLoaderComponent(CustomComponent):
         if isinstance(selected_loader_info, dict):
             loader_import: str = selected_loader_info["import"]
         else:
-            raise ValueError(
+            raise ValueError(f"Loader info for {loader} is not a dict\nLoader info:\n{selected_loader_info}")
-                f"Loader info for {loader} is not a dict\nLoader info:\n{selected_loader_info}"
-            )
         module_name, class_name = loader_import.rsplit(".", 1)
 
         try:
@@ -115,9 +111,7 @@ class FileLoaderComponent(CustomComponent):
             loader_module = __import__(module_name, fromlist=[class_name])
             loader_instance = getattr(loader_module, class_name)
         except ImportError as e:
-            raise ValueError(
+            raise ValueError(f"Loader {loader} could not be imported\nLoader info:\n{selected_loader_info}") from e
-                f"Loader {loader} could not be imported\nLoader info:\n{selected_loader_info}"
-            ) from e
 
         result = loader_instance(file_path=file_path)
         docs = result.load()

src/backend/langflow/components/data/URL.py

@@ -19,7 +19,6 @@ class URLComponent(CustomComponent):
         self,
         urls: list[str],
     ) -> Record:
-
         loader = WebBaseLoader(web_paths=urls)
         docs = loader.load()
         records = self.to_records(docs)

src/backend/langflow/components/experimental/Notify.py

@@ -18,9 +18,7 @@ class NotifyComponent(CustomComponent):
             },
         }
 
-    def build(
+    def build(self, name: str, record: Optional[Record] = None, append: bool = False) -> Record:
-        self, name: str, record: Optional[Record] = None, append: bool = False
-    ) -> Record:
         if record and not isinstance(record, Record):
             if isinstance(record, str):
                 record = Record(text=record)

src/backend/langflow/components/experimental/RunFlow.py

@@ -39,10 +39,7 @@ class RunFlowComponent(CustomComponent):
             records.append(record)
         return records
 
-    async def build(
+    async def build(self, input_value: Text, flow_name: str, tweaks: NestedDict) -> Record:
-        self, input_value: Text, flow_name: str, tweaks: NestedDict
-    ) -> Record:
-
         results: List[Optional[ResultData]] = await self.run_flow(
             input_value=input_value, flow_name=flow_name, tweaks=tweaks
         )

src/backend/langflow/components/experimental/SQLExecutor.py

@@ -11,7 +11,10 @@ class SQLExecutorComponent(CustomComponent):
 
     def build_config(self):
         return {
-            "database": {"display_name": "Database"},
+            "database_url": {
+                "display_name": "Database URL",
+                "info": "The URL of the database.",
+            },
             "include_columns": {
                 "display_name": "Include Columns",
                 "info": "Include columns in the result.",
@@ -26,15 +29,24 @@ class SQLExecutorComponent(CustomComponent):
             },
         }
 
+    def clean_up_uri(self, uri: str) -> str:
+        if uri.startswith("postgresql://"):
+            uri = uri.replace("postgresql://", "postgres://")
+        return uri.strip()
+
     def build(
         self,
         query: str,
-        database: SQLDatabase,
+        database_url: str,
         include_columns: bool = False,
         passthrough: bool = False,
         add_error: bool = False,
     ) -> Text:
         error = None
+        try:
+            database = SQLDatabase.from_uri(database_url)
+        except Exception as e:
+            raise ValueError(f"An error occurred while connecting to the database: {e}")
         try:
             tool = QuerySQLDataBaseTool(db=database)
             result = tool.run(query, include_columns=include_columns)

src/backend/langflow/components/helpers/ExtractDataFromRecord.py

@@ -11,7 +11,6 @@ class ExtractKeyFromRecordComponent(CustomComponent):
     }
 
     def build(self, record: Record, key: str, silent_error: bool = True) -> dict:
-
         data = getattr(record, key)
         self.status = data
         return data

src/backend/langflow/components/helpers/IDGenerator.py

@@ -9,9 +9,7 @@ class UUIDGeneratorComponent(CustomComponent):
     display_name = "Unique ID Generator"
     description = "Generates a unique ID."
 
-    def update_build_config(
+    def update_build_config(self, build_config: dict, field_name: Text, field_value: Any):
-        self, build_config: dict, field_name: Text, field_value: Any
-    ):
         if field_name == "unique_id":
             build_config[field_name]["value"] = str(uuid.uuid4())
         return build_config

src/backend/langflow/components/helpers/RecordComponent1.py

@@ -0,0 +1,47 @@
+from typing import Any
+
+from langflow import CustomComponent
+from langflow.schema import Record
+from langflow.template.field.base import TemplateField
+
+
+class RecordComponent(CustomComponent):
+    display_name = "Record Numbers"
+    description = "A component to create a record from key-value pairs."
+    field_order = ["n_keys"]
+
+    def update_build_config(self, build_config: dict, field_name: str, field_value: Any):
+        if field_value is None:
+            return
+        elif int(field_value) == 0:
+            keep = ["n_keys", "code"]
+            for key in build_config.copy():
+                if key in keep:
+                    continue
+                del build_config[key]
+        build_config[field_name]["value"] = int(field_value)
+
+        # Add new fields depending on the field value
+        for i in range(int(field_value)):
+            field = TemplateField(
+                name=f"Key and Value {i}",
+                field_type="dict",
+                display_name="",
+                info="The key for the record.",
+                input_types=["Text"],
+            )
+            build_config[field.name] = field.to_dict()
+
+    def build_config(self):
+        return {
+            "n_keys": {
+                "display_name": "Number of Fields",
+                "refresh": True,
+                "info": "The number of keys to create in the record.",
+            },
+        }
+
+    def build(self, n_keys: int, **kwargs) -> Record:
+        data = {k: v for d in kwargs.values() for k, v in d.items()}
+        record = Record(data=data)
+        return record

src/backend/langflow/components/helpers/RecordComponent2.py

@@ -0,0 +1,51 @@
+from typing import Any, List
+
+from langflow import CustomComponent
+from langflow.schema import Record
+from langflow.template.field.base import TemplateField
+
+
+class RecordComponent2(CustomComponent):
+    display_name = "Record Text"
+    description = "A component to create a record from key-value pairs."
+    field_order = ["keys"]
+
+    def update_build_config(self, build_config: dict, field_name: str, field_value: Any):
+        if field_value is None:
+            field_value = []
+        if field_name is None:
+            return build_config
+        elif len(field_value) == 0:
+            keep = ["keys", "code"]
+            for key in build_config.copy():
+                if key in keep:
+                    continue
+                del build_config[key]
+        build_config[field_name]["value"] = field_value
+
+        # Add new fields depending on the field value
+        for val in field_value:
+            if not isinstance(val, str) or val == "":
+                continue
+            field = TemplateField(
+                name=val,
+                field_type="str",
+                display_name="",
+                info="The key for the record.",
+            )
+            build_config[field.name] = field.to_dict()
+
+    def build_config(self):
+        return {
+            "keys": {
+                "display_name": "Keys",
+                "refresh": True,
+                "info": "The number of keys to create in the record.",
+                "input_types": [],
+            },
+        }
+
+    def build(self, keys: List[str], **kwargs) -> Record:
+        record = Record(data=kwargs)
+        self.status = record
+        return record

src/backend/langflow/components/helpers/SharedState.py

@@ -1,41 +0,0 @@
-from typing import Optional
-
-from langflow import CustomComponent
-from langflow.schema import Record
-
-
-class SharedState(CustomComponent):
-    display_name = "Shared State"
-    description = "A component to share state between components."
-
-    def build_config(self):
-        return {
-            "name": {"display_name": "Name", "info": "The name of the state."},
-            "record": {"display_name": "Record", "info": "The record to store."},
-            "append": {
-                "display_name": "Append",
-                "info": "If True, the record will be appended to the state.",
-            },
-        }
-
-    def build(
-        self, name: str, record: Optional[Record] = None, append: bool = False
-    ) -> Record:
-        if record:
-            if append:
-                self.append_state(name, record)
-            else:
-                self.update_state(name, record)
-
-        state = self.get_state(name)
-        if state and not isinstance(state, Record):
-            if isinstance(state, str):
-                state = Record(text=state)
-            elif isinstance(state, dict):
-                state = Record(data=state)
-            else:
-                state = Record(text=str(state))
-        elif not state:
-            state = Record(text="")
-        self.status = state
-        return state

src/backend/langflow/components/helpers/ShouldRunNext.py

@@ -1,49 +0,0 @@
-# Implement ShouldRunNext component
-from typing import Text
-from langchain_core.prompts import PromptTemplate
-
-from langflow import CustomComponent
-from langflow.field_typing import BaseLanguageModel, Prompt
-
-
-class ShouldRunNext(CustomComponent):
-    display_name = "Should Run Next"
-    description = "Decides whether to run the next component."
-
-    def build_config(self):
-        return {
-            "prompt": {
-                "display_name": "Prompt",
-                "info": "The prompt to use for the decision. It should generate a boolean response (True or False).",
-            },
-            "llm": {
-                "display_name": "LLM",
-                "info": "The language model to use for the decision.",
-            },
-        }
-
-    def build(self, template: Prompt, llm: BaseLanguageModel, **kwargs) -> dict:
-        # This is a simple component that always returns True
-        prompt_template = PromptTemplate.from_template(Text(template))
-
-        attributes_to_check = ["text", "page_content"]
-        for key, value in kwargs.items():
-            for attribute in attributes_to_check:
-                if hasattr(value, attribute):
-                    kwargs[key] = getattr(value, attribute)
-
-        chain = prompt_template | llm
-        result = chain.invoke(kwargs)
-        if hasattr(result, "content") and isinstance(result.content, str):
-            result = result.content
-        elif isinstance(result, str):
-            result = result
-        else:
-            result = result.get("response")
-
-        if result.lower() not in ["true", "false"]:
-            raise ValueError("The prompt should generate a boolean response (True or False).")
-        # The string should be the words true or false
-        # if not raise an error
-        bool_result = result.lower() == "true"
-        return {"condition": bool_result, "result": kwargs}

src/backend/langflow/components/textsplitters/LanguageRecursiveTextSplitter.py

@@ -9,9 +9,7 @@ from langflow.schema.schema import Record
 class LanguageRecursiveTextSplitterComponent(CustomComponent):
     display_name: str = "Language Recursive Text Splitter"
     description: str = "Split text into chunks of a specified length based on language."
-    documentation: str = (
+    documentation: str = "https://docs.langflow.org/components/text-splitters#languagerecursivetextsplitter"
-        "https://docs.langflow.org/components/text-splitters#languagerecursivetextsplitter"
-    )
 
     def build_config(self):
         options = [x.value for x in Language]

src/backend/langflow/components/textsplitters/RecursiveCharacterTextSplitter.py

@@ -11,9 +11,7 @@ from langflow.utils.util import build_loader_repr_from_documents
 class RecursiveCharacterTextSplitterComponent(CustomComponent):
     display_name: str = "Recursive Character Text Splitter"
     description: str = "Split text into chunks of a specified length."
-    documentation: str = (
+    documentation: str = "https://docs.langflow.org/components/text-splitters#recursivecharactertextsplitter"
-        "https://docs.langflow.org/components/text-splitters#recursivecharactertextsplitter"
-    )
 
     def build_config(self):
         return {

src/backend/langflow/components/vectorstores/Chroma.py

@@ -85,8 +85,7 @@ class ChromaComponent(CustomComponent):
 
         if chroma_server_host is not None:
             chroma_settings = chromadb.config.Settings(
-                chroma_server_cors_allow_origins=chroma_server_cors_allow_origins
+                chroma_server_cors_allow_origins=chroma_server_cors_allow_origins or None,
-                or None,
                 chroma_server_host=chroma_server_host,
                 chroma_server_port=chroma_server_port or None,
                 chroma_server_grpc_port=chroma_server_grpc_port or None,
@@ -107,9 +106,7 @@ class ChromaComponent(CustomComponent):
                 documents.append(_input)
         if documents is not None and embedding is not None:
             if len(documents) == 0:
-                raise ValueError(
+                raise ValueError("If documents are provided, there must be at least one document.")
-                    "If documents are provided, there must be at least one document."
-                )
             chroma = Chroma.from_documents(
                 documents=documents,  # type: ignore
                 persist_directory=index_directory,

src/backend/langflow/components/vectorstores/ChromaSearch.py

@@ -92,8 +92,7 @@ class ChromaSearchComponent(LCVectorStoreComponent):
 
         if chroma_server_host is not None:
             chroma_settings = chromadb.config.Settings(
-                chroma_server_cors_allow_origins=chroma_server_cors_allow_origins
+                chroma_server_cors_allow_origins=chroma_server_cors_allow_origins or None,
-                or None,
                 chroma_server_host=chroma_server_host,
                 chroma_server_port=chroma_server_port or None,
                 chroma_server_grpc_port=chroma_server_grpc_port or None,

src/backend/langflow/components/vectorstores/FAISSSearch.py

@@ -33,9 +33,7 @@ class FAISSSearchComponent(LCVectorStoreComponent):
         if not folder_path:
             raise ValueError("Folder path is required to save the FAISS index.")
         path = self.resolve_path(folder_path)
-        vector_store = FAISS.load_local(
+        vector_store = FAISS.load_local(folder_path=Text(path), embeddings=embedding, index_name=index_name)
-            folder_path=Text(path), embeddings=embedding, index_name=index_name
-        )
         if not vector_store:
             raise ValueError("Failed to load the FAISS index.")
 

src/backend/langflow/components/vectorstores/MongoDBAtlasVector.py

@@ -9,9 +9,7 @@ from langflow.schema.schema import Record
 
 class MongoDBAtlasComponent(CustomComponent):
     display_name = "MongoDB Atlas"
-    description = (
+    description = "Construct a `MongoDB Atlas Vector Search` vector store from raw documents."
-        "Construct a `MongoDB Atlas Vector Search` vector store from raw documents."
-    )
     icon = "MongoDB"
 
     def build_config(self):
@@ -39,9 +37,7 @@ class MongoDBAtlasComponent(CustomComponent):
         try:
             from pymongo import MongoClient
         except ImportError:
-            raise ImportError(
+            raise ImportError("Please install pymongo to use MongoDB Atlas Vector Store")
-                "Please install pymongo to use MongoDB Atlas Vector Store"
-            )
         try:
             mongo_client: MongoClient = MongoClient(mongodb_atlas_cluster_uri)
             collection = mongo_client[db_name][collection_name]

src/backend/langflow/components/vectorstores/Redis.py

@@ -67,9 +67,7 @@ class RedisComponent(CustomComponent):
                 documents.append(_input)
         if not documents:
             if schema is None:
-                raise ValueError(
+                raise ValueError("If no documents are provided, a schema must be provided.")
-                    "If no documents are provided, a schema must be provided."
-                )
             redis_vs = Redis.from_existing_index(
                 embedding=embedding,
                 index_name=redis_index_name,

src/backend/langflow/components/vectorstores/RedisSearch.py

@@ -33,7 +33,6 @@ class RedisSearchComponent(RedisComponent, LCVectorStoreComponent):
             "input_value": {"display_name": "Input"},
             "index_name": {"display_name": "Index Name", "value": "your_index"},
             "code": {"show": False, "display_name": "Code"},
-
             "embedding": {"display_name": "Embedding"},
             "schema": {"display_name": "Schema", "file_types": [".yaml"]},
             "redis_server_url": {

src/backend/langflow/components/vectorstores/SupabaseVectorStore.py

@@ -35,9 +35,7 @@ class SupabaseComponent(CustomComponent):
         supabase_url: str = "",
         table_name: str = "",
     ) -> Union[VectorStore, SupabaseVectorStore, BaseRetriever]:
-        supabase: Client = create_client(
+        supabase: Client = create_client(supabase_url, supabase_key=supabase_service_key)
-            supabase_url, supabase_key=supabase_service_key
-        )
         documents = []
         for _input in inputs:
             if isinstance(_input, Record):

src/backend/langflow/components/vectorstores/SupabaseVectorStoreSearch.py

@@ -38,9 +38,7 @@ class SupabaseSearchComponent(LCVectorStoreComponent):
         supabase_url: str = "",
         table_name: str = "",
     ) -> List[Record]:
-        supabase: Client = create_client(
+        supabase: Client = create_client(supabase_url, supabase_key=supabase_service_key)
-            supabase_url, supabase_key=supabase_service_key
-        )
         vector_store = SupabaseVectorStore(
             client=supabase,
             embedding=embedding,

src/backend/langflow/components/vectorstores/Vectara.py

@@ -15,9 +15,7 @@ from langflow.schema.schema import Record
 class VectaraComponent(CustomComponent):
     display_name: str = "Vectara"
     description: str = "Implementation of Vector Store using Vectara"
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/vectara"
-        "https://python.langchain.com/docs/integrations/vectorstores/vectara"
-    )
     beta = True
     icon = "Vectara"
     field_config = {

src/backend/langflow/components/vectorstores/VectaraSearch.py

@@ -11,9 +11,7 @@ from langflow.schema import Record
 class VectaraSearchComponent(VectaraComponent, LCVectorStoreComponent):
     display_name: str = "Vectara Search"
     description: str = "Search a Vectara Vector Store for similar documents."
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/vectara"
-        "https://python.langchain.com/docs/integrations/vectorstores/vectara"
-    )
     beta = True
     icon = "Vectara"
 

src/backend/langflow/components/vectorstores/Weaviate.py

@@ -12,9 +12,7 @@ from langflow.schema.schema import Record
 class WeaviateVectorStoreComponent(CustomComponent):
     display_name: str = "Weaviate"
     description: str = "Implementation of Vector Store using Weaviate"
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/weaviate"
-        "https://python.langchain.com/docs/integrations/vectorstores/weaviate"
-    )
     beta = True
     field_config = {
         "url": {"display_name": "Weaviate URL", "value": "http://localhost:8080"},

src/backend/langflow/components/vectorstores/WeaviateSearch.py

@@ -11,9 +11,7 @@ from langflow.schema import Record
 class WeaviateSearchVectorStore(WeaviateVectorStoreComponent, LCVectorStoreComponent):
     display_name: str = "Weaviate Search"
     description: str = "Search a Weaviate Vector Store for similar documents."
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/weaviate"
-        "https://python.langchain.com/docs/integrations/vectorstores/weaviate"
-    )
     beta = True
     icon = "Weaviate"
 

src/backend/langflow/components/vectorstores/base/model.py

@@ -37,14 +37,8 @@ class LCVectorStoreComponent(CustomComponent):
         """
 
         docs: List[Document] = []
-        if (
+        if input_value and isinstance(input_value, str) and hasattr(vector_store, "search"):
-            input_value
+            docs = vector_store.search(query=input_value, search_type=search_type.lower())
-            and isinstance(input_value, str)
-            and hasattr(vector_store, "search")
-        ):
-            docs = vector_store.search(
-                query=input_value, search_type=search_type.lower()
-            )
         else:
             raise ValueError("Invalid inputs provided.")
         return docs_to_records(docs)

src/backend/langflow/components/vectorstores/pgvector.py

@@ -16,9 +16,7 @@ class PGVectorComponent(CustomComponent):
 
     display_name: str = "PGVector"
     description: str = "Implementation of Vector Store using PostgreSQL"
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/pgvector"
-        "https://python.langchain.com/docs/integrations/vectorstores/pgvector"
-    )
 
     def build_config(self):
         """

src/backend/langflow/components/vectorstores/pgvectorSearch.py

@@ -15,9 +15,7 @@ class PGVectorSearchComponent(PGVectorComponent, LCVectorStoreComponent):
 
     display_name: str = "PGVector Search"
     description: str = "Search a PGVector Store for similar documents."
-    documentation = (
+    documentation = "https://python.langchain.com/docs/integrations/vectorstores/pgvector"
-        "https://python.langchain.com/docs/integrations/vectorstores/pgvector"
-    )
 
     def build_config(self):
         """

src/backend/langflow/graph/edge/base.py

@@ -12,9 +12,7 @@ if TYPE_CHECKING:
 
 
 class SourceHandle(BaseModel):
-    baseClasses: List[str] = Field(
+    baseClasses: List[str] = Field(..., description="List of base classes for the source handle.")
-        ..., description="List of base classes for the source handle."
-    )
     dataType: str = Field(..., description="Data type for the source handle.")
     id: str = Field(..., description="Unique identifier for the source handle.")
 
@@ -22,9 +20,7 @@ class SourceHandle(BaseModel):
 class TargetHandle(BaseModel):
     fieldName: str = Field(..., description="Field name for the target handle.")
     id: str = Field(..., description="Unique identifier for the target handle.")
-    inputTypes: Optional[List[str]] = Field(
+    inputTypes: Optional[List[str]] = Field(None, description="List of input types for the target handle.")
-        None, description="List of input types for the target handle."
-    )
     type: str = Field(..., description="Type of the target handle.")
 
 
@@ -53,24 +49,16 @@ class Edge:
 
     def validate_handles(self, source, target) -> None:
         if self.target_handle.inputTypes is None:
-            self.valid_handles = (
+            self.valid_handles = self.target_handle.type in self.source_handle.baseClasses
-                self.target_handle.type in self.source_handle.baseClasses
-            )
         else:
             self.valid_handles = (
-                any(
+                any(baseClass in self.target_handle.inputTypes for baseClass in self.source_handle.baseClasses)
-                    baseClass in self.target_handle.inputTypes
-                    for baseClass in self.source_handle.baseClasses
-                )
                 or self.target_handle.type in self.source_handle.baseClasses
             )
         if not self.valid_handles:
             logger.debug(self.source_handle)
             logger.debug(self.target_handle)
-            raise ValueError(
+            raise ValueError(f"Edge between {source.vertex_type} and {target.vertex_type} " f"has invalid handles")
-                f"Edge between {source.vertex_type} and {target.vertex_type} "
-                f"has invalid handles"
-            )
 
     def __setstate__(self, state):
         self.source_id = state["source_id"]
@@ -87,11 +75,7 @@ class Edge:
         # Both lists contain strings and sometimes a string contains the value we are
         # looking for e.g. comgin_out=["Chain"] and target_reqs=["LLMChain"]
         # so we need to check if any of the strings in source_types is in target_reqs
-        self.valid = any(
+        self.valid = any(output in target_req for output in self.source_types for target_req in self.target_reqs)
-            output in target_req
-            for output in self.source_types
-            for target_req in self.target_reqs
-        )
         # Get what type of input the target node is expecting
 
         self.matched_type = next(
@@ -102,10 +86,7 @@ class Edge:
         if no_matched_type:
             logger.debug(self.source_types)
             logger.debug(self.target_reqs)
-            raise ValueError(
+            raise ValueError(f"Edge between {source.vertex_type} and {target.vertex_type} " f"has no matched type")
-                f"Edge between {source.vertex_type} and {target.vertex_type} "
-                f"has no matched type"
-            )
 
     def __repr__(self) -> str:
         return (
@@ -118,10 +99,7 @@ class Edge:
 
     def __eq__(self, __o: object) -> bool:
         # Create a better way to compare edges
-        return (
+        return self._source_handle == __o._source_handle and self._target_handle == __o._target_handle
-            self._source_handle == __o._source_handle
-            and self._target_handle == __o._target_handle
-        )
 
 
 class ContractEdge(Edge):
@@ -178,9 +156,7 @@ class ContractEdge(Edge):
         return f"{self.source_id} -[{self.target_param}]-> {self.target_id}"
 
 
-def log_transaction(
+def log_transaction(edge: ContractEdge, source: "Vertex", target: "Vertex", status, error=None):
-    edge: ContractEdge, source: "Vertex", target: "Vertex", status, error=None
-):
     try:
         monitor_service = get_monitor_service()
         clean_params = build_clean_params(target)

src/backend/langflow/graph/graph/base.py

@@ -76,9 +76,7 @@ class Graph:
         """Returns the state of the graph."""
         return self.state_manager.get_state(name, run_id=self._run_id)
 
-    def update_state(
+    def update_state(self, name: str, record: Union[str, Record], caller: Optional[str] = None) -> None:
-        self, name: str, record: Union[str, Record], caller: Optional[str] = None
-    ) -> None:
         """Updates the state of the graph."""
         if caller:
             # If there is a caller which is a vertex_id, I want to activate
@@ -110,12 +108,9 @@ class Graph:
     def reset_activated_vertices(self):
         self.activated_vertices = []
 
-    def append_state(
+    def append_state(self, name: str, record: Union[str, Record], caller: Optional[str] = None) -> None:
-        self, name: str, record: Union[str, Record], caller: Optional[str] = None
-    ) -> None:
         """Appends the state of the graph."""
         if caller:
-
             self.activate_state_vertices(name, caller)
 
         self.state_manager.append_state(name, record, run_id=self._run_id)
@@ -161,10 +156,7 @@ class Graph:
         """Runs the graph with the given inputs."""
         for vertex_id in self._is_input_vertices:
             vertex = self.get_vertex(vertex_id)
-            if input_components and (
+            if input_components and (vertex_id not in input_components or vertex.display_name not in input_components):
-                vertex_id not in input_components
-                or vertex.display_name not in input_components
-            ):
                 continue
             if vertex is None:
                 raise ValueError(f"Vertex {vertex_id} not found")
@@ -187,11 +179,7 @@ class Graph:
             if vertex is None:
                 raise ValueError(f"Vertex {vertex_id} not found")
 
-            if (
+            if not vertex.result and not stream and hasattr(vertex, "consume_async_generator"):
-                not vertex.result
-                and not stream
-                and hasattr(vertex, "consume_async_generator")
-            ):
                 await vertex.consume_async_generator()
             if vertex.display_name in outputs or vertex.id in outputs:
                 vertex_outputs.append(vertex.result)
@@ -269,9 +257,7 @@ class Graph:
     def build_parent_child_map(self):
         parent_child_map = defaultdict(list)
         for vertex in self.vertices:
-            parent_child_map[vertex.id] = [
+            parent_child_map[vertex.id] = [child.id for child in self.get_successors(vertex)]
-                child.id for child in self.get_successors(vertex)
-            ]
         return parent_child_map
 
     def increment_run_count(self):
@@ -456,11 +442,7 @@ class Graph:
         """Updates the edges of a vertex."""
         # Vertex has edges, so we need to update the edges
         for edge in vertex.edges:
-            if (
+            if edge not in self.edges and edge.source_id in self.vertex_map and edge.target_id in self.vertex_map:
-                edge not in self.edges
-                and edge.source_id in self.vertex_map
-                and edge.target_id in self.vertex_map
-            ):
                 self.edges.append(edge)
 
     def _build_graph(self) -> None:
@@ -485,11 +467,7 @@ class Graph:
             return
         self.vertices.remove(vertex)
         self.vertex_map.pop(vertex_id)
-        self.edges = [
+        self.edges = [edge for edge in self.edges if edge.source_id != vertex_id and edge.target_id != vertex_id]
-            edge
-            for edge in self.edges
-            if edge.source_id != vertex_id and edge.target_id != vertex_id
-        ]
 
     def _build_vertex_params(self) -> None:
         """Identifies and handles the LLM vertex within the graph."""
@@ -510,9 +488,7 @@ class Graph:
             return
         for vertex in self.vertices:
             if not self._validate_vertex(vertex):
-                raise ValueError(
+                raise ValueError(f"{vertex.display_name} is not connected to any other components")
-                    f"{vertex.display_name} is not connected to any other components"
-                )
 
     def _validate_vertex(self, vertex: Vertex) -> bool:
         """Validates a vertex."""
@@ -574,9 +550,7 @@ class Graph:
                     name=f"{vertex.display_name} Run {vertex_task_run_count.get(vertex_id, 0)}",
                 )
                 tasks.append(task)
-                vertex_task_run_count[vertex_id] = (
+                vertex_task_run_count[vertex_id] = vertex_task_run_count.get(vertex_id, 0) + 1
-                    vertex_task_run_count.get(vertex_id, 0) + 1
-                )
             logger.debug(f"Running layer {layer_index} with {len(tasks)} tasks")
             await self._execute_tasks(tasks)
         logger.debug("Graph processing complete")
@@ -618,9 +592,7 @@ class Graph:
         def dfs(vertex):
             if state[vertex] == 1:
                 # We have a cycle
-                raise ValueError(
+                raise ValueError("Graph contains a cycle, cannot perform topological sort")
-                    "Graph contains a cycle, cannot perform topological sort"
-                )
             if state[vertex] == 0:
                 state[vertex] = 1
                 for edge in vertex.edges:
@@ -644,10 +616,7 @@ class Graph:
 
     def get_predecessors(self, vertex):
         """Returns the predecessors of a vertex."""
-        return [
+        return [self.get_vertex(source_id) for source_id in self.predecessor_map.get(vertex.id, [])]
-            self.get_vertex(source_id)
-            for source_id in self.predecessor_map.get(vertex.id, [])
-        ]
 
     def get_all_successors(self, vertex, recursive=True, flat=True):
         # Recursively get the successors of the current vertex
@@ -688,10 +657,7 @@ class Graph:
 
     def get_successors(self, vertex):
         """Returns the successors of a vertex."""
-        return [
+        return [self.get_vertex(target_id) for target_id in self.successor_map.get(vertex.id, [])]
-            self.get_vertex(target_id)
-            for target_id in self.successor_map.get(vertex.id, [])
-        ]
 
     def get_vertex_neighbors(self, vertex: Vertex) -> Dict[Vertex, int]:
         """Returns the neighbors of a vertex."""
@@ -737,9 +703,7 @@ class Graph:
             edges_added.add((source.id, target.id))
         return edges
 
-    def _get_vertex_class(
+    def _get_vertex_class(self, node_type: str, node_base_type: str, node_id: str) -> Type[Vertex]:
-        self, node_type: str, node_base_type: str, node_id: str
-    ) -> Type[Vertex]:
         """Returns the node class based on the node type."""
         # First we check for the node_base_type
         node_name = node_id.split("-")[0]
@@ -772,18 +736,14 @@ class Graph:
             vertex_type: str = vertex_data["type"]  # type: ignore
             vertex_base_type: str = vertex_data["node"]["template"]["_type"]  # type: ignore
 
-            VertexClass = self._get_vertex_class(
+            VertexClass = self._get_vertex_class(vertex_type, vertex_base_type, vertex_data["id"])
-                vertex_type, vertex_base_type, vertex_data["id"]
-            )
             vertex_instance = VertexClass(vertex, graph=self)
             vertex_instance.set_top_level(self.top_level_vertices)
             vertices.append(vertex_instance)
 
         return vertices
 
-    def get_children_by_vertex_type(
+    def get_children_by_vertex_type(self, vertex: Vertex, vertex_type: str) -> List[Vertex]:
-        self, vertex: Vertex, vertex_type: str
-    ) -> List[Vertex]:
         """Returns the children of a vertex based on the vertex type."""
         children = []
         vertex_types = [vertex.data["type"]]
@@ -795,9 +755,7 @@ class Graph:
 
     def __repr__(self):
         vertex_ids = [vertex.id for vertex in self.vertices]
-        edges_repr = "\n".join(
+        edges_repr = "\n".join([f"{edge.source_id} --> {edge.target_id}" for edge in self.edges])
-            [f"{edge.source_id} --> {edge.target_id}" for edge in self.edges]
-        )
         return f"Graph:\nNodes: {vertex_ids}\nConnections:\n{edges_repr}"
 
     def sort_up_to_vertex(self, vertex_id: str, is_start: bool = False) -> List[Vertex]:
@@ -865,8 +823,7 @@ class Graph:
             vertex.id
             for vertex in vertices
             # if filter_graphs then only vertex.is_input will be considered
-            if self.in_degree_map[vertex.id] == 0
+            if self.in_degree_map[vertex.id] == 0 and (not filter_graphs or vertex.is_input)
-            and (not filter_graphs or vertex.is_input)
         )
         layers: List[List[str]] = []
         visited = set(queue)
@@ -940,9 +897,7 @@ class Graph:
 
         return refined_layers
 
-    def sort_chat_inputs_first(
+    def sort_chat_inputs_first(self, vertices_layers: List[List[str]]) -> List[List[str]]:
-        self, vertices_layers: List[List[str]]
-    ) -> List[List[str]]:
         chat_inputs_first = []
         for layer in vertices_layers:
             for vertex_id in layer:
@@ -983,9 +938,7 @@ class Graph:
         first_layer = vertices_layers[0]
         # save the only the rest
         self.vertices_layers = vertices_layers[1:]
-        self.vertices_to_run = {
+        self.vertices_to_run = {vertex_id for vertex_id in chain.from_iterable(vertices_layers)}
-            vertex_id for vertex_id in chain.from_iterable(vertices_layers)
-        }
         # Return just the first layer
         return first_layer
 
@@ -996,15 +949,11 @@ class Graph:
             self.vertices_to_run.remove(vertex_id)
         return should_run
 
-    def sort_interface_components_first(
+    def sort_interface_components_first(self, vertices_layers: List[List[str]]) -> List[List[str]]:
-        self, vertices_layers: List[List[str]]
-    ) -> List[List[str]]:
         """Sorts the vertices in the graph so that vertices containing ChatInput or ChatOutput come first."""
 
         def contains_interface_component(vertex):
-            return any(
+            return any(component.value in vertex for component in InterfaceComponentTypes)
-                component.value in vertex for component in InterfaceComponentTypes
-            )
 
         # Sort each inner list so that vertices containing ChatInput or ChatOutput come first
         sorted_vertices = [
@@ -1016,22 +965,16 @@ class Graph:
         ]
         return sorted_vertices
 
-    def sort_by_avg_build_time(
+    def sort_by_avg_build_time(self, vertices_layers: List[List[str]]) -> List[List[str]]:
-        self, vertices_layers: List[List[str]]
-    ) -> List[List[str]]:
         """Sorts the vertices in the graph so that vertices with the lowest average build time come first."""
 
         def sort_layer_by_avg_build_time(vertices_ids: List[str]) -> List[str]:
             """Sorts the vertices in the graph so that vertices with the lowest average build time come first."""
             if len(vertices_ids) == 1:
                 return vertices_ids
-            vertices_ids.sort(
+            vertices_ids.sort(key=lambda vertex_id: self.get_vertex(vertex_id).avg_build_time)
-                key=lambda vertex_id: self.get_vertex(vertex_id).avg_build_time
-            )
 
             return vertices_ids
 
-        sorted_vertices = [
+        sorted_vertices = [sort_layer_by_avg_build_time(layer) for layer in vertices_layers]
-            sort_layer_by_avg_build_time(layer) for layer in vertices_layers
-        ]
         return sorted_vertices

src/backend/langflow/graph/graph/constants.py

@@ -47,10 +47,7 @@ class VertexTypesDict(LazyLoadDictBase):
             **{t: types.DocumentLoaderVertex for t in documentloader_creator.to_list()},
             **{t: types.TextSplitterVertex for t in textsplitter_creator.to_list()},
             **{t: types.OutputParserVertex for t in output_parser_creator.to_list()},
-            **{
+            **{t: types.CustomComponentVertex for t in custom_component_creator.to_list()},
-                t: types.CustomComponentVertex
-                for t in custom_component_creator.to_list()
-            },
             **{t: types.RetrieverVertex for t in retriever_creator.to_list()},
             **{t: types.ChatVertex for t in CHAT_COMPONENTS},
             **{t: types.RoutingVertex for t in ROUTING_COMPONENTS},

src/backend/langflow/graph/vertex/base.py

@@ -59,13 +59,8 @@ class Vertex:
         self.updated_raw_params = False
         self.id: str = data["id"]
         self.is_state = False
-        self.is_input = any(
+        self.is_input = any(input_component_name in self.id for input_component_name in INPUT_COMPONENTS)
-            input_component_name in self.id for input_component_name in INPUT_COMPONENTS
+        self.is_output = any(output_component_name in self.id for output_component_name in OUTPUT_COMPONENTS)
-        )
-        self.is_output = any(
-            output_component_name in self.id
-            for output_component_name in OUTPUT_COMPONENTS
-        )
         self.has_session_id = None
         self._custom_component = None
         self.has_external_input = False
@@ -106,17 +101,11 @@ class Vertex:
 
     def set_state(self, state: str):
         self.state = VertexStates[state]
-        if (
+        if self.state == VertexStates.INACTIVE and self.graph.in_degree_map[self.id] < 2:
-            self.state == VertexStates.INACTIVE
-            and self.graph.in_degree_map[self.id] < 2
-        ):
             # If the vertex is inactive and has only one in degree
             # it means that it is not a merge point in the graph
             self.graph.inactivated_vertices.add(self.id)
-        elif (
+        elif self.state == VertexStates.ACTIVE and self.id in self.graph.inactivated_vertices:
-            self.state == VertexStates.ACTIVE
-            and self.id in self.graph.inactivated_vertices
-        ):
             self.graph.inactivated_vertices.remove(self.id)
 
     @property
@@ -133,9 +122,7 @@ class Vertex:
         # If the Vertex.type is a power component
         # then we need to return the built object
         # instead of the result dict
-        if self.is_interface_component and not isinstance(
+        if self.is_interface_component and not isinstance(self._built_object, UnbuiltObject):
-            self._built_object, UnbuiltObject
-        ):
             result = self._built_object
             # if it is not a dict or a string and hasattr model_dump then
             # return the model_dump
@@ -147,11 +134,7 @@ class Vertex:
 
         if isinstance(self._built_result, UnbuiltResult):
             return {}
-        return (
+        return self._built_result if isinstance(self._built_result, dict) else {"result": self._built_result}
-            self._built_result
-            if isinstance(self._built_result, dict)
-            else {"result": self._built_result}
-        )
 
     def set_artifacts(self) -> None:
         pass
@@ -221,31 +204,19 @@ class Vertex:
         self.selected_output_type = self.data["node"].get("selected_output_type")
         self.is_input = self.data["node"].get("is_input") or self.is_input
         self.is_output = self.data["node"].get("is_output") or self.is_output
-        template_dicts = {
+        template_dicts = {key: value for key, value in self.data["node"]["template"].items() if isinstance(value, dict)}
-            key: value
-            for key, value in self.data["node"]["template"].items()
-            if isinstance(value, dict)
-        }
 
         self.has_session_id = "session_id" in template_dicts
 
         self.required_inputs = [
-            template_dicts[key]["type"]
+            template_dicts[key]["type"] for key, value in template_dicts.items() if value["required"]
-            for key, value in template_dicts.items()
-            if value["required"]
         ]
         self.optional_inputs = [
-            template_dicts[key]["type"]
+            template_dicts[key]["type"] for key, value in template_dicts.items() if not value["required"]
-            for key, value in template_dicts.items()
-            if not value["required"]
         ]
         # Add the template_dicts[key]["input_types"] to the optional_inputs
         self.optional_inputs.extend(
-            [
+            [input_type for value in template_dicts.values() for input_type in value.get("input_types", [])]
-                input_type
-                for value in template_dicts.values()
-                for input_type in value.get("input_types", [])
-            ]
         )
 
         template_dict = self.data["node"]["template"]
@@ -292,11 +263,7 @@ class Vertex:
             self.updated_raw_params = False
             return
 
-        template_dict = {
+        template_dict = {key: value for key, value in self.data["node"]["template"].items() if isinstance(value, dict)}
-            key: value
-            for key, value in self.data["node"]["template"].items()
-            if isinstance(value, dict)
-        }
         params = {}
 
         for edge in self.edges:
@@ -317,10 +284,7 @@ class Vertex:
                         # we don't know the key of the dict but we need to set the value
                         # to the vertex that is the source of the edge
                         param_dict = template_dict[param_key]["value"]
-                        params[param_key] = {
+                        params[param_key] = {key: self.graph.get_vertex(edge.source_id) for key in param_dict.keys()}
-                            key: self.graph.get_vertex(edge.source_id)
-                            for key in param_dict.keys()
-                        }
                     else:
                         params[param_key] = self.graph.get_vertex(edge.source_id)
 
@@ -356,11 +320,7 @@ class Vertex:
                     # list of dicts, so we need to convert it to a dict
                     # before passing it to the build method
                     if isinstance(val, list):
-                        params[key] = {
+                        params[key] = {k: v for item in value.get("value", []) for k, v in item.items()}
-                            k: v
-                            for item in value.get("value", [])
-                            for k, v in item.items()
-                        }
                     elif isinstance(val, dict):
                         params[key] = val
                 elif value.get("type") == "int" and val is not None:
@@ -485,9 +445,7 @@ class Vertex:
         if isinstance(self._built_object, str):
             self._built_result = self._built_object
 
-        result = await generate_result(
+        result = await generate_result(self._built_object, inputs, self.has_external_output, session_id)
-            self._built_object, inputs, self.has_external_output, session_id
-        )
         self._built_result = result
 
     async def _build_each_node_in_params_dict(self, user_id=None):
@@ -507,9 +465,7 @@ class Vertex:
             elif key not in self.params or self.updated_raw_params:
                 self.params[key] = value
 
-    async def _build_dict_of_nodes_and_update_params(
+    async def _build_dict_of_nodes_and_update_params(self, key, nodes: Dict[str, "Vertex"], user_id=None):
-        self, key, nodes: Dict[str, "Vertex"], user_id=None
-    ):
         """
         Iterates over a dictionary of nodes, builds each and updates the params dictionary.
         """
@@ -529,9 +485,7 @@ class Vertex:
         """
         return all(self._is_node(node) for node in value)
 
-    async def get_result(
+    async def get_result(self, requester: Optional["Vertex"] = None, user_id=None, timeout=None) -> Any:
-        self, requester: Optional["Vertex"] = None, user_id=None, timeout=None
-    ) -> Any:
         # PLEASE REVIEW THIS IF STATEMENT
         # Check if the Vertex was built already
         if self._built:
@@ -565,9 +519,7 @@ class Vertex:
             self._extend_params_list_with_result(key, result)
         self.params[key] = result
 
-    async def _build_list_of_nodes_and_update_params(
+    async def _build_list_of_nodes_and_update_params(self, key, nodes: List["Vertex"], user_id=None):
-        self, key, nodes: List["Vertex"], user_id=None
-    ):
         """
         Iterates over a list of nodes, builds each and updates the params dictionary.
         """
@@ -634,9 +586,7 @@ class Vertex:
         except Exception as exc:
             logger.exception(exc)
 
-            raise ValueError(
+            raise ValueError(f"Error building node {self.display_name}: {str(exc)}") from exc
-                f"Error building node {self.display_name}: {str(exc)}"
-            ) from exc
 
     def _update_built_object_and_artifacts(self, result):
         """
@@ -664,9 +614,7 @@ class Vertex:
             logger.warning(message)
         elif isinstance(self._built_object, (Iterator, AsyncIterator)):
             if self.display_name in ["Text Output"]:
-                raise ValueError(
+                raise ValueError(f"You are trying to stream to a {self.display_name}. Try using a Chat Output instead.")
-                    f"You are trying to stream to a {self.display_name}. Try using a Chat Output instead."
-                )
 
     def _reset(self, params_update: Optional[Dict[str, Any]] = None):
         self._built = False
@@ -728,24 +676,16 @@ class Vertex:
             return self._built_object
 
         # Get the requester edge
-        requester_edge = next(
+        requester_edge = next((edge for edge in self.edges if edge.target_id == requester.id), None)
-            (edge for edge in self.edges if edge.target_id == requester.id), None
-        )
         # Return the result of the requester edge
-        return (
+        return None if requester_edge is None else await requester_edge.get_result(source=self, target=requester)
-            None
-            if requester_edge is None
-            else await requester_edge.get_result(source=self, target=requester)
-        )
 
     def add_edge(self, edge: "ContractEdge") -> None:
         if edge not in self.edges:
             self.edges.append(edge)
 
     def __repr__(self) -> str:
-        return (
+        return f"Vertex(display_name={self.display_name}, id={self.id}, data={self.data})"
-            f"Vertex(display_name={self.display_name}, id={self.id}, data={self.data})"
-        )
 
     def __eq__(self, __o: object) -> bool:
         try:
@@ -766,8 +706,4 @@ class Vertex:
 
     def _built_object_repr(self):
         # Add a message with an emoji, stars for sucess,
-        return (
+        return "Built sucessfully ✨" if self._built_object is not None else "Failed to build 😵‍💫"
-            "Built sucessfully ✨"
-            if self._built_object is not None
-            else "Failed to build 😵‍💫"
-        )

src/backend/langflow/graph/vertex/types.py

@@ -1,7 +1,6 @@
 import ast
 import json
-from typing import (AsyncIterator, Callable, Dict, Iterator, List, Optional,
+from typing import AsyncIterator, Callable, Dict, Iterator, List, Optional, Union
-                    Union)
 
 import yaml
 from langchain_core.messages import AIMessage
@@ -124,11 +123,9 @@ class DocumentLoaderVertex(Vertex):
         # show how many documents are in the list?
 
         if not isinstance(self._built_object, UnbuiltObject):
-            avg_length = sum(
+            avg_length = sum(len(record.text) for record in self._built_object if hasattr(record, "text")) / len(
-                len(record.text)
+                self._built_object
-                for record in self._built_object
+            )
-                if hasattr(record, "text")
-            ) / len(self._built_object)
             return f"""{self.display_name}({len(self._built_object)} records)
             \nAvg. Record Length (characters): {int(avg_length)}
             Records: {self._built_object[:3]}..."""
@@ -201,9 +198,7 @@ class TextSplitterVertex(Vertex):
         # show how many documents are in the list?
 
         if not isinstance(self._built_object, UnbuiltObject):
-            avg_length = sum(len(doc.page_content) for doc in self._built_object) / len(
+            avg_length = sum(len(doc.page_content) for doc in self._built_object) / len(self._built_object)
-                self._built_object
-            )
             return f"""{self.vertex_type}({len(self._built_object)} documents)
             \nAvg. Document Length (characters): {int(avg_length)}
             \nDocuments: {self._built_object[:3]}..."""
@@ -250,27 +245,18 @@ class PromptVertex(Vertex):
         user_id = kwargs.get("user_id", None)
         tools = kwargs.get("tools", [])
         if not self._built or force:
-            if (
+            if "input_variables" not in self.params or self.params["input_variables"] is None:
-                "input_variables" not in self.params
-                or self.params["input_variables"] is None
-            ):
                 self.params["input_variables"] = []
             # Check if it is a ZeroShotPrompt and needs a tool
             if "ShotPrompt" in self.vertex_type:
-                tools = (
+                tools = [tool_node.build(user_id=user_id) for tool_node in tools] if tools is not None else []
-                    [tool_node.build(user_id=user_id) for tool_node in tools]
-                    if tools is not None
-                    else []
-                )
                 # flatten the list of tools if it is a list of lists
                 # first check if it is a list
                 if tools and isinstance(tools, list) and isinstance(tools[0], list):
                     tools = flatten_list(tools)
                 self.params["tools"] = tools
                 prompt_params = [
-                    key
+                    key for key, value in self.params.items() if isinstance(value, str) and key != "format_instructions"
-                    for key, value in self.params.items()
-                    if isinstance(value, str) and key != "format_instructions"
                 ]
             else:
                 prompt_params = ["template"]
@@ -280,20 +266,14 @@ class PromptVertex(Vertex):
                     prompt_text = self.params[param]
                     variables = extract_input_variables_from_prompt(prompt_text)
                     self.params["input_variables"].extend(variables)
-                self.params["input_variables"] = list(
+                self.params["input_variables"] = list(set(self.params["input_variables"]))
-                    set(self.params["input_variables"])
-                )
             elif isinstance(self.params, dict):
                 self.params.pop("input_variables", None)
 
             await self._build(user_id=user_id)
 
     def _built_object_repr(self):
-        if (
+        if not self.artifacts or self._built_object is None or not hasattr(self._built_object, "format"):
-            not self.artifacts
-            or self._built_object is None
-            or not hasattr(self._built_object, "format")
-        ):
             return super()._built_object_repr()
         elif isinstance(self._built_object, UnbuiltObject):
             return super()._built_object_repr()
@@ -305,9 +285,7 @@ class PromptVertex(Vertex):
         # so the prompt format doesn't break
         artifacts.pop("handle_keys", None)
         try:
-            if not hasattr(self._built_object, "template") and hasattr(
+            if not hasattr(self._built_object, "template") and hasattr(self._built_object, "prompt"):
-                self._built_object, "prompt"
-            ):
                 template = self._built_object.prompt.template
             else:
                 template = self._built_object.template
@@ -315,11 +293,7 @@ class PromptVertex(Vertex):
                 if value:
                     replace_key = "{" + key + "}"
                     template = template.replace(replace_key, value)
-            return (
+            return template if isinstance(template, str) else f"{self.vertex_type}({template})"
-                template
-                if isinstance(template, str)
-                else f"{self.vertex_type}({template})"
-            )
         except KeyError:
             return str(self._built_object)
 

src/backend/langflow/helpers/record.py

@@ -30,8 +30,5 @@ def records_to_text(template: str, records: list[Record]) -> list[str]:
         records = [records]
     # Check if there are any format strings in the template
 
-    formated_records = [
+    formated_records = [template.format(text=record.text, data=record.data, **record.data) for record in records]
-        template.format(text=record.text, data=record.data, **record.data)
-        for record in records
-    ]
     return "\n".join(formated_records)

src/backend/langflow/initial_setup/setup.py

@@ -89,11 +89,6 @@ def create_new_project(
     )
     db_flow = Flow.model_validate(new_project, from_attributes=True)
     session.add(db_flow)
-    flows = session.exec(
-        select(Flow).where(
-            Flow.name == project_name,
-        )
-    ).all()
 
 
 def get_all_flows_similar_to_project(session, project_name):
@@ -117,7 +112,6 @@ def delete_start_projects(session):
 
 
 def create_or_update_starter_projects():
-
     with session_scope() as session:
         starter_projects = load_starter_projects()
         delete_start_projects(session)
@@ -132,9 +126,7 @@ def create_or_update_starter_projects():
                 project_icon_bg_color,
             ) = get_project_data(project)
             if project_name and project_data:
-                for existing_project in get_all_flows_similar_to_project(
+                for existing_project in get_all_flows_similar_to_project(session, project_name):
-                    session, project_name
-                ):
                     session.delete(existing_project)
 
                 create_new_project(

src/backend/langflow/interface/custom/code_parser/code_parser.py

@@ -95,9 +95,7 @@ class CodeParser:
         elif isinstance(node, ast.ImportFrom):
             for alias in node.names:
                 if alias.asname:
-                    self.data["imports"].append(
+                    self.data["imports"].append((node.module, f"{alias.name} as {alias.asname}"))
-                        (node.module, f"{alias.name} as {alias.asname}")
-                    )
                 else:
                     self.data["imports"].append((node.module, alias.name))
 
@@ -146,9 +144,7 @@ class CodeParser:
         return_type = None
         if node.returns:
             return_type_str = ast.unparse(node.returns)
-            eval_env = self.construct_eval_env(
+            eval_env = self.construct_eval_env(return_type_str, tuple(self.data["imports"]))
-                return_type_str, tuple(self.data["imports"])
-            )
 
             try:
                 return_type = eval(return_type_str, eval_env)
@@ -190,22 +186,14 @@ class CodeParser:
         num_defaults = len(node.args.defaults)
         num_missing_defaults = num_args - num_defaults
         missing_defaults = [None] * num_missing_defaults
-        default_values = [
+        default_values = [ast.unparse(default).strip("'") if default else None for default in node.args.defaults]
-            ast.unparse(default).strip("'") if default else None
-            for default in node.args.defaults
-        ]
         # Now check all default values to see if there
         # are any "None" values in the middle
-        default_values = [
+        default_values = [None if value == "None" else value for value in default_values]
-            None if value == "None" else value for value in default_values
-        ]
 
         defaults = missing_defaults + default_values
 
-        args = [
+        args = [self.parse_arg(arg, default) for arg, default in zip(node.args.args, defaults)]
-            self.parse_arg(arg, default)
-            for arg, default in zip(node.args.args, defaults)
-        ]
         return args
 
     def parse_varargs(self, node: ast.FunctionDef) -> List[Dict[str, Any]]:
@@ -223,17 +211,11 @@ class CodeParser:
         """
         Parses the keyword-only arguments of a function or method node.
         """
-        kw_defaults = [None] * (
+        kw_defaults = [None] * (len(node.args.kwonlyargs) - len(node.args.kw_defaults)) + [
-            len(node.args.kwonlyargs) - len(node.args.kw_defaults)
+            ast.unparse(default) if default else None for default in node.args.kw_defaults
-        ) + [
-            ast.unparse(default) if default else None
-            for default in node.args.kw_defaults
         ]
 
-        args = [
+        args = [self.parse_arg(arg, default) for arg, default in zip(node.args.kwonlyargs, kw_defaults)]
-            self.parse_arg(arg, default)
-            for arg, default in zip(node.args.kwonlyargs, kw_defaults)
-        ]
         return args
 
     def parse_kwargs(self, node: ast.FunctionDef) -> List[Dict[str, Any]]:
@@ -337,9 +319,7 @@ class CodeParser:
         Extracts global variables from the code.
         """
         global_var = {
-            "targets": [
+            "targets": [t.id if hasattr(t, "id") else ast.dump(t) for t in node.targets],
-                t.id if hasattr(t, "id") else ast.dump(t) for t in node.targets
-            ],
             "value": ast.unparse(node.value),
         }
         self.data["global_vars"].append(global_var)

src/backend/langflow/interface/custom/custom_component/component.py

@@ -21,9 +21,7 @@ class ComponentFunctionEntrypointNameNullError(HTTPException):
 
 class Component:
     ERROR_CODE_NULL: ClassVar[str] = "Python code must be provided."
-    ERROR_FUNCTION_ENTRYPOINT_NAME_NULL: ClassVar[str] = (
+    ERROR_FUNCTION_ENTRYPOINT_NAME_NULL: ClassVar[str] = "The name of the entrypoint function must be provided."
-        "The name of the entrypoint function must be provided."
-    )
 
     code: Optional[str] = None
     _function_entrypoint_name: str = "build"

src/backend/langflow/interface/custom/custom_component/custom_component.py

@@ -77,17 +77,13 @@ class CustomComponent(Component):
 
     def update_state(self, name: str, value: Any):
         try:
-            self.vertex.graph.update_state(
+            self.vertex.graph.update_state(name=name, record=value, caller=self.vertex.id)
-                name=name, record=value, caller=self.vertex.id
-            )
         except Exception as e:
             raise ValueError(f"Error updating state: {e}")
 
     def append_state(self, name: str, value: Any):
         try:
-            self.vertex.graph.append_state(
+            self.vertex.graph.append_state(name=name, record=value, caller=self.vertex.id)
-                name=name, record=value, caller=self.vertex.id
-            )
         except Exception as e:
             raise ValueError(f"Error appending state: {e}")
 
@@ -138,9 +134,7 @@ class CustomComponent(Component):
     def build_config(self):
         return self.field_config
 
-    def update_build_config(
+    def update_build_config(self, build_config: dict, field_name: str, field_value: Any):
-        self, build_config: dict, field_name: str, field_value: Any
-    ):
         build_config[field_name] = field_value
         return build_config
 
@@ -148,9 +142,7 @@ class CustomComponent(Component):
     def tree(self):
         return self.get_code_tree(self.code or "")
 
-    def to_records(
+    def to_records(self, data: Any, keys: Optional[List[str]] = None, silent_errors: bool = False) -> List[Record]:
-        self, data: Any, keys: Optional[List[str]] = None, silent_errors: bool = False
-    ) -> List[Record]:
         """
         Converts input data into a list of Record objects.
 
@@ -199,9 +191,7 @@ class CustomComponent(Component):
 
         return records
 
-    def create_references_from_records(
+    def create_references_from_records(self, records: List[Record], include_data: bool = False) -> str:
-        self, records: List[Record], include_data: bool = False
-    ) -> str:
         """
         Create references from a list of records.
 
@@ -240,20 +230,14 @@ class CustomComponent(Component):
         if not self.code:
             return {}
 
-        component_classes = [
+        component_classes = [cls for cls in self.tree["classes"] if self.code_class_base_inheritance in cls["bases"]]
-            cls
-            for cls in self.tree["classes"]
-            if self.code_class_base_inheritance in cls["bases"]
-        ]
         if not component_classes:
             return {}
 
         # Assume the first Component class is the one we're interested in
         component_class = component_classes[0]
         build_methods = [
-            method
+            method for method in component_class["methods"] if method["name"] == self.function_entrypoint_name
-            for method in component_class["methods"]
-            if method["name"] == self.function_entrypoint_name
         ]
 
         return build_methods[0] if build_methods else {}
@@ -310,9 +294,7 @@ class CustomComponent(Component):
             # Retrieve and decrypt the credential by name for the current user
             db_service = get_db_service()
             with session_getter(db_service) as session:
-                return credential_service.get_credential(
+                return credential_service.get_credential(user_id=self._user_id or "", name=name, session=session)
-                    user_id=self._user_id or "", name=name, session=session
-                )
 
         return get_credential
 
@@ -322,9 +304,7 @@ class CustomComponent(Component):
         credential_service = get_credential_service()
         db_service = get_db_service()
         with session_getter(db_service) as session:
-            return credential_service.list_credentials(
+            return credential_service.list_credentials(user_id=self._user_id, session=session)
-                user_id=self._user_id, session=session
-            )
 
     def index(self, value: int = 0):
         """Returns a function that returns the value at the given index in the iterable."""
@@ -363,11 +343,7 @@ class CustomComponent(Component):
         if not self._flows_records:
             self.list_flows()
         if not flow_id and self._flows_records:
-            flow_ids = [
+            flow_ids = [flow.data["id"] for flow in self._flows_records if flow.data["name"] == flow_name]
-                flow.data["id"]
-                for flow in self._flows_records
-                if flow.data["name"] == flow_name
-            ]
             if not flow_ids:
                 raise ValueError(f"Flow {flow_name} not found")
             elif len(flow_ids) > 1:
@@ -389,9 +365,7 @@ class CustomComponent(Component):
             db_service = get_db_service()
             with get_session(db_service) as session:
                 flows = session.exec(
-                    select(Flow)
+                    select(Flow).where(Flow.user_id == self._user_id).where(Flow.is_component == False)  # noqa
-                    .where(Flow.user_id == self._user_id)
-                    .where(Flow.is_component == False)
                 ).all()
 
             flows_records = [flow.to_record() for flow in flows]

src/backend/langflow/interface/custom/directory_reader/directory_reader.py

@@ -80,13 +80,9 @@ class DirectoryReader:
                 except Exception as e:
                     logger.error(f"Error while loading component: {e}")
                     continue
-            items.append(
+            items.append({"name": menu["name"], "path": menu["path"], "components": components})
-                {"name": menu["name"], "path": menu["path"], "components": components}
-            )
         filtered = [menu for menu in items if menu["components"]]
-        logger.debug(
+        logger.debug(f'Filtered components {"with errors" if with_errors else ""}: {len(filtered)}')
-            f'Filtered components {"with errors" if with_errors else ""}: {len(filtered)}'
-        )
         return {"menu": filtered}
 
     def validate_code(self, file_content):
@@ -119,9 +115,7 @@ class DirectoryReader:
         Walk through the directory path and return a list of all .py files.
         """
         if not (safe_path := self.get_safe_path()):
-            raise CustomComponentPathValueError(
+            raise CustomComponentPathValueError(f"The path needs to start with '{self.base_path}'.")
-                f"The path needs to start with '{self.base_path}'."
-            )
 
         file_list = []
         safe_path_obj = Path(safe_path)
@@ -131,11 +125,7 @@ class DirectoryReader:
             # any folders below [folder] will be ignored
             # basically the parent folder of the file should be a
             # folder in the safe_path
-            if (
+            if file_path.is_file() and file_path.parent.parent == safe_path_obj and not file_path.name.startswith("__"):
-                file_path.is_file()
-                and file_path.parent.parent == safe_path_obj
-                and not file_path.name.startswith("__")
-            ):
                 file_list.append(str(file_path))
         return file_list
 
@@ -173,9 +163,7 @@ class DirectoryReader:
             for node in ast.walk(module):
                 if isinstance(node, ast.FunctionDef):
                     for arg in node.args.args:
-                        if self._is_type_hint_in_arg_annotation(
+                        if self._is_type_hint_in_arg_annotation(arg.annotation, type_hint_name):
-                            arg.annotation, type_hint_name
-                        ):
                             return True
         except SyntaxError:
             # Returns False if the code is not valid Python
@@ -193,16 +181,14 @@ class DirectoryReader:
             and annotation.value.id == type_hint_name
         )
 
-    def is_type_hint_used_but_not_imported(
+    def is_type_hint_used_but_not_imported(self, type_hint_name: str, code: str) -> bool:
-        self, type_hint_name: str, code: str
-    ) -> bool:
         """
         Check if a type hint is used but not imported in the given code.
         """
         try:
-            return self._is_type_hint_used_in_args(
+            return self._is_type_hint_used_in_args(type_hint_name, code) and not self._is_type_hint_imported(
                 type_hint_name, code
-            ) and not self._is_type_hint_imported(type_hint_name, code)
+            )
         except SyntaxError:
             # Returns True if there's something wrong with the code
             # TODO : Find a better way to handle this
@@ -223,9 +209,9 @@ class DirectoryReader:
             return False, "Syntax error"
         elif not self.validate_build(file_content):
             return False, "Missing build function"
-        elif self._is_type_hint_used_in_args(
+        elif self._is_type_hint_used_in_args("Optional", file_content) and not self._is_type_hint_imported(
             "Optional", file_content
-        ) and not self._is_type_hint_imported("Optional", file_content):
+        ):
             return (
                 False,
                 "Type hint 'Optional' is used but not imported in the code.",
@@ -241,18 +227,14 @@ class DirectoryReader:
         from the .py files in the directory.
         """
         response = {"menu": []}
-        logger.debug(
+        logger.debug("-------------------- Building component menu list --------------------")
-            "-------------------- Building component menu list --------------------"
-        )
 
         for file_path in file_paths:
             menu_name = os.path.basename(os.path.dirname(file_path))
             filename = os.path.basename(file_path)
             validation_result, result_content = self.process_file(file_path)
             if not validation_result:
-                logger.error(
+                logger.error(f"Error while processing file {file_path}: {result_content}")
-                    f"Error while processing file {file_path}: {result_content}"
-                )
 
             menu_result = self.find_menu(response, menu_name) or {
                 "name": menu_name,
@@ -265,9 +247,7 @@ class DirectoryReader:
 
             # first check if it's already CamelCase
             if "_" in component_name:
-                component_name_camelcase = " ".join(
+                component_name_camelcase = " ".join(word.title() for word in component_name.split("_"))
-                    word.title() for word in component_name.split("_")
-                )
             else:
                 component_name_camelcase = component_name
 
@@ -275,9 +255,7 @@ class DirectoryReader:
                 try:
                     output_types = self.get_output_types_from_code(result_content)
                 except Exception as exc:
-                    logger.exception(
+                    logger.exception(f"Error while getting output types from code: {str(exc)}")
-                        f"Error while getting output types from code: {str(exc)}"
-                    )
                     output_types = [component_name_camelcase]
             else:
                 output_types = [component_name_camelcase]
@@ -293,9 +271,7 @@ class DirectoryReader:
 
             if menu_result not in response["menu"]:
                 response["menu"].append(menu_result)
-        logger.debug(
+        logger.debug("-------------------- Component menu list built --------------------")
-            "-------------------- Component menu list built --------------------"
-        )
         return response
 
     @staticmethod

src/backend/langflow/interface/custom/utils.py

@@ -32,18 +32,14 @@ class UpdateBuildConfigError(Exception):
     pass
 
 
-def add_output_types(
+def add_output_types(frontend_node: CustomComponentFrontendNode, return_types: List[str]):
-    frontend_node: CustomComponentFrontendNode, return_types: List[str]
-):
     """Add output types to the frontend node"""
     for return_type in return_types:
         if return_type is None:
             raise HTTPException(
                 status_code=400,
                 detail={
-                    "error": (
+                    "error": ("Invalid return type. Please check your code and try again."),
-                        "Invalid return type. Please check your code and try again."
-                    ),
                     "traceback": traceback.format_exc(),
                 },
             )
@@ -75,18 +71,14 @@ def reorder_fields(frontend_node: CustomComponentFrontendNode, field_order: List
     frontend_node.field_order = field_order
 
 
-def add_base_classes(
+def add_base_classes(frontend_node: CustomComponentFrontendNode, return_types: List[str]):
-    frontend_node: CustomComponentFrontendNode, return_types: List[str]
-):
     """Add base classes to the frontend node"""
     for return_type_instance in return_types:
         if return_type_instance is None:
             raise HTTPException(
                 status_code=400,
                 detail={
-                    "error": (
+                    "error": ("Invalid return type. Please check your code and try again."),
-                        "Invalid return type. Please check your code and try again."
-                    ),
                     "traceback": traceback.format_exc(),
                 },
             )
@@ -163,14 +155,10 @@ def add_new_custom_field(
     # If options is a list, then it's a dropdown
     # If options is None, then it's a list of strings
     is_list = isinstance(field_config.get("options"), list)
-    field_config["is_list"] = (
+    field_config["is_list"] = is_list or field_config.get("is_list", False) or field_contains_list
-        is_list or field_config.get("is_list", False) or field_contains_list
-    )
 
     if "name" in field_config:
-        warnings.warn(
+        warnings.warn("The 'name' key in field_config is used to build the object and can't be changed.")
-            "The 'name' key in field_config is used to build the object and can't be changed."
-        )
     required = field_config.pop("required", field_required)
     placeholder = field_config.pop("placeholder", "")
 
@@ -209,9 +197,7 @@ def add_extra_fields(frontend_node, field_config, function_args):
         ]:
             continue
 
-        field_name, field_type, field_value, field_required = get_field_properties(
+        field_name, field_type, field_value, field_required = get_field_properties(extra_field)
-            extra_field
-        )
         config = _field_config.pop(field_name, {})
         frontend_node = add_new_custom_field(
             frontend_node,
@@ -221,17 +207,13 @@ def add_extra_fields(frontend_node, field_config, function_args):
             field_required,
             config,
         )
-    if "kwargs" in function_args_names and not all(
+    if "kwargs" in function_args_names and not all(key in function_args_names for key in field_config.keys()):
-        key in function_args_names for key in field_config.keys()
-    ):
         for field_name, field_config in _field_config.copy().items():
             if "name" not in field_config or field_name == "code":
                 continue
             config = _field_config.get(field_name, {})
             config = config.model_dump() if isinstance(config, BaseModel) else config
-            field_name, field_type, field_value, field_required = get_field_properties(
+            field_name, field_type, field_value, field_required = get_field_properties(extra_field=config)
-                extra_field=config
-            )
             frontend_node = add_new_custom_field(
                 frontend_node,
                 field_name,
@@ -269,9 +251,7 @@ def run_build_config(
         raise HTTPException(
             status_code=400,
             detail={
-                "error": (
+                "error": ("Invalid type convertion. Please check your code and try again."),
-                    "Invalid type convertion. Please check your code and try again."
-                ),
                 "traceback": traceback.format_exc(),
             },
         ) from exc
@@ -383,16 +363,10 @@ def build_custom_component_template(
 
         add_extra_fields(frontend_node, field_config, entrypoint_args)
 
-        frontend_node = add_code_field(
+        frontend_node = add_code_field(frontend_node, custom_component.code, field_config.get("code", {}))
-            frontend_node, custom_component.code, field_config.get("code", {})
-        )
 
-        add_base_classes(
+        add_base_classes(frontend_node, custom_component.get_function_entrypoint_return_type)
-            frontend_node, custom_component.get_function_entrypoint_return_type
+        add_output_types(frontend_node, custom_component.get_function_entrypoint_return_type)
-        )
-        add_output_types(
-            frontend_node, custom_component.get_function_entrypoint_return_type
-        )
 
         reorder_fields(frontend_node, custom_instance._get_field_order())
 
@@ -403,9 +377,7 @@ def build_custom_component_template(
         raise HTTPException(
             status_code=400,
             detail={
-                "error": (
+                "error": ("Invalid type convertion. Please check your code and try again."),
-                    "Invalid type convertion. Please check your code and try again."
-                ),
                 "traceback": traceback.format_exc(),
             },
         ) from exc
@@ -431,9 +403,7 @@ def build_custom_components(settings_service):
     if not settings_service.settings.COMPONENTS_PATH:
         return {}
 
-    logger.info(
+    logger.info(f"Building custom components from {settings_service.settings.COMPONENTS_PATH}")
-        f"Building custom components from {settings_service.settings.COMPONENTS_PATH}"
-    )
     custom_components_from_file = {}
     processed_paths = set()
     for path in settings_service.settings.COMPONENTS_PATH:
@@ -444,9 +414,7 @@ def build_custom_components(settings_service):
         custom_component_dict = build_custom_component_list_from_path(path_str)
         if custom_component_dict:
             category = next(iter(custom_component_dict))
-            logger.info(
+            logger.info(f"Loading {len(custom_component_dict[category])} component(s) from category {category}")
-                f"Loading {len(custom_component_dict[category])} component(s) from category {category}"
-            )
             custom_components_from_file = merge_nested_dicts_with_renaming(
                 custom_components_from_file, custom_component_dict
             )
@@ -467,14 +435,10 @@ def update_field_dict(
     if "refresh" in field_dict:
         if call:
             try:
-                custom_component_instance.update_build_config(
+                custom_component_instance.update_build_config(build_config, update_field, update_field_value)
-                    build_config, update_field, update_field_value
-                )
             except Exception as exc:
                 logger.error(f"Error while running update_build_config: {str(exc)}")
-                raise UpdateBuildConfigError(
+                raise UpdateBuildConfigError(f"Error while running update_build_config: {str(exc)}") from exc
-                    f"Error while running update_build_config: {str(exc)}"
-                ) from exc
         field_dict["refresh"] = True
 
     # Let's check if "range_spec" is a RangeSpec object

src/backend/langflow/interface/initialize/loading.py

@@ -144,13 +144,9 @@ async def instantiate_based_on_type(
         return class_object(**params)
 
 
-async def instantiate_custom_component(
+async def instantiate_custom_component(node_type, class_object, params, user_id, vertex):
-    node_type, class_object, params, user_id, vertex
-):
     params_copy = params.copy()
-    class_object: Type["CustomComponent"] = eval_custom_component_code(
+    class_object: Type["CustomComponent"] = eval_custom_component_code(params_copy.pop("code"))
-        params_copy.pop("code")
-    )
     custom_component: "CustomComponent" = class_object(
         user_id=user_id,
         parameters=params_copy,
@@ -226,9 +222,7 @@ def instantiate_memory(node_type, class_object, params):
     # I want to catch a specific attribute error that happens
     # when the object does not have a cursor attribute
     except Exception as exc:
-        if "object has no attribute 'cursor'" in str(
+        if "object has no attribute 'cursor'" in str(exc) or 'object has no field "conn"' in str(exc):
-            exc
-        ) or 'object has no field "conn"' in str(exc):
             raise AttributeError(
                 (
                     "Failed to build connection to database."
@@ -271,9 +265,7 @@ def instantiate_agent(node_type, class_object: Type[agent_module.Agent], params:
         if class_method := getattr(class_object, method, None):
             agent = class_method(**params)
             tools = params.get("tools", [])
-            return AgentExecutor.from_agent_and_tools(
+            return AgentExecutor.from_agent_and_tools(agent=agent, tools=tools, handle_parsing_errors=True)
-                agent=agent, tools=tools, handle_parsing_errors=True
-            )
     return load_agent_executor(class_object, params)
 
 
@@ -329,11 +321,7 @@ def instantiate_embedding(node_type, class_object, params: Dict):
     try:
         return class_object(**params)
     except ValidationError:
-        params = {
+        params = {key: value for key, value in params.items() if key in class_object.model_fields}
-            key: value
-            for key, value in params.items()
-            if key in class_object.model_fields
-        }
         return class_object(**params)
 
 
@@ -345,9 +333,7 @@ def instantiate_vectorstore(class_object: Type[VectorStore], params: Dict):
     if "texts" in params:
         params["documents"] = params.pop("texts")
     if "documents" in params:
-        params["documents"] = [
+        params["documents"] = [doc for doc in params["documents"] if isinstance(doc, Document)]
-            doc for doc in params["documents"] if isinstance(doc, Document)
-        ]
     if initializer := vecstore_initializer.get(class_object.__name__):
         vecstore = initializer(class_object, params)
     else:
@@ -362,9 +348,7 @@ def instantiate_vectorstore(class_object: Type[VectorStore], params: Dict):
     return vecstore
 
 
-def instantiate_documentloader(
+def instantiate_documentloader(node_type: str, class_object: Type[BaseLoader], params: Dict):
-    node_type: str, class_object: Type[BaseLoader], params: Dict
-):
     if "file_filter" in params:
         # file_filter will be a string but we need a function
         # that will be used to filter the files using file_filter
@@ -373,17 +357,13 @@ def instantiate_documentloader(
         # in x and if it is, we will return True
         file_filter = params.pop("file_filter")
         extensions = file_filter.split(",")
-        params["file_filter"] = lambda x: any(
+        params["file_filter"] = lambda x: any(extension.strip() in x for extension in extensions)
-            extension.strip() in x for extension in extensions
-        )
     metadata = params.pop("metadata", None)
     if metadata and isinstance(metadata, str):
         try:
             metadata = orjson.loads(metadata)
         except json.JSONDecodeError as exc:
-            raise ValueError(
+            raise ValueError("The metadata you provided is not a valid JSON string.") from exc
-                "The metadata you provided is not a valid JSON string."
-            ) from exc
 
     if node_type == "WebBaseLoader":
         if web_path := params.pop("web_path", None):
@@ -416,16 +396,12 @@ def instantiate_textsplitter(
             "Try changing the chunk_size of the Text Splitter."
         ) from exc
 
-    if (
+    if ("separator_type" in params and params["separator_type"] == "Text") or "separator_type" not in params:
-        "separator_type" in params and params["separator_type"] == "Text"
-    ) or "separator_type" not in params:
         params.pop("separator_type", None)
         # separators might come in as an escaped string like \\n
         # so we need to convert it to a string
         if "separators" in params:
-            params["separators"] = (
+            params["separators"] = params["separators"].encode().decode("unicode-escape")
-                params["separators"].encode().decode("unicode-escape")
-            )
         text_splitter = class_object(**params)
     else:
         from langchain.text_splitter import Language
@@ -452,8 +428,7 @@ def replace_zero_shot_prompt_with_prompt_template(nodes):
             tools = [
                 tool
                 for tool in nodes
-                if tool["type"] != "chatOutputNode"
+                if tool["type"] != "chatOutputNode" and "Tool" in tool["data"]["node"]["base_classes"]
-                and "Tool" in tool["data"]["node"]["base_classes"]
             ]
             node["data"] = build_prompt_template(prompt=node["data"], tools=tools)
             break
@@ -467,9 +442,7 @@ def load_agent_executor(agent_class: type[agent_module.Agent], params, **kwargs)
     # agent has hidden args for memory. might need to be support
     # memory = params["memory"]
     # if allowed_tools is not a list or set, make it a list
-    if not isinstance(allowed_tools, (list, set)) and isinstance(
+    if not isinstance(allowed_tools, (list, set)) and isinstance(allowed_tools, BaseTool):
-        allowed_tools, BaseTool
-    ):
         allowed_tools = [allowed_tools]
     tool_names = [tool.name for tool in allowed_tools]
     # Agent class requires an output_parser but Agent classes
@@ -497,10 +470,7 @@ def build_prompt_template(prompt, tools):
     format_instructions = prompt["node"]["template"]["format_instructions"]["value"]
 
     tool_strings = "\n".join(
-        [
+        [f"{tool['data']['node']['name']}: {tool['data']['node']['description']}" for tool in tools]
-            f"{tool['data']['node']['name']}: {tool['data']['node']['description']}"
-            for tool in tools
-        ]
     )
     tool_names = ", ".join([tool["data"]["node"]["name"] for tool in tools])
     format_instructions = format_instructions.format(tool_names=tool_names)

src/backend/langflow/interface/types.py

@@ -66,6 +66,4 @@ def get_all_types_dict(settings_service):
     """Get all types dictionary combining native and custom components."""
     native_components = build_langchain_types_dict()
     custom_components_from_file = build_custom_components(settings_service)
-    return merge_nested_dicts_with_renaming(
+    return merge_nested_dicts_with_renaming(native_components, custom_components_from_file)
-        native_components, custom_components_from_file
-    )

src/backend/langflow/interface/utils.py

@@ -43,9 +43,7 @@ def try_setting_streaming_options(langchain_object):
     llm = None
     if hasattr(langchain_object, "llm"):
         llm = langchain_object.llm
-    elif hasattr(langchain_object, "llm_chain") and hasattr(
+    elif hasattr(langchain_object, "llm_chain") and hasattr(langchain_object.llm_chain, "llm"):
-        langchain_object.llm_chain, "llm"
-    ):
         llm = langchain_object.llm_chain.llm
 
     if isinstance(llm, BaseLanguageModel):
@@ -71,9 +69,7 @@ def extract_input_variables_from_prompt(prompt: str) -> list[str]:
 
         # Extract the variable name from either the single or double brace match
         if match.group(1):  # Match found in double braces
-            variable_name = (
+            variable_name = "{{" + match.group(1) + "}}"  # Re-add single braces for JSON strings
-                "{{" + match.group(1) + "}}"
-            )  # Re-add single braces for JSON strings
         else:  # Match found in single braces
             variable_name = match.group(2)
         if variable_name is not None:
@@ -109,9 +105,7 @@ def set_langchain_cache(settings):
 
     if cache_type := os.getenv("LANGFLOW_LANGCHAIN_CACHE"):
         try:
-            cache_class = import_class(
+            cache_class = import_class(f"langchain.cache.{cache_type or settings.LANGCHAIN_CACHE}")
-                f"langchain.cache.{cache_type or settings.LANGCHAIN_CACHE}"
-            )
 
             logger.debug(f"Setting up LLM caching with {cache_class.__name__}")
             set_llm_cache(cache_class())

src/backend/langflow/main.py

@@ -20,9 +20,7 @@ from langflow.utils.logger import configure
 def get_lifespan(fix_migration=False, socketio_server=None):
     @asynccontextmanager
     async def lifespan(app: FastAPI):
-        initialize_services(
+        initialize_services(fix_migration=fix_migration, socketio_server=socketio_server)
-            fix_migration=fix_migration, socketio_server=socketio_server
-        )
         setup_llm_caching()
         LangfuseInstance.update()
         create_or_update_starter_projects()
@@ -36,9 +34,7 @@ def create_app():
     """Create the FastAPI app and include the router."""
 
     configure()
-    socketio_server = socketio.AsyncServer(
+    socketio_server = socketio.AsyncServer(async_mode="asgi", cors_allowed_origins="*", logger=True)
-        async_mode="asgi", cors_allowed_origins="*", logger=True
-    )
     lifespan = get_lifespan(socketio_server=socketio_server)
     app = FastAPI(lifespan=lifespan)
     origins = ["*"]
@@ -105,9 +101,7 @@ def get_static_files_dir():
     return frontend_path / "frontend"
 
 
-def setup_app(
+def setup_app(static_files_dir: Optional[Path] = None, backend_only: bool = False) -> FastAPI:
-    static_files_dir: Optional[Path] = None, backend_only: bool = False
-) -> FastAPI:
     """Setup the FastAPI app."""
     # get the directory of the current file
     if not static_files_dir:

src/backend/langflow/processing/process.py

@@ -126,9 +126,7 @@ async def process_runnable(runnable: Runnable, inputs: Union[dict, List[dict]]):
     elif isinstance(inputs, dict) and hasattr(runnable, "ainvoke"):
         result = await runnable.ainvoke(inputs)
     else:
-        raise ValueError(
+        raise ValueError(f"Runnable {runnable} does not support inputs of type {type(inputs)}")
-            f"Runnable {runnable} does not support inputs of type {type(inputs)}"
-        )
     # Check if the result is a list of AIMessages
     if isinstance(result, list) and all(isinstance(r, AIMessage) for r in result):
         result = [r.content for r in result]
@@ -137,9 +135,7 @@ async def process_runnable(runnable: Runnable, inputs: Union[dict, List[dict]]):
     return result
 
 
-async def process_inputs_dict(
+async def process_inputs_dict(built_object: Union[Chain, VectorStore, Runnable], inputs: dict):
-    built_object: Union[Chain, VectorStore, Runnable], inputs: dict
-):
     if isinstance(built_object, Chain):
         if inputs is None:
             raise ValueError("Inputs must be provided for a Chain")
@@ -174,9 +170,7 @@ async def process_inputs_list(built_object: Runnable, inputs: List[dict]):
     return await process_runnable(built_object, inputs)
 
 
-async def generate_result(
+async def generate_result(built_object: Union[Chain, VectorStore, Runnable], inputs: Union[dict, List[dict]]):
-    built_object: Union[Chain, VectorStore, Runnable], inputs: Union[dict, List[dict]]
-):
     if isinstance(inputs, dict):
         result = await process_inputs_dict(built_object, inputs)
     elif isinstance(inputs, List) and isinstance(built_object, Runnable):
@@ -215,9 +209,7 @@ async def run_graph(
     else:
         graph_data = graph._graph_data
     if not session_id and session_service is not None:
-        session_id = session_service.generate_key(
+        session_id = session_service.generate_key(session_id=flow_id, data_graph=graph_data)
-            session_id=flow_id, data_graph=graph_data
-        )
     if inputs is None:
         inputs = {}
 
@@ -232,18 +224,14 @@ async def run_graph(
     return outputs, session_id
 
 
-def validate_input(
+def validate_input(graph_data: Dict[str, Any], tweaks: Dict[str, Dict[str, Any]]) -> List[Dict[str, Any]]:
-    graph_data: Dict[str, Any], tweaks: Dict[str, Dict[str, Any]]
-) -> List[Dict[str, Any]]:
     if not isinstance(graph_data, dict) or not isinstance(tweaks, dict):
         raise ValueError("graph_data and tweaks should be dictionaries")
 
     nodes = graph_data.get("data", {}).get("nodes") or graph_data.get("nodes")
 
     if not isinstance(nodes, list):
-        raise ValueError(
+        raise ValueError("graph_data should contain a list of nodes under 'data' key or directly under 'nodes' key")
-            "graph_data should contain a list of nodes under 'data' key or directly under 'nodes' key"
-        )
 
     return nodes
 
@@ -252,9 +240,7 @@ def apply_tweaks(node: Dict[str, Any], node_tweaks: Dict[str, Any]) -> None:
     template_data = node.get("data", {}).get("node", {}).get("template")
 
     if not isinstance(template_data, dict):
-        logger.warning(
+        logger.warning(f"Template data for node {node.get('id')} should be a dictionary")
-            f"Template data for node {node.get('id')} should be a dictionary"
-        )
         return
 
     for tweak_name, tweak_value in node_tweaks.items():
@@ -269,9 +255,7 @@ def apply_tweaks_on_vertex(vertex: Vertex, node_tweaks: Dict[str, Any]) -> None:
             vertex.params[tweak_name] = tweak_value
 
 
-def process_tweaks(
+def process_tweaks(graph_data: Dict[str, Any], tweaks: Dict[str, Dict[str, Any]]) -> Dict[str, Any]:
-    graph_data: Dict[str, Any], tweaks: Dict[str, Dict[str, Any]]
-) -> Dict[str, Any]:
     """
     This function is used to tweak the graph data using the node id and the tweaks dict.
 
@@ -307,8 +291,6 @@ def process_tweaks_on_graph(graph: Graph, tweaks: Dict[str, Dict[str, Any]]):
             if node_tweaks := tweaks.get(node_id):
                 apply_tweaks_on_vertex(vertex, node_tweaks)
         else:
-            logger.warning(
+            logger.warning("Each node should be a Vertex with an 'id' attribute of type str")
-                "Each node should be a Vertex with an 'id' attribute of type str"
-            )
 
     return graph

src/backend/langflow/schema/schema.py

@@ -63,9 +63,7 @@ class Record(BaseModel):
             return self.data.get(key, self._default_value)
         except KeyError:
             # Fallback to default behavior to raise AttributeError for undefined attributes
-            raise AttributeError(
+            raise AttributeError(f"'{type(self).__name__}' object has no attribute '{key}'")
-                f"'{type(self).__name__}' object has no attribute '{key}'"
-            )
 
     def __setattr__(self, key, value):
         """

src/backend/langflow/services/chat/utils.py

@@ -22,9 +22,7 @@ async def process_graph(
 
     if build_result is None:
         # Raise user facing error
-        raise ValueError(
+        raise ValueError("There was an error loading the langchain_object. Please, check all the nodes and try again.")
-            "There was an error loading the langchain_object. Please, check all the nodes and try again."
-        )
 
     # Generate result and thought
     try:
@@ -50,7 +48,5 @@ async def process_graph(
         raise e
 
 
-async def run_build_result(
+async def run_build_result(build_result: Any, chat_inputs: ChatMessage, client_id: str, session_id: str):
-    build_result: Any, chat_inputs: ChatMessage, client_id: str, session_id: str
-):
     return build_result(inputs=chat_inputs.message)

src/backend/langflow/services/database/models/flow/model.py

@@ -22,9 +22,7 @@ class FlowBase(SQLModel):
     icon_bg_color: Optional[str] = Field(default=None, nullable=True)
     data: Optional[Dict] = Field(default=None, nullable=True)
     is_component: Optional[bool] = Field(default=False, nullable=True)
-    updated_at: Optional[datetime] = Field(
+    updated_at: Optional[datetime] = Field(default_factory=datetime.utcnow, nullable=True)
-        default_factory=datetime.utcnow, nullable=True
-    )
     folder: Optional[str] = Field(default=None, nullable=True)
 
     @field_validator("icon_bg_color")

src/backend/langflow/services/database/service.py

@@ -36,10 +36,7 @@ class DatabaseService(Service):
     def _create_engine(self) -> "Engine":
         """Create the engine for the database."""
         settings_service = get_settings_service()
-        if (
+        if settings_service.settings.DATABASE_URL and settings_service.settings.DATABASE_URL.startswith("sqlite"):
-            settings_service.settings.DATABASE_URL
-            and settings_service.settings.DATABASE_URL.startswith("sqlite")
-        ):
             connect_args = {"check_same_thread": False}
         else:
             connect_args = {}
@@ -51,9 +48,7 @@ class DatabaseService(Service):
 
     def __exit__(self, exc_type, exc_value, traceback):
         if exc_type is not None:  # If an exception has been raised
-            logger.error(
+            logger.error(f"Session rollback because of exception: {exc_type.__name__} {exc_value}")
-                f"Session rollback because of exception: {exc_type.__name__} {exc_value}"
-            )
             self._session.rollback()
         else:
             self._session.commit()
@@ -70,9 +65,7 @@ class DatabaseService(Service):
         settings_service = get_settings_service()
         if settings_service.auth_settings.AUTO_LOGIN:
             with Session(self.engine) as session:
-                flows = session.exec(
+                flows = session.exec(select(models.Flow).where(models.Flow.user_id is None)).all()
-                    select(models.Flow).where(models.Flow.user_id is None)
-                ).all()
                 if flows:
                     logger.debug("Migrating flows to default superuser")
                     username = settings_service.auth_settings.SUPERUSER
@@ -102,9 +95,7 @@ class DatabaseService(Service):
             expected_columns = list(model.model_fields.keys())
 
             try:
-                available_columns = [
+                available_columns = [col["name"] for col in inspector.get_columns(table)]
-                    col["name"] for col in inspector.get_columns(table)
-                ]
             except sa.exc.NoSuchTableError:
                 logger.error(f"Missing table: {table}")
                 return False
@@ -161,9 +152,7 @@ class DatabaseService(Service):
         try:
             command.check(alembic_cfg)
         except Exception as exc:
-            if isinstance(
+            if isinstance(exc, (util.exc.CommandError, util.exc.AutogenerateDiffsDetected)):
-                exc, (util.exc.CommandError, util.exc.AutogenerateDiffsDetected)
-            ):
                 command.upgrade(alembic_cfg, "head")
                 time.sleep(3)
 
@@ -199,10 +188,7 @@ class DatabaseService(Service):
         # We will check that all models are in the database
         # and that the database is up to date with all columns
         sql_models = [models.Flow, models.User, models.ApiKey]
-        return [
+        return [TableResults(sql_model.__tablename__, self.check_table(sql_model)) for sql_model in sql_models]
-            TableResults(sql_model.__tablename__, self.check_table(sql_model))
-            for sql_model in sql_models
-        ]
 
     def check_table(self, model):
         results = []
@@ -211,9 +197,7 @@ class DatabaseService(Service):
         expected_columns = list(model.__fields__.keys())
         available_columns = []
         try:
-            available_columns = [
+            available_columns = [col["name"] for col in inspector.get_columns(table_name)]
-                col["name"] for col in inspector.get_columns(table_name)
-            ]
             results.append(Result(name=table_name, type="table", success=True))
         except sa.exc.NoSuchTableError:
             logger.error(f"Missing table: {table_name}")
@@ -244,9 +228,7 @@ class DatabaseService(Service):
             try:
                 table.create(self.engine, checkfirst=True)
             except OperationalError as oe:
-                logger.warning(
+                logger.warning(f"Table {table} already exists, skipping. Exception: {oe}")
-                    f"Table {table} already exists, skipping. Exception: {oe}"
-                )
             except Exception as exc:
                 logger.error(f"Error creating table {table}: {exc}")
                 raise RuntimeError(f"Error creating table {table}") from exc
@@ -258,9 +240,7 @@ class DatabaseService(Service):
             if table not in table_names:
                 logger.error("Something went wrong creating the database and tables.")
                 logger.error("Please check your database settings.")
-                raise RuntimeError(
+                raise RuntimeError("Something went wrong creating the database and tables.")
-                    "Something went wrong creating the database and tables."
-                )
 
         logger.debug("Database and tables created successfully")
 

src/backend/langflow/services/monitor/schema.py

@@ -10,9 +10,7 @@ if TYPE_CHECKING:
 
 class TransactionModel(BaseModel):
     id: Optional[int] = Field(default=None, alias="id")
-    timestamp: Optional[datetime] = Field(
+    timestamp: Optional[datetime] = Field(default_factory=datetime.now, alias="timestamp")
-        default_factory=datetime.now, alias="timestamp"
-    )
     source: str
     target: str
     target_args: dict
@@ -53,12 +51,8 @@ class MessageModel(BaseModel):
     @classmethod
     def from_record(cls, record: "Record"):
         # first check if the record has all the required fields
-        if not record.data or (
+        if not record.data or ("sender" not in record.data and "sender_name" not in record.data):
-            "sender" not in record.data and "sender_name" not in record.data
+            raise ValueError("The record does not have the required fields 'sender' and 'sender_name' in the data.")
-        ):
-            raise ValueError(
-                "The record does not have the required fields 'sender' and 'sender_name' in the data."
-            )
         return cls(
             sender=record.data["sender"],
             sender_name=record.data["sender_name"],

src/backend/langflow/services/settings/base.py

@@ -58,12 +58,10 @@ class Settings(BaseSettings):
 
     STORE: Optional[bool] = True
     STORE_URL: Optional[str] = "https://api.langflow.store"
-    DOWNLOAD_WEBHOOK_URL: Optional[str] = (
+    DOWNLOAD_WEBHOOK_URL: Optional[
-        "https://api.langflow.store/flows/trigger/ec611a61-8460-4438-b187-a4f65e5559d4"
+        str
-    )
+    ] = "https://api.langflow.store/flows/trigger/ec611a61-8460-4438-b187-a4f65e5559d4"
-    LIKE_WEBHOOK_URL: Optional[str] = (
+    LIKE_WEBHOOK_URL: Optional[str] = "https://api.langflow.store/flows/trigger/64275852-ec00-45c1-984e-3bff814732da"
-        "https://api.langflow.store/flows/trigger/64275852-ec00-45c1-984e-3bff814732da"
-    )
 
     STORAGE_TYPE: str = "local"
 
@@ -95,9 +93,7 @@ class Settings(BaseSettings):
     @validator("DATABASE_URL", pre=True)
     def set_database_url(cls, value, values):
         if not value:
-            logger.debug(
+            logger.debug("No database_url provided, trying LANGFLOW_DATABASE_URL env variable")
-                "No database_url provided, trying LANGFLOW_DATABASE_URL env variable"
-            )
             if langflow_database_url := os.getenv("LANGFLOW_DATABASE_URL"):
                 value = langflow_database_url
                 logger.debug("Using LANGFLOW_DATABASE_URL env variable.")
@@ -107,9 +103,7 @@ class Settings(BaseSettings):
                 # so we need to migrate to the new format
                 # if there is a database in that location
                 if not values["CONFIG_DIR"]:
-                    raise ValueError(
+                    raise ValueError("CONFIG_DIR not set, please set it or provide a DATABASE_URL")
-                        "CONFIG_DIR not set, please set it or provide a DATABASE_URL"
-                    )
 
                 new_path = f"{values['CONFIG_DIR']}/langflow.db"
                 if Path("./langflow.db").exists():
@@ -133,22 +127,15 @@ class Settings(BaseSettings):
         if os.getenv("LANGFLOW_COMPONENTS_PATH"):
             logger.debug("Adding LANGFLOW_COMPONENTS_PATH to components_path")
             langflow_component_path = os.getenv("LANGFLOW_COMPONENTS_PATH")
-            if (
+            if Path(langflow_component_path).exists() and langflow_component_path not in value:
-                Path(langflow_component_path).exists()
-                and langflow_component_path not in value
-            ):
                 if isinstance(langflow_component_path, list):
                     for path in langflow_component_path:
                         if path not in value:
                             value.append(path)
-                    logger.debug(
+                    logger.debug(f"Extending {langflow_component_path} to components_path")
-                        f"Extending {langflow_component_path} to components_path"
-                    )
                 elif langflow_component_path not in value:
                     value.append(langflow_component_path)
-                    logger.debug(
+                    logger.debug(f"Appending {langflow_component_path} to components_path")
-                        f"Appending {langflow_component_path} to components_path"
-                    )
 
         if not value:
             value = [BASE_COMPONENTS_PATH]
@@ -160,9 +147,7 @@ class Settings(BaseSettings):
         logger.debug(f"Components path: {value}")
         return value
 
-    model_config = SettingsConfigDict(
+    model_config = SettingsConfigDict(validate_assignment=True, extra="ignore", env_prefix="LANGFLOW_")
-        validate_assignment=True, extra="ignore", env_prefix="LANGFLOW_"
-    )
 
     # @model_validator()
     # @classmethod

src/backend/langflow/services/socket/utils.py

@@ -96,9 +96,7 @@ async def build_vertex(
         )
 
         # Emit the vertex build response
-        response = VertexBuildResponse(
+        response = VertexBuildResponse(valid=valid, params=params, id=vertex.id, data=result_dict)
-            valid=valid, params=params, id=vertex.id, data=result_dict
-        )
         await sio.emit("vertex_build", data=response.model_dump(), to=sid)
 
     except Exception as exc:

src/backend/langflow/services/task/service.py

@@ -74,9 +74,7 @@ class TaskService(Service):
             result = await result
         return task.id, result
 
-    async def launch_task(
+    async def launch_task(self, task_func: Callable[..., Any], *args: Any, **kwargs: Any) -> Any:
-        self, task_func: Callable[..., Any], *args: Any, **kwargs: Any
-    ) -> Any:
         logger.debug(f"Launching task {task_func} with args {args} and kwargs {kwargs}")
         logger.debug(f"Using backend {self.backend}")
         task = self.backend.launch_task(task_func, *args, **kwargs)

src/backend/langflow/services/utils.py

@@ -92,16 +92,12 @@ def get_or_create_super_user(session: Session, username, password, is_default):
                 )
                 return None
         else:
-            logger.debug(
+            logger.debug("User with superuser credentials exists but is not a superuser.")
-                "User with superuser credentials exists but is not a superuser."
-            )
             return None
 
     if user:
         if verify_password(password, user.password):
-            raise ValueError(
+            raise ValueError("User with superuser credentials exists but is not a superuser.")
-                "User with superuser credentials exists but is not a superuser."
-            )
         else:
             raise ValueError("Incorrect superuser credentials")
 
@@ -130,21 +126,15 @@ def setup_superuser(settings_service, session: Session):
     username = settings_service.auth_settings.SUPERUSER
     password = settings_service.auth_settings.SUPERUSER_PASSWORD
 
-    is_default = (username == DEFAULT_SUPERUSER) and (
+    is_default = (username == DEFAULT_SUPERUSER) and (password == DEFAULT_SUPERUSER_PASSWORD)
-        password == DEFAULT_SUPERUSER_PASSWORD
-    )
 
     try:
-        user = get_or_create_super_user(
+        user = get_or_create_super_user(session=session, username=username, password=password, is_default=is_default)
-            session=session, username=username, password=password, is_default=is_default
-        )
         if user is not None:
             logger.debug("Superuser created successfully.")
     except Exception as exc:
         logger.exception(exc)
-        raise RuntimeError(
+        raise RuntimeError("Could not create superuser. Please create a superuser manually.") from exc
-            "Could not create superuser. Please create a superuser manually."
-        ) from exc
     finally:
         settings_service.auth_settings.reset_credentials()
 
@@ -158,9 +148,7 @@ def teardown_superuser(settings_service, session):
 
     if not settings_service.auth_settings.AUTO_LOGIN:
         try:
-            logger.debug(
+            logger.debug("AUTO_LOGIN is set to False. Removing default superuser if exists.")
-                "AUTO_LOGIN is set to False. Removing default superuser if exists."
-            )
             username = DEFAULT_SUPERUSER
             from langflow.services.database.models.user.model import User
 
@@ -210,9 +198,7 @@ def initialize_session_service():
 
     initialize_settings_service()
 
-    service_manager.register_factory(
+    service_manager.register_factory(cache_factory.CacheServiceFactory(), dependencies=[ServiceType.SETTINGS_SERVICE])
-        cache_factory.CacheServiceFactory(), dependencies=[ServiceType.SETTINGS_SERVICE]
-    )
 
     service_manager.register_factory(
         session_service_factory.SessionServiceFactory(),
@@ -229,9 +215,7 @@ def initialize_services(fix_migration: bool = False, socketio_server=None):
             service_manager.register_factory(factory, dependencies=dependencies)
         except Exception as exc:
             logger.exception(exc)
-            raise RuntimeError(
+            raise RuntimeError("Could not initialize services. Please check your settings.") from exc
-                "Could not initialize services. Please check your settings."
-            ) from exc
 
     # Test cache connection
     service_manager.get(ServiceType.CACHE_SERVICE)
@@ -241,9 +225,7 @@ def initialize_services(fix_migration: bool = False, socketio_server=None):
     except Exception as exc:
         logger.error(exc)
         raise exc
-    setup_superuser(
+    setup_superuser(service_manager.get(ServiceType.SETTINGS_SERVICE), next(get_session()))
-        service_manager.get(ServiceType.SETTINGS_SERVICE), next(get_session())
-    )
     try:
         get_db_service().migrate_flows_if_auto_login()
     except Exception as exc:

src/backend/langflow/template/field/base.py

@@ -68,9 +68,7 @@ class TemplateField(BaseModel):
     refresh: Optional[bool] = None
     """Specifies if the field should be refreshed. Defaults to False."""
 
-    range_spec: Optional[RangeSpec] = Field(
+    range_spec: Optional[RangeSpec] = Field(default=None, serialization_alias="rangeSpec")
-        default=None, serialization_alias="rangeSpec"
-    )
     """Range specification for the field. Defaults to None."""
 
     title_case: bool = False
@@ -119,10 +117,6 @@ class TemplateField(BaseModel):
         if not isinstance(value, list):
             raise ValueError("file_types must be a list")
         return [
-            (
+            (f".{file_type}" if isinstance(file_type, str) and not file_type.startswith(".") else file_type)
-                f".{file_type}"
-                if isinstance(file_type, str) and not file_type.startswith(".")
-                else file_type
-            )
             for file_type in value
         ]

src/backend/langflow/template/frontend_node/base.py

@@ -174,9 +174,7 @@ class FrontendNode(BaseModel):
         return _type
 
     @staticmethod
-    def handle_special_field(
+    def handle_special_field(field, key: str, _type: str, SPECIAL_FIELD_HANDLERS) -> str:
-        field, key: str, _type: str, SPECIAL_FIELD_HANDLERS
-    ) -> str:
         """Handles special field by using the respective handler if present."""
         handler = SPECIAL_FIELD_HANDLERS.get(key)
         return handler(field) if handler else _type
@@ -187,11 +185,7 @@ class FrontendNode(BaseModel):
         if "dict" in _type.lower() and field.name == "dict_":
             field.field_type = "file"
             field.file_types = [".json", ".yaml", ".yml"]
-        elif (
+        elif _type.startswith("Dict") or _type.startswith("Mapping") or _type.startswith("dict"):
-            _type.startswith("Dict")
-            or _type.startswith("Mapping")
-            or _type.startswith("dict")
-        ):
             field.field_type = "dict"
         return _type
 
@@ -202,9 +196,7 @@ class FrontendNode(BaseModel):
             field.value = value["default"]
 
     @staticmethod
-    def handle_specific_field_values(
+    def handle_specific_field_values(field: TemplateField, key: str, name: Optional[str] = None) -> None:
-        field: TemplateField, key: str, name: Optional[str] = None
-    ) -> None:
         """Handles specific field values for certain fields."""
         if key == "headers":
             field.value = """{"Authorization": "Bearer <token>"}"""
@@ -212,9 +204,7 @@ class FrontendNode(BaseModel):
         FrontendNode._handle_api_key_specific_field_values(field, key, name)
 
     @staticmethod
-    def _handle_model_specific_field_values(
+    def _handle_model_specific_field_values(field: TemplateField, key: str, name: Optional[str] = None) -> None:
-        field: TemplateField, key: str, name: Optional[str] = None
-    ) -> None:
         """Handles specific field values related to models."""
         model_dict = {
             "OpenAI": constants.OPENAI_MODELS,
@@ -227,9 +217,7 @@ class FrontendNode(BaseModel):
             field.is_list = True
 
     @staticmethod
-    def _handle_api_key_specific_field_values(
+    def _handle_api_key_specific_field_values(field: TemplateField, key: str, name: Optional[str] = None) -> None:
-        field: TemplateField, key: str, name: Optional[str] = None
-    ) -> None:
         """Handles specific field values related to API keys."""
         if "api_key" in key and "OpenAI" in str(name):
             field.display_name = "OpenAI API Key"
@@ -269,10 +257,7 @@ class FrontendNode(BaseModel):
     @staticmethod
     def should_be_password(key: str, show: bool) -> bool:
         """Determines whether the field should be a password field."""
-        return (
+        return any(text in key.lower() for text in {"password", "token", "api", "key"}) and show
-            any(text in key.lower() for text in {"password", "token", "api", "key"})
-            and show
-        )
 
     @staticmethod
     def should_be_multiline(key: str) -> bool:

src/backend/langflow/template/frontend_node/memories.py

@@ -80,9 +80,7 @@ class MemoryFrontendNode(FrontendNode):
             field.show = True
             field.advanced = False
             field.value = ""
-            field.info = (
+            field.info = INPUT_KEY_INFO if field.name == "input_key" else OUTPUT_KEY_INFO
-                INPUT_KEY_INFO if field.name == "input_key" else OUTPUT_KEY_INFO
-            )
 
         if field.name == "memory_key":
             field.value = "chat_history"

src/backend/langflow/template/template/base.py

@@ -45,9 +45,7 @@ class Template(BaseModel):
         """Returns the field with the given name."""
         field = next((field for field in self.fields if field.name == field_name), None)
         if field is None:
-            raise ValueError(
+            raise ValueError(f"Field {field_name} not found in template {self.type_name}")
-                f"Field {field_name} not found in template {self.type_name}"
-            )
         return field
 
     def update_field(self, field_name: str, field: TemplateField) -> None:

src/backend/langflow/utils/util.py

@@ -15,12 +15,8 @@ def remove_ansi_escape_codes(text):
     return re.sub(r"\x1b\[[0-9;]*[a-zA-Z]", "", text)
 
 
-def build_template_from_function(
+def build_template_from_function(name: str, type_to_loader_dict: Dict, add_function: bool = False):
-    name: str, type_to_loader_dict: Dict, add_function: bool = False
+    classes = [item.__annotations__["return"].__name__ for item in type_to_loader_dict.values()]
-):
-    classes = [
-        item.__annotations__["return"].__name__ for item in type_to_loader_dict.values()
-    ]
 
     # Raise error if name is not in chains
     if name not in classes:
@@ -41,10 +37,8 @@ def build_template_from_function(
                 for name_, value_ in value.__repr_args__():
                     if name_ == "default_factory":
                         try:
-                            variables[class_field_items]["default"] = (
+                            variables[class_field_items]["default"] = get_default_factory(
-                                get_default_factory(
+                                module=_class.__base__.__module__, function=value_
-                                    module=_class.__base__.__module__, function=value_
-                                )
                             )
                         except Exception:
                             variables[class_field_items]["default"] = None
@@ -52,9 +46,7 @@ def build_template_from_function(
                         variables[class_field_items][name_] = value_
 
                 variables[class_field_items]["placeholder"] = (
-                    docs.params[class_field_items]
+                    docs.params[class_field_items] if class_field_items in docs.params else ""
-                    if class_field_items in docs.params
-                    else ""
                 )
             # Adding function to base classes to allow
             # the output to be a function
@@ -69,9 +61,7 @@ def build_template_from_function(
             }
 
 
-def build_template_from_class(
+def build_template_from_class(name: str, type_to_cls_dict: Dict, add_function: bool = False):
-    name: str, type_to_cls_dict: Dict, add_function: bool = False
-):
     classes = [item.__name__ for item in type_to_cls_dict.values()]
 
     # Raise error if name is not in chains
@@ -95,11 +85,9 @@ def build_template_from_class(
                     for name_, value_ in value.__repr_args__():
                         if name_ == "default_factory":
                             try:
-                                variables[class_field_items]["default"] = (
+                                variables[class_field_items]["default"] = get_default_factory(
-                                    get_default_factory(
+                                    module=_class.__base__.__module__,
-                                        module=_class.__base__.__module__,
+                                    function=value_,
-                                        function=value_,
-                                    )
                                 )
                             except Exception:
                                 variables[class_field_items]["default"] = None
@@ -107,9 +95,7 @@ def build_template_from_class(
                             variables[class_field_items][name_] = value_
 
                     variables[class_field_items]["placeholder"] = (
-                        docs.params[class_field_items]
+                        docs.params[class_field_items] if class_field_items in docs.params else ""
-                        if class_field_items in docs.params
-                        else ""
                     )
             base_classes = get_base_classes(_class)
             # Adding function to base classes to allow
@@ -141,9 +127,7 @@ def build_template_from_method(
 
             # Check if the method exists in this class
             if not hasattr(_class, method_name):
-                raise ValueError(
+                raise ValueError(f"Method {method_name} not found in class {class_name}")
-                    f"Method {method_name} not found in class {class_name}"
-                )
 
             # Get the method
             method = getattr(_class, method_name)
@@ -162,14 +146,8 @@ def build_template_from_method(
                 "_type": _type,
                 **{
                     name: {
-                        "default": (
+                        "default": (param.default if param.default != param.empty else None),
-                            param.default if param.default != param.empty else None
+                        "type": (param.annotation if param.annotation != param.empty else None),
-                        ),
-                        "type": (
-                            param.annotation
-                            if param.annotation != param.empty
-                            else None
-                        ),
                         "required": param.default == param.empty,
                     }
                     for name, param in params.items()
@@ -256,9 +234,7 @@ def sync_to_async(func):
     return async_wrapper
 
 
-def format_dict(
+def format_dict(dictionary: Dict[str, Any], class_name: Optional[str] = None) -> Dict[str, Any]:
-    dictionary: Dict[str, Any], class_name: Optional[str] = None
-) -> Dict[str, Any]:
     """
     Formats a dictionary by removing certain keys and modifying the
     values of other keys.
@@ -344,9 +320,7 @@ def check_list_type(_type: str, value: Dict[str, Any]) -> str:
         The modified type string.
     """
     if any(list_type in _type for list_type in ["List", "Sequence", "Set"]):
-        _type = (
+        _type = _type.replace("List[", "").replace("Sequence[", "").replace("Set[", "")[:-1]
-            _type.replace("List[", "").replace("Sequence[", "").replace("Set[", "")[:-1]
-        )
         value["list"] = True
     else:
         value["list"] = False
@@ -449,9 +423,7 @@ def set_headers_value(value: Dict[str, Any]) -> None:
     value["value"] = """{"Authorization": "Bearer <token>"}"""
 
 
-def add_options_to_field(
+def add_options_to_field(value: Dict[str, Any], class_name: Optional[str], key: str) -> None:
-    value: Dict[str, Any], class_name: Optional[str], key: str
-) -> None:
     """
     Adds options to the field based on the class name and key.
     """

src/backend/langflow/utils/validate.py

@@ -43,9 +43,7 @@ def validate_code(code):
     # Evaluate the function definition
     for node in tree.body:
         if isinstance(node, ast.FunctionDef):
-            code_obj = compile(
+            code_obj = compile(ast.Module(body=[node], type_ignores=[]), "<string>", "exec")
-                ast.Module(body=[node], type_ignores=[]), "<string>", "exec"
-            )
             try:
                 exec(code_obj)
             except Exception as e:
@@ -89,23 +87,15 @@ def execute_function(code, function_name, *args, **kwargs):
                         exec_globals,
                         locals(),
                     )
-                    exec_globals[alias.asname or alias.name] = importlib.import_module(
+                    exec_globals[alias.asname or alias.name] = importlib.import_module(alias.name)
-                        alias.name
-                    )
                 except ModuleNotFoundError as e:
-                    raise ModuleNotFoundError(
+                    raise ModuleNotFoundError(f"Module {alias.name} not found. Please install it and try again.") from e
-                        f"Module {alias.name} not found. Please install it and try again."
-                    ) from e
 
     function_code = next(
-        node
+        node for node in module.body if isinstance(node, ast.FunctionDef) and node.name == function_name
-        for node in module.body
-        if isinstance(node, ast.FunctionDef) and node.name == function_name
     )
     function_code.parent = None
-    code_obj = compile(
+    code_obj = compile(ast.Module(body=[function_code], type_ignores=[]), "<string>", "exec")
-        ast.Module(body=[function_code], type_ignores=[]), "<string>", "exec"
-    )
     try:
         exec(code_obj, exec_globals, locals())
     except Exception as exc:
@@ -132,23 +122,15 @@ def create_function(code, function_name):
         if isinstance(node, ast.Import):
             for alias in node.names:
                 try:
-                    exec_globals[alias.asname or alias.name] = importlib.import_module(
+                    exec_globals[alias.asname or alias.name] = importlib.import_module(alias.name)
-                        alias.name
-                    )
                 except ModuleNotFoundError as e:
-                    raise ModuleNotFoundError(
+                    raise ModuleNotFoundError(f"Module {alias.name} not found. Please install it and try again.") from e
-                        f"Module {alias.name} not found. Please install it and try again."
-                    ) from e
 
     function_code = next(
-        node
+        node for node in module.body if isinstance(node, ast.FunctionDef) and node.name == function_name
-        for node in module.body
-        if isinstance(node, ast.FunctionDef) and node.name == function_name
     )
     function_code.parent = None
-    code_obj = compile(
+    code_obj = compile(ast.Module(body=[function_code], type_ignores=[]), "<string>", "exec")
-        ast.Module(body=[function_code], type_ignores=[]), "<string>", "exec"
-    )
     with contextlib.suppress(Exception):
         exec(code_obj, exec_globals, locals())
     exec_globals[function_name] = locals()[function_name]
@@ -210,13 +192,9 @@ def prepare_global_scope(code, module):
         if isinstance(node, ast.Import):
             for alias in node.names:
                 try:
-                    exec_globals[alias.asname or alias.name] = importlib.import_module(
+                    exec_globals[alias.asname or alias.name] = importlib.import_module(alias.name)
-                        alias.name
-                    )
                 except ModuleNotFoundError as e:
-                    raise ModuleNotFoundError(
+                    raise ModuleNotFoundError(f"Module {alias.name} not found. Please install it and try again.") from e
-                        f"Module {alias.name} not found. Please install it and try again."
-                    ) from e
         elif isinstance(node, ast.ImportFrom) and node.module is not None:
             try:
                 imported_module = importlib.import_module(node.module)
@@ -237,11 +215,7 @@ def extract_class_code(module, class_name):
     :param class_name: Name of the class to extract
     :return: AST node of the specified class
     """
-    class_code = next(
+    class_code = next(node for node in module.body if isinstance(node, ast.ClassDef) and node.name == class_name)
-        node
-        for node in module.body
-        if isinstance(node, ast.ClassDef) and node.name == class_name
-    )
 
     class_code.parent = None
     return class_code
@@ -254,9 +228,7 @@ def compile_class_code(class_code):
     :param class_code: AST node of the class
     :return: Compiled code object of the class
     """
-    code_obj = compile(
+    code_obj = compile(ast.Module(body=[class_code], type_ignores=[]), "<string>", "exec")
-        ast.Module(body=[class_code], type_ignores=[]), "<string>", "exec"
-    )
     return code_obj
 
 
@@ -300,9 +272,7 @@ def get_default_imports(code_string):
     langflow_imports = list(CUSTOM_COMPONENT_SUPPORTED_TYPES.keys())
     necessary_imports = find_names_in_code(code_string, langflow_imports)
     langflow_module = importlib.import_module("langflow.field_typing")
-    default_imports.update(
+    default_imports.update({name: getattr(langflow_module, name) for name in necessary_imports})
-        {name: getattr(langflow_module, name) for name in necessary_imports}
-    )
 
     return default_imports
 

src/frontend/src/CustomNodes/GenericNode/components/parameterComponent/index.tsx

@@ -23,14 +23,16 @@ import {
   OUTPUT_HANDLER_HOVER,
   TOOLTIP_EMPTY,
 } from "../../../../constants/constants";
-import { postCustomComponentUpdate } from "../../../../controllers/API";
 import useAlertStore from "../../../../stores/alertStore";
 import useFlowStore from "../../../../stores/flowStore";
 import useFlowsManagerStore from "../../../../stores/flowsManagerStore";
 import { useTypesStore } from "../../../../stores/typesStore";
-import { APIClassType } from "../../../../types/api";
+import { APIClassType, ResponseErrorTypeAPI } from "../../../../types/api";
 import { ParameterComponentType } from "../../../../types/components";
-import { NodeDataType } from "../../../../types/flow";
+import {
+  handleUpdateValues,
+  throttledHandleUpdateValues,
+} from "../../../../utils/parameterUtils";
 import {
   convertObjToArray,
   convertValuesToNumbers,
@@ -86,81 +88,70 @@ export default function ParameterComponent({
 
   const takeSnapshot = useFlowsManagerStore((state) => state.takeSnapshot);
 
-  const handleUpdateValues = async (
-    name: string,
-    data: NodeDataType,
-    delayAnimation: boolean = true
-  ) => {
-    setIsLoading(true);
-    const code = data.node?.template["code"]?.value;
-    if (!code) {
-      console.error("Code not found in the template");
-      return;
-    }
-
-    await postCustomComponentUpdate(
-      code,
-      name,
-      data.node?.template[name]?.value
-    )
-      .then((res) => {
-        if (res.status === 200 && data.node?.template) {
-          setNode(data.id, (oldNode) => {
-            let newNode = cloneDeep(oldNode);
-
-            newNode.data = {
-              ...newNode.data,
-            };
-
-            newNode.data.node.template = res.data.template;
-
-            return newNode;
-          });
-        }
-      })
-      .catch((error) => {
-        console.error("Error occurred while updating the node:", error);
-        setErrorData({
-          title: "Error while updating the Component",
-          list: [error.response.data.detail.error ?? "Unknown error"],
-        });
-      });
-
-    renderTooltips();
-    if (delayAnimation) {
-      try {
-        // Wait for at least 500 milliseconds
-        await new Promise((resolve) => setTimeout(resolve, 500));
-        // Continue with the request
-        // If the request takes longer than 500 milliseconds, it will not wait an additional 500 milliseconds
-      } catch (error) {
-        console.error("Error occurred while waiting for refresh:", error);
-      } finally {
-        setIsLoading(false);
-      }
-    } else setIsLoading(false);
-  };
-
   useEffect(() => {
-    function fetchData() {
+    async function fetchData() {
       if (
         data.node?.template[name]?.refresh &&
-        Object.keys(data.node?.template[name]?.options ?? {}).length === 0
+        // options can be undefined but not an empty array
+        (data.node?.template[name]?.options?.length ?? 0) === 0
       ) {
-        handleUpdateValues(name, data, false);
+        setIsLoading(true);
+        try {
+          let newTemplate = await handleUpdateValues(name, data);
+          if (newTemplate) {
+            setNode(data.id, (oldNode) => {
+              let newNode = cloneDeep(oldNode);
+              newNode.data = {
+                ...newNode.data,
+              };
+              newNode.data.node.template = newTemplate;
+              return newNode;
+            });
+          }
+        } catch (error) {
+          let responseError = error as ResponseErrorTypeAPI;
+          setErrorData({
+            title: "Error while updating the Component",
+            list: [responseError.response.data.detail.error ?? "Unknown error"],
+          });
+        }
+        setIsLoading(false);
+        renderTooltips();
       }
     }
     fetchData();
   }, []);
-  const handleOnNewValue = (
+  const handleOnNewValue = async (
     newValue: string | string[] | boolean | Object[]
-  ): void => {
+  ): Promise<void> => {
     if (data.node!.template[name].value !== newValue) {
       takeSnapshot();
     }
-
+    const shouldUpdate =
+      data.node?.template[name].refresh &&
+      data.node!.template[name].value !== newValue;
+    console.log("shouldUpdate", shouldUpdate);
+    console.log(
+      "data.node!.template[name].value",
+      data.node!.template[name].value
+    );
+    console.log("newValue", newValue);
     data.node!.template[name].value = newValue; // necessary to enable ctrl+z inside the input
-
+    let newTemplate;
+    if (shouldUpdate) {
+      setIsLoading(true);
+      try {
+        newTemplate = await throttledHandleUpdateValues(name, data);
+      } catch (error) {
+        let responseError = error as ResponseErrorTypeAPI;
+        setErrorData({
+          title: "Error while updating the Component",
+          list: [responseError.response.data.detail.error ?? "Unknown error"],
+        });
+      }
+      setIsLoading(false);
+      // this de
+    }
     setNode(data.id, (oldNode) => {
       let newNode = cloneDeep(oldNode);
 
@@ -168,7 +159,9 @@ export default function ParameterComponent({
         ...newNode.data,
       };
 
-      newNode.data.node.template[name].value = newValue;
+      if (data.node?.template[name].refresh && newTemplate) {
+        newNode.data.node.template = newTemplate;
+      } else newNode.data.node.template[name].value = newValue;
 
       return newNode;
     });
@@ -300,11 +293,14 @@ export default function ParameterComponent({
       refHtml.current = <span>{TOOLTIP_EMPTY}</span>;
     }
   }
+  // If optionalHandle is an empty list, then it is not an optional handle
+  if (optionalHandle && optionalHandle.length === 0) {
+    optionalHandle = null;
+  }
 
   useEffect(() => {
     renderTooltips();
   }, [tooltipTitle, flow]);
-
   return !showNode ? (
     left && LANGFLOW_SUPPORTED_TYPES.has(type ?? "") && !optionalHandle ? (
       <></>
@@ -451,7 +447,9 @@ export default function ParameterComponent({
             {data.node?.template[name].list ? (
               <div
                 className={
-                  (data.node?.template[name].refresh ? "w-5/6 " : "") +
+                  // Commenting this out until we have a better
+                  // way to display
+                  // (data.node?.template[name].refresh ? "w-5/6 " : "") +
                   "flex-grow"
                 }
               >
@@ -465,7 +463,7 @@ export default function ParameterComponent({
                   }
                   onChange={handleOnNewValue}
                 />
-                {data.node?.template[name].refresh && (
+                {/* {data.node?.template[name].refresh && (
                   <div className="w-1/6">
                     <RefreshButton
                       isLoading={isLoading}
@@ -477,7 +475,7 @@ export default function ParameterComponent({
                       id={"refresh-button-" + name}
                     />
                   </div>
-                )}
+                )} */}
               </div>
             ) : data.node?.template[name].multiline ? (
               <TextAreaComponent
@@ -489,7 +487,12 @@ export default function ParameterComponent({
               />
             ) : (
               <div className="mt-2 flex w-full items-center">
-                <div className="w-5/6 flex-grow">
+                <div
+                  className={
+                    "flex-grow " +
+                    (data.node?.template[name].refresh ? "w-5/6" : "")
+                  }
+                >
                   <InputComponent
                     id={"input-" + name}
                     disabled={disabled}
@@ -648,8 +651,14 @@ export default function ParameterComponent({
               onChange={(newValue) => {
                 const valueToNumbers = convertValuesToNumbers(newValue);
                 setErrorDuplicateKey(hasDuplicateKeys(valueToNumbers));
-                handleOnNewValue(valueToNumbers);
+                // if data.node?.template[name].list is true, then the value is an array of objects
+                // else we need to get the first object of the array
+
+                if (data.node?.template[name].list) {
+                  handleOnNewValue(valueToNumbers);
+                } else handleOnNewValue(valueToNumbers[0]);
               }}
+              isList={data.node?.template[name].list ?? false}
             />
           </div>
         ) : (

src/frontend/src/components/AccordionComponent/index.tsx

@@ -50,9 +50,7 @@ export default function AccordionComponent({
             {trigger}
           </AccordionTrigger>
           <AccordionContent>
-            <div className="AccordionContent flex flex-col">
+            <div className="AccordionContent flex flex-col">{children}</div>
-              {children}
-            </div>
           </AccordionContent>
         </AccordionItem>
       </Accordion>

src/frontend/src/components/CrashErrorComponent/index.tsx

@@ -26,7 +26,7 @@ export default function CrashErrorComponent({
             <CardContent className="grid">
               <div>
                 <p>
-                Please report errors with detailed tracebacks on the{" "}
+                  Please report errors with detailed tracebacks on the{" "}
                   <a
                     href="https://github.com/logspace-ai/langflow/issues"
                     target="_blank"
@@ -37,7 +37,7 @@ export default function CrashErrorComponent({
                   </a>{" "}
                   page.
                   <br></br>
-                   Thank you!
+                  Thank you!
                 </p>
               </div>
             </CardContent>

src/frontend/src/components/NewFlowCardComponent/index.tsx

@@ -1,54 +1,33 @@
-import { useEffect, useState } from "react";
-import { getComponent, postLikeComponent } from "../../controllers/API";
-import DeleteConfirmationModal from "../../modals/DeleteConfirmationModal";
-import useAlertStore from "../../stores/alertStore";
-import useFlowsManagerStore from "../../stores/flowsManagerStore";
-import { useStoreStore } from "../../stores/storeStore";
-import { storeComponent } from "../../types/store";
-import cloneFLowWithParent from "../../utils/storeUtils";
-import { cn } from "../../utils/utils";
-import ShadTooltip from "../ShadTooltipComponent";
-import IconComponent from "../genericIconComponent";
-import { Badge } from "../ui/badge";
-import { Button } from "../ui/button";
-import {
-    Card,
-    CardContent,
-    CardDescription,
-    CardFooter,
-    CardHeader,
-    CardTitle,
-} from "../ui/card";
-import { FlowType } from "../../types/flow";
 import { useNavigate } from "react-router-dom";
+import useFlowsManagerStore from "../../stores/flowsManagerStore";
+import { cn } from "../../utils/utils";
+import IconComponent from "../genericIconComponent";
+import { Card, CardContent } from "../ui/card";
 
-export default function NewFlowCardComponent({
+export default function NewFlowCardComponent({}: {}) {
-}: {
+  const addFlow = useFlowsManagerStore((state) => state.addFlow);
-    }) {
+  const navigate = useNavigate();
-    const addFlow = useFlowsManagerStore((state) => state.addFlow);
-    const navigate = useNavigate();
 
-    return (
+  return (
-        <Card
+    <Card
-
+      className={cn(
-            className={cn(
+        "group relative flex h-48 w-2/6 flex-col justify-between overflow-hidden transition-all hover:shadow-md"
-                "group relative h-48 w-2/6 flex flex-col justify-between overflow-hidden transition-all hover:shadow-md",
+      )}
-            )}
+    >
+      <CardContent className="flex h-full w-full items-center justify-center align-middle">
+        <button
+          onClick={() => {
+            addFlow(true).then((id) => {
+              navigate("/flow/" + id);
+            });
+          }}
         >
-                <CardContent className="w-full h-full flex align-middle items-center justify-center">
+          <IconComponent
-            <button onClick={() => {
+            className={cn("h-12 w-12 text-muted-foreground")}
-              addFlow(true).then((id) => {
+            name="PlusCircle"
-                navigate("/flow/" + id);
+          />
-              });
+        </button>
-            }}>
+      </CardContent>
-                    <IconComponent
+    </Card>
-                        className={cn(
+  );
-                            "h-12 w-12 text-muted-foreground",
-                        )}
-                        name="PlusCircle"
-                    />
-            </button>
-                </CardContent>
-        </Card>
-    );
 }

src/frontend/src/components/codeTabsComponent/index.tsx

@@ -126,7 +126,7 @@ export default function CodeTabsComponent({
     <Tabs
       value={activeTab}
       className={
-        "api-modal-tabs m-0 inset-0 " +
+        "api-modal-tabs inset-0 m-0 " +
         (isMessage ? "dark " : "") +
         (dark && isMessage ? "bg-background" : "")
       }
@@ -195,7 +195,7 @@ export default function CodeTabsComponent({
               <SyntaxHighlighter
                 language={tab.language}
                 style={oneDark}
-                className="mt-0 h-full overflow-auto custom-scroll rounded-sm text-left" 
+                className="mt-0 h-full overflow-auto rounded-sm text-left custom-scroll"
               >
                 {tab.code}
               </SyntaxHighlighter>

src/frontend/src/components/exampleComponent/index.tsx

@@ -1,15 +1,10 @@
-import { useEffect, useState } from "react";
+import { useNavigate } from "react-router-dom";
-import { getComponent, postLikeComponent } from "../../controllers/API";
-import DeleteConfirmationModal from "../../modals/DeleteConfirmationModal";
-import useAlertStore from "../../stores/alertStore";
 import useFlowsManagerStore from "../../stores/flowsManagerStore";
-import { useStoreStore } from "../../stores/storeStore";
+import { FlowType } from "../../types/flow";
-import { storeComponent } from "../../types/store";
+import { updateIds } from "../../utils/reactflowUtils";
-import cloneFLowWithParent from "../../utils/storeUtils";
 import { cn } from "../../utils/utils";
 import ShadTooltip from "../ShadTooltipComponent";
 import IconComponent from "../genericIconComponent";
-import { Badge } from "../ui/badge";
 import { Button } from "../ui/button";
 import {
     Card,
@@ -18,20 +13,17 @@ import {
     CardHeader,
     CardTitle,
 } from "../ui/card";
-import { FlowType } from "../../types/flow";
-import { updateIds } from "../../utils/reactflowUtils";
-import { useNavigate } from "react-router-dom";
 
 export default function CollectionCardComponent({
-    flow,
+  flow,
 }: {
-    flow: FlowType;
+  flow: FlowType;
-    authorized?: boolean;
+  authorized?: boolean;
 }) {
     const addFlow = useFlowsManagerStore((state) => state.addFlow);
     const navigate = useNavigate();
     const emojiRegex = /\p{Emoji}/u;
-    const isEmoji= (str:string)=> emojiRegex.test(str);
+    const isEmoji = (str: string) => emojiRegex.test(str);
 
     return (
         <Card
@@ -43,20 +35,17 @@ export default function CollectionCardComponent({
                 <CardHeader>
                     <div>
                         <CardTitle className="flex w-full items-center justify-between gap-3 text-xl">
-                            {flow.icon && isEmoji(flow.icon) && (
+                            {flow.icon && (
-                                <div className="rounded-md p-2 flex align-middle items-center justify-center" style={{backgroundColor:flow.icon_bg_color}}>
+                                <div className="flex-shrink-0 h-7 w-7">
-
+                                    {flow.icon}
-                                    <div className="pl-0.5 h-7 w-7">
-                                        {flow.icon}
-                                    </div>
-
                                 </div>
+
                             )}
-                            {(!flow.icon || !isEmoji(flow.icon)) && <IconComponent
+                            {!flow.icon && <IconComponent
                                 className={cn(
                                     "flex-shrink-0 h-7 w-7 text-flow-icon",
                                 )}
-                                name={flow.icon || "Group"}
+                                name="Group"
                             />}
                             <ShadTooltip content={flow.name}>
                                 <div className="w-full truncate">{flow.name}</div>
@@ -73,12 +62,11 @@ export default function CollectionCardComponent({
 
             <CardFooter>
                 <div className="flex w-full items-center justify-between gap-2">
-                    <div className="flex w-full justify-end flex-wrap gap-2">
+                    <div className="flex w-full flex-wrap justify-end gap-2">
                         <Button
                             onClick={() => {
-                                updateIds(flow.data!)
+                                updateIds(flow.data!);
                                 addFlow(true, flow).then((id) => {
-
                                     navigate("/flow/" + id);
                                 });
                             }}

src/frontend/src/components/keypairListComponent/index.tsx

@@ -12,10 +12,11 @@ export default function KeypairListComponent({
   disabled,
   editNode = false,
   duplicateKey,
+  isList = true,
 }: KeyPairListComponentType): JSX.Element {
   useEffect(() => {
     if (disabled && value.length > 0 && value[0] !== "") {
-      onChange([""]);
+      onChange([{ "": "" }]);
     }
   }, [disabled]);
 
@@ -79,6 +80,7 @@ export default function KeypairListComponent({
                     : "keypair" + (index + 100).toString()
                 }
                 type="text"
+                disabled={disabled}
                 value={obj[key]}
                 className={editNode ? "input-edit-node" : ""}
                 placeholder="Type a value..."
@@ -87,7 +89,7 @@ export default function KeypairListComponent({
                 }
               />
 
-              {index === ref.current.length - 1 ? (
+              {isList && index === ref.current.length - 1 ? (
                 <button
                   onClick={() => {
                     let newInputList = _.cloneDeep(ref.current);
@@ -110,7 +112,7 @@ export default function KeypairListComponent({
                     className={"h-4 w-4 hover:text-accent-foreground"}
                   />
                 </button>
-              ) : (
+              ) : isList ? (
                 <button
                   onClick={() => {
                     let newInputList = _.cloneDeep(ref.current);
@@ -133,6 +135,8 @@ export default function KeypairListComponent({
                     className="h-4 w-4 hover:text-status-red"
                   />
                 </button>
+              ) : (
+                ""
               )}
             </div>
           );

src/frontend/src/components/newChatView/chatMessage/index.tsx

@@ -134,7 +134,7 @@ export default function ChatMessage({
           )}
         </div>
         {!chat.isSend ? (
-          <div className="form-modal-chat-text-position flex-grow min-w-96">
+          <div className="form-modal-chat-text-position min-w-96 flex-grow">
             <div className="form-modal-chat-text">
               {hidden && chat.thought && chat.thought !== "" && (
                 <div
@@ -155,9 +155,9 @@ export default function ChatMessage({
                 />
               )}
               {chat.thought && chat.thought !== "" && !hidden && <br></br>}
-              <div className="w-full flex flex-col">
+              <div className="flex w-full flex-col">
-                <div className="w-full flex flex-col dark:text-white">
+                <div className="flex w-full flex-col dark:text-white">
-                  <div className="w-full flex flex-col">
+                  <div className="flex w-full flex-col">
                     {useMemo(
                       () =>
                         chatMessage === "" && lockChat ? (
@@ -169,7 +169,7 @@ export default function ChatMessage({
                           <Markdown
                             remarkPlugins={[remarkGfm, remarkMath]}
                             rehypePlugins={[rehypeMathjax]}
-                            className="markdown flex flex-col prose text-primary word-break-break-word
+                            className="markdown prose flex flex-col text-primary word-break-break-word
 dark:prose-invert"
                             components={{
                               pre({ node, ...props }) {

src/frontend/src/components/ui/dialog.tsx

@@ -43,7 +43,7 @@ const DialogContent = React.forwardRef<
     <DialogPrimitive.Content
       ref={ref}
       className={cn(
-        "flex flex-col fixed left-[50%] top-[50%] z-50 w-full max-w-lg translate-x-[-50%] translate-y-[-50%] gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg md:w-full",
+        "fixed left-[50%] top-[50%] z-50 flex w-full max-w-lg translate-x-[-50%] translate-y-[-50%] flex-col gap-4 border bg-background p-6 shadow-lg duration-200 data-[state=open]:animate-in data-[state=closed]:animate-out data-[state=closed]:fade-out-0 data-[state=open]:fade-in-0 data-[state=closed]:zoom-out-95 data-[state=open]:zoom-in-95 data-[state=closed]:slide-out-to-left-1/2 data-[state=closed]:slide-out-to-top-[48%] data-[state=open]:slide-in-from-left-1/2 data-[state=open]:slide-in-from-top-[48%] sm:rounded-lg md:w-full",
         className
       )}
       {...props}

src/frontend/src/constants/alerts_constants.tsx

@@ -58,4 +58,3 @@ export const FLOW_BUILD_SUCCESS_ALERT = `Flow built successfully`;
 export const SAVE_SUCCESS_ALERT = "Changes saved successfully!";
 
 // Generic Node
-

src/frontend/src/constants/constants.ts

@@ -737,4 +737,5 @@ export const PRIORITY_SIDEBAR_ORDER = [
   "prompt",
   "models",
   "helpers",
+  "experimental",
 ];

src/frontend/src/modals/DeleteConfirmationModal/index.tsx

@@ -35,8 +35,7 @@ export default function DeleteConfirmationModal({
           </DialogTitle>
         </DialogHeader>
         <span>
-        Confirm deletion of {description ?? "component"}?
+          Confirm deletion of {description ?? "component"}?<br></br>
-          <br></br>
           Note: This action is irreversible.
         </span>
         <DialogFooter>

src/frontend/src/modals/EditNodeModal/index.tsx

@@ -165,8 +165,19 @@ const EditNodeModal = forwardRef(
                                 )
                             ) ?? false;
                           return (
-                            <TableRow key={index} className={"h-10 " + ((templateParam==="code" && myData.node?.template[templateParam].type==="code") || (templateParam.includes("code") && myData.node?.template[templateParam].proxy) ? " hidden " : "")
+                            <TableRow
-                          }>
+                              key={index}
+                              className={
+                                "h-10 " +
+                                ((templateParam === "code" &&
+                                  myData.node?.template[templateParam].type ===
+                                    "code") ||
+                                (templateParam.includes("code") &&
+                                  myData.node?.template[templateParam].proxy)
+                                  ? " hidden "
+                                  : "")
+                              }
+                            >
                               <TableCell className="truncate p-0 text-center text-sm text-foreground sm:px-3">
                                 <ShadTooltip
                                   content={

src/frontend/src/modals/codeAreaModal/index.tsx

@@ -24,6 +24,7 @@ import { postCustomComponent, postValidateCode } from "../../controllers/API";
 import useAlertStore from "../../stores/alertStore";
 import { useDarkStore } from "../../stores/darkStore";
 import useFlowStore from "../../stores/flowStore";
+import { CodeErrorDataTypeAPI } from "../../types/api";
 import { codeAreaModalPropsType } from "../../types/components";
 import BaseModal from "../baseModal";
 
@@ -50,7 +51,7 @@ export default function CodeAreaModal({
   const setSuccessData = useAlertStore((state) => state.setSuccessData);
   const setErrorData = useAlertStore((state) => state.setErrorData);
   const [error, setError] = useState<{
-    detail: { error: string | undefined; traceback: string | undefined };
+    detail: CodeErrorDataTypeAPI;
   } | null>(null);
 
   useEffect(() => {

src/frontend/src/modals/shareModal/index.tsx

@@ -179,7 +179,7 @@ export default function ShareModal({
             </span>
             <br></br>
             <span className=" text-xs text-destructive ">
-            Note: This action is irreversible.
+              Note: This action is irreversible.
             </span>
           </ConfirmationModal.Content>
         </ConfirmationModal>
@@ -204,7 +204,9 @@ export default function ShareModal({
           {children ? children : <></>}
         </BaseModal.Trigger>
         <BaseModal.Header
-          description={`Publish ${is_component ? "your component" : "workflow"} to the Langflow Store.`}
+          description={`Publish ${
+            is_component ? "your component" : "workflow"
+          } to the Langflow Store.`}
         >
           <span className="pr-2">Share</span>
           <IconComponent
@@ -239,7 +241,8 @@ export default function ShareModal({
             </label>
           </div>
           <span className=" text-xs text-destructive ">
-            <b>Attention:</b> API keys in specified fields are automatically removed upon sharing.
+            <b>Attention:</b> API keys in specified fields are automatically
+            removed upon sharing.
           </span>
         </BaseModal.Content>
 

src/frontend/src/pages/MainPage/components/components/index.tsx

@@ -14,7 +14,6 @@ import {
 import useAlertStore from "../../../../stores/alertStore";
 import useFlowsManagerStore from "../../../../stores/flowsManagerStore";
 import { FlowType } from "../../../../types/flow";
-import { STARTER_FOLDER_NAME } from "../../../../constants/constants";
 
 export default function ComponentsComponent({
   is_component = true,

src/frontend/src/pages/MainPage/index.tsx

@@ -2,6 +2,8 @@ import { Group, ToyBrick } from "lucide-react";
 import { useEffect, useState } from "react";
 import { Outlet, useLocation, useNavigate } from "react-router-dom";
 import DropdownButton from "../../components/DropdownButtonComponent";
+import NewFlowCardComponent from "../../components/NewFlowCardComponent";
+import ExampleCardComponent from "../../components/exampleComponent";
 import IconComponent from "../../components/genericIconComponent";
 import PageLayout from "../../components/pageLayout";
 import SidebarNav from "../../components/sidebarComponent";
@@ -11,12 +13,10 @@ import {
   MY_COLLECTION_DESC,
   USER_PROJECTS_HEADER,
 } from "../../constants/constants";
+import BaseModal from "../../modals/baseModal";
 import useAlertStore from "../../stores/alertStore";
 import useFlowsManagerStore from "../../stores/flowsManagerStore";
 import { downloadFlows } from "../../utils/reactflowUtils";
-import BaseModal from "../../modals/baseModal";
-import ExampleCardComponent from "../../components/exampleComponent";
-import NewFlowCardComponent from "../../components/NewFlowCardComponent";
 export default function HomePage(): JSX.Element {
   const addFlow = useFlowsManagerStore((state) => state.addFlow);
   const uploadFlow = useFlowsManagerStore((state) => state.uploadFlow);
@@ -41,8 +41,9 @@ export default function HomePage(): JSX.Element {
         })
           .then((id) => {
             setSuccessData({
-              title: `${is_component ? "Component" : "Flow"
+              title: `${
-                } uploaded successfully`,
+                is_component ? "Component" : "Flow"
+              } uploaded successfully`,
             });
             if (!is_component) navigate("/flow/" + id);
           })
@@ -117,24 +118,25 @@ export default function HomePage(): JSX.Element {
         </div>
       </div>
       <BaseModal open={openModal} setOpen={setOpenModal}>
-        <BaseModal.Header description={"Select a template or start from scratch"}>
+        <BaseModal.Header
+          description={"Select a template or start from scratch"}
+        >
           <span className="pr-2" data-testid="modal-title">
             Create a New Flow
           </span>
           <IconComponent
             name="Group"
-            className="h-6 w-6 text-primary stroke-2 "
+            className="h-6 w-6 stroke-2 text-primary "
             aria-hidden="true"
           />
         </BaseModal.Header>
         <BaseModal.Content>
-          <div className="flex flex-wrap w-full h-full p-4 gap-3 overflow-auto custom-scroll">
+          <div className="flex h-full w-full flex-wrap gap-3 overflow-auto p-4 custom-scroll">
             {examples.map((example, idx) => {
-              return( 
+              return <ExampleCardComponent key={idx} flow={example} />;
-              <ExampleCardComponent key={idx} flow={example} />)
             })}
-            <NewFlowCardComponent/>
+            <NewFlowCardComponent />
-            </div>
+          </div>
         </BaseModal.Content>
       </BaseModal>
     </PageLayout>

src/frontend/src/stores/flowsManagerStore.ts

@@ -2,6 +2,7 @@ import { AxiosError } from "axios";
 import { cloneDeep } from "lodash";
 import { Edge, Node, Viewport, XYPosition } from "reactflow";
 import { create } from "zustand";
+import { STARTER_FOLDER_NAME } from "../constants/constants";
 import {
   deleteFlowFromDatabase,
   readFlowsFromDatabase,
@@ -25,7 +26,6 @@ import useAlertStore from "./alertStore";
 import { useDarkStore } from "./darkStore";
 import useFlowStore from "./flowStore";
 import { useTypesStore } from "./typesStore";
-import { STARTER_FOLDER_NAME } from "../constants/constants";
 
 let saveTimeoutId: NodeJS.Timeout | null = null;
 
@@ -38,7 +38,7 @@ const past = {};
 const future = {};
 
 const useFlowsManagerStore = create<FlowsManagerStoreType>((set, get) => ({
-  examples:[],
+  examples: [],
   setExamples: (examples: FlowType[]) => {
     set({ examples });
   },
@@ -67,8 +67,16 @@ const useFlowsManagerStore = create<FlowsManagerStoreType>((set, get) => ({
         .then((dbData) => {
           if (dbData) {
             const { data, flows } = processFlows(dbData, false);
-            get().setExamples(flows.filter(f=>(f.folder===STARTER_FOLDER_NAME && !f.user_id)));
+            get().setExamples(
-            get().setFlows(flows.filter(f=>!(f.folder===STARTER_FOLDER_NAME && !f.user_id)));
+              flows.filter(
+                (f) => f.folder === STARTER_FOLDER_NAME && !f.user_id
+              )
+            );
+            get().setFlows(
+              flows.filter(
+                (f) => !(f.folder === STARTER_FOLDER_NAME && !f.user_id)
+              )
+            );
             useTypesStore.setState((state) => ({
               data: { ...state.data, ["saved_components"]: data },
             }));

src/frontend/src/types/api/index.ts

@@ -159,3 +159,17 @@ export type VertexDataTypeAPI = {
   timedelta?: number;
   duration?: string;
 };
+
+export type CodeErrorDataTypeAPI = {
+  error: string | undefined;
+  traceback: string | undefined;
+};
+
+// the error above is inside this error.response.data.detail.error
+// which comes from a request to the API
+// to type the error we need to know the structure of the object
+
+// error that has a response, that has a data, that has a detail, that has an error
+export type ResponseErrorTypeAPI = {
+  response: { data: { detail: CodeErrorDataTypeAPI } };
+};

src/frontend/src/types/flow/index.ts

@@ -15,8 +15,8 @@ export type FlowType = {
   parent?: string;
   folder?: string;
   user_id?: string;
-  icon?:string;
+  icon?: string;
-  icon_bg_color?:string;
+  icon_bg_color?: string;
 };
 
 export type NodeType = {

src/frontend/src/utils/parameterUtils.ts

@@ -0,0 +1,35 @@
+import { throttle } from "lodash";
+import { postCustomComponentUpdate } from "../controllers/API";
+import { ResponseErrorTypeAPI } from "../types/api";
+import { NodeDataType } from "../types/flow";
+
+export const handleUpdateValues = async (name: string, data: NodeDataType) => {
+  const code = data.node?.template["code"]?.value;
+  if (!code) {
+    console.error("Code not found in the template");
+    return;
+  }
+  try {
+    let newTemplate = await postCustomComponentUpdate(
+      code,
+      name,
+      data.node?.template[name]?.value
+    )
+      .then((res) => {
+        console.log("res", res);
+        if (res.status === 200 && data.node?.template) {
+          return res.data.template;
+        }
+      })
+      .catch((error) => {
+        throw error;
+      });
+    return newTemplate;
+  } catch (error) {
+    console.error("Error occurred while updating the node:", error);
+    let errorType = error as ResponseErrorTypeAPI;
+    throw errorType;
+  }
+};
+
+export const throttledHandleUpdateValues = throttle(handleUpdateValues, 10);

src/frontend/src/utils/styleUtils.ts

@@ -231,6 +231,7 @@ export const nodeColors: { [char: string]: string } = {
   toolkits: "#DB2C2C",
   wrappers: "#E6277A",
   helpers: "#31A3CC",
+  experimental: "#E6277A",
   langchain_utilities: "#31A3CC",
   output_parsers: "#E6A627",
   str: "#31a3cc",
@@ -262,6 +263,7 @@ export const nodeNames: { [char: string]: string } = {
   textsplitters: "Text Splitters",
   retrievers: "Retrievers",
   helpers: "Helpers",
+  experimental: "Experimental",
   langchain_utilities: "Utilities",
   output_parsers: "Output Parsers",
   custom_components: "Custom",
@@ -354,6 +356,7 @@ export const nodeIconsLucide: iconsType = {
   textsplitters: Scissors,
   wrappers: Gift,
   helpers: Wand2,
+  experimental: FlaskConical,
   langchain_utilities: PocketKnife,
   WolframAlphaAPIWrapper: SvgWolfram,
   output_parsers: Compass,

src/frontend/tailwind.config.js

@@ -87,7 +87,7 @@ module.exports = {
         "beta-foreground": "var(--beta-foreground)",
         "chat-bot-icon": "var(--chat-bot-icon)",
         "chat-user-icon": "var(--chat-user-icon)",
-        "ice": "var(--ice)",
+        ice: "var(--ice)",
 
         white: "var(--white)",
         border: "hsl(var(--border))",