Add dependencies and fix typing in callback.py, ConversationChain.py, constants.py, and custom_component.py

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

@@ -7,7 +7,7 @@ from langchain_core.callbacks.base import AsyncCallbackHandler, BaseCallbackHand
 from loguru import logger
 
 from langflow.api.v1.schemas import ChatResponse, PromptResponse
-from langflow.services.deps import get_chat_service
+from langflow.services.deps import get_chat_service, get_socket_service
 from langflow.utils.util import remove_ansi_escape_codes
 
 if TYPE_CHECKING:
@@ -21,7 +21,7 @@ class AsyncStreamingLLMCallbackHandleSIO(AsyncCallbackHandler):
     def __init__(self, session_id: str):
         self.chat_service = get_chat_service()
         self.client_id = session_id
-        self.socketio_service: "SocketIOService" = self.chat_service.socketio_service
+        self.socketio_service: "SocketIOService" = get_socket_service()
         self.sid = session_id
         # self.socketio_service = self.chat_service.active_connections[self.client_id]
 

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

@@ -34,12 +34,12 @@ class ConversationChainComponent(CustomComponent):
         result = chain.invoke({chain.input_key: input_value})
         # result is an AIMessage which is a subclass of BaseMessage
         # We need to check if it is a string or a BaseMessage
-        result_str = ""
+        result_str: str = ""
         if hasattr(result, "content") and isinstance(result.content, str):
-            self.status = "is message"
+
             result_str = result.content
         elif isinstance(result, str):
-            self.status = "is_string"
+
             result_str = result
         else:
             # is dict

src/backend/langflow/field_typing/constants.py

@@ -1,4 +1,4 @@
-from typing import Callable, Dict, Union
+from typing import Callable, Dict, NewType, Union
 
 from langchain.agents.agent import AgentExecutor
 from langchain.chains.base import Chain
@@ -22,9 +22,10 @@ class Object:
     pass
 
 
-# Text = NewType("Text", str)
+Text = NewType("Text", str)
-class Text(str):
+# class Text(str):
-    pass
+#     pass
+#
 
 
 class Data:

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

@@ -117,7 +117,7 @@ class CustomComponent(Component):
 
     def to_records(
         self, data: Any, text_key: str = "text", data_key: str = "data"
-    ) -> List[dict]:
+    ) -> List[Record]:
         """
         Convert data into a list of records.
 
@@ -312,7 +312,7 @@ class CustomComponent(Component):
     ) -> Any:
         graph = await self.load_flow(flow_id, tweaks)
         input_value_dict = {"input_value": input_value}
-        return await graph.run(input_value_dict)
+        return await graph.run(input_value_dict, stream=False)
 
     def list_flows(self, *, get_session: Optional[Callable] = None) -> List[Flow]:
         if not self._user_id: