chore: apply ruff's pyupgrade linter rules to modernize Python code with targeted version (#2419)

api/core/callback_handler/agent_loop_gather_callback_handler.py

@@ -1,7 +1,7 @@
 import json
 import logging
 import time
-from typing import Any, Dict, List, Optional, Union, cast
+from typing import Any, Optional, Union, cast
 
 from langchain.agents import openai_functions_agent, openai_functions_multi_agent
 from langchain.callbacks.base import BaseCallbackHandler
@@ -37,7 +37,7 @@ class AgentLoopGatherCallbackHandler(BaseCallbackHandler):
         self._message_agent_thought = None
 
     @property
-    def agent_loops(self) -> List[AgentLoop]:
+    def agent_loops(self) -> list[AgentLoop]:
         return self._agent_loops
 
     def clear_agent_loops(self) -> None:
@@ -95,14 +95,14 @@ class AgentLoopGatherCallbackHandler(BaseCallbackHandler):
 
     def on_chat_model_start(
             self,
-            serialized: Dict[str, Any],
-            messages: List[List[BaseMessage]],
+            serialized: dict[str, Any],
+            messages: list[list[BaseMessage]],
             **kwargs: Any
     ) -> Any:
         pass
 
     def on_llm_start(
-        self, serialized: Dict[str, Any], prompts: List[str], **kwargs: Any
+        self, serialized: dict[str, Any], prompts: list[str], **kwargs: Any
     ) -> None:
         pass
 
@@ -120,7 +120,7 @@ class AgentLoopGatherCallbackHandler(BaseCallbackHandler):
 
     def on_tool_start(
         self,
-        serialized: Dict[str, Any],
+        serialized: dict[str, Any],
         input_str: str,
         **kwargs: Any,
     ) -> None:

api/core/callback_handler/agent_tool_callback_handler.py

@@ -1,5 +1,5 @@
 import os
-from typing import Any, Dict, Optional, Union
+from typing import Any, Optional, Union
 
 from langchain.callbacks.base import BaseCallbackHandler
 from langchain.input import print_text
@@ -21,7 +21,7 @@ class DifyAgentCallbackHandler(BaseCallbackHandler, BaseModel):
     def on_tool_start(
         self,
         tool_name: str,
-        tool_inputs: Dict[str, Any],
+        tool_inputs: dict[str, Any],
     ) -> None:
         """Do nothing."""
         print_text("\n[on_tool_start] ToolCall:" + tool_name + "\n" + str(tool_inputs) + "\n", color=self.color)
@@ -29,7 +29,7 @@ class DifyAgentCallbackHandler(BaseCallbackHandler, BaseModel):
     def on_tool_end(
         self,
         tool_name: str,
-        tool_inputs: Dict[str, Any],
+        tool_inputs: dict[str, Any],
         tool_outputs: str,
     ) -> None:
         """If not the final action, print out observation."""

api/core/callback_handler/index_tool_callback_handler.py

@@ -1,4 +1,3 @@
-from typing import List
 
 from langchain.schema import Document
 
@@ -40,7 +39,7 @@ class DatasetIndexToolCallbackHandler:
         db.session.add(dataset_query)
         db.session.commit()
 
-    def on_tool_end(self, documents: List[Document]) -> None:
+    def on_tool_end(self, documents: list[Document]) -> None:
         """Handle tool end."""
         for document in documents:
             doc_id = document.metadata['doc_id']
@@ -55,7 +54,7 @@ class DatasetIndexToolCallbackHandler:
 
             db.session.commit()
 
-    def return_retriever_resource_info(self, resource: List):
+    def return_retriever_resource_info(self, resource: list):
         """Handle return_retriever_resource_info."""
         if resource and len(resource) > 0:
             for item in resource:

api/core/callback_handler/std_out_callback_handler.py

@@ -1,6 +1,6 @@
 import os
 import sys
-from typing import Any, Dict, List, Optional, Union
+from typing import Any, Optional, Union
 
 from langchain.callbacks.base import BaseCallbackHandler
 from langchain.input import print_text
@@ -16,8 +16,8 @@ class DifyStdOutCallbackHandler(BaseCallbackHandler):
 
     def on_chat_model_start(
             self,
-            serialized: Dict[str, Any],
-            messages: List[List[BaseMessage]],
+            serialized: dict[str, Any],
+            messages: list[list[BaseMessage]],
             **kwargs: Any
     ) -> Any:
         print_text("\n[on_chat_model_start]\n", color='blue')
@@ -26,7 +26,7 @@ class DifyStdOutCallbackHandler(BaseCallbackHandler):
                 print_text(str(sub_message) + "\n", color='blue')
 
     def on_llm_start(
-        self, serialized: Dict[str, Any], prompts: List[str], **kwargs: Any
+        self, serialized: dict[str, Any], prompts: list[str], **kwargs: Any
     ) -> None:
         """Print out the prompts."""
         print_text("\n[on_llm_start]\n", color='blue')
@@ -48,13 +48,13 @@ class DifyStdOutCallbackHandler(BaseCallbackHandler):
         print_text("\n[on_llm_error]\nError: " + str(error) + "\n", color='blue')
 
     def on_chain_start(
-        self, serialized: Dict[str, Any], inputs: Dict[str, Any], **kwargs: Any
+        self, serialized: dict[str, Any], inputs: dict[str, Any], **kwargs: Any
     ) -> None:
         """Print out that we are entering a chain."""
         chain_type = serialized['id'][-1]
         print_text("\n[on_chain_start]\nChain: " + chain_type + "\nInputs: " + str(inputs) + "\n", color='pink')
 
-    def on_chain_end(self, outputs: Dict[str, Any], **kwargs: Any) -> None:
+    def on_chain_end(self, outputs: dict[str, Any], **kwargs: Any) -> None:
         """Print out that we finished a chain."""
         print_text("\n[on_chain_end]\nOutputs: " + str(outputs) + "\n", color='pink')
 
@@ -66,7 +66,7 @@ class DifyStdOutCallbackHandler(BaseCallbackHandler):
 
     def on_tool_start(
         self,
-        serialized: Dict[str, Any],
+        serialized: dict[str, Any],
         input_str: str,
         **kwargs: Any,
     ) -> None: