chore: add ast-grep rule to convert Optional[T] to T | None (#25560)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

api/core/workflow/nodes/iteration/entities.py

@@ -1,5 +1,5 @@
 from enum import StrEnum
-from typing import Any, Optional
+from typing import Any
 
 from pydantic import Field
 
@@ -17,7 +17,7 @@ class IterationNodeData(BaseIterationNodeData):
     Iteration Node Data.
     """
 
-    parent_loop_id: Optional[str] = None  # redundant field, not used currently
+    parent_loop_id: str | None = None  # redundant field, not used currently
     iterator_selector: list[str]  # variable selector
     output_selector: list[str]  # output selector
     is_parallel: bool = False  # open the parallel mode or not
@@ -39,7 +39,7 @@ class IterationState(BaseIterationState):
     """
 
     outputs: list[Any] = Field(default_factory=list)
-    current_output: Optional[Any] = None
+    current_output: Any | None = None
 
     class MetaData(BaseIterationState.MetaData):
         """
@@ -48,7 +48,7 @@ class IterationState(BaseIterationState):
 
         iterator_length: int
 
-    def get_last_output(self) -> Optional[Any]:
+    def get_last_output(self) -> Any | None:
         """
         Get last output.
         """
@@ -56,7 +56,7 @@ class IterationState(BaseIterationState):
             return self.outputs[-1]
         return None
 
-    def get_current_output(self) -> Optional[Any]:
+    def get_current_output(self) -> Any | None:
         """
         Get current output.
         """

api/core/workflow/nodes/iteration/iteration_node.py

@@ -6,7 +6,7 @@ from collections.abc import Generator, Mapping, Sequence
 from concurrent.futures import Future, wait
 from datetime import datetime
 from queue import Empty, Queue
-from typing import TYPE_CHECKING, Any, Optional, cast
+from typing import TYPE_CHECKING, Any, cast
 
 from flask import Flask, current_app
 
@@ -70,7 +70,7 @@ class IterationNode(BaseNode):
     def init_node_data(self, data: Mapping[str, Any]):
         self._node_data = IterationNodeData.model_validate(data)
 
-    def _get_error_strategy(self) -> Optional[ErrorStrategy]:
+    def _get_error_strategy(self) -> ErrorStrategy | None:
         return self._node_data.error_strategy
 
     def _get_retry_config(self) -> RetryConfig:
@@ -79,7 +79,7 @@ class IterationNode(BaseNode):
     def _get_title(self) -> str:
         return self._node_data.title
 
-    def _get_description(self) -> Optional[str]:
+    def _get_description(self) -> str | None:
         return self._node_data.desc
 
     def _get_default_value_dict(self) -> dict[str, Any]:
@@ -89,7 +89,7 @@ class IterationNode(BaseNode):
         return self._node_data
 
     @classmethod
-    def get_default_config(cls, filters: Optional[dict] = None):
+    def get_default_config(cls, filters: dict | None = None):
         return {
             "type": "iteration",
             "config": {
@@ -424,7 +424,7 @@ class IterationNode(BaseNode):
         graph_engine: "GraphEngine",
         iteration_graph: Graph,
         iter_run_map: dict[str, float],
-        parallel_mode_run_id: Optional[str] = None,
+        parallel_mode_run_id: str | None = None,
     ) -> Generator[NodeEvent | InNodeEvent, None, None]:
         """
         run single iteration

api/core/workflow/nodes/iteration/iteration_start_node.py

@@ -1,5 +1,5 @@
 from collections.abc import Mapping
-from typing import Any, Optional
+from typing import Any
 
 from core.workflow.entities.node_entities import NodeRunResult
 from core.workflow.entities.workflow_node_execution import WorkflowNodeExecutionStatus
@@ -21,7 +21,7 @@ class IterationStartNode(BaseNode):
     def init_node_data(self, data: Mapping[str, Any]):
         self._node_data = IterationStartNodeData(**data)
 
-    def _get_error_strategy(self) -> Optional[ErrorStrategy]:
+    def _get_error_strategy(self) -> ErrorStrategy | None:
         return self._node_data.error_strategy
 
     def _get_retry_config(self) -> RetryConfig:
@@ -30,7 +30,7 @@ class IterationStartNode(BaseNode):
     def _get_title(self) -> str:
         return self._node_data.title
 
-    def _get_description(self) -> Optional[str]:
+    def _get_description(self) -> str | None:
         return self._node_data.desc
 
     def _get_default_value_dict(self) -> dict[str, Any]: