feat: knowledge pipeline (#25360)

Signed-off-by: -LAN- <laipz8200@outlook.com>
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api/core/helper/code_executor/code_node_provider.py

@@ -1,9 +1,33 @@
-from abc import abstractmethod
+from abc import ABC, abstractmethod
+from collections.abc import Mapping, Sequence
+from typing import TypedDict
 
 from pydantic import BaseModel
 
 
-class CodeNodeProvider(BaseModel):
+class VariableConfig(TypedDict):
+    variable: str
+    value_selector: Sequence[str | int]
+
+
+class OutputConfig(TypedDict):
+    type: str
+    children: None
+
+
+class CodeConfig(TypedDict):
+    variables: Sequence[VariableConfig]
+    code_language: str
+    code: str
+    outputs: Mapping[str, OutputConfig]
+
+
+class DefaultConfig(TypedDict):
+    type: str
+    config: CodeConfig
+
+
+class CodeNodeProvider(BaseModel, ABC):
     @staticmethod
     @abstractmethod
     def get_language() -> str:
@@ -22,11 +46,14 @@ class CodeNodeProvider(BaseModel):
         pass
 
     @classmethod
-    def get_default_config(cls):
+    def get_default_config(cls) -> DefaultConfig:
         return {
             "type": "code",
             "config": {
-                "variables": [{"variable": "arg1", "value_selector": []}, {"variable": "arg2", "value_selector": []}],
+                "variables": [
+                    {"variable": "arg1", "value_selector": []},
+                    {"variable": "arg2", "value_selector": []},
+                ],
                 "code_language": cls.get_language(),
                 "code": cls.get_default_code(),
                 "outputs": {"result": {"type": "string", "children": None}},