fix(core): Reorder field_validator and classmethod to fit Pydantic V2. (#5257)

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

@@ -1,7 +1,7 @@
 import os
 from typing import Literal, Optional, Union
 
-from pydantic import BaseModel, field_validator
+from pydantic import BaseModel, ValidationInfo, field_validator
 
 from core.workflow.entities.base_node_data_entities import BaseNodeData
 
@@ -24,13 +24,13 @@ class HttpRequestNodeData(BaseNodeData):
         type: Literal['no-auth', 'api-key']
         config: Optional[Config]
 
-        @classmethod
         @field_validator('config', mode='before')
-        def check_config(cls, v, values):
+        @classmethod
+        def check_config(cls, v: Config, values: ValidationInfo):
             """
             Check config, if type is no-auth, config should be None, otherwise it should be a dict.
             """
-            if values['type'] == 'no-auth':
+            if values.data['type'] == 'no-auth':
                 return None
             else:
                 if not v or not isinstance(v, dict):

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

@@ -25,8 +25,8 @@ class ParameterConfig(BaseModel):
     description: str
     required: bool
 
-    @classmethod
     @field_validator('name', mode='before')
+    @classmethod
     def validate_name(cls, value) -> str:
         if not value:
             raise ValueError('Parameter name is required')
@@ -45,8 +45,8 @@ class ParameterExtractorNodeData(BaseNodeData):
     memory: Optional[MemoryConfig] = None
     reasoning_mode: Literal['function_call', 'prompt']
 
-    @classmethod
     @field_validator('reasoning_mode', mode='before')
+    @classmethod
     def set_reasoning_mode(cls, v) -> str:
         return v or 'function_call'
 

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

@@ -14,9 +14,9 @@ class ToolEntity(BaseModel):
     tool_label: str # redundancy
     tool_configurations: dict[str, Any]
 
-    @classmethod
     @field_validator('tool_configurations', mode='before')
-    def validate_tool_configurations(cls, value, values: ValidationInfo) -> dict[str, Any]:
+    @classmethod
+    def validate_tool_configurations(cls, value, values: ValidationInfo):
         if not isinstance(value, dict):
             raise ValueError('tool_configurations must be a dictionary')
         
@@ -32,8 +32,8 @@ class ToolNodeData(BaseNodeData, ToolEntity):
         value: Union[Any, list[str]]
         type: Literal['mixed', 'variable', 'constant']
 
-        @classmethod
         @field_validator('type', mode='before')
+        @classmethod
         def check_type(cls, value, validation_info: ValidationInfo):
             typ = value
             value = validation_info.data.get('value')