improve: mordernizing validation by migrating pydantic from 1.x to 2.x (#4592)

api/core/entities/message_entities.py

@@ -17,7 +17,7 @@ class PromptMessageFileType(enum.Enum):
 
 class PromptMessageFile(BaseModel):
     type: PromptMessageFileType
-    data: Any
+    data: Any = None
 
 
 class ImagePromptMessageFile(PromptMessageFile):

api/core/entities/model_entities.py

@@ -1,7 +1,7 @@
 from enum import Enum
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from core.model_runtime.entities.common_entities import I18nObject
 from core.model_runtime.entities.model_entities import ModelType, ProviderModel
@@ -77,3 +77,6 @@ class DefaultModelEntity(BaseModel):
     model: str
     model_type: ModelType
     provider: DefaultModelProviderEntity
+
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())

api/core/entities/provider_configuration.py

@@ -6,7 +6,7 @@ from collections.abc import Iterator
 from json import JSONDecodeError
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from core.entities.model_entities import ModelStatus, ModelWithProviderEntity, SimpleModelProviderEntity
 from core.entities.provider_entities import (
@@ -54,6 +54,9 @@ class ProviderConfiguration(BaseModel):
     custom_configuration: CustomConfiguration
     model_settings: list[ModelSettings]
 
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())
+
     def __init__(self, **data):
         super().__init__(**data)
 
@@ -1019,7 +1022,6 @@ class ProviderModelBundle(BaseModel):
     provider_instance: ModelProvider
     model_type_instance: AIModel
 
-    class Config:
-        """Configuration for this pydantic object."""
-
-        arbitrary_types_allowed = True
+    # pydantic configs
+    model_config = ConfigDict(arbitrary_types_allowed=True,
+                              protected_namespaces=())

api/core/entities/provider_entities.py

@@ -1,7 +1,7 @@
 from enum import Enum
 from typing import Optional
 
-from pydantic import BaseModel
+from pydantic import BaseModel, ConfigDict
 
 from core.model_runtime.entities.model_entities import ModelType
 from models.provider import ProviderQuotaType
@@ -27,6 +27,9 @@ class RestrictModel(BaseModel):
     base_model_name: Optional[str] = None
     model_type: ModelType
 
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())
+
 
 class QuotaConfiguration(BaseModel):
     """
@@ -65,6 +68,9 @@ class CustomModelConfiguration(BaseModel):
     model_type: ModelType
     credentials: dict
 
+    # pydantic configs
+    model_config = ConfigDict(protected_namespaces=())
+
 
 class CustomConfiguration(BaseModel):
     """