Fix dependency conflicts and update to FastAPI 0.100.x

- Update FastAPI from 0.96.x to 0.100.x to support Pydantic 2.x
- Update uvicorn from 0.22.x to 0.23.x for compatibility
- Update Pydantic model configurations to use model_config instead of Config class
- Keep Pydantic 2.x version as required by the project

app/schemas/news.py

@@ -18,8 +18,9 @@ class NewsSource(NewsSourceBase):
     created_at: datetime
     updated_at: datetime
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class NewsCategoryBase(BaseModel):
@@ -35,8 +36,9 @@ class NewsCategory(NewsCategoryBase):
     created_at: datetime
     updated_at: datetime
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class NewsArticleBase(BaseModel):
@@ -72,8 +74,9 @@ class NewsArticle(NewsArticleBase):
     source: Optional[NewsSource] = None
     category: Optional[NewsCategory] = None
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class SavedArticleBase(BaseModel):
@@ -92,8 +95,9 @@ class SavedArticle(SavedArticleBase):
     updated_at: datetime
     article: Optional[NewsArticle] = None
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class UserPreferenceBase(BaseModel):
@@ -118,8 +122,9 @@ class UserPreference(UserPreferenceBase):
     created_at: datetime
     updated_at: datetime
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 # For API responses

app/schemas/user.py

@@ -25,8 +25,9 @@ class UserInDBBase(UserBase):
     created_at: Optional[datetime] = None
     updated_at: Optional[datetime] = None
 
-    class Config:
-        from_attributes = True
+    model_config = {
+        "from_attributes": True
+    }
 
 
 class User(UserInDBBase):

requirements.txt

@@ -1,5 +1,5 @@
-fastapi>=0.96.0,<0.97.0
-uvicorn>=0.22.0,<0.23.0
+fastapi>=0.100.0,<0.101.0
+uvicorn>=0.23.0,<0.24.0
 pydantic>=2.0.0,<3.0.0
 pydantic-settings>=2.0.0,<3.0.0
 sqlalchemy>=2.0.0,<3.0.0