lint and format

app/exception_handlers.py

@@ -1,82 +0,0 @@
-import orjson
-from fastapi import FastAPI, Request
-from fastapi.exceptions import ResponseValidationError
-from fastapi.responses import JSONResponse
-from rotoger import AppStructLogger
-from sqlalchemy.exc import SQLAlchemyError
-
-logger = AppStructLogger().get_logger()
-
-
-# TODO: add reasoning for this in readme plus higligh using re-raise in db session
-async def sqlalchemy_exception_handler(
-    request: Request, exc: SQLAlchemyError
-) -> JSONResponse:
-    request_path = request.url.path
-    try:
-        raw_body = await request.body()
-        request_body = orjson.loads(raw_body) if raw_body else None
-    except orjson.JSONDecodeError:
-        request_body = None
-
-    await logger.aerror(
-        "Database error occurred",
-        sql_error=repr(exc),
-        request_url=request_path,
-        request_body=request_body,
-    )
-
-    return JSONResponse(
-        status_code=500,
-        content={"message": "A database error occurred. Please try again later."},
-    )
-
-
-async def response_validation_exception_handler(
-    request: Request, exc: ResponseValidationError
-) -> JSONResponse:
-    request_path = request.url.path
-    try:
-        raw_body = await request.body()
-        request_body = orjson.loads(raw_body) if raw_body else None
-    except orjson.JSONDecodeError:
-        request_body = None
-
-    errors = exc.errors()
-
-    # Check if this is a None/null response case
-    is_none_response = False
-    for error in errors:
-        # Check for null input pattern
-        if error.get("input") is None and "valid dictionary" in error.get("msg", ""):
-            is_none_response = True
-            break
-
-    await logger.aerror(
-        "Response validation error occurred",
-        validation_errors=errors,
-        request_url=request_path,
-        request_body=request_body,
-        is_none_response=is_none_response,
-    )
-
-    if is_none_response:
-        # Return 404 when response is None (resource not found)
-        return JSONResponse(
-            status_code=404,
-            content={"no_response": "The requested resource was not found"},
-        )
-    else:
-        # Return 422 when response exists but doesn't match expected format
-        return JSONResponse(
-            status_code=422,
-            content={"response_format_error": errors},
-        )
-
-
-def register_exception_handlers(app: FastAPI) -> None:
-    """Register all exception handlers with the FastAPI app."""
-    app.add_exception_handler(SQLAlchemyError, sqlalchemy_exception_handler)
-    app.add_exception_handler(
-        ResponseValidationError, response_validation_exception_handler
-    )

app/exception_handlers/__init__.py

@@ -1,3 +1,3 @@
 from app.exception_handlers.registry import register_exception_handlers
 
-__all__ = ["register_exception_handlers"]
+__all__ = ["register_exception_handlers"]

app/exception_handlers/base.py

@@ -1,8 +1,7 @@
 import orjson
+from attrs import define, field
 from fastapi import Request
 from rotoger import AppStructLogger
-from attrs import define, field
-
 
 logger = AppStructLogger().get_logger()
 
@@ -10,6 +9,7 @@ logger = AppStructLogger().get_logger()
 @define(slots=True)
 class RequestInfo:
     """Contains extracted request information."""
+
     path: str = field()
     body: dict = field(default=None)
 
@@ -39,5 +39,5 @@ class BaseExceptionHandler:
             message,
             request_url=request_info.path,
             request_body=request_info.body,
-            **kwargs
-        )
+            **kwargs,
+        )

app/exception_handlers/database.py

@@ -1,6 +1,7 @@
 from fastapi import Request
 from fastapi.responses import JSONResponse
 from sqlalchemy.exc import SQLAlchemyError
+
 from app.exception_handlers.base import BaseExceptionHandler
 
 
@@ -8,16 +9,16 @@ class SQLAlchemyExceptionHandler(BaseExceptionHandler):
     """Handles SQLAlchemy database exceptions."""
 
     @classmethod
-    async def handle_exception(cls, request: Request, exc: SQLAlchemyError) -> JSONResponse:
+    async def handle_exception(
+        cls, request: Request, exc: SQLAlchemyError
+    ) -> JSONResponse:
         request_info = await cls.extract_request_info(request)
 
         await cls.log_error(
-            "Database error occurred",
-            request_info,
-            sql_error=repr(exc)
+            "Database error occurred", request_info, sql_error=repr(exc)
         )
 
         return JSONResponse(
             status_code=500,
-            content={"message": "A database error occurred. Please try again later."}
-        )
+            content={"message": "A database error occurred. Please try again later."},
+        )

app/exception_handlers/registry.py

@@ -1,11 +1,16 @@
 from fastapi import FastAPI
-from sqlalchemy.exc import SQLAlchemyError
 from fastapi.exceptions import ResponseValidationError
+from sqlalchemy.exc import SQLAlchemyError
 
 from app.exception_handlers.database import SQLAlchemyExceptionHandler
 from app.exception_handlers.validation import ResponseValidationExceptionHandler
 
+
 def register_exception_handlers(app: FastAPI) -> None:
     """Register all exception handlers with the FastAPI app."""
-    app.add_exception_handler(SQLAlchemyError, SQLAlchemyExceptionHandler.handle_exception)
-    app.add_exception_handler(ResponseValidationError, ResponseValidationExceptionHandler.handle_exception)
+    app.add_exception_handler(
+        SQLAlchemyError, SQLAlchemyExceptionHandler.handle_exception
+    )
+    app.add_exception_handler(
+        ResponseValidationError, ResponseValidationExceptionHandler.handle_exception
+    )

app/exception_handlers/validation.py

@@ -9,14 +9,18 @@ class ResponseValidationExceptionHandler(BaseExceptionHandler):
     """Handles response validation exceptions."""
 
     @classmethod
-    async def handle_exception(cls, request: Request, exc: ResponseValidationError) -> JSONResponse:
+    async def handle_exception(
+        cls, request: Request, exc: ResponseValidationError
+    ) -> JSONResponse:
         request_info = await cls.extract_request_info(request)
         errors = exc.errors()
 
         # Check if this is a None/null response case
         is_none_response = False
         for error in errors:
-            if error.get("input") is None and "valid dictionary" in error.get("msg", ""):
+            if error.get("input") is None and "valid dictionary" in error.get(
+                "msg", ""
+            ):
                 is_none_response = True
                 break
 
@@ -24,16 +28,15 @@ class ResponseValidationExceptionHandler(BaseExceptionHandler):
             "Response validation error occurred",
             request_info,
             validation_errors=errors,
-            is_none_response=is_none_response
+            is_none_response=is_none_response,
         )
 
         if is_none_response:
             return JSONResponse(
                 status_code=404,
-                content={"no_response": "The requested resource was not found"}
+                content={"no_response": "The requested resource was not found"},
             )
         else:
             return JSONResponse(
-                status_code=422,
-                content={"response_format_error": errors}
-            )
+                status_code=422, content={"response_format_error": errors}
+            )

tests/api/test_stuff.py

@@ -27,13 +27,17 @@ async def test_add_stuff(client: AsyncClient):
     )
     response = await client.post("/stuff", json=stuff)
     assert response.status_code == status.HTTP_500_INTERNAL_SERVER_ERROR
-    assert response.json() == snapshot({'message':'A database error occurred. Please try again later.'})
+    assert response.json() == snapshot(
+        {"message": "A database error occurred. Please try again later."}
+    )
 
 
 async def test_get_stuff(client: AsyncClient):
-    response = await client.get(f"/stuff/nonexistent")
+    response = await client.get("/stuff/nonexistent")
     assert response.status_code == status.HTTP_404_NOT_FOUND
-    assert response.json() == snapshot({'no_response':'The requested resource was not found'})
+    assert response.json() == snapshot(
+        {"no_response": "The requested resource was not found"}
+    )
     stuff = StuffFactory.build(factory_use_constructors=True).model_dump(mode="json")
     await client.post("/stuff", json=stuff)
     name = stuff["name"]