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fastapi/exception_handlers.py
) async def request_validation_exception_handler( request: Request, exc: RequestValidationError ) -> JSONResponse: return JSONResponse( status_code=HTTP_422_UNPROCESSABLE_ENTITY, content={"detail": jsonable_encoder(exc.errors())}, ) async def websocket_request_validation_exception_handler( websocket: WebSocket, exc: WebSocketRequestValidationError ) -> None:
Python - Registered: Sun Apr 28 07:19:10 GMT 2024 - Last Modified: Sun Jun 11 19:08:14 GMT 2023 - 1.3K bytes - Viewed (0) -
tests/test_exception_handlers.py
app = FastAPI( exception_handlers={ HTTPException: http_exception_handler, RequestValidationError: request_validation_exception_handler, Exception: server_error_exception_handler, } ) client = TestClient(app) @app.get("/http-exception") def route_with_http_exception(): raise HTTPException(status_code=400) @app.get("/request-validation/{param}/")
Python - Registered: Sun Apr 28 07:19:10 GMT 2024 - Last Modified: Thu Feb 17 12:40:12 GMT 2022 - 1.9K bytes - Viewed (0) -
docs/en/docs/tutorial/handling-errors.md
## Override the default exception handlers **FastAPI** has some default exception handlers. These handlers are in charge of returning the default JSON responses when you `raise` an `HTTPException` and when the request has invalid data. You can override these exception handlers with your own. ### Override request validation exceptions
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docs/en/docs/advanced/events.md
{!../../../docs_src/events/tutorial001.py!} ``` In this case, the `startup` event handler function will initialize the items "database" (just a `dict`) with some values. You can add more than one event handler function. And your application won't start receiving requests until all the `startup` event handlers have completed. ### `shutdown` event
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docs/en/docs/tutorial/dependencies/dependencies-with-yield.md
This was changed in version 0.110.0 to fix unhandled memory consumption from forwarded exceptions without a handler (internal server errors), and to make it consistent with the behavior of regular Python code.
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docs/ru/docs/tutorial/dependencies/dependencies-with-yield.md
opt raise dep -->> handler: Raise HTTPException handler -->> client: HTTP error response dep -->> dep: Raise other exception end dep ->> operation: Run dependency, e.g. DB session opt raise operation -->> dep: Raise HTTPException dep -->> handler: Auto forward exception handler -->> client: HTTP error response
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docs/zh/docs/tutorial/dependencies/dependencies-with-yield.md
!!! tip 在`yield`之前仍然可以引发包括`HTTPException`在内的异常,但在`yield`之后则不行。 执行的顺序大致如下图所示。时间从上到下流动。每列都是相互交互或执行代码的其中一部分。 ```mermaid sequenceDiagram participant client as Client participant handler as Exception handler participant dep as Dep with yield participant operation as Path Operation
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tests/test_router_events.py
sub_router_shutdown: bool = False @pytest.fixture def state() -> State: return State() @pytest.mark.filterwarnings( r"ignore:\s*on_event is deprecated, use lifespan event handlers instead.*:DeprecationWarning" ) def test_router_events(state: State) -> None: app = FastAPI() @app.get("/") def main() -> Dict[str, str]: return {"message": "Hello World"}
Python - Registered: Sun Apr 28 07:19:10 GMT 2024 - Last Modified: Wed Oct 18 12:36:40 GMT 2023 - 3.2K bytes - Viewed (0) -
fastapi/applications.py
) self.exception_handlers: Dict[ Any, Callable[[Request, Any], Union[Response, Awaitable[Response]]] ] = {} if exception_handlers is None else dict(exception_handlers) self.exception_handlers.setdefault(HTTPException, http_exception_handler) self.exception_handlers.setdefault( RequestValidationError, request_validation_exception_handler )
Python - Registered: Sun Apr 28 07:19:10 GMT 2024 - Last Modified: Tue Apr 02 02:48:51 GMT 2024 - 172.2K bytes - Viewed (0) -
docs_src/handling_errors/tutorial006.py
from fastapi import FastAPI, HTTPException from fastapi.exception_handlers import ( http_exception_handler, request_validation_exception_handler, ) from fastapi.exceptions import RequestValidationError from starlette.exceptions import HTTPException as StarletteHTTPException app = FastAPI() @app.exception_handler(StarletteHTTPException) async def custom_http_exception_handler(request, exc): print(f"OMG! An HTTP error!: {repr(exc)}")
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