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tutorial002_an_py310.py — fastapi Source File

Architecture documentation for tutorial002_an_py310.py, a python file in the fastapi codebase. 7 imports, 0 dependents.

File python FastAPI Responses 7 imports 1 functions 1 classes

Entity Profile

Dependency Diagram

graph LR
  20502214_d6d6_2052_679f_afae0f3867db["tutorial002_an_py310.py"]
  07d79a2e_d4e9_0bbb_be90_936274444c8c["collections.abc"]
  20502214_d6d6_2052_679f_afae0f3867db --> 07d79a2e_d4e9_0bbb_be90_936274444c8c
  0dda2280_3359_8460_301c_e98c77e78185["typing"]
  20502214_d6d6_2052_679f_afae0f3867db --> 0dda2280_3359_8460_301c_e98c77e78185
  534f6e44_61b8_3c38_8b89_6934a6df9802["__init__.py"]
  20502214_d6d6_2052_679f_afae0f3867db --> 534f6e44_61b8_3c38_8b89_6934a6df9802
  01c652c5_d85c_f45e_848e_412c94ea4172["exceptions.py"]
  20502214_d6d6_2052_679f_afae0f3867db --> 01c652c5_d85c_f45e_848e_412c94ea4172
  58bb043a_10d8_c308_5564_225558a63815["RequestValidationError"]
  20502214_d6d6_2052_679f_afae0f3867db --> 58bb043a_10d8_c308_5564_225558a63815
  de395a51_26f8_3424_1af0_2f5bef39c893["routing.py"]
  20502214_d6d6_2052_679f_afae0f3867db --> de395a51_26f8_3424_1af0_2f5bef39c893
  aa28685f_bb97_e988_ff40_3e5385960f32["APIRoute"]
  20502214_d6d6_2052_679f_afae0f3867db --> aa28685f_bb97_e988_ff40_3e5385960f32
  style 20502214_d6d6_2052_679f_afae0f3867db fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

from collections.abc import Callable
from typing import Annotated

from fastapi import Body, FastAPI, HTTPException, Request, Response
from fastapi.exceptions import RequestValidationError
from fastapi.routing import APIRoute


class ValidationErrorLoggingRoute(APIRoute):
    def get_route_handler(self) -> Callable:
        original_route_handler = super().get_route_handler()

        async def custom_route_handler(request: Request) -> Response:
            try:
                return await original_route_handler(request)
            except RequestValidationError as exc:
                body = await request.body()
                detail = {"errors": exc.errors(), "body": body.decode()}
                raise HTTPException(status_code=422, detail=detail)

        return custom_route_handler


app = FastAPI()
app.router.route_class = ValidationErrorLoggingRoute


@app.post("/")
async def sum_numbers(numbers: Annotated[list[int], Body()]):
    return sum(numbers)

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Frequently Asked Questions

What does tutorial002_an_py310.py do?
tutorial002_an_py310.py is a source file in the fastapi codebase, written in python. It belongs to the FastAPI domain, Responses subdomain.
What functions are defined in tutorial002_an_py310.py?
tutorial002_an_py310.py defines 1 function(s): sum_numbers.
What does tutorial002_an_py310.py depend on?
tutorial002_an_py310.py imports 7 module(s): APIRoute, RequestValidationError, __init__.py, collections.abc, exceptions.py, routing.py, typing.
Where is tutorial002_an_py310.py in the architecture?
tutorial002_an_py310.py is located at docs_src/custom_request_and_route/tutorial002_an_py310.py (domain: FastAPI, subdomain: Responses, directory: docs_src/custom_request_and_route).

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