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tutorial003_py310.py — fastapi Source File

Architecture documentation for tutorial003_py310.py, a python file in the fastapi codebase. 5 imports, 0 dependents.

File python FastAPI Responses 5 imports 2 functions 1 classes

Entity Profile

Dependency Diagram

graph LR
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea["tutorial003_py310.py"]
  1f0e807e_8e8f_35d7_c6d0_300886df5c17["time"]
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea --> 1f0e807e_8e8f_35d7_c6d0_300886df5c17
  07d79a2e_d4e9_0bbb_be90_936274444c8c["collections.abc"]
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea --> 07d79a2e_d4e9_0bbb_be90_936274444c8c
  534f6e44_61b8_3c38_8b89_6934a6df9802["__init__.py"]
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea --> 534f6e44_61b8_3c38_8b89_6934a6df9802
  de395a51_26f8_3424_1af0_2f5bef39c893["routing.py"]
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea --> de395a51_26f8_3424_1af0_2f5bef39c893
  aa28685f_bb97_e988_ff40_3e5385960f32["APIRoute"]
  9dc29258_63d8_2a6a_b7bd_2461b5eff8ea --> aa28685f_bb97_e988_ff40_3e5385960f32
  style 9dc29258_63d8_2a6a_b7bd_2461b5eff8ea fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

import time
from collections.abc import Callable

from fastapi import APIRouter, FastAPI, Request, Response
from fastapi.routing import APIRoute


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

        async def custom_route_handler(request: Request) -> Response:
            before = time.time()
            response: Response = await original_route_handler(request)
            duration = time.time() - before
            response.headers["X-Response-Time"] = str(duration)
            print(f"route duration: {duration}")
            print(f"route response: {response}")
            print(f"route response headers: {response.headers}")
            return response

        return custom_route_handler


app = FastAPI()
router = APIRouter(route_class=TimedRoute)


@app.get("/")
async def not_timed():
    return {"message": "Not timed"}


@router.get("/timed")
async def timed():
    return {"message": "It's the time of my life"}


app.include_router(router)

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Source

Frequently Asked Questions

What does tutorial003_py310.py do?
tutorial003_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 tutorial003_py310.py?
tutorial003_py310.py defines 2 function(s): not_timed, timed.
What does tutorial003_py310.py depend on?
tutorial003_py310.py imports 5 module(s): APIRoute, __init__.py, collections.abc, routing.py, time.
Where is tutorial003_py310.py in the architecture?
tutorial003_py310.py is located at docs_src/custom_request_and_route/tutorial003_py310.py (domain: FastAPI, subdomain: Responses, directory: docs_src/custom_request_and_route).

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