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docs_src/extra_models/tutorial003.py

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class BaseItem(BaseModel):
    description: str
    type: str


class CarItem(BaseItem):
    type: str = "car"


class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {

Python

- Registered: Sun May 05 07:19:11 GMT 2024

- Last Modified: Fri Jul 07 17:12:13 GMT 2023

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github.com/tiangolo/fastapi

docs_src/dependencies/tutorial003.py

from typing import Union

from fastapi import Depends, FastAPI

app = FastAPI()


fake_items_db = [{"item_name": "Foo"}, {"item_name": "Bar"}, {"item_name": "Baz"}]


class CommonQueryParams:
    def __init__(self, q: Union[str, None] = None, skip: int = 0, limit: int = 100):
        self.q = q
        self.skip = skip
        self.limit = limit


@app.get("/items/")
async def read_items(commons=Depends(CommonQueryParams)):

Python

- Registered: Sun May 05 07:19:11 GMT 2024

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github.com/tiangolo/fastapi

docs_src/body_nested_models/tutorial003.py

from typing import Set, Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: Set[str] = set()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):
    results = {"item_id": item_id, "item": item}

Python

- Registered: Sun May 05 07:19:11 GMT 2024

- Last Modified: Sat May 14 11:59:59 GMT 2022

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github.com/tiangolo/fastapi

docs_src/additional_responses/tutorial003.py

from fastapi import FastAPI
from fastapi.responses import JSONResponse
from pydantic import BaseModel


class Item(BaseModel):
    id: str
    value: str


class Message(BaseModel):
    message: str


app = FastAPI()


@app.get(
    "/items/{item_id}",
    response_model=Item,
    responses={
        404: {"model": Message, "description": "The item was not found"},
        200: {

Python

- Registered: Sun May 05 07:19:11 GMT 2024

- Last Modified: Thu Mar 26 19:09:53 GMT 2020

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github.com/tiangolo/fastapi

docs_src/handling_errors/tutorial003.py

from fastapi import FastAPI, Request
from fastapi.responses import JSONResponse


class UnicornException(Exception):
    def __init__(self, name: str):
        self.name = name


app = FastAPI()


@app.exception_handler(UnicornException)
async def unicorn_exception_handler(request: Request, exc: UnicornException):
    return JSONResponse(
        status_code=418,

Python

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- Last Modified: Thu Mar 26 19:09:53 GMT 2020

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github.com/tiangolo/fastapi

docs_src/body/tutorial003.py

from typing import Union

from fastapi import FastAPI
from pydantic import BaseModel


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


app = FastAPI()


@app.put("/items/{item_id}")
async def update_item(item_id: int, item: Item):

Python

- Registered: Sun May 05 07:19:11 GMT 2024

- Last Modified: Tue Jan 09 14:28:58 GMT 2024

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github.com/tiangolo/fastapi

docs_src/path_operation_configuration/tutorial003.py

from typing import Set, Union

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None
    tags: Set[str] = set()


@app.post(
    "/items/",
    response_model=Item,
    summary="Create an item",

Python

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github.com/tiangolo/fastapi

docs_src/body_multiple_params/tutorial003.py

from typing import Union

from fastapi import Body, FastAPI
from pydantic import BaseModel

app = FastAPI()


class Item(BaseModel):
    name: str
    description: Union[str, None] = None
    price: float
    tax: Union[float, None] = None


class User(BaseModel):
    username: str
    full_name: Union[str, None] = None


@app.put("/items/{item_id}")

Python

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github.com/tiangolo/fastapi

docs_src/custom_request_and_route/tutorial003.py

import time
from typing 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)

Python

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github.com/tiangolo/fastapi

docs_src/websockets/tutorial003.py

from typing import List

from fastapi import FastAPI, WebSocket, WebSocketDisconnect
from fastapi.responses import HTMLResponse

app = FastAPI()

html = """
<!DOCTYPE html>
<html>
    <head>
        <title>Chat</title>
    </head>
    <body>
        <h1>WebSocket Chat</h1>
        <h2>Your ID: <span id="ws-id"></span></h2>
        <form action="" onsubmit="sendMessage(event)">

Python

- Registered: Sun May 05 07:19:11 GMT 2024

- Last Modified: Sun Aug 09 13:52:19 GMT 2020

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