apps - Code Search

docs_src/schema_extra_example/tutorial002_py310.py

from fastapi import FastAPI
from pydantic import BaseModel, Field

app = FastAPI()


class Item(BaseModel):
    name: str = Field(examples=["Foo"])
    description: str | None = Field(default=None, examples=["A very nice Item"])
    price: float = Field(examples=[35.4])
    tax: float | None = Field(default=None, examples=[3.2])


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

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Jun 30 18:25:16 GMT 2023

- 479 bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/path_operation_configuration/tutorial003_py310.py

from fastapi import FastAPI
from pydantic import BaseModel

app = FastAPI()


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


@app.post(
    "/items/",
    response_model=Item,
    summary="Create an item",
    description="Create an item with all the information, name, description, price, tax and a set of unique tags",
)

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Jan 07 14:11:31 GMT 2022

- 474 bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/query_params/tutorial004_py39.py

from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/users/{user_id}/items/{item_id}")
async def read_user_item(
    user_id: int, item_id: str, q: Union[str, None] = None, short: bool = False
):
    item = {"item_id": item_id, "owner_id": user_id}
    if q:
        item.update({"q": q})
    if not short:
        item.update(

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

- 468 bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/query_params_str_validations/tutorial010_py310.py

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: str | None = Query(
        default=None,
        alias="item-query",
        title="Query string",
        description="Query string for the items to search in the database that have a good match",
        min_length=3,
        max_length=50,
        pattern="^fixedquery$",
        deprecated=True,
    ),
):

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Tue Oct 24 20:26:06 GMT 2023

- 542 bytes

- Click Count (0)

github.com/tiangolo/fastapi

tests/test_tutorial/test_response_change_status_code/test_tutorial001.py

from fastapi.testclient import TestClient

from docs_src.response_change_status_code.tutorial001_py39 import app

client = TestClient(app)


def test_path_operation():
    response = client.put("/get-or-create-task/foo")
    print(response.content)
    assert response.status_code == 200, response.text
    assert response.json() == "Listen to the Bar Fighters"
    response = client.put("/get-or-create-task/bar")

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

- 526 bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/websockets/tutorial002_an_py39.py

from typing import Annotated, Union

from fastapi import (
    Cookie,
    Depends,
    FastAPI,
    Query,
    WebSocket,
    WebSocketException,
    status,
)
from fastapi.responses import HTMLResponse

app = FastAPI()

html = """
<!DOCTYPE html>
<html>
    <head>
        <title>Chat</title>
    </head>
    <body>
        <h1>WebSocket Chat</h1>
        <form action="" onsubmit="sendMessage(event)">

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Sat Mar 18 12:29:59 GMT 2023

- 2.8K bytes

- Click Count (0)

github.com/tiangolo/fastapi

tests/test_webhooks_security.py

from fastapi.security import HTTPBearer
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

bearer_scheme = HTTPBearer()


class Subscription(BaseModel):
    username: str
    monthly_fee: float
    start_date: datetime


@app.webhooks.post("new-subscription")
def new_subscription(
    body: Subscription, token: Annotated[str, Security(bearer_scheme)]
):

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 21:25:59 GMT 2025

- 4.5K bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/path_operation_advanced_configuration/tutorial006_py39.py

from fastapi import FastAPI, Request

app = FastAPI()


def magic_data_reader(raw_body: bytes):
    return {
        "size": len(raw_body),
        "content": {
            "name": "Maaaagic",
            "price": 42,
            "description": "Just kiddin', no magic here. ✨",
        },
    }


@app.post(
    "/items/",
    openapi_extra={
        "requestBody": {
            "content": {

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Wed Dec 17 20:41:43 GMT 2025

- 1K bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/body_nested_models/tutorial006_py39.py

from fastapi import FastAPI
from pydantic import BaseModel, HttpUrl

app = FastAPI()


class Image(BaseModel):
    url: HttpUrl
    name: str


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


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

Created: Sun Dec 28 07:19:09 GMT 2025

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

- 519 bytes

- Click Count (0)

github.com/tiangolo/fastapi

docs_src/body_nested_models/tutorial007_py310.py

from fastapi import FastAPI
from pydantic import BaseModel, HttpUrl

app = FastAPI()


class Image(BaseModel):
    url: HttpUrl
    name: str


class Item(BaseModel):
    name: str
    description: str | None = None
    price: float
    tax: float | None = None
    tags: set[str] = set()
    images: list[Image] | None = None


class Offer(BaseModel):
    name: str
    description: str | None = None

Created: Sun Dec 28 07:19:09 GMT 2025

- Last Modified: Fri Jan 07 14:11:31 GMT 2022

- 520 bytes

- Click Count (0)

Search Options