import json
import sys
from collections.abc import Iterator
from typing import Annotated, Any

import pytest
from fastapi import Depends, FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel

if "--codspeed" not in sys.argv:
    pytest.skip(
        "Benchmark tests are skipped by default; run with --codspeed.",
        allow_module_level=True,
    )

LARGE_ITEMS: list[dict[str, Any]] = [
    {

<div class="termy">

```console
$ pip install "uvicorn[standard]"

---> 100%
```

</div>

## 예제

### 만들기

* `main.py` 파일을 만드십시오:

```Python
from typing import Union

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def read_root():
    return {"Hello": "World"}


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

from typing import Annotated

import pytest
from dirty_equals import AnyThing, IsOneOf, IsPartialDict
from fastapi import FastAPI, Header
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()

# =====================================================================================
# Without aliases


@app.get("/required-str")
async def read_required_str(p: Annotated[str, Header()]):

from typing import Annotated, Optional

import pytest
from fastapi import Cookie, FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()

# =====================================================================================
# Without aliases


@app.get("/optional-str")
async def read_optional_str(p: Annotated[Optional[str], Cookie()] = None):
    return {"p": p}

from collections.abc import Sequence
from typing import Annotated, Any, Callable, Optional, Union

from annotated_doc import Doc
from fastapi import params
from fastapi._compat import Undefined
from fastapi.openapi.models import Example
from pydantic import AliasChoices, AliasPath
from typing_extensions import Literal, deprecated

_Unset: Any = Undefined


def Path(  # noqa: N802
    default: Annotated[
        Any,
        Doc(

import logging
import random
import sys
import time
from pathlib import Path
from typing import Any, Union, cast

import httpx
from github import Github
from pydantic import BaseModel, SecretStr
from pydantic_settings import BaseSettings

awaiting_label = "awaiting-review"
lang_all_label = "lang-all"
approved_label = "approved-1"


github_graphql_url = "https://api.github.com/graphql"

from typing import Annotated, Optional

import pytest
from fastapi import FastAPI, Header
from fastapi.testclient import TestClient
from pydantic import BaseModel, Field

app = FastAPI()

# =====================================================================================
# Without aliases


@app.get("/optional-list-str")
async def read_optional_list_str(
    p: Annotated[Optional[list[str]], Header()] = None,
):

from functools import lru_cache
from pathlib import Path
from typing import Any, Union

import material
from mkdocs.config.defaults import MkDocsConfig
from mkdocs.structure.files import File, Files
from mkdocs.structure.nav import Link, Navigation, Section
from mkdocs.structure.pages import Page

non_translated_sections = [
    "reference/",
    "release-notes.md",
    "fastapi-people.md",
    "external-links.md",
    "newsletter.md",

from typing import Optional

import pytest
from fastapi import Depends, FastAPI, Security
from fastapi.security import OAuth2, OAuth2PasswordRequestFormStrict
from fastapi.testclient import TestClient
from pydantic import BaseModel

app = FastAPI()

reusable_oauth2 = OAuth2(
    flows={
        "password": {
            "tokenUrl": "token",
            "scopes": {"read:users": "Read the users", "write:users": "Create users"},
        }

* Валідація **складних структур**:
    * Використання ієрархічних моделей Pydantic. Python `typing`, `List` і `Dict` тощо.
    * Валідатори дозволяють чітко і просто визначати, перевіряти й документувати складні схеми даних у вигляді JSON-схеми.