///

## Імпортуйте `BaseModel` від Pydantic

Спочатку вам потрібно імпортувати `BaseModel` з `pydantic`:

//// tab | Python 3.8 і вище

```Python hl_lines="4"
{!> ../../docs_src/body/tutorial001.py!}
```

////

//// tab | Python 3.10 і вище

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"},
        }
    },
    auto_error=False,
)


class User(BaseModel):
    username: str

        return True
    # If it's a Form (or File) field, it has to be a BaseModel to be top level
    # otherwise it has to be embedded, so that the key value pair can be extracted
    if isinstance(first_field.field_info, params.Form) and not lenient_issubclass(
        first_field.type_, BaseModel
    ):
        return True
    return False


async def _extract_form_body(

from fastapi.security.utils import get_authorization_scheme_param
from pydantic import BaseModel
from starlette.requests import Request
from starlette.status import HTTP_401_UNAUTHORIZED, HTTP_403_FORBIDDEN
from typing_extensions import Annotated, Doc


class HTTPBasicCredentials(BaseModel):
    """
    The HTTP Basic credentials given as the result of using `HTTPBasic` in a
    dependency.

class Server(BaseModelWithConfig):
    url: Union[AnyUrl, str]
    description: Optional[str] = None
    variables: Optional[Dict[str, ServerVariable]] = None


class Reference(BaseModel):
    ref: str = Field(alias="$ref")


class Discriminator(BaseModel):
    propertyName: str
    mapping: Optional[Dict[str, str]] = None


class XML(BaseModelWithConfig):
    name: Optional[str] = None

from decimal import Decimal
from typing import List

from dirty_equals import IsDict, IsOneOf
from fastapi import FastAPI
from fastapi.testclient import TestClient
from pydantic import BaseModel, condecimal

app = FastAPI()


class Item(BaseModel):
    name: str
    age: condecimal(gt=Decimal(0.0))  # type: ignore


@app.post("/items/")
def save_item_no_body(item: List[Item]):
    return {"item": item}

📨 💪 ⏮️ `GET` 📨 ✔️ ⚠ 🎭 🔧, 👐, ⚫️ 🐕‍🦺 FastAPI, 🕴 📶 🏗/😕 ⚙️ 💼.

⚫️ 🚫, 🎓 🩺 ⏮️ 🦁 🎚 🏆 🚫 🎦 🧾 💪 🕐❔ ⚙️ `GET`, & 🗳 🖕 💪 🚫 🐕‍🦺 ⚫️.

///

## 🗄 Pydantic `BaseModel`

🥇, 👆 💪 🗄 `BaseModel` ⚪️➡️ `pydantic`:

//// tab | 🐍 3️⃣.6️⃣ & 🔛

```Python hl_lines="4"
{!> ../../docs_src/body/tutorial001.py!}
```

////

//// tab | 🐍 3️⃣.1️⃣0️⃣ & 🔛

///

## Pydantic의 `BaseModel` 임포트

먼저 `pydantic`에서 `BaseModel`를 임포트해야 합니다:

//// tab | Python 3.10+

```Python hl_lines="2"
{!> ../../docs_src/body/tutorial001_py310.py!}
```

////

//// tab | Python 3.8+

```Python hl_lines="4"
{!> ../../docs_src/body/tutorial001.py!}
```

////

## 여러분의 데이터 모델 만들기

`BaseModel`를 상속받은 클래스로 여러분의 데이터 모델을 선언합니다.

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"},
        }
    }
)


class User(BaseModel):
    username: str


# Here we use string annotations to test them

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"},
        }
    },
    description="OAuth2 security scheme",
    auto_error=False,
)


class User(BaseModel):
    username: str