from datetime import datetime

from pydantic import BaseModel


class User(BaseModel):
    id: int
    name: str = "John Doe"
    signup_ts: datetime | None = None
    friends: list[int] = []


external_data = {
    "id": "123",
    "signup_ts": "2017-06-01 12:22",
    "friends": [1, "2", b"3"],
}
user = User(**external_data)
print(user)

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


class User(BaseModel):
    username: str
    full_name: str | None = None


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

from typing import Annotated

from fastapi import Depends, FastAPI

app = FastAPI()


async def common_parameters(q: str | None = None, skip: int = 0, limit: int = 100):
    return {"q": q, "skip": skip, "limit": limit}


@app.get("/items/")
async def read_items(commons: Annotated[dict, Depends(common_parameters)]):
    return commons


@app.get("/users/")
async def read_users(commons: Annotated[dict, Depends(common_parameters)]):

from typing import Union

from fastapi import FastAPI, Query

app = FastAPI()


@app.get("/items/")
async def read_items(
    q: Union[str, None] = Query(
        default=None,
        title="Query string",
        description="Query string for the items to search in the database that have a good match",
        min_length=3,
    ),
):
    results = {"items": [{"item_id": "Foo"}, {"item_id": "Bar"}]}
    if q:

    /**
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any
     * @throws XmlPullParserException if any
     */
    Settings buildSettings() throws IOException, XmlPullParserException;

    /**
     * @param useCachedSettings if true, doesn't reload the user settings
     * @return a <code>Settings</code> object from the user settings file.
     * @throws IOException if any

    /**
     * Gets the packages/types to import from the parent realm.
     *
     * @return The modifiable list of packages/types to import from the parent realm, never {@code null}.
     */
    List<String> getParentImports();

    /**
     * Gets the packages/types to import from foreign realms.
     *
     * @return The modifiable map of packages/types to import from foreign realms, never {@code null}.
     */

import pytest
from dirty_equals import IsDict
from fastapi.testclient import TestClient

from ...utils import needs_py39


@pytest.fixture(name="client")
def get_client():
    from docs_src.extra_data_types.tutorial001_an_py39 import app

    client = TestClient(app)
    return client


@needs_py39
def test_extra_types(client: TestClient):
    item_id = "ff97dd87-a4a5-4a12-b412-cde99f33e00e"
    data = {

import pytest
from dirty_equals import IsDict, IsOneOf
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(name="client")
def get_client():
    from docs_src.response_model.tutorial005_py310 import app

    client = TestClient(app)
    return client


@needs_py310
def test_read_item_name(client: TestClient):
    response = client.get("/items/bar/name")

import pytest
from dirty_equals import IsDict
from fastapi.testclient import TestClient

from ...utils import needs_py310


@pytest.fixture(name="client")
def get_client():
    from docs_src.schema_extra_example.tutorial005_py310 import app

    client = TestClient(app)
    return client


@needs_py310
def test_post_body_example(client: TestClient):
    response = client.put(
        "/items/5",
        json={

Read more about it in the [FastAPI docs for Testing](https://fastapi.tiangolo.com/tutorial/testing/).

You can import it directly from `fastapi.testclient`:

```python
from fastapi.testclient import TestClient
```