* Sie können Metadaten aus der hochgeladenen Datei auslesen.
* Es hat eine <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">dateiartige</a> `async`hrone Schnittstelle.

我们还改进了 Pydantic，让它也支持这些功能。

虽然上面的截图取自 <a href="https://code.visualstudio.com" class="external-link" target="_blank">Visual Studio Code</a>。

但 <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> 和大多数 Python 编辑器也支持同样的功能：

<img src="/img/tutorial/body/image05.png">

/// tip | 提示

            "info": {"title": "FastAPI", "version": "0.1.0"},
            "servers": [
                {
                    "url": "https://stag.example.com",
                    "description": "Staging environment",
                },
                {
                    "url": "https://prod.example.com",
                    "description": "Production environment",
                },
            ],
            "paths": {

`0.122.0`, they use the more appropriate HTTP status code `401 Unauthorized`, and return a sensible `WWW-Authenticate` header in the response, following the HTTP specifications, <a href="https://datatracker.ietf.org/doc/html/rfc7235#section-3.1" class="external-link" target="_blank">RFC 7235</a>, <a href="https://datatracker.ietf.org/doc/html/rfc9110#name-401-unauthorized" class="external-link" target="_blank">RFC 9110</a>.

But if for some reason your clients depend on the old behavior, you...

FastAPI, eles usam o código de status HTTP `401 Unauthorized`, mais apropriado, e retornam um cabeçalho `WWW-Authenticate` adequado na response, seguindo as especificações HTTP, <a href="https://datatracker.ietf.org/doc/html/rfc7235#section-3.1" class="external-link" target="_blank">RFC 7235</a>, <a href="https://datatracker.ietf.org/doc/html/rfc9110#name-401-unauthorized" class="external-link" target="_blank">RFC 9110</a>.

Mas, se por algum motivo seus clientes dependem do comportamento antigo,...

    """
    A collection of background tasks that will be called after a response has been
    sent to the client.

    Read more about it in the
    [FastAPI docs for Background Tasks](https://fastapi.tiangolo.com/tutorial/background-tasks/).

    ## Example

    ```python
    from fastapi import BackgroundTasks, FastAPI

    app = FastAPI()


    def write_notification(email: str, message=""):

///

/// note | Технические детали

Любая функция, с которой можно корректно использовать:

* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.contextmanager" class="external-link" target="_blank">`@contextlib.contextmanager`</a> или
* <a href="https://docs.python.org/3/library/contextlib.html#contextlib.asynccontextmanager" class="external-link" target="_blank">`@contextlib.asynccontextmanager`</a>

  annotations: {{- toYaml .Values.metrics.serviceMonitor.annotations | nindent 4 }}
  {{- end }}
spec:
  endpoints:
    {{- if .Values.tls.enabled }}
    - port: https
      scheme: https
      tlsConfig:
        ca:
          secret:
            name: {{ .Values.tls.certSecret }}
            key: {{ .Values.tls.publicCrt }}
        serverName: {{ template "minio.fullname" . }}

For example, it doesn't receive `datetime` objects, as those are not compatible with JSON.

So, a `datetime` object would have to be converted to a `str` containing the data in <a href="https://en.wikipedia.org/wiki/ISO_8601" class="external-link" target="_blank">ISO format</a>.

The same way, this database wouldn't receive a Pydantic model (an object with attributes), only a `dict`.

対話的なAPIドキュメントと探索的なwebユーザーインターフェースを提供します。フレームワークはOpenAPIを基にしているため、いくつかのオプションがあり、デフォルトで2つ含まれています。

* <a href="https://github.com/swagger-api/swagger-ui" class="external-link" target="_blank"><strong>Swagger UI</strong></a>で、インタラクティブな探索をしながら、ブラウザから直接APIを呼び出してテストが行えます。

![Swagger UI interaction](https://fastapi.tiangolo.com/img/index/index-03-swagger-02.png)