### Just Modern Python { #just-modern-python }

It's all based on standard **Python type** declarations (thanks to Pydantic). No new syntax to learn. Just standard modern Python.

If you need a 2 minute refresher of how to use Python types (even if you don't use FastAPI), check the short tutorial: [Python Types](python-types.md){.internal-link target=_blank}.

You write standard Python with types:

```Python
from datetime import date

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<div class="termy">

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

---> 100%
```

</div>

////

//// tab | `uv`

Если вы используете <a href="https://github.com/astral-sh/uv" class="external-link" target="_blank">`uv`</a>:

<div class="termy">

```console
$ uv pip install "fastapi[standard]"
---> 100%
```

</div>

////

Nếu bạn sử dụng một tệp `requirements.txt` bạn có thể chỉ định phiên bản với:

```txt
fastapi[standard]==0.112.0
```

Như vậy, bạn sẽ sử dụng chính xác phiên bản `0.112.0`.

Hoặc bạn cũng có thể cố định nó với:

```txt
fastapi[standard]>=0.112.0,<0.113.0
```

{* ../../docs_src/custom_response/tutorial005.py hl[2,7,9] *}

### `JSONResponse`

Nimmt einige Daten entgegen und gibt eine `application/json`-codierte Response zurück.

Dies ist die Standard-Response, die in **FastAPI** verwendet wird, wie Sie oben gelesen haben.

### `ORJSONResponse`

 * <code>WriteFile</code>, and <code>CloseFile</code> A byte-type pipe can
 * be opened, written to, read from and closed using the standard Win32
 * file operations.
 * </ul>
 *
 * <p>
 * The jCIFS API maps all of these operations into the standard Java
 * <code>XxxputStream</code> interface. A special <code>PIPE_TYPE</code>
 * flags is necessary to distinguish which type of Named Pipe behavior
 * is desired.

        when(mockConfig.isForceUnicode()).thenReturn(false);
        when(mockConfig.getOemEncoding()).thenReturn("ASCII");
    }

    @Test
    @DisplayName("Test constructor with standard path")
    void testConstructorWithStandardPath() {
        // Test standard path without trailing backslash
        trans2FindFirst2 = new Trans2FindFirst2(mockConfig, "\\test\\path", "*.txt", 0x16, 10, 1024);

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///

/// tip

Notice that in this case we are using a standard Python `open()` function that interacts with a file.

So, it involves I/O (input/output), that requires "waiting" for things to be written to disk.

But `open()` doesn't use `async` and `await`.

So, we declare the event handler function with standard `def` instead of `async def`.

///