* This means that it will work well for large files like images, videos, large binaries, etc. without consuming all the memory.
* You can get metadata from the uploaded file.
* It has a <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">file-like</a> `async` interface.

Las capturas de pantalla anteriores se tomaron con <a href="https://code.visualstudio.com" class="external-link" target="_blank">Visual Studio Code</a>.

Pero obtendrías el mismo soporte en el editor con <a href="https://www.jetbrains.com/pycharm/" class="external-link" target="_blank">PyCharm</a> y la mayoría de los otros editores de Python:

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

/// tip | Consejo

/// info | Informação

Para receber arquivos enviados, primeiro instale o <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>.

Garanta que você criou um [ambiente virtual](../virtual-environments.md){.internal-link target=_blank}, o ativou e então o instalou, por exemplo:

```console
$ pip install python-multipart
```

* <a href="https://www.stainless.com/?utm_source=fastapi&utm_medium=referral" class="external-link" target="_blank">Stainless</a>
* <a href="https://developers.liblab.com/tutorials/sdk-for-fastapi?utm_source=fastapi" class="external-link" target="_blank">liblab</a>

{* ../../docs_src/dataclasses/tutorial001.py hl[1,7:12,19:20] *}

This is still supported thanks to **Pydantic**, as it has <a href="https://docs.pydantic.dev/latest/concepts/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">internal support for `dataclasses`</a>.

{* ../../docs_src/dataclasses/tutorial001.py hl[1,7:12,19:20] *}

Das ist dank **Pydantic** ebenfalls möglich, da es <a href="https://pydantic-docs.helpmanual.io/usage/dataclasses/#use-of-stdlib-dataclasses-with-basemodel" class="external-link" target="_blank">`dataclasses` intern unterstützt</a>.

      - name: List contents of target directory
        shell: bash
        run: ls -la apache-maven/target

      - name: Upload Maven distributions
        uses: actions/upload-artifact@ea165f8d65b6e75b540449e92b4886f43607fa02 # v4
        with:
          name: maven-distributions
          path: |
            apache-maven/target/apache-maven*.zip
            apache-maven/target/apache-maven*.tar.gz

  full-build:

* Он реализует <a href="https://docs.python.org/3/glossary.html#term-file-like-object" class="external-link" target="_blank">file-like</a> `async` интерфейс.
* Он предоставляет реальный объект Python <a href="https://docs.python.org/3/library/tempfile.html#tempfile.SpooledTemporaryFile" class="external-link" target="_blank">`SpooledTemporaryFile`</a> который вы можете передать непосредственно другим библиотекам, которые ожидают файл в качестве объекта.

/target/
/.settings/
/fess-crawler*/target/
/fess-crawler*/bin/
/fess-crawler*/mydbflute/
/fess-crawler*/.project
/fess-crawler*/.classpath
/fess-crawler*/.settings/
/fess-crawler*/dependency-reduced-pom.xml
/fess-crawler*/dbflute_crawler/log/*.log
/fess-crawler*/dbflute_crawler/schema/project-schema-robot.xml
/fess-crawler/phantomjsdriver.log
.project
.idea
*.iml
/.vscode

import java.lang.annotation.Documented;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import org.codelibs.core.lang.StringUtil;

import jakarta.validation.Constraint;
import jakarta.validation.Payload;

/**
 * Validation constraint for custom size limits based on configuration keys.
 */
@Target({ METHOD, FIELD, ANNOTATION_TYPE, CONSTRUCTOR, PARAMETER })
@Retention(RUNTIME)
@Documented