* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
    * JSON.
    * Path parameters.
    * Query parameters.
    * Cookies.
    * Headers.
    * Forms.
    * Files.

ENV BAZEL_VS "C:\Program Files\Microsoft Visual Studio\2022\BuildTools"
ENV BAZEL_VC "C:\Program Files\Microsoft Visual Studio\2022\Community\VC"

# Environment variables to prevent auto-conversion of Linux-like paths to Windows paths.
# This is necessary as some paths end up invalid/mangled.
ENV MSYS_NO_PATHCONV 1
ENV MSYS2_ARG_CONV_EXCL *

Isso fornecerá suporte do editor dentro da sua função, com verificações de erros, preenchimento automático, etc.
///

## Dados <abbr title="também conhecido como: serialização, parsing, marshalling">conversão</abbr> { #data-conversion }

Se você executar este exemplo e abrir seu navegador em <a href="http://127.0.0.1:8000/items/3" class="external-link" target="_blank">http://127.0.0.1:8000/items/3</a>, você verá uma resposta:

```JSON
{"item_id":3}

* <abbr title="also known as: serialization, parsing, marshalling">Conversion</abbr> of input data: coming from the network to Python data and types. Reading from:
    * JSON.
    * Path parameters.
    * Query parameters.
    * Cookies.
    * Headers.
    * Forms.
    * Files.

    ([CVE-2021-37643](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37643))
*   Fixes an integer overflow due to conversion to unsigned
    ([CVE-2021-37645](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37645))
*   Fixes a bad allocation error in `StringNGrams` caused by integer conversion
    ([CVE-2021-37646](https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-37646))

   with its <<<DefaultReportConfigurationExpander>>> implementation
   ({{{./xref/org/apache/maven/model/plugin/DefaultReportConfigurationExpander.html}source}})

   ** <(optional)> reports conversion to decoupled site plugin: <<<ReportingConverter>>> ({{{./apidocs/org/apache/maven/model/plugin/ReportingConverter.html}javadoc}}),
   with its <<<DefaultReportingConverter>>> implementation

Eso significa que cualquier valor leído en Python desde una variable de entorno será un `str`, y cualquier conversión a un tipo diferente o cualquier validación tiene que hacerse en código.

## Pydantic `Settings` { #pydantic-settings }

        descrField.setAccessible(true);
        String descr = (String) descrField.get(null);

        assertEquals("WrLeh\u0000B13BWz\u0000", descr);

        // Verify ASCII conversion
        byte[] descrBytes = descr.getBytes("ASCII");
        assertNotNull(descrBytes);
        assertEquals(13, descrBytes.length); // WrLeh(5) + null(1) + B13BWz(6) + null(1) = 13
    }

    @Test

        final String text = value.trim();

        final Class<?> rawType = toType.getRawType();
        if (rawType.isAssignableFrom(String.class)) {
            return text; // compatible type => no conversion needed
        }

        // use temporary Key as quick way to auto-box primitive types into their equivalent object types
        final TypeLiteral<?> boxedType =

### <a href="https://marshmallow.readthedocs.io/en/3.0/" class="external-link" target="_blank">Marshmallow</a>

L'une des principales fonctionnalités nécessaires aux systèmes API est la "<abbr title="également appelée
marshalling, conversion">sérialisation</abbr>" des données, qui consiste à prendre les données du code (Python) et à
les convertir en quelque chose qui peut être envoyé sur le réseau. Par exemple, convertir un objet contenant des