process images, audio, videos, and text. There are several modules specialized
in taking those formats, modifying them, and/or converting them to intermediate
formats that can be processed by TensorFlow.

These modifications and conversions are handled by a variety of libraries that
have different security properties and provide different levels of confidence
when dealing with untrusted data. Based on the security history of these

    ([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))

That means that any value read in Python from an environment variable will be a `str`, and any conversion to a different type or any validation has to be done in code.

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

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

Cela signifie que toute valeur lue en Python depuis une variable d'environnement sera une `str`, et toute conversion vers un autre type ou toute validation doit être effectuée dans le code.

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

### [Marshmallow](https://marshmallow.readthedocs.io/en/stable/) { #marshmallow }

### [Marshmallow](https://marshmallow.readthedocs.io/en/stable/) { #marshmallow }

L'une des principales fonctionnalités nécessaires aux systèmes API est la « <dfn title="aussi appelé : marshalling, conversion">sérialisation</dfn> » 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

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

      "Work" shall mean the work of authorship, whether in Source or
      Object form, made available under the License, as indicated by a

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

      "Work" shall mean the work of authorship, whether in Source or
      Object form, made available under the License, as indicated by a

      "Object" form shall mean any form resulting from mechanical
      transformation or translation of a Source form, including but
      not limited to compiled object code, generated documentation,
      and conversions to other media types.

      "Work" shall mean the work of authorship, whether in Source or
      Object form, made available under the License, as indicated by a