# Pydantic v1'den Pydantic v2'ye Geçiş { #migrate-from-pydantic-v1-to-pydantic-v2 }

Eski bir FastAPI uygulamanız varsa, Pydantic'in 1. sürümünü kullanıyor olabilirsiniz.

FastAPI 0.100.0 sürümü, Pydantic v1 veya v2 ile çalışmayı destekliyordu. Hangisi kuruluysa onu kullanıyordu.

FastAPI 0.119.0 sürümü, v2'ye geçişi kolaylaştırmak için, Pydantic v2’nin içinden Pydantic v1’e (`pydantic.v1` olarak) kısmi destek ekledi.

# Перехід з Pydantic v1 на Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

Якщо у вас стара програма FastAPI, можливо, ви використовуєте Pydantic версії 1.

FastAPI версії 0.100.0 підтримував як Pydantic v1, так і v2. Використовувалася та версія, яку ви встановили.

FastAPI версії 0.119.0 запровадив часткову підтримку Pydantic v1 всередині Pydantic v2 (як `pydantic.v1`), щоб спростити перехід на v2.

# Миграция с Pydantic v1 на Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

Если у вас старое приложение FastAPI, возможно, вы используете Pydantic версии 1.

FastAPI версии 0.100.0 поддерживал либо Pydantic v1, либо v2. Он использовал ту версию, которая была установлена.

FastAPI версии 0.119.0 добавил частичную поддержку Pydantic v1 изнутри Pydantic v2 (как `pydantic.v1`), чтобы упростить миграцию на v2.

# Migra de Pydantic v1 a Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

Si tienes una app de FastAPI antigua, podrías estar usando Pydantic versión 1.

FastAPI versión 0.100.0 tenía compatibilidad con Pydantic v1 o v2. Usaba la que tuvieras instalada.

FastAPI versión 0.119.0 introdujo compatibilidad parcial con Pydantic v1 desde dentro de Pydantic v2 (como `pydantic.v1`), para facilitar la migración a v2.

# Migrar do Pydantic v1 para o Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

Se você tem uma aplicação FastAPI antiga, pode estar usando o Pydantic versão 1.

O FastAPI versão 0.100.0 tinha suporte ao Pydantic v1 ou v2. Ele usaria aquele que você tivesse instalado.

O FastAPI versão 0.119.0 introduziu suporte parcial ao Pydantic v1 a partir de dentro do Pydantic v2 (como `pydantic.v1`), para facilitar a migração para o v2.

# Migrer de Pydantic v1 à Pydantic v2 { #migrate-from-pydantic-v1-to-pydantic-v2 }

Si vous avez une ancienne application FastAPI, vous utilisez peut-être Pydantic version 1.

FastAPI version 0.100.0 prenait en charge soit Pydantic v1 soit v2. Il utilisait celle que vous aviez installée.

FastAPI version 0.119.0 a introduit une prise en charge partielle de Pydantic v1 depuis l'intérieur de Pydantic v2 (comme `pydantic.v1`), pour faciliter la migration vers v2.

   * #clear} to forward to this implementation.
   *
   * @since 7.0
   */
  protected void standardClear() {
    Iterators.clear(iterator());
  }

  /**
   * A sensible definition of {@link #isEmpty} as {@code !iterator().hasNext}. If you override
   * {@link #isEmpty}, you may wish to override {@link #isEmpty} to forward to this implementation.

   * #clear} to forward to this implementation.
   *
   * @since 7.0
   */
  protected void standardClear() {
    Iterators.clear(iterator());
  }

  /**
   * A sensible definition of {@link #isEmpty} as {@code !iterator().hasNext}. If you override
   * {@link #isEmpty}, you may wish to override {@link #isEmpty} to forward to this implementation.

Given the simplicity of Flask, it seemed like a good match for building APIs. The next thing to find was a "Django REST Framework" for Flask.

/// check | Inspired **FastAPI** to

Be a micro-framework. Making it easy to mix and match the tools and parts needed.

Have a simple and easy to use routing system.

///

### [Requests](https://requests.readthedocs.io) { #requests }

moment to think about stopping herself before she found herself
falling down a very deep well.

  Either the well was very deep, or she fell very slowly, for she
had plenty of time as she went down to look about her and to
wonder what was going to happen next.  First, she tried to look
down and make out what she was coming to, but it was too dark to
see anything; then she looked at the sides of the well, and