Si tienes una app de FastAPI antigua con Pydantic v1, aquí te muestro cómo migrarla a Pydantic v2, y las **funcionalidades en FastAPI 0.119.0** para ayudarte con una migración gradual.

## Guía oficial { #official-guide }

Pydantic tiene una [Guía de migración](https://docs.pydantic.dev/latest/migration/) oficial de v1 a v2.

También incluye qué cambió, cómo las validaciones ahora son más correctas y estrictas, posibles consideraciones, etc.

  - The deprecated `--etcd-quorum-read` flag has been removed. Quorum reads are now always enabled when fetching data from etcd. Remove the `--etcd-quorum-read`...

labels.group_gidNumber=gidNumber
labels.gidNumber=gidNumber
labels.user_homeDirectory=Home Directory
labels.homeDirectory=Home Directory
labels.upgrade_title_configuration=Upgrade
labels.upgrade_data_migration=Data Migration
labels.upgrade_reindex=Re-indexing
labels.upgrade_start_button=Start
labels.replace_aliases=Replace Aliases
labels.reset_dictionaries=Reset Dictionaries
labels.reindex_start_button=Start

管理者UIでは、（Web、ファイル、データストア）クローラの設定ページでクロール対象を登録し、[スケジューラページ](https://fess.codelibs.org/15.3/admin/scheduler-guide.html)から手動でクローラを開始できます。

## 他の検索プロバイダーからの移行

[MIGRATION.md](MIGRATION.md)を参照してください。

## データストア

現在、Fessは以下の[ストレージロケーションとAPI](https://fess.codelibs.org/15.3/admin/dataconfig-guide.html)のクロールをサポートしています：

 - [Confluence/Jira](https://github.com/codelibs/fess-ds-atlassian)

- github.com/aws/aws-sdk-go: [v1.44.116 → v1.35.24](https://github.com/aws/aws-sdk-go/compare/v1.44.116...v1.35.24)
- github.com/coredns/corefile-migration: [v1.0.17 → v1.0.20](https://github.com/coredns/corefile-migration/compare/v1.0.17...v1.0.20)
- github.com/coreos/go-systemd/v22: [v22.3.2 → v22.4.0](https://github.com/coreos/go-systemd/v22/compare/v22.3.2...v22.4.0)

Burada bir uygulama startup event’inde table’ları oluşturuyoruz.

Production’da büyük ihtimalle uygulamayı başlatmadan önce çalışan bir migration script’i kullanırsınız. 🤓

/// tip | İpucu

SQLModel, Alembic’i saran migration araçlarına sahip olacak; ancak şimdilik [Alembic](https://alembic.sqlalchemy.org/en/latest/)’i doğrudan kullanabilirsiniz.

///

### Hero Oluşturma { #create-a-hero }

- [Extensions](https://github.com/kubernetes/enhancements/blob/master/keps/sig-cloud-provider/991-cloud-controller-migration/README.md) for Cloud Controller Manager Migration.
- Continued deprecation of extensions/v1beta1, apps/v1beta1, and apps/v1beta2 APIs; these extensions will be retired in 1.16!

## Known Issues

- github.com/cncf/xds/go: [b4127c9 → 2f00578](https://github.com/cncf/xds/compare/b4127c9...2f00578)
- github.com/coredns/corefile-migration: [v1.0.25 → v1.0.26](https://github.com/coredns/corefile-migration/compare/v1.0.25...v1.0.26)
- github.com/cpuguy83/go-md2man/v2: [v2.0.4 → v2.0.6](https://github.com/cpuguy83/go-md2man/compare/v2.0.4...v2.0.6)

- github.com/containerd/typeurl/v2: [v2.2.0 → v2.2.2](https://github.com/containerd/typeurl/compare/v2.2.0...v2.2.2)
- github.com/coredns/corefile-migration: [v1.0.24 → v1.0.25](https://github.com/coredns/corefile-migration/compare/v1.0.24...v1.0.25)
- github.com/coreos/go-oidc: [v2.2.1+incompatible → v2.3.0+incompatible](https://github.com/coreos/go-oidc/compare/v2.2.1...v2.3.0)

## Guia oficial { #official-guide }

O Pydantic tem um [Guia de Migração](https://docs.pydantic.dev/latest/migration/) oficial do v1 para o v2.

Ele também inclui o que mudou, como as validações agora são mais corretas e rigorosas, possíveis ressalvas, etc.

Você pode lê-lo para entender melhor o que mudou.

## Testes { #tests }