* Validación de datos
* Anotación de la API y documentación automática

Solo tienes que declararlos una vez.

### Étape 2 : créer une "instance" `FastAPI`

```Python hl_lines="3"
{!../../docs_src/first_steps/tutorial001.py!}
```

Ici la variable `app` sera une "instance" de la classe `FastAPI`.

Ce sera le point principal d'interaction pour créer toute votre API.

Cette `app` est la même que celle à laquelle fait référence `uvicorn` dans la commande :

<div class="termy">

```console
$ uvicorn main:app --reload

  // 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).
  // 'authorizer' - A CEL Authorizer. May be used to perform authorization checks for the principal (user or service account) of the request.
  //   See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz
  // 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the

Em seguida, usamos `hero_db.sqlmodel_update(hero_data)` para atualizar o `hero_db` com os dados de `hero_data`.

{* ../../docs_src/sql_databases/tutorial002_an_py310.py ln[83:93] hl[83:84,88:89] *}

8. Litigation

   Any litigation relating to this License may be brought only in the courts of
   a jurisdiction where the defendant maintains its principal place of business
   and such litigation shall be governed by laws of that jurisdiction, without
   reference to its conflict-of-law provisions. Nothing in this Section shall

	public final fun -deprecated_localCertificates ()Ljava/util/List;
	public final fun -deprecated_localPrincipal ()Ljava/security/Principal;
	public final fun -deprecated_peerCertificates ()Ljava/util/List;
	public final fun -deprecated_peerPrincipal ()Ljava/security/Principal;
	public final fun -deprecated_tlsVersion ()Lokhttp3/TlsVersion;
	public final fun cipherSuite ()Lokhttp3/CipherSuite;

  // 'request' - Attributes of the admission request(/pkg/apis/admission/types.go#AdmissionRequest).
  // 'authorizer' - A CEL Authorizer. May be used to perform authorization checks for the principal (user or service account) of the request.
  //   See https://pkg.go.dev/k8s.io/apiserver/pkg/cel/library#Authz
  // 'authorizer.requestResource' - A CEL ResourceCheck constructed from the 'authorizer' and configured with the

            final String providerUrl, final String principal, final String credntials) {
        final Hashtable<String, String> env = new Hashtable<>();
        putEnv(env, Context.INITIAL_CONTEXT_FACTORY, initialContextFactory);
        putEnv(env, Context.SECURITY_AUTHENTICATION, securityAuthentication);
        putEnv(env, Context.PROVIDER_URL, providerUrl);
        putEnv(env, Context.SECURITY_PRINCIPAL, principal);

8. Litigation

   Any litigation relating to this License may be brought only in the courts of
   a jurisdiction where the defendant maintains its principal place of business
   and such litigation shall be governed by laws of that jurisdiction, without
   reference to its conflict-of-law provisions. Nothing in this Section shall

8. Litigation

   Any litigation relating to this License may be brought only in the courts of
   a jurisdiction where the defendant maintains its principal place of business
   and such litigation shall be governed by laws of that jurisdiction, without
   reference to its conflict-of-law provisions. Nothing in this Section shall