{* ../../docs_src/dependencies/tutorial011_an_py310.py hl[12] *}

Dans ce cas, ce `__call__` est ce que **FastAPI** utilisera pour détecter des paramètres supplémentaires et des sous‑dépendances, et c’est ce qui sera appelé pour transmettre ensuite une valeur au paramètre dans votre *fonction de chemin d'accès*.

## Paramétrer l'instance { #parameterize-the-instance }

      or by an individual or Legal Entity authorized to submit on behalf of
      the copyright owner. For the purposes of this definition, "submitted"
      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the

The benefit of raising an exception over returning a value will be more evident in the section about Dependencies and Security.

        try {
          response = realChain.proceed(request)
          newRoutePlanner = true
        } catch (e: IOException) {
          // An attempt to communicate with a server failed. The request may have been sent.
          val isRecoverable = recover(e, call, chain, request)
          call.eventListener.retryDecision(call, e, isRecoverable)
          if (!isRecoverable) throw e.withSuppressed(recoveredFailures)

     */
    int DEFAULT_SO_TIMEOUT = 35000;
    /**
     * Default receive buffer size for SMB transport.
     */
    int DEFAULT_RCV_BUF_SIZE = 0xFFFF;
    /**
     * Default send buffer size for SMB transport.
     */
    int DEFAULT_SND_BUF_SIZE = 0xFFFF;
    /**
     * Default buffer size for change notification responses.
     */
    int DEFAULT_NOTIFY_BUF_SIZE = 1024;

    /**

 * <li>TOKEN_PARAMETERS - The parameters to include in the token request.</li>
 * <li>LOGIN_METHOD - The HTTP method to use for the login request (GET or POST).</li>
 * <li>LOGIN_URL - The URL to send the login request to.</li>
 * <li>LOGIN_PARAMETERS - The parameters to include in the login request.</li>
 * </ul>
 *
 */
public class Hc4FormScheme implements AuthScheme {

    val webSocket =
      object : WebSocket {
        override fun request(): Request = TODO()

        override fun queueSize(): Long = TODO()

        override fun send(text: String): Boolean = TODO()

        override fun send(bytes: ByteString): Boolean = TODO()

        override fun close(
          code: Int,
          reason: String?,
        ): Boolean = TODO()

Après une semaine, le jeton aura expiré et l'utilisateur ne sera pas autorisé et devra se reconnecter pour obtenir un nouveau jeton. Et si l'utilisateur (ou un tiers) essayait de modifier le jeton pour changer l'expiration, vous pourriez le détecter, car les signatures ne correspondraient pas.

      or by an individual or Legal Entity authorized to submit on behalf of
      the copyright owner. For the purposes of this definition, "submitted"
      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the

      or by an individual or Legal Entity authorized to submit on behalf of
      the copyright owner. For the purposes of this definition, "submitted"
      means any form of electronic, verbal, or written communication sent
      to the Licensor or its representatives, including but not limited to
      communication on electronic mailing lists, source code control systems,
      and issue tracking systems that are managed by, or on behalf of, the