If you don't know, you will learn what a "password hash" is in the [security chapters](security/simple-oauth2.md#password-hashing){.internal-link target=_blank}.

///

## Multiple models { #multiple-models }

Here's a general idea of how the models could look like with their password fields and the places where they are used:

{* ../../docs_src/extra_models/tutorial001_py310.py hl[7,9,14,20,22,27:28,31:33,38:39] *}

**FastAPI** se basa en **OpenAPI**.

Eso es lo que hace posible tener múltiples interfaces de documentación interactiva automática, generación de código, etc.

OpenAPI tiene una forma de definir múltiples "esquemas" de seguridad.

Al usarlos, puedes aprovechar todas estas herramientas basadas en estándares, incluidos estos sistemas de documentación interactiva.

        "Should be able to peek() first element multiple times", "A", peekingIterator.peek());
    assertEquals(
        "next() should still return first element after peeking", "A", peekingIterator.next());

    assertEquals("Should be able to peek() at middle element", "B", peekingIterator.peek());
    assertEquals(
        "Should be able to peek() middle element multiple times", "B", peekingIterator.peek());
    assertEquals(

    }

    @Test
    public void testHeadersWithMultipleValues() {
        CurlRequest request = new CurlRequest(Method.POST, "https://example.com");

        // Add multiple headers
        request.header("Accept", "application/json").header("Content-Type", "application/json").header("Authorization", "Bearer token123")
                .header("X-Custom-Header", "custom-value");

        // Then
        assertFalse(result, "isSigningEnforced should return false when signing is not enforced");
        verify(negotiationRequest, times(1)).isSigningEnforced();
    }

    @Test
    @DisplayName("Test multiple calls to isSigningEnforced")
    void testMultipleCallsToIsSigningEnforced() {
        // Given
        when(negotiationRequest.isSigningEnforced()).thenReturn(true).thenReturn(false).thenReturn(true);

    }

    @Test
    @DisplayName("Should handle multiple close() calls gracefully")
    void testMultipleCloseCallsSafe() {
        // Given
        Smb2EncryptionContext closeableContext = new Smb2EncryptionContext(EncryptionNegotiateContext.CIPHER_AES128_CCM,
                DialectVersion.SMB302, testEncryptionKey, testDecryptionKey);

        // When/Then - Multiple close calls should not throw
        assertDoesNotThrow(() -> {

 * highest valued code point that requires escaping. For example a replacement map containing the
 * single character '{@code \}{@code u1000}' will require approximately 16K of memory. If you need
 * to create multiple escaper instances that have the same character replacement mapping consider
 * using {@link ArrayBasedEscaperMap}.
 *
 * @author David Beaumont
 * @since 15.0
 */
@GwtCompatible

Você também pode usar `File()` com `UploadFile`, por exemplo, para definir metadados adicionais:

{* ../../docs_src/request_files/tutorial001_03_an_py39.py hl[9,15] *}

## Uploads de Múltiplos Arquivos { #multiple-file-uploads }

É possível realizar o upload de vários arquivos ao mesmo tempo.

Eles serão associados ao mesmo "campo de formulário" enviado usando "dados de formulário".

///

## Sin Pydantic { #without-pydantic }

    if number is None:
        raise RuntimeError("No PR number available")

    # Avoid race conditions with multiple labels
    sleep_time = random.random() * 10  # random number between 0 and 10 seconds
    logging.info(
        f"Sleeping for {sleep_time} seconds to avoid "
        "race conditions and multiple comments"
    )
    time.sleep(sleep_time)

    # Get PR
    logging.debug(f"Processing PR: #{number}")