///

## Erros das dependências e valores de retorno { #dependencies-errors-and-return-values }

Você pode utilizar as mesmas *funções* de dependências que você usaria normalmente.

### Requisitos de Dependências { #dependency-requirements }

Dependências podem declarar requisitos de requisições (como cabeçalhos) ou outras subdependências:

{* ../../docs_src/dependencies/tutorial006_an_py39.py hl[8,13] *}

        MavenProject project = session.getCurrentProject();

        new ProjectBuilder(project)
                .addDependency(
                        "com.mycompany",
                        "system-dependency",
                        "1.0",
                        Artifact.SCOPE_SYSTEM,
                        new File(getBasedir(), "pom.xml").getAbsolutePath());

        Set<Artifact> artifactDependencies =

      - name: Set up Python
        uses: actions/setup-python@v6
        with:
          python-version: "3.14"
      - name: Setup uv
        uses: astral-sh/setup-uv@v7
        with:
          cache-dependency-glob: |
            requirements**.txt
            pyproject.toml
            uv.lock
      - name: Install Dependencies
        run: |
          uv venv
          uv pip install -r requirements.txt

///

## Исключения в Зависимостях и возвращаемые значения { #dependencies-errors-and-return-values }

Вы можете использовать те же *функции* зависимостей, что и обычно.

### Требования к зависимостям { #dependency-requirements }

Они могут объявлять требования к запросу (например заголовки) или другие подзависимости:

{* ../../docs_src/dependencies/tutorial006_an_py39.py hl[8,13] *}

### Вызов исключений { #raise-exceptions }

const ODirectPlatform = false

// OpenBSD, Windows, and illumos do not support O_DIRECT.
// On Windows there is no documentation on disabling O_DIRECT.
// For these systems we do not attempt to build the 'directio' dependency since
// the O_DIRECT symbol may not be exposed resulting in a failed build.
//
//
// On illumos an explicit O_DIRECT flag is not necessary for two primary

import javax.net.ssl.SSLSocket
import okhttp3.Protocol
import okhttp3.internal.platform.Platform
import org.conscrypt.Conscrypt

/**
 * Simple non-reflection SocketAdapter for Conscrypt when included as an application dependency
 * directly.
 */
class ConscryptSocketAdapter : SocketAdapter {
  override fun matchesSocket(sslSocket: SSLSocket): Boolean = Conscrypt.isConscrypt(sslSocket)

  override fun isSupported(): Boolean = isSupported

package org.apache.maven.lifecycle.internal;

import java.util.Collection;
import java.util.Collections;
import java.util.TreeSet;

import org.apache.maven.project.MavenProject;

/**
 * <p>
 * Context of dependency artifacts for a particular project.
 * </p>
 * <strong>NOTE:</strong> This class is not part of any public api and can be changed or deleted without prior notice.
 *
 * @since 3.0
 */

        <include>*.cmd</include>
        <include>*.conf</include>
        <include>*.java</include>
      </includes>
      <lineEnding>dos</lineEnding>
    </fileSet>
    <fileSet>
      <directory>target/dependency/org/jline/nativ</directory>
      <outputDirectory>lib/jline-native</outputDirectory>
      <includes>
        <include>**/*.so</include>
        <include>**/*.jnilib</include>
        <include>**/*.dll</include>

En este caso, puedes sobrescribir la dependencia que llama a ese proveedor y usar una dependencia personalizada que devuelva un usuario de prueba, solo para tus tests.

### Usa el atributo `app.dependency_overrides` { #use-the-app-dependency-overrides-attribute }

Para estos casos, tu aplicación **FastAPI** tiene un atributo `app.dependency_overrides`, es un simple `dict`.

    with pytest.raises((ValueError, Exception)):
        client.get("/broken-session-stream")


def test_broken_session_stream_no_raise():
    """
    When a dependency with yield raises after the streaming response already started
    the 200 status code is already sent, but there's still an error in the server
    afterwards, an exception is raised and captured or shown in the server logs.