例如：

* <a href="https://code.visualstudio.com/docs/python/environments#_select-and-activate-an-environment" class="external-link" target="_blank">VS Code</a>
* <a href="https://www.jetbrains.com/help/pycharm/creating-virtual-environment.html" class="external-link" target="_blank">PyCharm</a>

/// tip

通常你只需要在创建虚拟环境时执行此操作**一次**。

///

## 退出虚拟环境

当你完成工作后，你可以**退出**虚拟环境。

import static org.junit.jupiter.api.Assertions.assertTrue;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * Unit tests for the {@link Apply} goal class.
 * Tests the Apply-specific functionality including file modification behavior.
 */
@DisplayName("Apply")
class ApplyTest {

    private Apply applyGoal;

### Revisa la documentación { #check-the-docs }

Ahora puedes iniciar tu app e ir a <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

Verás que tu documentación tiene las *path operations* normales y ahora también algunos **webhooks**:

### Check the docs { #check-the-docs }

Now you can start your app and go to <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

You will see your docs have the normal *path operations* and now also some **webhooks**:

    /**
     * @deprecated Use {@link System#getProperty(String)} with "user.home" instead
     */
    public static final String USER_HOME = System.getProperty("user.home");

    /**
     * @deprecated Use {@link org.apache.maven.api.Constants#MAVEN_USER_CONF} instead
     */
    public static final File USER_MAVEN_CONFIGURATION_HOME = new File(USER_HOME, ".m2");

    /**

 * errors while processing the event, it can report these problems via {@link ModelBuildingEvent#getProblems()}.
 * Note: To cope with future extensions to this interface, it is strongly recommended to extend
 * {@link AbstractModelBuildingListener} rather than to directly implement this interface.
 *

@Experimental
public interface Parser {
    /**
     * Parses the given ParserRequest to create an {@link InvokerRequest}.
     * This method does interpret tool arguments.
     *
     * @param parserRequest the request containing all necessary information for parsing
     * @return the parsed invoker request. Caller must start by checking {@link InvokerRequest#parsingFailed()} as

    String ROLE = ModelInterpolator.class.getName();

    /**
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */
    @Deprecated
    Model interpolate(Model project, Map<String, ?> context) throws ModelInterpolationException;

    /**
     * @deprecated Use {@link ModelInterpolator#interpolate(Model, File, ProjectBuilderConfiguration, boolean)} instead.
     */

    /**
     * Returns project's all artifacts as an immutable ordered collection. The collection contains:
     * <ul>
     *   <li>The project's artifacts ({@link Project#getArtifacts()}):
     *     <ul>
     *       <li>The POM artifact (always present)</li>
     *       <li>The main project artifact (if applicable based on packaging)</li>
     *     </ul>
     *   </li>

Si tienes un caso de uso diferente que necesite salir temprano desde una dependencia con `yield`, por favor crea una <a href="https://github.com/fastapi/fastapi/discussions/new?category=questions" class="external-link" target="_blank">Pregunta de Discusión en GitHub</a> con tu caso de uso específico y por qué te beneficiaría tener cierre temprano para dependencias con `yield`.