```Python
with open("./somefile.txt") as f:
    contents = f.read()
    print(contents)
```

Internamente, `open("./somefile.txt")` crea un objeto llamado "Context Manager".

Cuando el bloque `with` termina, se asegura de cerrar el archivo, incluso si hubo excepciones.

META-INF/MANIFEST.MF Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.6.0_07 META-INF/maven/plugin.xml A test plugin to assist testing of Maven core. org.apache.maven.plugins maven-plugin-plugin 0.1 plugin false true addPluginArtifactMet Does nothing. false true false false false true org.apache.maven.plugin.coreit.TestMojo java per-lookup once-per-session descriptor Does nothing. false true false false false true org.apache.maven.plugin.coreit.ItMojo...

META-INF/MANIFEST.MF Manifest-Version: 1.0 Archiver-Version: Plexus Archiver Created-By: Apache Maven Built-By: BEBE Build-Jdk: 1.6.0_07 META-INF/maven/plugin.xml A test plugin to assist testing of Maven core. org.apache.maven.plugins maven-resources-plugin 0.1 resources false true testResources Does nothing. false true false false false true org.apache.maven.plugin.coreit.TestMojo java per-lookup once-per-session resources Does nothing. false true false false false true org.apache.maven.plugin.coreit.ItMojo...

                .toLowerCase(Locale.ENGLISH);

        if (active && os.getFamily() != null) {
            active = determineFamilyMatch(os.getFamily(), actualOsName);
        }
        if (active && os.getName() != null) {
            active = determineNameMatch(os.getName(), actualOsName);
        }
        if (active && os.getArch() != null) {
            active = determineArchMatch(os.getArch(), actualOsArch);
        }

        assertEquals("3.0.0", mp.getSince());

        ComponentRequirement cr = md.getRequirements().get(0);

        assertEquals("org.codehaus.plexus.archiver.Archiver", cr.getRole());
        assertEquals("jar", cr.getRoleHint());
        assertEquals("jarArchiver", cr.getFieldName());

        ComponentDependency cd = pd.getDependencies().get(0);

    /**
     * Gets the currently active session.
     *
     * @return The currently active session or {@code null} if none.
     */
    MavenSession getSession();

    /**
     * Gets the currently active repository session.
     *
     * @return The currently active repository session or {@code null} if none.
     */
    RepositorySystemSession getRepositorySession();

        this.sessionId = sessionId;
    }

    /**
     * Returns the active thread count.
     * @return The active thread count.
     */
    public Integer getActiveThreadCount() {
        return activeThreadCount;
    }

    /**
     * Sets the active thread count.
     * @param activeThreadCount The active thread count.
     */
    public void setActiveThreadCount(final Integer activeThreadCount) {

    git clone https://github.com/pyenv/pyenv.git "$PYENV_ROOT"
  fi
  echo "Upgraded pyenv version: $(pyenv --version)"
fi

# Scheduled nightly and release builds upload build artifacts (Pip packages,
# Libtensorflow archives) to GCS buckets. TFCI Mac VMs need to authenticate as
# a service account that has the right permissions to be able to do so.
set +x
if [[ -n "${GOOGLE_APPLICATION_CREDENTIALS:-}" ]]; then

> .nav-link.active,\n.sidebar-light-info .nav-sidebar.nav-legacy > .nav-item > .nav-link.active {\n  border-color: #17a2b8;\n}\n\n.sidebar-dark-warning .nav-sidebar > .nav-item > .nav-link.active,\n.sidebar-light-warning .nav-sidebar > .nav-item > .nav-link.active {\n  background-color: #ffc107;\n  color: #1f2d3d;\n}\n\n.sidebar-dark-warning .nav-sidebar.nav-legacy > .nav-item > .nav-link.active,\n.sidebar-light-warning .nav-sidebar.nav-legacy > .nav-item > .nav-link.active {\n  border-color: #ff...

 */
public class TimeoutTask {

    private static final int ACTIVE = 0;

    private static final int STOPPED = 1;

    private static final int CANCELED = 2;

    private final TimeoutTarget timeoutTarget;

    private final long timeoutMillis;

    private final boolean permanent;

    private long startTime;

    private int status = ACTIVE;