andypa

1. in ext_localconf.php:
$TYPO3_CONF_VARS['FE']['eID_include']['bar'] = 'EXT:foo/lib/class.tx_foo.php';

2. in lib/class.foobar.php
<?php
    require_once(PATH_tslib.'class.tslib_pibase.php'); 
    $GLOBALS['TYPO3_DB']->store_lastBuiltQuery = 1;

    class tx_foobar extends tslib_pibase  {
        var $exclude = array('tt_news' => array(0));

andypa

$this->extPath = t3lib_extMgm::extPath($this->extKey);
$view = t3lib_div::makeInstance('Tx_Fluid_View_StandaloneView');
$view->setLayoutRootPath(t3lib_extMgm::extPath($this->extKey) . 'Resources/Private/Layouts/');
$view->setPartialRootPath(t3lib_extMgm::extPath($this->extKey) . 'Resources/Private/Partials/');
$view->setTemplatePathAndFilename($this->extPath . 'Resources/Private/Templates/File.html');

// initialize locallang
$view->getRequest()->setControllerExtensionName($this->extKey);

$view->assign('helloworld', $helloworld);