// make sure, that the other module was already generated
try
{
  // try to initialize a partial view of the offer module
  $view = new sfPartialView();
  // this will throw an exception if the partial doesn't exist
  $view->initialize($this->getContext(), 'my_module', '_list_td_actions', '');
  // call the render() method in order to provoke an exception, so we can generate the module parts
  $retval = $view->render(array('my_module' => new SampleModelObject()));
  // unset the view object to save memory
  unset($view);
}
// catch the exception, fire the admin generator for the offer module, it's neccessary here!
catch (Exception $e)
{
  // dividing sf_app_dir and sf_app_module_dir_name is neccessary,
  // because sfGeneratorConfigHandler will make a regexp match like /[moduleName]/
  // to determine the correct module and pass it to sfCrudGenerator
  // therefore, we cant use the sf_app_module_dir setting, because in windows the regexp will not match
  $path = array(
    sfConfig::get('sf_app_dir'),
    sfConfig::get('sf_app_module_dir_name'),
    'my_module',
    sfConfig::get('sf_app_module_config_dir_name'),
    'generator.yml'
  );
  include(sfConfigCache::getInstance()->checkConfig(implode('/', $path)));
}