def __create_input(self, main_root):
		content = self.__manager.load_content()
		input_dir = os.path.join(main_root,'input')
		try:
			content.get(self.__task.data['id'], 'input', os.path.join(main_root, 'input'))
		except:
			safe_mkdir(input_dir)
def remove_backend(self, backend_id):
        """ Removes a backend from the treeview, and selects the first (to show
        something in the configuration panel

        @param backend_id: the id of the backend to remove
        """
        if backend_id in self.backendid_to_iter:
            self.liststore.remove(self.backendid_to_iter[backend_id])
            del self.backendid_to_iter[backend_id]
            self.select_backend()