def serialized(self):
        to_ret = {}
        for group, requirements in self.items():
            to_ret[group] = [str(requirement) for requirement in requirements]
        return to_ret
def open_link(self):
        "Open the selected item with the webbrowser"

        data = self.get_selected_item()
        url = data.get('permalink')
        if url:
            self.term.open_browser(url)
        else:
            self.term.flash()