Anki add-on

Open_URL.py

# -*- coding: utf-8 -*-

from aqt import mw
from aqt.qt import *

def openUrl(url_template):
    def inner():
        url = url_template.format(**mw.reviewer.card.note())
        QDesktopServices.openUrl(QUrl(url))
    return inner

def createUrlAction(text, url_template, shortcut=None):
    action = QAction(text, mw)
    if shortcut:
        action.setShortcut(shortcut)
    mw.form.menuOpenUrl.addAction(action)
    mw.connect(action, SIGNAL('triggered()'), openUrl(url_template))

def createMenu():
    mw.form.menuOpenUrl = QMenu(u'Lookup')
    mw.form.menuTools.addAction(mw.form.menuOpenUrl.menuAction())
    createUrlAction(u'Esperanto word on Wiktionary', shortcut='w', url_template=u'https://en.wiktionary.org/wiki/{Esperanto}#Etymology');
    createUrlAction(u'Word on Lingvo',               shortcut='a', url_template=u'http://lingvo-online.ru/en/Translate/en-ru/{Word}');

createMenu()