Translate text in clipboard

translator.py

import os
import gtk
from textblob import TextBlob

word = gtk.clipboard_get(selection="PRIMARY").wait_for_text()
if not word:
    word = gtk.clipboard_get(selection="CLIPBOARD").wait_for_text()

if word:
    source_lang = TextBlob(word).detect_language()
    target_lang = 'ru' if source_lang == 'en' else 'en'
    translate = TextBlob(word.lower()).translate(to=target_lang)
    os.system('notify-send "%s"' % translate)
else:
    os.system('notify-send "No word"')