Simple console en-ru translator.

translator.py

#!/usr/bin/env python

#----------------------------------------------------------------------
# Imports
#----------------------------------------------------------------------

import sys
import json
import requests

#----------------------------------------------------------------------
# Code 
#----------------------------------------------------------------------

URI = 'https://translate.yandex.net/api/v1.5/tr.json/translate'
KEY = ''

if __name__ == '__main__':
    resp = requests.get(URI, params={
        "key": KEY,
        "lang": "en-ru",
        "text": " ".join(sys.argv[1:]),
        "format": "plain"
    })

    print(json.loads(resp.content.decode('utf-8'))["text"])