localize.py

# creates localized version of a string using Google Translate

import re
import json
import requests
from urllib.parse import quote_plus

def translate(text, source, target):
    url = 'https://translate.googleapis.com/translate_a/single?client=gtx&sl={source}&tl={target}&dt=t&q={text}'
    r = requests.get(url.format(source=source, target=target, text=text))
    data = json.loads(re.sub(',+', ',', r.text))
    return data[0][0][0]

def localize(text, targets):
    source = 'en'
    parts = []
    parts.append('[{}:]'.format(source))
    parts.append(text)
    for target in targets:
        parts.append('[{}:]'.format(target))
        parts.append(translate(text, source, target))
    parts.append('[:]')
    return ''.join(parts)

print(localize('Hello', ['ru', 'es']))