Python-сообщество

# coding: utf8

import urllib
import httplib
import re

def translate(text):
    params={"ie":"UTF-8", "text":text,
            "sl":'en', "tl":'ru'}
    params=urllib.urlencode(params)
    headers={"Content-Length":"%d" % len(params)}

    connection=httplib.HTTPConnection("translate.google.com")
    connection.request("POST", "/translate_t", params, headers)
    response=connection.getresponse()
    res=response.read().decode('koi8-r')
    
    return re.findall(r'<textarea name=utrans[^<>]*">([^<>]*)</textarea>',res)[0].replace('&lt;br&gt;','\n')
    
print translate('Hello world!\nChecking the translation.')

Привет мир!
Проверка правильности перевода.

# coding: utf-8

import urllib
import urllib2
import re

HEADERS = {
    'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 6.0; ru; rv:1.9.1.7) Gecko/20091221 Firefox/3.5.7',
    'Accept': 'text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8',
    'Accept-Language': 'ru,en-us;q=0.7,en;q=0.3',
    'Accept-Charset': 'utf-8;q=0.7,*;q=0.7'
}

def translate(text, sl, tl):
    params = {
        'hl': '',
        'ie': 'UTF-8',
        'text': text,
        'sl': sl,
        'tl': tl
    }
    url = 'http://translate.google.com/translate_t?'
    req = urllib2.Request(url + urllib.urlencode(params), headers=HEADERS)
    page = urllib2.urlopen(req).read()
    
    return re.findall(r'<textarea name=utrans[^<>]*">([^<>]*)</textarea>', page)[0].replace('<br>','\n')

print translate('Все работает', 'ru', 'en')

All works