Use Google REST Translate service

translate.py

#!/usr/bin/env python2
# -*- coding : utf-8 -*-
#

from os import getenv
from sys import path, argv
from httplib import HTTPConnection
from json import loads
from pprint import pprint
from array import array
from optparse import OptionParser
import ast

__author__    =   "hugsy"
__version__   =   0.2
__licence__   =   "WTFPL v.2"
__file__      =   "translate.py"
__desc__      =   """Pompe honteusement Google Translate pour traduire du texte"""
__usage__     =   """
%prog version {0}, {1}
by {2}
syntax: {3} [options] args
""".format(__version__, __licence__, __author__, argv[0])

parser = OptionParser(usage = __usage__,
                      version = "%prog version "+str(__version__),
                      description = __desc__)

parser.add_option("-v", "--verbose", default=False,
                  action="store_true", dest="verbose",
                  help="increments verbosity")

parser.add_option("-f", "--from", default="auto",
                  type="string", dest="de", metavar="LANG",
                  help="choose source language [default '%default']")

parser.add_option("-t", "--to", default="fr",
                  type="string", dest="vers", metavar="LANG",
                  help="choose dest language [default '%default']")

parser.add_option("-l", "--list", default=False,
                  action="store_true", dest="liste",
                  help="list supported language")

(options, args) = parser.parse_args()

langs = []
langs.append("af")
langs.append("sq")
langs.append("de")
langs.append("en")
langs.append("ar")
langs.append("hy")
langs.append("az")
langs.append("eu")
langs.append("be")
langs.append("bg")
langs.append("ca")
langs.append("zh-CN")
langs.append("ko")
langs.append("ht")
langs.append("hr")
langs.append("da")
langs.append("es")
langs.append("et")
langs.append("fi")
langs.append("fr")
langs.append("gl")
langs.append("cy")
langs.append("ka")
langs.append("el")
langs.append("iw")
langs.append("hi")
langs.append("hu")
langs.append("id")
langs.append("ga")
langs.append("is")
langs.append("it")
langs.append("ja")
langs.append("la")
langs.append("lv")
langs.append("lt")
langs.append("mk")
langs.append("ms")
langs.append("mt")
langs.append("nl")
langs.append("no")
langs.append("fa")
langs.append("pl")
langs.append("pt")
langs.append("ro")
langs.append("ru")
langs.append("sr")
langs.append("sk")
langs.append("sl")
langs.append("sv")
langs.append("sw")
langs.append("tl")
langs.append("cs")
langs.append("th")
langs.append("tr")
langs.append("uk")
langs.append("ur")
langs.append("vi")
langs.append("yi")

if options.liste :
    print ("Available language:")
    print ("* %s" % ', '.join(langs))
    exit (0)


texte = " ".join(args).replace (" ", "%20")
host = "translate.google.fr"
path = "/translate_a/t"



def clear_str(s):
    # Google Translate ne respecte pas ECMA-262, cette fonction nettoie
    # "a la sauvage" la chaine avant de la filer au parser JSON

    b = ""
    while b != s:
        b = s
        s = s.replace(",,", ",")

    return b.replace(",]", "]")


def json2string(s):
    ret = ""
    try:
        data = loads(s)

        for elt in data:
            if (type(elt[0][1]).__name__ == 'list') :
                # ret+= ("[%s]\n" % elt[0][0])
                for l in elt[0][1]:
                    ret += ("\t* %s\n" % l)
            else :
                ret += "* %s\n" % elt[0][0]
        return ret

    except IndexError:
        return ret

    except Exception as e :
        print ("[!] Exception '%s'" % e)
        print ("%s" % s)
        return False


def list2string(s):
    ret = ""
    e = ast.literal_eval(s)
    if e is not None:
        pp = pprint.PrettyPrinter()
        return "%s" % pp.pprint(e)
    return False


http = HTTPConnection(host)
headers = {"Accept-Charset": "utf-8;q=0.7,*;q=0.7",
           "Accept": "text/plain",
           "User-Agent": "Mozilla/5.0 (compatible; MSIE 7.0; Windows NT 6.0; fr-FR)"}
http.request("GET",
             "%s?client=t&sl=%s&tl=%s&text=%s"%(path, options.de, options.vers, texte),
             None,
             headers)

res = http.getresponse()
if res.status != 200 :
    print ("[-] HTTP %d : %s" % (res.status, res.reason))
    exit(1)

b = res.read().decode("utf-8")
chaine = clear_str(b)
ret = json2string(chaine)

if ret != False:
    print ("%s " % ret)
else:
    print ("Failed to parse string")

http.close()

exit(0)