#!/usr/bin/python

import re
import os

abspath = os.path.abspath(__file__)
dname = os.path.dirname(abspath)
os.chdir(dname)

path = '../web/l10n/'

files = [f for f in os.listdir(path) if os.path.isfile(path + f) and f.endswith('.js') and not f.endswith('en.js')]
for f in files:
    f = path + f

    print 'en -> ' + f[-5:-3]

    dict = {}

    for line in open(f).read().splitlines():
        match = re.search("    (\\w+): '(.+)'(,)?", line)
        if match:
            dict[match.group(1)] = match.group(2)

    out = open(f, 'w')

    for line in open(path + 'en.js').read().splitlines():
        match = re.search("    (\\w+): '(.+)'(,)?", line)
        if match:
            if dict.has_key(match.group(1)):
                value = dict[match.group(1)]
            else:
                print '"' + match.group(2) + '"'
                value = match.group(2) + ' (*)'

            out.write('    ' + match.group(1) + ": '" + value + "'")
            if match.group(3) is not None:
                out.write(',')
            out.write('\n')
        else:
            out.write(line + '\n')

#!/usr/bin/python

import os
import optparse
import urllib2
import json
import base64

parser = optparse.OptionParser()
parser.add_option("-u", "--user", dest="username", help="transifex user login")
parser.add_option("-p", "--password", dest="password", help="transifex user password")

(options, args) = parser.parse_args()

if not options.username or not options.password:
    parser.error('User name and password are required')

os.chdir(os.path.dirname(os.path.abspath(__file__)))

path = "../web/l10n/"

def request(url):
    req = urllib2.Request(url)
    auth = base64.encodestring("%s:%s" % (options.username, options.password)).replace("\n", "")
    req.add_header("Authorization", "Basic %s" % auth)
    return urllib2.urlopen(req)

resource = json.load(request("https://www.transifex.com/api/2/project/traccar/resource/web/?details"))

for language in resource["available_languages"]:
    code = language["code"]
    data = request("https://www.transifex.com/api/2/project/traccar/resource/web/translation/" + code + "?file")
    file = open(path + code + ".json", "wb")
    file.write(data.read())
    file.close()

Use transifex service for tranlation