i18n.py

#Embedded file name: scripts/client/helpers/i18n.py
import types
import json
import gettext
import BigWorld
from collections import defaultdict
from encodings import utf_8
from debug_utils import LOG_WARNING, LOG_CURRENT_EXCEPTION, LOG_DEBUG

def _getTranslator(domain):
    path = convert(BigWorld.wg_resolveFileName('text')[:-5])
    return gettext.translation(domain, path, languages=['text'])


class _TranslatorsCache(defaultdict):

    def __missing__(self, key):
        self[key] = value = _getTranslator(key)
        return value


g_translators = _TranslatorsCache()

def convert(utf8String):
    try:
        return utf_8.decode(utf8String)[0]
    except Exception:
        LOG_CURRENT_EXCEPTION()
        LOG_WARNING('Wrong UTF8 string', utf8String)
        return utf_8.decode('----')[0]


def isValidKey(key):
    return key and key[0] == '#'


def doesTextExist(key):
    if not isValidKey(key):
        return False
    moName, subkey = key[1:].split(':', 1)
    if not moName or not subkey:
        return False
    translator = g_translators[moName]
    text = translator.gettext(subkey)
    return text != subkey


def makeString(key, *args, **kwargs):
    try:
        if not key or key[0] != '#':
            return key
        moName, subkey = key[1:].split(':', 1)
        if not moName or not subkey:
            return key
        translator = g_translators[moName]
        text = translator.gettext(subkey)
        if text == '?empty?':
            text = ''
        if args:
            try:
                text = text % args
            except TypeError:
                LOG_WARNING("Arguments do not match string read by key '%s': %s", (key, args))
                return key

        elif kwargs:
            try:
                text = text % kwargs
            except TypeError:
                LOG_WARNING("Arguments do not match string read by key '%s': %s", (key, kwargs))
                return key

        return text
    except Exception:
        LOG_CURRENT_EXCEPTION()
        LOG_WARNING('Key string incompatible with args', key, args, kwargs)
        return key


def makeStringJSON(key, argsStr):
    try:
        args = json.loads(argsStr)
        if isinstance(args, dict):
            utf8args = {}
            for k, v in args.iteritems():
                utf8args[k.encode('utf-8')] = v.encode('utf-8')

            return makeString(key, **utf8args)
        utf8args = []
        for v in args:
            if isinstance(v, str):
                utf8args.append(v.encode('utf-8'))
            else:
                utf8args.append(v)

        return makeString(key, *tuple(utf8args))
    except Exception:
        LOG_CURRENT_EXCEPTION()
        LOG_WARNING('Failed to translate JSON-encoded string to dict or list', key, argsStr)
        return key


def encodeUtf8(string):
    if isinstance(string, types.UnicodeType):
        return string.encode('utf-8', 'ignore')
    return string