zulip/zerver/lib/i18n.py

81 lines
2.6 KiB
Python

# -*- coding: utf-8 -*-
from __future__ import absolute_import
import operator
from django.conf import settings
from django.utils import translation
from django.utils.translation import ugettext as _
from six.moves import urllib, zip_longest, zip, range
from typing import Any, List, Dict, Optional, Text
import os
import ujson
def with_language(string, language):
# type: (Text, Text) -> Text
old_language = translation.get_language()
translation.activate(language)
result = _(string)
translation.activate(old_language)
return result
def get_language_list():
# type: () -> List[Dict[str, Any]]
path = os.path.join(settings.STATIC_ROOT, 'locale', 'language_options.json')
with open(path, 'r') as reader:
languages = ujson.load(reader)
lang_list = []
for lang_info in languages['languages']:
name = lang_info['name']
lang_info['name'] = with_language(name, lang_info['code'])
lang_list.append(lang_info)
return sorted(lang_list, key=lambda i: i['name'])
def get_language_list_for_templates(default_language):
# type: (Text) -> List[Dict[str, Dict[str, str]]]
language_list = [l for l in get_language_list()
if 'percent_translated' not in l or
l['percent_translated'] >= 5.]
formatted_list = []
lang_len = len(language_list)
firsts_end = (lang_len // 2) + operator.mod(lang_len, 2)
firsts = list(range(0, firsts_end))
seconds = list(range(firsts_end, lang_len))
assert len(firsts) + len(seconds) == lang_len
for row in zip_longest(firsts, seconds):
item = {}
for position, ind in zip(['first', 'second'], row):
if ind is None:
continue
lang = language_list[ind]
percent = name = lang['name']
if 'percent_translated' in lang:
percent = u"{} ({}%)".format(name, lang['percent_translated'])
item[position] = {
'name': name,
'code': lang['code'],
'percent': percent,
'selected': True if default_language == lang['code'] else False
}
formatted_list.append(item)
return formatted_list
def get_language_name(code):
# type: (str) -> Optional[Text]
for lang in get_language_list():
if lang['code'] == code:
return lang['name']
def get_available_language_codes():
# type: () -> List[Text]
language_list = get_language_list()
codes = [language['code'] for language in language_list]
return codes