zulip/zerver/management/commands/compilemessages.py

148 lines
5.6 KiB
Python

import os
import re
from subprocess import CalledProcessError, check_output
from typing import Any, Dict, List, Text
import polib
import ujson
from django.conf import settings
from django.conf.locale import LANG_INFO
from django.core.management.commands import compilemessages
from django.utils.translation.trans_real import to_language
from zerver.lib.i18n import with_language
class Command(compilemessages.Command):
def handle(self, *args: Any, **options: Any) -> None:
if settings.PRODUCTION:
# HACK: When using upgrade-zulip-from-git, we're in a
# production environment where STATIC_ROOT will include
# past versions; this ensures we only process the current
# version
settings.STATIC_ROOT = os.path.join(settings.DEPLOY_ROOT, "static")
settings.LOCALE_PATHS = (os.path.join(settings.DEPLOY_ROOT, 'static/locale'),)
super().handle(*args, **options)
self.extract_language_options()
self.create_language_name_map()
def create_language_name_map(self) -> None:
join = os.path.join
static_root = settings.STATIC_ROOT
path = join(static_root, 'locale', 'language_options.json')
output_path = join(static_root, 'locale', 'language_name_map.json')
with open(path, 'r') as reader:
languages = ujson.load(reader)
lang_list = []
for lang_info in languages['languages']:
lang_info['name'] = lang_info['name_local']
del lang_info['name_local']
lang_list.append(lang_info)
lang_list.sort(key=lambda lang: lang['name'])
with open(output_path, 'w') as output_file:
ujson.dump({'name_map': lang_list}, output_file, indent=4)
def get_po_filename(self, locale_path: Text, locale: Text) -> Text:
po_template = '{}/{}/LC_MESSAGES/django.po'
return po_template.format(locale_path, locale)
def get_json_filename(self, locale_path: Text, locale: Text) -> Text:
return "{}/{}/translations.json".format(locale_path, locale)
def get_name_from_po_file(self, po_filename: Text, locale: Text) -> Text:
lang_name_re = re.compile('"Language-Team: (.*?) \(')
with open(po_filename, 'r') as reader:
result = lang_name_re.search(reader.read())
if result:
try:
return result.group(1)
except Exception:
print("Problem in parsing {}".format(po_filename))
raise
else:
raise Exception("Unknown language %s" % (locale,))
def get_locales(self) -> List[Text]:
tracked_files = check_output(['git', 'ls-files', 'static/locale'])
tracked_files = tracked_files.decode().split()
regex = re.compile('static/locale/(\w+)/LC_MESSAGES/django.po')
locales = ['en']
for tracked_file in tracked_files:
matched = regex.search(tracked_file)
if matched:
locales.append(matched.group(1))
return locales
def extract_language_options(self) -> None:
locale_path = "{}/locale".format(settings.STATIC_ROOT)
output_path = "{}/language_options.json".format(locale_path)
data = {'languages': []} # type: Dict[str, List[Dict[str, Any]]]
try:
locales = self.get_locales()
except CalledProcessError:
# In case we are not under a Git repo, fallback to getting the
# locales using listdir().
locales = os.listdir(locale_path)
locales.append('en')
locales = list(set(locales))
for locale in locales:
if locale == 'en':
data['languages'].append({
'name': 'English',
'name_local': 'English',
'code': 'en',
'locale': 'en',
})
continue
lc_messages_path = os.path.join(locale_path, locale, 'LC_MESSAGES')
if not os.path.exists(lc_messages_path):
# Not a locale.
continue
info = {} # type: Dict[str, Any]
code = to_language(locale)
percentage = self.get_translation_percentage(locale_path, locale)
try:
name = LANG_INFO[code]['name']
name_local = LANG_INFO[code]['name_local']
except KeyError:
# Fallback to getting the name from PO file.
filename = self.get_po_filename(locale_path, locale)
name = self.get_name_from_po_file(filename, locale)
name_local = with_language(name, code)
info['name'] = name
info['name_local'] = name_local
info['code'] = code
info['locale'] = locale
info['percent_translated'] = percentage
data['languages'].append(info)
with open(output_path, 'w') as writer:
ujson.dump(data, writer, indent=2)
def get_translation_percentage(self, locale_path: Text, locale: Text) -> int:
# backend stats
po = polib.pofile(self.get_po_filename(locale_path, locale))
not_translated = len(po.untranslated_entries())
total = len(po.translated_entries()) + not_translated
# frontend stats
with open(self.get_json_filename(locale_path, locale)) as reader:
for key, value in ujson.load(reader).items():
total += 1
if value == '':
not_translated += 1
return (total - not_translated) * 100 // total