gajim-plural/gajim/common/i18n.py

183 lines
5.2 KiB
Python

# Copyright (C) 2003-2014 Yann Leboulanger <asterix AT lagaule.org>
# Copyright (C) 2004 Vincent Hanquez <tab AT snarc.org>
# Copyright (C) 2005-2006 Nikos Kouremenos <kourem AT gmail.com>
# Copyright (C) 2009 Benjamin Richter <br AT waldteufel-online.net>
# Copyright (C) 2018 Philipp Hörist <philipp AT hoerist.com>
#
# This file is part of Gajim.
#
# Gajim is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published
# by the Free Software Foundation; version 3 only.
#
# Gajim is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Gajim. If not, see <http://www.gnu.org/licenses/>.
import os
import sys
import locale
import gettext
import unicodedata
from pathlib import Path
DOMAIN = 'gajim'
LANG = 'en'
direction_mark = '\u200E'
_translation = gettext.NullTranslations()
def get_locale_dirs():
if os.name == 'nt':
return
path = gettext.find(DOMAIN)
if path is not None:
# gettext can find the location itself
# so we dont need the localedir
return
if Path('/app/share/run-as-flatpak').exists():
# Check if we run as flatpak
return [Path('/app/share/')]
data_dirs = os.getenv('XDG_DATA_DIRS')
if data_dirs:
return list(map(Path, data_dirs.split(':')))
return [Path('/usr/local/share/'), Path('/usr/share/')]
def iter_locale_dirs():
locale_dirs = get_locale_dirs()
if locale_dirs is None:
yield None
return
# gettext fallback
locale_dirs.append(Path(sys.base_prefix) / 'share')
found_paths = []
for path in locale_dirs:
locale_dir = path / 'locale'
if locale_dir in found_paths:
continue
found_paths.append(locale_dir)
if locale_dir.is_dir():
yield str(locale_dir)
def get_default_lang():
if os.name == "nt":
import ctypes
windll = ctypes.windll.kernel32
lang = locale.windows_locale[windll.GetUserDefaultUILanguage()]
return lang[:2]
if sys.platform == "darwin":
from AppKit import NSLocale
return NSLocale.currentLocale().languageCode()
default = locale.getdefaultlocale()[0]
if default is not None:
return default[:2]
return 'en'
def initialize_direction_mark():
from gi.repository import Gtk
global direction_mark
if Gtk.Widget.get_default_direction() == Gtk.TextDirection.RTL:
direction_mark = '\u200F'
def paragraph_direction_mark(text):
"""
Determine paragraph writing direction according to
http://www.unicode.org/reports/tr9/#The_Paragraph_Level
Returns either Unicode LTR mark or RTL mark.
"""
for char in text:
bidi = unicodedata.bidirectional(char)
if bidi == 'L':
return '\u200E'
if bidi in ('AL', 'R'):
return '\u200F'
return '\u200E'
def Q_(text):
"""
Translate the given text, optionally qualified with a special
construction, which will help translators to disambiguate between
same terms, but in different contexts.
When translated text is returned - this rudimentary construction
will be stripped off, if it's present.
Here is the construction to use:
Q_("?vcard:Unknown")
Everything between ? and : - is the qualifier to convey the context
to the translators. Everything after : - is the text itself.
"""
text = _(text)
if text.startswith('?'):
text = text.split(':', 1)[1]
return text
def ngettext(s_sing, s_plural, n, replace_sing=None, replace_plural=None):
"""
Use as:
i18n.ngettext(
'leave room %s', 'leave rooms %s', len(rooms), 'a', 'a, b, c')
In other words this is a hack to ngettext() to support %s %d etc..
"""
text = _translation.ngettext(s_sing, s_plural, n)
if n == 1 and replace_sing is not None:
text = text % replace_sing
elif n > 1 and replace_plural is not None:
text = text % replace_plural
return text
try:
locale.setlocale(locale.LC_ALL, '')
except locale.Error as error:
print(error, file=sys.stderr)
try:
LANG = get_default_lang()
if os.name == 'nt':
# Set the env var on Windows because gettext.find() uses it to
# find the translation
os.environ['LANG'] = LANG
print('Found default language: %s' % LANG)
except Exception as error:
print('Failed to determine default language', file=sys.stderr)
import traceback
traceback.print_exc()
# Search for the translation in all locale dirs
for dir_ in iter_locale_dirs():
try:
_translation = gettext.translation(DOMAIN, dir_)
_ = _translation.gettext
if hasattr(locale, 'bindtextdomain'):
locale.bindtextdomain(DOMAIN, dir_) # type: ignore
except OSError:
continue
else:
break
else:
print('No translations found', file=sys.stderr)
print('Dirs searched: %s' % get_locale_dirs(), file=sys.stderr)
_ = _translation.gettext