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# Copyright (C) 2007, 2008 One Laptop Per Child
#
# This program 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; either version 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#
#
# The language config is based on the system-config-language
# (http://fedoraproject.org/wiki/SystemConfig/language) tool
# Parts of the code were reused.
#
import os
import locale
from gettext import gettext as _
import subprocess
_default_lang = '%s.%s' % locale.getdefaultlocale()
_standard_msg = _('Could not access ~/.i18n. Create standard settings.')
def read_all_languages():
fdp = subprocess.Popen(['locale', '-av'], stdout=subprocess.PIPE)
lines = fdp.stdout.read().split('\n')
locales = []
for line in lines:
if line.find('locale:') != -1:
locale = line.split()[1]
elif line.find('language |') != -1:
lang = line.lstrip('language |')
elif line.find('territory |') != -1:
territory = line.lstrip('territory |')
if locale.endswith('utf8') and len(lang):
locales.append((lang, territory, locale))
#FIXME: This is a temporary workaround for locales that are essential to
# OLPC, but are not in Glibc yet.
locales.append(('Kreyol', 'Haiti', 'ht_HT.utf8'))
locales.append(('Dari', 'Afghanistan', 'fa_AF.utf8'))
locales.append(('Pashto', 'Afghanistan', 'ps_AF.utf8'))
locales.sort()
return locales
def _initialize():
if set_languages.__doc__ is None:
# when running under 'python -OO', all __doc__ fields are None,
# so += would fail -- and this function would be unnecessary anyway.
return
languages = read_all_languages()
set_languages.__doc__ += '\n'
for lang in languages:
set_languages.__doc__ += '%s \n' % (lang[0].replace(' ', '_') + '/' +
lang[1].replace(' ', '_'))
def _write_i18n(lang_env, language_env):
path = os.path.join(os.environ.get('HOME'), '.i18n')
if not os.access(path, os.W_OK):
print _standard_msg
fd = open(path, 'w')
fd.write('LANG="%s"\n' % _default_lang)
fd.write('LANGUAGE="%s"\n' % _default_lang)
fd.close()
else:
fd = open(path, 'w')
fd.write('LANG="%s"\n' % lang_env)
fd.write('LANGUAGE="%s"\n' % language_env)
fd.close()
def get_languages():
path = os.path.join(os.environ.get('HOME', ''), '.i18n')
if not os.access(path, os.R_OK):
print _standard_msg
fd = open(path, 'w')
fd.write('LANG="%s"\n' % _default_lang)
fd.write('LANGUAGE="%s"\n' % _default_lang)
fd.close()
return [_default_lang]
fd = open(path, 'r')
lines = fd.readlines()
fd.close()
langlist = None
for line in lines:
if line.startswith('LANGUAGE='):
lang = line[9:].replace('"', '')
lang = lang.strip()
langlist = lang.split(':')
elif line.startswith('LANG='):
lang = line[5:].replace('"', '')
# There might be cases where .i18n may not contain a LANGUAGE field
if langlist == None:
return [lang]
else:
return langlist
def print_languages():
codes = get_languages()
languages = read_all_languages()
for code in codes:
found_lang = False
for lang in languages:
if lang[2].split('.')[0] == code.split('.')[0]:
print lang[0].replace(' ', '_') + '/' + \
lang[1].replace(' ', '_')
found_lang = True
break
if not found_lang:
print (_('Language for code=%s could not be determined.') % code)
def set_languages(languages):
"""Set the system language.
languages :
"""
if isinstance(languages, list):
set_languages_list(languages)
return
if languages.endswith('utf8'):
set_languages_list([languages])
return 1
else:
langs = read_all_languages()
for lang, territory, locale in langs:
code = lang.replace(' ', '_') + '/' \
+ territory.replace(' ', '_')
if code == languages:
set_languages_list([locale])
return 1
print (_("Sorry I do not speak \'%s\'.") % languages)
def set_languages_list(languages):
"""Set the system language using a list of preferred languages"""
colon = ':'
language_env = colon.join(languages)
lang_env = languages[0].strip('\n')
_write_i18n(lang_env, language_env)
# inilialize the docstrings for the language
_initialize()
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