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Diffstat (limited to 'extensions/cpsection/language/model.py')
| -rw-r--r-- | extensions/cpsection/language/model.py | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/extensions/cpsection/language/model.py b/extensions/cpsection/language/model.py new file mode 100644 index 0000000..17de6bb --- /dev/null +++ b/extensions/cpsection/language/model.py @@ -0,0 +1,164 @@ +# 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() |