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Diffstat (limited to 'src/controlpanel/model/language.py')
-rw-r--r-- | src/controlpanel/model/language.py | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/controlpanel/model/language.py b/src/controlpanel/model/language.py new file mode 100644 index 0000000..404d9dd --- /dev/null +++ b/src/controlpanel/model/language.py @@ -0,0 +1,135 @@ +# 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 +from gettext import gettext as _ +import subprocess + +_default_lang = 'en_US.utf8' +_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.lstrip('locale:') + locale = locale.split('archive:')[0].strip() + 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_language.__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_language.__doc__ += '\n' + for lang in languages: + set_language.__doc__ += '%s \n' % (lang[0].replace(' ', '_') + '/' + + lang[1].replace(' ', '_')) + +def _write_i18n(lang): + path = os.path.join(os.environ.get("HOME"), '.i18n') + if os.access(path, os.W_OK) == 0: + print _standard_msg + fd = open(path, 'w') + fd.write('LANG="%s"\n' % _default_lang) + fd.close() + else: + fd = open(path, 'r') + lines = fd.readlines() + fd.close() + for i in range(len(lines)): + if lines[i][:5] == "LANG=": + lines[i] = 'LANG="%s"\n' % lang + fd = open(path, 'w') + fd.writelines(lines) + fd.close() + +def get_language(): + path = os.path.join(os.environ.get("HOME"), '.i18n') + if os.access(path, os.R_OK) == 0: + print _standard_msg + fd = open(path, 'w') + fd.write('LANG="%s"\n' % _default_lang) + fd.close() + return _default_lang + + fd = open(path, "r") + lines = fd.readlines() + fd.close() + + lang = None + + for line in lines: + if line[:5] == "LANG=": + lang = line[5:].replace('"', '') + lang = lang.strip() + + return lang + +def print_language(): + code = get_language() + + languages = read_all_languages() + for lang in languages: + if lang[2].split('.')[0] == code.split('.')[0]: + print lang[0].replace(' ', '_') + '/' + lang[1].replace(' ', '_') + return + print (_("Language for code=%s could not be determined.") % code) + +def set_language(language): + """Set the system language. + languages : + """ + if language.endswith('utf8'): + _write_i18n(language) + return 1 + else: + languages = read_all_languages() + for lang, territory, locale in languages: + code = lang.replace(' ', '_') + '/' \ + + territory.replace(' ', '_') + if code == language: + _write_i18n(locale) + return 1 + print (_("Sorry I do not speak \'%s\'.") % language) + +# inilialize the docstrings for the language +_initialize() + |