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Linux ip-172-31-46-210 5.15.0-1033-aws #37~20.04.1-Ubuntu SMP Fri Mar 17 11:39:30 UTC 2023 x86_64
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lib
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language-selector
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View File Name :
ls-dbus-backend
#!/usr/bin/python3 import dbus import dbus.mainloop.glib dbus.mainloop.glib.DBusGMainLoop(set_as_default=True) import dbus.service from gi.repository import GObject import logging import re import subprocess import sys import LanguageSelector.macros from LanguageSelector.utils import * DATADIR="/usr/share/language-selector/" class LanguageSelectorServer(dbus.service.Object): def __init__(self, bus=dbus.SystemBus(), datadir=DATADIR): bus_name = dbus.service.BusName('com.ubuntu.LanguageSelector', bus=bus) dbus.service.Object.__init__(self, bus_name, '/') self._datadir = "/usr/share/language-selector/" self._re_locale = re.compile(r'^[\w.@:-]+$') def _authWithPolicyKit(self, sender, connection, priv): logging.debug("_authWithPolicyKit") system_bus = dbus.SystemBus() obj = system_bus.get_object("org.freedesktop.PolicyKit1", "/org/freedesktop/PolicyKit1/Authority", "org.freedesktop.PolicyKit1.Authority") policykit = dbus.Interface(obj, "org.freedesktop.PolicyKit1.Authority") subject = ('system-bus-name', { 'name': dbus.String(sender, variant_level = 1) } ) details = { '' : '' } flags = dbus.UInt32(1) # AllowUserInteraction = 0x00000001 cancel_id = '' (ok, notused, details) = policykit.CheckAuthorization( subject, priv, details, flags, cancel_id) return ok @dbus.service.method(dbus_interface='com.ubuntu.LanguageSelector', in_signature="s", out_signature="b", connection_keyword='connection', sender_keyword='sender') def SetSystemDefaultLanguageEnv(self, sysLanguage, sender, connection): """ sysLanguage - the default system LANGUAGE and LANG """ logging.debug("SetSystemDefaultLanguage") if not self._re_locale.search(sysLanguage): logging.error('SetSystemDefaultLanguage: Invalid locale "%s", rejecting', sysLanguage) return False if not self._authWithPolicyKit(sender, connection, "com.ubuntu.languageselector.setsystemdefaultlanguage"): return False conffiles = ["/etc/default/locale"] findString = "LANGUAGE=" setString = "LANGUAGE=\"%s\"\n" % sysLanguage find_string_and_replace(findString, setString, conffiles) defaultLanguageLocale = language2locale(sysLanguage) findString = "LANG=" setString = "LANG=\"%s\"\n" % defaultLanguageLocale find_string_and_replace(findString, setString, conffiles) return True @dbus.service.method(dbus_interface='com.ubuntu.LanguageSelector', in_signature="s", out_signature="b", connection_keyword='connection', sender_keyword='sender') def SetSystemDefaultFormatsEnv(self, sysFormats, sender, connection): """ sysFormats: various LC_* variables (de_DE.UTF-8) """ logging.debug("SetSystemDefaultFormatsEnv") if not self._re_locale.search(sysFormats): logging.error('SetSystemDefaultFormatsEnv: Invalid locale "%s", rejecting', sysFormats) return False if not self._authWithPolicyKit(sender, connection, "com.ubuntu.languageselector.setsystemdefaultlanguage"): return False conffiles = ["/etc/default/locale"] macr = LanguageSelector.macros.LangpackMacros(self._datadir, sysFormats) defaultFormatsLocale = macr['SYSLOCALE'] for var in 'LC_NUMERIC', 'LC_TIME', 'LC_MONETARY', 'LC_PAPER', 'LC_IDENTIFICATION', \ 'LC_NAME', 'LC_ADDRESS', 'LC_TELEPHONE', 'LC_MEASUREMENT': findString = "%s=" % var setString = "%s=\"%s\"\n" % (var, defaultFormatsLocale) find_string_and_replace(findString, setString, conffiles) """ /etc/papersize ('a4' or 'letter') """ papersize = subprocess.check_output( ['/usr/share/language-tools/locale2papersize', defaultFormatsLocale], universal_newlines=True) with open('/etc/papersize', 'w') as f: f.write(papersize) return True if __name__ == "__main__": # FIXME: use argparse if len(sys.argv) > 1 and sys.argv[1] == "--debug": logging.basicConfig(level=logging.DEBUG) server = LanguageSelectorServer() GObject.MainLoop().run()