1 files changed, 96 insertions, 0 deletions
diff --git a/extensions/cpsection/datetime/model.py b/extensions/cpsection/datetime/model.py
new file mode 100644
index 0000000..84e1259
--- /dev/null
+++ b/extensions/cpsection/datetime/model.py
@@ -0,0 +1,96 @@
+# 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 timezone config is based on the system-config-date
+# (http://fedoraproject.org/wiki/SystemConfig/date) tool.
+# Parts of the code were reused.
+#
+
+import os
+from gettext import gettext as _
+import gconf
+
+_zone_tab = '/usr/share/zoneinfo/zone.tab'
+
+
+def _initialize():
+    """Initialize the docstring of the set function"""
+    if set_timezone.__doc__ is None:
+        # when running under 'python -OO', all __doc__ fields are None,
+        # so += would fail -- and this function would be unnecessary anyway.
+        return
+    timezones = read_all_timezones()
+    for timezone in timezones:
+        set_timezone.__doc__ += timezone + '\n'
+
+
+def read_all_timezones(fn=_zone_tab):
+    fd = open(fn, 'r')
+    lines = fd.readlines()
+    fd.close()
+    timezones = []
+    for line in lines:
+        if line.startswith('#'):
+            continue
+        line = line.split()
+        if len(line) > 1:
+            timezones.append(line[2])
+    timezones.sort()
+
+    for offset in xrange(-12, 13):
+        if offset < 0:
+            tz = 'GMT%d' % offset
+        elif offset > 0:
+            tz = 'GMT+%d' % offset
+        else:
+            tz = 'GMT'
+        timezones.append(tz)
+    for offset in xrange(-12, 13):
+        if offset < 0:
+            tz = 'UTC%d' % offset
+        elif offset > 0:
+            tz = 'UTC+%d' % offset
+        else:
+            tz = 'UTC'
+        timezones.append(tz)
+    return timezones
+
+
+def get_timezone():
+    client = gconf.client_get_default()
+    return client.get_string('/desktop/sugar/date/timezone')
+
+
+def print_timezone():
+    print get_timezone()
+
+
+def set_timezone(timezone):
+    """Set the system timezone
+    timezone : e.g. 'America/Los_Angeles'
+    """
+    timezones = read_all_timezones()
+    if timezone in timezones:
+        os.environ['TZ'] = timezone
+        client = gconf.client_get_default()
+        client.set_string('/desktop/sugar/date/timezone', timezone)
+    else:
+        raise ValueError(_('Error timezone does not exist.'))
+    return 1
+
+# inilialize the docstrings for the timezone
+_initialize()