[CalendarServer-changes] [2561] CalendarServer/trunk/twistedcaldav/util.py
source_changes at macosforge.org
source_changes at macosforge.org
Mon Jun 16 14:40:58 PDT 2008
Revision: 2561
http://trac.macosforge.org/projects/calendarserver/changeset/2561
Author: wsanchez at apple.com
Date: 2008-06-16 14:40:57 -0700 (Mon, 16 Jun 2008)
Log Message:
-----------
Add Alternator
Modified Paths:
--------------
CalendarServer/trunk/twistedcaldav/util.py
Modified: CalendarServer/trunk/twistedcaldav/util.py
===================================================================
--- CalendarServer/trunk/twistedcaldav/util.py 2008-06-16 21:25:09 UTC (rev 2560)
+++ CalendarServer/trunk/twistedcaldav/util.py 2008-06-16 21:40:57 UTC (rev 2561)
@@ -74,3 +74,19 @@
submodule = getattr(submodule, m)
return submodule
+
+class Alternator (object):
+ """
+ Object that alternates between True and False states.
+ """
+ def __init__(self, state=False):
+ self._state = bool(state)
+
+ def state(self):
+ """
+ @return: the current state
+ """
+ state = self._state
+ self._state = not state
+ return state
+
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