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<div id="msg">
<dl class="meta">
<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/13137">13137</a></dd>
<dt>Author</dt> <dd>cdaboo@apple.com</dd>
<dt>Date</dt> <dd>2014-04-02 17:47:13 -0700 (Wed, 02 Apr 2014)</dd>
</dl>

<h3>Log Message</h3>
<pre>Make sure converting from one timezone to another works correctly near a DST change.</pre>

<h3>Modified Paths</h3>
<ul>
<li><a href="#CalendarServertrunktwistedcaldavicalpy">CalendarServer/trunk/twistedcaldav/ical.py</a></li>
<li><a href="#CalendarServertrunktxdavcaldavdatastoreschedulingtesttest_icaldiffpy">CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_icaldiff.py</a></li>
<li><a href="#CalendarServertrunktxdavcaldavdatastoreschedulingtesttest_implicitpy">CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_implicit.py</a></li>
</ul>

</div>
<div id="patch">
<h3>Diff</h3>
<a id="CalendarServertrunktwistedcaldavicalpy"></a>
<div class="modfile"><h4>Modified: CalendarServer/trunk/twistedcaldav/ical.py (13136 => 13137)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/trunk/twistedcaldav/ical.py        2014-04-03 00:46:02 UTC (rev 13136)
+++ CalendarServer/trunk/twistedcaldav/ical.py        2014-04-03 00:47:13 UTC (rev 13137)
</span><span class="lines">@@ -3489,10 +3489,10 @@
</span><span class="cx">     start.setDateOnly(False)
</span><span class="cx">     if tzexpanded:
</span><span class="cx">         if start != tzexpanded[0][0]:
</span><del>-            results.append((str(start), UTCOffsetValue(tzexpanded[0][1]).getText(),))
</del><ins>+            results.append((str(start), UTCOffsetValue(tzexpanded[0][2]).getText(),))
</ins><span class="cx">     else:
</span><span class="cx">         results.append((str(start), UTCOffsetValue(tzcomp._pycalendar.getTimezoneOffsetSeconds(start)).getText(),))
</span><del>-    for tzstart, _ignore_tzoffsetfrom, tzoffsetto in tzexpanded:
</del><ins>+    for tzstart, _ignore_utctzstart, _ignore_tzoffsetfrom, tzoffsetto in tzexpanded:
</ins><span class="cx">         results.append((
</span><span class="cx">             tzstart.getText(),
</span><span class="cx">             UTCOffsetValue(tzoffsetto).getText(),
</span><span class="lines">@@ -3536,9 +3536,9 @@
</span><span class="cx">         if start != tzexpanded[0][0]:
</span><span class="cx">             results.append((
</span><span class="cx">                 start,
</span><del>-                tzexpanded[0][1],
-                tzexpanded[0][1],
-                tzexpanded[0][3],
</del><ins>+                tzexpanded[0][2],
+                tzexpanded[0][2],
+                tzexpanded[0][4],
</ins><span class="cx">             ))
</span><span class="cx">     else:
</span><span class="cx">         results.append((
</span><span class="lines">@@ -3547,7 +3547,7 @@
</span><span class="cx">             tzcomp._pycalendar.getTimezoneOffsetSeconds(start),
</span><span class="cx">             tzcomp._pycalendar.getTimezoneDescriptor(start),
</span><span class="cx">         ))
</span><del>-    for tzstart, tzoffsetfrom, tzoffsetto, name in tzexpanded:
</del><ins>+    for tzstart, _ignore_utctzstart, tzoffsetfrom, tzoffsetto, name in tzexpanded:
</ins><span class="cx">         results.append((
</span><span class="cx">             tzstart,
</span><span class="cx">             tzoffsetfrom,
</span></span></pre></div>
<a id="CalendarServertrunktxdavcaldavdatastoreschedulingtesttest_icaldiffpy"></a>
<div class="modfile"><h4>Modified: CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_icaldiff.py (13136 => 13137)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_icaldiff.py        2014-04-03 00:46:02 UTC (rev 13136)
+++ CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_icaldiff.py        2014-04-03 00:47:13 UTC (rev 13137)
</span><span class="lines">@@ -20,6 +20,7 @@
</span><span class="cx"> 
</span><span class="cx"> from twistedcaldav.stdconfig import config
</span><span class="cx"> from twistedcaldav.ical import Component
</span><ins>+from twistedcaldav.timezones import TimezoneCache
</ins><span class="cx"> 
</span><span class="cx"> from txdav.caldav.datastore.scheduling.icaldiff import iCalDiff
</span><span class="cx"> 
</span><span class="lines">@@ -3273,6 +3274,240 @@
</span><span class="cx">             self.assertEqual(diffResult, result, msg=&quot;%s: actual result: (%s)&quot; % (description, &quot;, &quot;.join([str(i).replace(&quot;\r&quot;, &quot;&quot;) for i in diffResult]),))
</span><span class="cx"> 
</span><span class="cx"> 
</span><ins>+    def test_attendee_merge_timezonedst(self):
+
+        data = (
+            (
+                &quot;#1.1&quot;,
+                &quot;&quot;&quot;BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//CALENDARSERVER.ORG//NONSGML Version 1//EN
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+DTSTART;TZID=America/Los_Angeles:20140302T190000
+DTEND;TZID=America/Los_Angeles:20140302T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+RRULE:FREQ=DAILY;UNTIL=20140309T075959Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140303T190000
+DTSTART;TZID=America/Los_Angeles:20140303T190000
+DTEND;TZID=America/Los_Angeles:20140303T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140304T190000
+DTSTART;TZID=America/Los_Angeles:20140305T190000
+DTEND;TZID=America/Los_Angeles:20140305T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140305T190000
+DTSTART;TZID=America/Los_Angeles:20140304T190000
+DTEND;TZID=America/Los_Angeles:20140304T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140307T190000
+DTSTART;TZID=America/Los_Angeles:20140307T190000
+DTEND;TZID=America/Los_Angeles:20140307T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+END:VCALENDAR
+&quot;&quot;&quot;,
+                &quot;&quot;&quot;BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//CALENDARSERVER.ORG//NONSGML Version 1//EN
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+DTSTART;TZID=America/Los_Angeles:20140302T190000
+DTEND;TZID=America/Los_Angeles:20140302T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+RRULE:FREQ=DAILY;UNTIL=20140309T075959Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140303T190000
+DTSTART;TZID=America/Los_Angeles:20140303T190000
+DTEND;TZID=America/Los_Angeles:20140303T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140304T190000
+DTSTART;TZID=America/Los_Angeles:20140305T190000
+DTEND;TZID=America/Los_Angeles:20140305T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140305T190000
+DTSTART;TZID=America/Los_Angeles:20140304T190000
+DTEND;TZID=America/Los_Angeles:20140304T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140307T190000
+DTSTART;TZID=America/Los_Angeles:20140307T190000
+DTEND;TZID=America/Los_Angeles:20140307T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=NEEDS-ACTION:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140308T190000
+DTSTART;TZID=America/Los_Angeles:20140308T190000
+DTEND;TZID=America/Los_Angeles:20140308T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user1@example.com
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;RSVP=TRUE;PARTSTAT=DECLINED:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+SUMMARY:Test
+END:VEVENT
+END:VCALENDAR
+&quot;&quot;&quot;,
+                &quot;mailto:user2@example.com&quot;,
+                (True, True, ('20140309T030000Z',), &quot;&quot;&quot;BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//CALENDARSERVER.ORG//NONSGML Version 1//EN
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+DTSTART;TZID=America/Los_Angeles:20140302T190000
+DTEND;TZID=America/Los_Angeles:20140302T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+RRULE:FREQ=DAILY;UNTIL=20140309T075959Z
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140303T190000
+DTSTART;TZID=America/Los_Angeles:20140303T190000
+DTEND;TZID=America/Los_Angeles:20140303T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140304T190000
+DTSTART;TZID=America/Los_Angeles:20140305T190000
+DTEND;TZID=America/Los_Angeles:20140305T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140305T190000
+DTSTART;TZID=America/Los_Angeles:20140304T190000
+DTEND;TZID=America/Los_Angeles:20140304T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140307T190000
+DTSTART;TZID=America/Los_Angeles:20140307T190000
+DTEND;TZID=America/Los_Angeles:20140307T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=NEEDS-ACTION;RSVP=TRUE:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+SUMMARY:Test
+END:VEVENT
+BEGIN:VEVENT
+UID:252ECE12-3C4F-4895-8AE6-EB45DC9156D2
+RECURRENCE-ID;TZID=America/Los_Angeles:20140308T190000
+DTSTART;TZID=America/Los_Angeles:20140308T190000
+DTEND;TZID=America/Los_Angeles:20140308T193000
+ATTENDEE:mailto:user1@example.com
+ATTENDEE;PARTSTAT=DECLINED;RSVP=TRUE;X-CALENDARSERVER-DTSTAMP=XXXXXXXXTXXXXXXZ:mailto:user2@example.com
+DTSTAMP:20140307T052759Z
+ORGANIZER;CN=User 01:mailto:user1@example.com
+SUMMARY:Test
+END:VEVENT
+END:VCALENDAR
+&quot;&quot;&quot;)
+            ),
+        )
+
+        TimezoneCache.create()
+        for description, calendar1, calendar2, attendee, result in data:
+            differ = iCalDiff(Component.fromString(calendar1), Component.fromString(calendar2), False)
+            diffResult = differ.attendeeMerge(attendee)
+            diffResult = (
+                diffResult[0],
+                diffResult[1],
+                tuple(sorted(diffResult[2])),
+                re.sub(
+                    &quot;X-CALENDARSERVER-DTSTAMP=[^Z]+&quot;,
+                    &quot;X-CALENDARSERVER-DTSTAMP=XXXXXXXXTXXXXXX&quot;,
+                    str(diffResult[3]).replace(&quot;\r&quot;, &quot;&quot;).replace(&quot;\n &quot;, &quot;&quot;)
+                ) if diffResult[3] else None,
+            )
+            result = list(result)
+            result[2] = tuple([(DateTime.parseText(dt) if dt else None) for dt in result[2]])
+            result = tuple(result)
+            self.assertEqual(diffResult, result, msg=&quot;%s: actual result: (%s)&quot; % (description, &quot;, &quot;.join([str(i).replace(&quot;\r&quot;, &quot;&quot;) for i in diffResult]),))
+
+
</ins><span class="cx">     def test_what_is_different(self):
</span><span class="cx"> 
</span><span class="cx">         data1 = (
</span></span></pre></div>
<a id="CalendarServertrunktxdavcaldavdatastoreschedulingtesttest_implicitpy"></a>
<div class="modfile"><h4>Modified: CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_implicit.py (13136 => 13137)</h4>
<pre class="diff"><span>
<span class="info">--- CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_implicit.py        2014-04-03 00:46:02 UTC (rev 13136)
+++ CalendarServer/trunk/txdav/caldav/datastore/scheduling/test/test_implicit.py        2014-04-03 00:47:13 UTC (rev 13137)
</span><span class="lines">@@ -28,6 +28,7 @@
</span><span class="cx"> 
</span><span class="cx"> from twistedcaldav.config import config
</span><span class="cx"> from twistedcaldav.ical import Component
</span><ins>+from twistedcaldav.timezones import TimezoneCache
</ins><span class="cx"> 
</span><span class="cx"> from txdav.caldav.datastore.scheduling.implicit import ImplicitScheduler, \
</span><span class="cx">     ScheduleReplyWork
</span><span class="lines">@@ -1575,3 +1576,67 @@
</span><span class="cx">             self.assertTrue(&quot;PARTSTAT=ACCEPTED&quot; in calendar3)
</span><span class="cx"> 
</span><span class="cx">         yield deferLater(reactor, 2.0, _test_user03_refresh)
</span><ins>+
+
+    @inlineCallbacks
+    def test_doImplicitScheduling_OrganizerEventTimezoneDST(self):
+        &quot;&quot;&quot;
+        Test that doImplicitScheduling delivers scheduling messages to attendees. This test
+        creates an exception close to a DST transition to make sure timezone DST handling
+        is correct.
+        &quot;&quot;&quot;
+
+        data1 = &quot;&quot;&quot;BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//CALENDARSERVER.ORG//NONSGML Version 1//EN
+BEGIN:VEVENT
+UID:12345-67890
+DTSTAMP:20080601T120000Z
+DTSTART;TZID=America/Los_Angeles:20140302T190000
+DTEND;TZID=America/Los_Angeles:20140302T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user01@example.com
+ATTENDEE:mailto:user01@example.com
+ATTENDEE:mailto:user02@example.com
+RRULE:FREQ=DAILY;UNTIL=20140309T075959Z
+END:VEVENT
+END:VCALENDAR
+&quot;&quot;&quot;
+        data2 = &quot;&quot;&quot;BEGIN:VCALENDAR
+VERSION:2.0
+PRODID:-//CALENDARSERVER.ORG//NONSGML Version 1//EN
+BEGIN:VEVENT
+UID:12345-67890
+DTSTAMP:20080601T120000Z
+DTSTART;TZID=America/Los_Angeles:20140302T190000
+DTEND;TZID=America/Los_Angeles:20140302T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user01@example.com
+ATTENDEE:mailto:user01@example.com
+ATTENDEE:mailto:user02@example.com
+RRULE:FREQ=DAILY;UNTIL=20140309T075959Z
+END:VEVENT
+BEGIN:VEVENT
+UID:12345-67890
+DTSTAMP:20080601T120000Z
+RECURRENCE-ID;TZID=America/Los_Angeles:20140308T190000
+DTSTART;TZID=America/Los_Angeles:20140308T190000
+DTEND;TZID=America/Los_Angeles:20140308T193000
+ORGANIZER;CN=&quot;User 01&quot;:mailto:user01@example.com
+ATTENDEE:mailto:user01@example.com
+ATTENDEE:mailto:user02@example.com
+END:VEVENT
+END:VCALENDAR
+&quot;&quot;&quot;
+        TimezoneCache.create()
+
+        yield self._createCalendarObject(data1, &quot;user01&quot;, &quot;test.ics&quot;)
+
+        yield self._setCalendarData(data2, &quot;user01&quot;, &quot;test.ics&quot;)
+
+        list2 = (yield self._listCalendarObjects(&quot;user02&quot;))
+        self.assertEqual(len(list2), 1)
+        self.assertTrue(list2[0].startswith(hashlib.md5(&quot;12345-67890&quot;).hexdigest()))
+
+        list2 = (yield self._listCalendarObjects(&quot;user02&quot;, &quot;inbox&quot;))
+        self.assertEqual(len(list2), 2)
+        self.assertTrue(list2[0].startswith(hashlib.md5(&quot;12345-67890&quot;).hexdigest()))
+        self.assertTrue(list2[1].startswith(hashlib.md5(&quot;12345-67890&quot;).hexdigest()))
</ins></span></pre>
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