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<title>[14245] PyCalendar/trunk/src/pycalendar/icalendar</title>
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<dt>Revision</dt> <dd><a href="http://trac.calendarserver.org//changeset/14245">14245</a></dd>
<dt>Author</dt> <dd>cdaboo@apple.com</dd>
<dt>Date</dt> <dd>2015-01-06 08:20:22 -0800 (Tue, 06 Jan 2015)</dd>
</dl>
<h3>Log Message</h3>
<pre>Addition recurrence-related api.</pre>
<h3>Modified Paths</h3>
<ul>
<li><a href="#PyCalendartrunksrcpycalendaricalendarcalendarpy">PyCalendar/trunk/src/pycalendar/icalendar/calendar.py</a></li>
<li><a href="#PyCalendartrunksrcpycalendaricalendarteststest_calendarpy">PyCalendar/trunk/src/pycalendar/icalendar/tests/test_calendar.py</a></li>
</ul>
</div>
<div id="patch">
<h3>Diff</h3>
<a id="PyCalendartrunksrcpycalendaricalendarcalendarpy"></a>
<div class="modfile"><h4>Modified: PyCalendar/trunk/src/pycalendar/icalendar/calendar.py (14244 => 14245)</h4>
<pre class="diff"><span>
<span class="info">--- PyCalendar/trunk/src/pycalendar/icalendar/calendar.py        2015-01-06 16:20:06 UTC (rev 14244)
+++ PyCalendar/trunk/src/pycalendar/icalendar/calendar.py        2015-01-06 16:20:22 UTC (rev 14245)
</span><span class="lines">@@ -351,6 +351,80 @@
</span><span class="cx"> del self.mMasterComponentsByTypeAndUID[component.getType()][uid]
</span><span class="cx">
</span><span class="cx">
</span><ins>+ def deriveComponent(self, recurrenceID):
+ """
+ Derive an overridden component for the associated RECURRENCE-ID. This assumes
+ that the R-ID is valid for the actual recurrence being used.
+
+ @param recurrenceID: the recurrence instance
+ @type recurrenceID: L{DateTime}
+
+ @return: the derived component
+ @rtype: L{ComponentRecur} or L{None}
+ """
+ master = self.masterComponent()
+ if master is None:
+ return None
+
+ # Create the derived instance
+ newcomp = master.duplicate()
+
+ # Strip out unwanted recurrence properties
+ for propname in (
+ definitions.cICalProperty_RRULE,
+ definitions.cICalProperty_RDATE,
+ definitions.cICalProperty_EXRULE,
+ definitions.cICalProperty_EXDATE,
+ definitions.cICalProperty_RECURRENCE_ID,
+ ):
+ newcomp.removeProperties(propname)
+
+ # New DTSTART is the RECURRENCE-ID we are deriving but adjusted to the
+ # original DTSTART's localtime
+ dtstart = newcomp.getStart()
+ dtend = newcomp.getEnd()
+ oldduration = dtend - dtstart
+
+ newdtstartValue = recurrenceID.duplicate()
+ if not dtstart.isDateOnly():
+ if dtstart.local():
+ newdtstartValue.adjustTimezone(dtstart.getTimezone())
+ else:
+ newdtstartValue.setDateOnly(True)
+
+ newcomp.removeProperties(definitions.cICalProperty_DTSTART)
+ newcomp.removeProperties(definitions.cICalProperty_DTEND)
+ prop = Property(definitions.cICalProperty_DTSTART, newdtstartValue)
+ newcomp.addProperty(prop)
+ if not newcomp.useDuration():
+ prop = Property(definitions.cICalProperty_DTEND, newdtstartValue + oldduration)
+ newcomp.addProperty(prop)
+
+ newcomp.addProperty(Property("RECURRENCE-ID", newdtstartValue))
+
+ # After creating/changing a component we need to do this to keep PyCalendar happy
+ newcomp.finalise()
+
+ return newcomp
+
+
+ def masterComponent(self):
+ """
+ Return the first sub-component of a recurring type that represents the master
+ instance.
+
+ @return: the master component
+ @rtype: L{ComponentRecur} or L{None}
+ """
+ for component in self.getComponents():
+ if isinstance(component, ComponentRecur):
+ rid = component.getRecurrenceID()
+ if rid is None:
+ return component
+ else:
+ return None
+
+
</ins><span class="cx"> def getText(self, includeTimezones=None, format=None):
</span><span class="cx">
</span><span class="cx"> if format is None or format == self.sFormatText:
</span></span></pre></div>
<a id="PyCalendartrunksrcpycalendaricalendarteststest_calendarpy"></a>
<div class="modfile"><h4>Modified: PyCalendar/trunk/src/pycalendar/icalendar/tests/test_calendar.py (14244 => 14245)</h4>
<pre class="diff"><span>
<span class="info">--- PyCalendar/trunk/src/pycalendar/icalendar/tests/test_calendar.py        2015-01-06 16:20:06 UTC (rev 14244)
+++ PyCalendar/trunk/src/pycalendar/icalendar/tests/test_calendar.py        2015-01-06 16:20:22 UTC (rev 14245)
</span><span class="lines">@@ -20,6 +20,7 @@
</span><span class="cx"> from pycalendar.icalendar.property import Property
</span><span class="cx"> from pycalendar.parser import ParserContext
</span><span class="cx"> from pycalendar.period import Period
</span><ins>+from pycalendar.timezone import Timezone
</ins><span class="cx"> import cStringIO as StringIO
</span><span class="cx"> import difflib
</span><span class="cx"> import unittest
</span><span class="lines">@@ -852,3 +853,390 @@
</span><span class="cx"> )
</span><span class="cx"> instances = tuple([instance.getInstanceStart() for instance in instances])
</span><span class="cx"> self.assertEqual(instances, result, "Failed in %s: got %s, expected %s" % (title, instances, result))
</span><ins>+
+
+ def testMasterComponent(self):
+
+ data = (
+ (
+ "1.1 Non-recurring no VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;VALUE=DATE:20110601
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;VALUE=DATE:20110601
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "1.2 Non-recurring with VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "2.1 Recurring no VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;VALUE=DATE:20110601
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+RRULE:FREQ=DAILY
+SUMMARY:New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;VALUE=DATE:20110602
+DTSTART;VALUE=DATE:20110602
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;VALUE=DATE:20110601
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+RRULE:FREQ=DAILY
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "2.2 Recurring with VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+RRULE:FREQ=DAILY
+END:VEVENT
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110602T000000
+DTSTART;TZID=Etc/GMT+1:20110602T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+RRULE:FREQ=DAILY
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "3.1 Recurring no master, no VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;VALUE=DATE:20110602
+DTSTART;VALUE=DATE:20110602
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ "",
+ ),
+ (
+ "3.2 Recurring no master, with VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110602T000000
+DTSTART;TZID=Etc/GMT+1:20110602T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ "",
+ ),
+ )
+
+ for title, caldata, result in data:
+ calendar = Calendar.parseText(caldata)
+ master = calendar.masterComponent()
+ if master is None:
+ master = ""
+ self.assertEqual(str(master), result, "Failed in %s: got %s, expected %s" % (title, master, result))
+
+
+ def testDeriveComponent(self):
+
+ data = (
+ (
+ "1.1 Recurring no VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;VALUE=DATE:20110601
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+RRULE:FREQ=DAILY
+SUMMARY:New Year's Day
+END:VEVENT
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;VALUE=DATE:20110602
+DTSTART;VALUE=DATE:20110602
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ DateTime(2011, 6, 3),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;VALUE=DATE:20110603
+DTSTART;VALUE=DATE:20110603
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "2.2 Recurring with VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+RRULE:FREQ=DAILY
+END:VEVENT
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110602T000000
+DTSTART;TZID=Etc/GMT+1:20110602T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ DateTime(2011, 6, 3, 1, 0, 0, Timezone(utc=True)),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110603T000000
+DTSTART;TZID=Etc/GMT+1:20110603T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "2.3 Recurring with VTIMEZONE, DTEND",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+DTSTART;TZID=Etc/GMT+1:20110601T000000
+DTEND;TZID=Etc/GMT+1:20110601T020000
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+RRULE:FREQ=DAILY
+END:VEVENT
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110602T000000
+DTSTART;TZID=Etc/GMT+1:20110602T000000
+DTEND;TZID=Etc/GMT+1:20110602T020000
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ DateTime(2011, 6, 3, 1, 0, 0, Timezone(utc=True)),
+ """BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110603T000000
+DTSTART;TZID=Etc/GMT+1:20110603T000000
+DTEND;TZID=Etc/GMT+1:20110603T020000
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+""".replace("\n", "\r\n"),
+ ),
+ (
+ "2.1 Recurring no master, no VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;VALUE=DATE:20110602
+DTSTART;VALUE=DATE:20110602
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ DateTime(2011, 6, 3),
+ "",
+ ),
+ (
+ "2.2 Recurring no master, with VTIMEZONE",
+ """BEGIN:VCALENDAR
+VERSION:2.0
+CALSCALE:GREGORIAN
+PRODID:-//mulberrymail.com//Mulberry v4.0//EN
+BEGIN:VTIMEZONE
+TZID:Etc/GMT+1
+X-LIC-LOCATION:Etc/GMT+1
+BEGIN:STANDARD
+DTSTART:18000101T000000
+RDATE:18000101T000000
+TZNAME:GMT+1
+TZOFFSETFROM:-0100
+TZOFFSETTO:-0100
+END:STANDARD
+END:VTIMEZONE
+BEGIN:VEVENT
+UID:C3184A66-1ED0-11D9-A5E0-000A958A3252
+RECURRENCE-ID;TZID=Etc/GMT+1:20110602T000000
+DTSTART;TZID=Etc/GMT+1:20110602T000000
+DURATION:P1D
+DTSTAMP:20020101T000000Z
+SUMMARY:New Year's Day
+END:VEVENT
+END:VCALENDAR
+""".replace("\n", "\r\n"),
+ DateTime(2011, 6, 3, 1, 0, 0, Timezone(utc=True)),
+ "",
+ ),
+ )
+
+ for title, caldata, rid, result in data:
+ calendar = Calendar.parseText(caldata)
+ master = calendar.deriveComponent(rid)
+ if master is None:
+ master = ""
+ self.assertEqual(str(master), result, "Failed in %s: got %s, expected %s" % (title, master, result))
</ins></span></pre>
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