Merge lp:~timfreund/python-snippets/calendar-snippets into lp:~jonobacon/python-snippets/trunk

[Tim Freund]

Two snippets: one reads an iCal calendar from the network and iterates through the events, and the other takes an iCal VEVENT and adds it to the user's Evolution calendar.

Unmerged revisions

101. By Tim Freund on 2010-05-23

Create an event in the local user's Evolution calendar

100. By Tim Freund on 2010-05-23

Read an iCal calendar and iterate through the events.

=== modified file 'CATEGORIES'
--- CATEGORIES	2010-04-24 18:34:32 +0000
+++ CATEGORIES	2010-05-23 19:45:36 +0000
@@ -15,6 +15,7 @@
     Application Indicator   Application indicator examples.
     bzrlib                  Bazaar source control system Python module.
     Cairo		            Cairo drawing examples
+    calendar                Calendar examples
     Clutter                 Clutter toolkit examples.
     csv                     csv Python module, reading and writing CSV files
     dbus        	    dbus messaging system
 
=== added directory 'calendar'
=== added file 'calendar/createevent.py'
--- calendar/createevent.py	1970-01-01 00:00:00 +0000
+++ calendar/createevent.py	2010-05-23 19:45:36 +0000
@@ -0,0 +1,47 @@
+#!/usr/bin/env python
+#
+# [SNIPPET_NAME: Create a Calendar Event]
+# [SNIPPET_CATEGORIES: calendar]
+# [SNIPPET_DESCRIPTION: Create a Calendar Event in your local Evolution calendar]
+# [SNIPPET_AUTHOR: Tim Freund <[e-mail]>]
+# [SNIPPET_LICENSE: MIT]
+
+
+
+try:
+    from evolution import ecal
+except ImportError:
+    print """The python-evolution package is not installed.
+On Ubuntu?  Run the following: 'sudo apt-get install python-evolution'"""
+
+# Find the user's 'Personal' calendar
+for cal_meta in ecal.list_calendars():
+    # cal_meta[0] is the calendar name
+    # cal_meta[1] is the calendar url
+    if cal_meta[0] == 'Personal':
+        print "Opening %s" % cal_meta[1]
+        calendar = ecal.open_calendar_source(cal_meta[1], ecal.CAL_SOURCE_TYPE_EVENT)
+
+# Get an ical VEVENT string.  See the 'Read an iCal calendar' snippet
+# for an example of downloading an iCal calendar from the network.
+ical_string = """BEGIN:VEVENT
+UID:[e-mail]
+DTSTART:20100521T140000Z
+DTEND:20100521T150000Z
+CLASS:PUBLIC
+CREATED:20100523T185147Z
+DESCRIPTION:Discussing the status of the Acire calendar snippets.
+DTSTAMP:20100523T190209Z
+LAST-MODIFIED:20100523T185636Z
+LOCATION:14 West 10 Street\, Kansas City\, MO 64105
+SEQUENCE:4
+STATUS:CONFIRMED
+SUMMARY:Status Meeting
+TRANSP:OPAQUE
+END:VEVENT
+"""
+
+event = ecal.ECalComponent(ecal.CAL_COMPONENT_EVENT, ical_string)
+# events added will show up immediately in the Evolution UI
+calendar.add_object(event)
+
 
=== added file 'calendar/readical.py'
--- calendar/readical.py	1970-01-01 00:00:00 +0000
+++ calendar/readical.py	2010-05-23 19:45:36 +0000
@@ -0,0 +1,32 @@
+#!/usr/bin/env python
+#
+# [SNIPPET_NAME: Read an iCal calendar]
+# [SNIPPET_CATEGORIES: calendar]
+# [SNIPPET_DESCRIPTION: Read an iCal calendar with python-vobject]
+# [SNIPPET_AUTHOR: Tim Freund <[e-mail]>]
+# [SNIPPET_LICENSE: MIT]
+
+try:
+    import vobject
+except ImportError:
+    print """The vobject package is not installed.
+On Ubuntu?  Run the following: 'sudo apt-get install python-vobject'
+Other users can find the package here: http://vobject.skyhouseconsulting.com/"""
+
+# First we need the ical document.  We will use urllib2 to download
+# one from the net.
+from urllib2 import urlopen
+ical_string = urlopen('http://tim.freunds.net/media/files/python-snippets/acire.ical').read()
+
+# create a vcalendar object from the ical string:
+calendar = vobject.readOne(ical_string)
+
+# print event details for each event in the calendar
+for vevent in calendar.vevent_list:
+    print "Event: %s" % vevent.summary.value
+    print "\tLocated at: %s" % vevent.location.value
+    print "\tStart time: %s" % vevent.dtstart.value.strftime("%Y-%m-%d %H:%M")
+    print "\tEnd time: %s" % vevent.dtend.value.strftime("%Y-%m-%d %H:%M")
+
+    # ical vevent formatted strings can be retrieved by calling the serialize method:
+    # print vevent.serialize()