# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1423422467 -3600
# Node ID 0583da64fbdabb801a95ef69ec59643ab9f1ac6c
# Parent  2d99e19c0cc3a33de2cb027bdc6f71e7b643be83
Handle missing end datetimes when editing events.

diff -r 2d99e19c0cc3 -r 0583da64fbda imip_manager.py
--- a/imip_manager.py	Sun Feb 08 20:06:37 2015 +0100
+++ b/imip_manager.py	Sun Feb 08 20:07:47 2015 +0100
@@ -692,7 +692,7 @@
         else:
             dtstart, dtstart_attr = obj.get_datetime_item("DTSTART")
 
-        dtend, dtend_attr = None, None
+        dtend, dtend_attr = None, {}
 
         if args.get("dtend-control", [None])[0] == "enable":
             t = self.handle_date_controls("dtend")
@@ -707,7 +707,7 @@
         if dtend and not isinstance(dtend, datetime):
             dtend -= timedelta(1)
 
-        if isinstance(dtend, datetime) or dtstart != dtend:
+        if dtend and (isinstance(dtend, datetime) or dtstart != dtend):
             page.input(name="dtend-control", type="radio", value="enable", id="dtend-enable", checked="checked")
             page.input(name="dtend-control", type="radio", value="disable", id="dtend-disable")
         else:
@@ -738,8 +738,8 @@
                 if name == "DTSTART":
                     dt, attr, event_tzid = dtstart, dtstart_attr, dtstart_attr.get("TZID", tzid)
                 else:
-                    dt, attr, event_tzid = dtend, dtend_attr, dtend_attr.get("TZID", tzid)
-                    
+                    dt, attr, event_tzid = dtend or dtstart, dtend_attr or dtstart_attr, (dtend_attr or dtstart_attr).get("TZID", tzid)
+
                 strvalue = self.format_datetime(dt, "full")
                 value = format_datetime(dt)