# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1422817064 -3600
# Node ID bb42d525c718237dfda08c0a22ec57b162bc0ff9
# Parent  47614e827d8f87c2ead2b901599981052a7455ce
Handle free/busy messages without valid sender information.

diff -r 47614e827d8f -r bb42d525c718 imiptools/handlers/person.py
--- a/imiptools/handlers/person.py	Sun Feb 01 19:32:58 2015 +0100
+++ b/imiptools/handlers/person.py	Sun Feb 01 19:57:44 2015 +0100
@@ -105,6 +105,11 @@
 
         "Record free/busy information for the received information."
 
+        senders = self.obj.get_items(from_organiser and "ORGANIZER" or "ATTENDEE")
+
+        if not senders:
+            return
+
         freebusy = []
 
         for value in self.obj.get_values("FREEBUSY") or []:
@@ -117,7 +122,7 @@
                 except ValueError:
                     pass
 
-        for sender, sender_attr in uri_items(self.obj.get_items(from_organiser and "ORGANIZER" or "ATTENDEE")):
+        for sender, sender_attr in uri_items(senders):
             self.store.set_freebusy_for_other(get_uri(self.recipient), freebusy, sender)
 
 class Event(PersonHandler):