# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1445708743 -7200
# Node ID a6b95075ee829d5346d2f47dad7b5856c7486ba9
# Parent  d8cc0e7eed7626eb6af4a754e546ea8d88a16f9c
Fixed sending attendee detection to actually recognise normal senders.

diff -r d8cc0e7eed76 -r a6b95075ee82 imiptools/client.py
--- a/imiptools/client.py	Sat Oct 24 19:44:20 2015 +0200
+++ b/imiptools/client.py	Sat Oct 24 19:45:43 2015 +0200
@@ -222,10 +222,15 @@
 
         "Return the attendee who sent the current object."
 
-        calendar_uri = get_uri(self.messenger.sender)
+        # Search for the sender of the message or the calendar system address.
+
+        senders = self.senders or [self.messenger.sender]
+
         for attendee, attendee_attr in uri_items(self.obj.get_items("ATTENDEE")):
-            if attendee_attr.get("SENT-BY") == calendar_uri:
+            if get_address(attendee) in senders or \
+               get_address(attendee_attr.get("SENT-BY")) in senders:
                 return get_uri(attendee)
+
         return None
 
     def get_periods(self, obj):