# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1509490051 -3600
# Node ID 14b719dc5cbf11f92ad633a1dced29743891896e
# Parent  b4136058710415045a6257c8e5abca186646f760
Added mechanisms for handling calendar object data not encoded as message parts.

diff -r b41360587104 -r 14b719dc5cbf imiptools/content.py
--- a/imiptools/content.py	Tue Oct 31 23:46:20 2017 +0100
+++ b/imiptools/content.py	Tue Oct 31 23:47:31 2017 +0100
@@ -129,32 +129,56 @@
     """
 
     itip = parse_itip_part(part)
+    if itip:
+        handle_calendar_data(itip, handlers)
+
+    return not not itip
+
+def handle_calendar_data(itip, handlers):
+
+    """
+    Handle the calendar data provided by 'itip' using the given 'handlers'
+    dictionary. Responses are set in each handler used to handle a message.
+    Return all handled objects.
+    """
+
     method = itip and get_value(itip, "METHOD")
+    handled = []
 
     for obj in get_objects_from_itip(itip, handlers):
+        handle_calendar_object(obj, handlers, method)
+        handled.append(obj)
 
-        # Get a handler for the given object type.
+    return handled
+
+def handle_calendar_object(obj, handlers, method):
 
-        handler = handlers.get(obj.objtype)
-        if not handler:
-            continue
+    """
+    Handle the calendar data provided by 'obj' using the given 'handlers'
+    dictionary and 'method' information. Responses are set in each handler used
+    to handle a message.
+    """
 
-        # Dispatch to a handler and obtain any response.
-
-        handler.set_object(obj)
-        handler.set_identity(method)
+    # Get a handler for the given object type.
 
-        if handler.is_usable(method):
+    handler = handlers.get(obj.objtype)
+    if not handler:
+        return
 
-            # Perform the method in a critical section.
+    # Dispatch to a handler and obtain any response.
+
+    handler.set_object(obj)
+    handler.set_identity(method)
 
-            handler.acquire_lock()
-            try:
-                methods[method](handler)()
-            finally:
-                handler.release_lock()
+    if handler.is_usable(method):
+
+        # Perform the method in a critical section.
 
-    return not not itip
+        handler.acquire_lock()
+        try:
+            methods[method](handler)()
+        finally:
+            handler.release_lock()
 
 # Handler registry.