# HG changeset patch
# User Paul Boddie <paul@boddie.org.uk>
# Date 1515780673 -3600
# Node ID 564a684025ff99a1ed0adebdc1c4204642c329a2
# Parent  b2af2d6aff53b928899c051136910185e664ad95
Prevent objects constructed for ADD method updates from employing RECURRENCE-ID.

diff -r b2af2d6aff53 -r 564a684025ff imiptools/client.py
--- a/imiptools/client.py	Sat Dec 16 22:44:26 2017 +0100
+++ b/imiptools/client.py	Fri Jan 12 19:11:13 2018 +0100
@@ -859,9 +859,9 @@
 
     # Specific message generation methods.
 
-    def get_rescheduled_objects(self, periods):
+    def get_rescheduled_objects(self, periods, method):
 
-        "Return objects describing rescheduled 'periods'."
+        "Return objects describing rescheduled 'periods' for 'method'."
 
         objects = []
 
@@ -890,12 +890,16 @@
                 if not obj:
                     obj = template.copy()
 
-                    # Acquire the original recurrence identifier associated with
-                    # this period. This may differ where the start of the period
-                    # has changed.
+                    # Added methods do not employ a recurrence identifier.
+
+                    if method != "ADD":
 
-                    dt, attr = p.get_recurrenceid_item()
-                    obj["RECURRENCE-ID"] = [(format_datetime(dt), attr)]
+                        # Acquire the original recurrence identifier associated with
+                        # this period. This may differ where the start of the period
+                        # has changed.
+
+                        dt, attr = p.get_recurrenceid_item()
+                        obj["RECURRENCE-ID"] = [(format_datetime(dt), attr)]
 
                 # Update any sequence number if the period has changed from any
                 # stored version.
@@ -924,7 +928,7 @@
 
         rescheduled_parts = []
 
-        for obj in self.get_rescheduled_objects(periods):
+        for obj in self.get_rescheduled_objects(periods, method):
             rescheduled_parts.append(self.object_to_part(method, obj))
 
         return rescheduled_parts