[CalendarServer-changes] [5845] CalendarServer/branches/users/wsanchez/deployment/twistedcaldav/ method/put_common.py

[source_changes at macosforge.org]

Revision: 5845
          http://trac.macosforge.org/projects/calendarserver/changeset/5845
Author:   cdaboo at apple.com
Date:     2010-07-06 12:59:58 -0700 (Tue, 06 Jul 2010)
Log Message:
-----------
Avoid pre-condition error for COPY or MOVE.

Modified Paths:
--------------
    CalendarServer/branches/users/wsanchez/deployment/twistedcaldav/method/put_common.py

Modified: CalendarServer/branches/users/wsanchez/deployment/twistedcaldav/method/put_common.py
===================================================================
--- CalendarServer/branches/users/wsanchez/deployment/twistedcaldav/method/put_common.py	2010-07-06 19:15:56 UTC (rev 5844)
+++ CalendarServer/branches/users/wsanchez/deployment/twistedcaldav/method/put_common.py	2010-07-06 19:59:58 UTC (rev 5845)
@@ -463,9 +463,12 @@
             # a race condition where two simultaneous PUTs with If-Match can conflict (i.e. second PUT does
             # not fail even though underlying resource was changed by first PUT). We also need to reload the
             # property cache before we do this as the etag property may have changed.
-            if destination.exists():
-                destination.deadProperties().reloadCache()
-            destination.checkPreconditions(request)
+            #
+            # Currently only care about this on a PUT
+            if source is None:
+                if destination.exists():
+                    destination.deadProperties().reloadCache()
+                destination.checkPreconditions(request)
 
             # uid conflict check - note we do this after reserving the UID to avoid a race condition where two requests
             # try to write the same calendar data to two different resource URIs.
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