Avoid empty object name in COPY/MOVE destination.

Fixes #1683

diff --git a/pithos/api/util.py b/pithos/api/util.py
index ccc83ec..089b004 100644 (file)
--- a/pithos/api/util.py
+++ b/pithos/api/util.py
@@ -288,7 +288,7 @@ def split_container_object_string(s):
         raise ValueError
     s = s[1:]
     pos = s.find('/')
-    if pos == -1:
+    if pos == -1 or pos == len(s) - 1:
         raise ValueError
     return s[:pos], s[(pos + 1):]