Retro-fit onto 2.3 and 2.4 again.

1 files changed, 16 insertions, 0 deletions

diff --git a/coverage/backward.py b/coverage/backward.py
index 6347501a..2c015af2 100644
--- a/coverage/backward.py
+++ b/coverage/backward.py
@@ -24,6 +24,22 @@ except NameError:
         lst.sort()
         return lst
 
+# rpartition is new in 2.5
+try:
+    "".rpartition
+except AttributeError:
+    def rpartition(s, sep):
+        """Implement s.rpartition(sep) for old Pythons."""
+        i = s.rfind(sep)
+        if i == -1:
+            return ('', '', s)
+        else:
+            return (s[:i], sep, s[i+len(sep):])
+else:
+    def rpartition(s, sep):
+        """A common interface for new Pythons."""
+        return s.rpartition(sep)
+
 # Pythons 2 and 3 differ on where to get StringIO
 try:
     from cStringIO import StringIO