# HG changeset patch
# User hodgestar
# Date 1392576200 0
# Node ID 500573200533496cdfc11fdb6f3a45345c7b59cb
# Parent  323d592690dac9892ef74f42c94d5cc0aedb10a6
Add isstring helper.

diff --git a/genshi/compat.py b/genshi/compat.py
--- a/genshi/compat.py
+++ b/genshi/compat.py
@@ -35,6 +35,15 @@
                 'Python 2 compatibility function. Not usable in Python 3.')
 
 
+# We need to test if an object is an instance of a string type in places
+
+if IS_PYTHON2:
+    def isstring(obj):
+        return isinstance(obj, basestring)
+else:
+    def isstring(obj):
+        return isinstance(obj, str)
+
 # We need to differentiate between StringIO and BytesIO in places
 
 if IS_PYTHON2:
@@ -112,4 +121,3 @@
             if not x:
                 return False
         return True
-