fixed some issues with Py3 (some are left)

@@ -24,4 +24,14 @@ except NameError :
     def next (obj) :
     def next (obj) :
         return obj.next()
         return obj.next()
 
 
+try :
+    unicode
+except NameError :
+    unicode = str
+
+try :
+    reduce
+except NameError :
+    from functools import reduce
+
 PY3 = sys.version > "3"
 PY3 = sys.version > "3"

@@ -2044,7 +2044,7 @@ class Place (Node) :
         """Iterate over the tokens in the place, including
         """Iterate over the tokens in the place, including
         repetitions.
         repetitions.
 
 
-        >>> p = Place('p', range(3)*2)
+        >>> p = Place('p', list(range(3))*2)
         >>> list(sorted([tok for tok in p]))
         >>> list(sorted([tok for tok in p]))
         [0, 0, 1, 1, 2, 2]
         [0, 0, 1, 1, 2, 2]
 
 

@@ -5,6 +5,7 @@ from snakes.lang import unparse
 import snakes.utils.abcd.transform as transform
 import snakes.utils.abcd.transform as transform
 from snakes.data import MultiSet
 from snakes.data import MultiSet
 from snakes import *
 from snakes import *
+from snakes.compat import *
 
 
 class Decl (object) :
 class Decl (object) :
     OBJECT = "object"
     OBJECT = "object"