[py3k] add callable to compat.py

import "callable" where needed.
We can't use collections in python <= 2.5

1 files changed, 8 insertions, 0 deletions

diff --git a/compat.py b/compat.py
index c9c5ff4..c025878 100644
--- a/compat.py
+++ b/compat.py
@@ -31,6 +31,14 @@ from warnings import warn
 import __builtin__
 
 try:
+    callable = callable
+except NameError:# callable removed from py3k
+    import collections
+    def callable(something):
+        return isinstance(something, collections.Callable)
+    del collections
+
+try:
     set = set
     frozenset = frozenset
 except NameError: