Merged with upstream and made compatible with Python 2.6 - 3.33.4.0.2

1 files changed, 12 insertions, 0 deletions

diff --git a/singledispatch_helpers.py b/singledispatch_helpers.py
index 2141568..8fcdce4 100644
--- a/singledispatch_helpers.py
+++ b/singledispatch_helpers.py
@@ -8,6 +8,7 @@ from __future__ import unicode_literals
 
 from abc import ABCMeta
 from collections import MutableMapping
+import sys
 try:
     from collections import UserDict
 except ImportError:
@@ -156,3 +157,14 @@ class MappingProxyType(UserDict):
 
 def get_cache_token():
     return ABCMeta._abc_invalidation_counter
+
+
+
+class Support(object):
+    def dummy(self):
+        pass
+
+    def cpython_only(self, func):
+        if 'PyPy' in sys.version:
+            return self.dummy
+        return func