kafka.util classproperty (#2729)

Author: dpkp

kafka/util.py

@@ -120,3 +120,9 @@ def wrapper(self, *args, **kwargs):
     functools.update_wrapper(wrapper, func)
     return wrapper
 
+
+class classproperty:
+    def __init__(self, f):
+        self.f = f
+    def __get__(self, obj, owner):
+        return self.f(owner)