diff hglib/util.py @ 149:958307b30af3

hglib: add a __bool__ method where __nonzero__ is defined (issue4520)

Python 3 uses the __bool__ magic method for determining the boolean
value of an object instead of __nonzero__.

--- a/hglib/util.py	Fri Mar 13 14:46:13 2015 -0400
+++ b/hglib/util.py	Mon Mar 16 17:59:27 2015 -0400
@@ -149,6 +149,9 @@
         """ Returns True if the return code was 0, False otherwise """
         return self.ret == 0
 
+    def __bool__(self):
+        return self.__nonzero__()
+
 class propertycache(object):
     """
     Decorator that remembers the return value of a function call.