+ add masked() to _BaseNet to automatically mask out

   the host bits of a network object. issue58.
   Reported by Robert Thomson.

git-svn-id: https://ipaddr-py.googlecode.com/svn/trunk@166 09200d28-7f98-11dd-ad27-0f66e57d2035

1 files changed, 5 insertions, 0 deletions

diff --git a/ipaddr.py b/ipaddr.py
index f7c7d2c..5f3a15b 100644
--- a/ipaddr.py
+++ b/ipaddr.py
@@ -903,6 +903,11 @@ class _BaseNet(_IPAddrBase):
 
             yield current
 
+    def masked(self):
+        """Return the network object with the host bits masked out."""
+        return IPNetwork('%s/%d' % (self.network, self._prefixlen),
+                         version=self._version)
+            
     def subnet(self, prefixlen_diff=1, new_prefix=None):
         """Return a list of subnets, rather than an interator."""
         return list(self.iter_subnets(prefixlen_diff, new_prefix))