From eb0446604ac67d8f861cf08ed673f93a0b073a04 Mon Sep 17 00:00:00 2001
From: Michael Elkins <melkins@tislabs.com>
Date: Fri, 16 Jul 2010 22:59:26 +0000
Subject: improved support for viewing unallocated address ranges in the
 dashboard and prefix views

svn path=/portal-gui/Makefile.in; revision=3415
---
 portal-gui/rpkigui/myrpki/misc.py | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'portal-gui/rpkigui/myrpki/misc.py')

diff --git a/portal-gui/rpkigui/myrpki/misc.py b/portal-gui/rpkigui/myrpki/misc.py
index 16954d87..5d3cba93 100644
--- a/portal-gui/rpkigui/myrpki/misc.py
+++ b/portal-gui/rpkigui/myrpki/misc.py
@@ -38,4 +38,10 @@ def parse_resource_range(s):
     except ValueError:
         return rpki.resource_set.resource_range_ipv6.parse_str(s)
 
+def top_parent(prefix):
+    '''Returns the topmost resource from which the specified argument derives'''
+    while prefix.parent:
+        prefix = prefix.parent
+    return prefix
+
 # vim:sw=4 ts=8 expandtab
-- 
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