+#!/usr/bin/python
+
+import sys
+import copy
+import os
+saved_path=copy.copy(sys.path)
+for p in ['','.',os.getcwd()]:
+ try: sys.path.remove(p)
+ except ValueError: pass
+
+import ipaddr
+from ipaddr import IPNetwork, IPAddress
+
+sys.path=saved_path
+
+import ipaddrset
+from ipaddrset import IPAddressSet
+
+v4a=IPAddress('172.18.45.6')
+
+s=IPAddressSet()
+print 's =', s
+s.append([IPNetwork('172.18.45.0/24')])
+s.append([IPNetwork('2001:23:24::/40')])
+print s
+
+t=IPAddressSet(map(IPNetwork,['172.31.80.8/32','172.18.45.192/28']))
+print 't =', t
+print t <= s
+print t == s
+
+for n1s in ['172.18.44.0/23','172.18.45.6/32','172.18.45.0/24']:
+ n1=IPNetwork(n1s)
+ print n1
+ print s.contains(n1)
+ print t.contains(n1)
+
+n=s.networks()[0]
+
+a=ipaddrset.complete_set()
+print 'a =', a
+print a >= s
+print a >= t
+
+print '^'
+print s.intersection(t)
+print t.intersection(s)
+
+print 'u'
+print s.union(t)
+print t.union(s)