add: initial AI support

lib/DNS/lazy.py

@@ -0,0 +1,51 @@
+# $Id: lazy.py,v 1.5.2.1 2007/05/22 20:23:38 customdesigned Exp $
+#
+# This file is part of the pydns project.
+# Homepage: http://pydns.sourceforge.net
+#
+# This code is covered by the standard Python License.
+#
+
+# routines for lazy people.
+import Base
+import string
+
+def revlookup(name):
+	"convenience routine for doing a reverse lookup of an address"
+	if Base.defaults['server'] == []: Base.DiscoverNameServers()
+	a = string.split(name, '.')
+	a.reverse()
+	b = string.join(a, '.')+'.in-addr.arpa'
+	# this will only return one of any records returned.
+	return Base.DnsRequest(b, qtype = 'ptr').req().answers[0]['data']
+
+def mxlookup(name):
+	"""
+	convenience routine for doing an MX lookup of a name. returns a
+	sorted list of (preference, mail exchanger) records
+	"""
+	if Base.defaults['server'] == []: Base.DiscoverNameServers()
+	a = Base.DnsRequest(name, qtype = 'mx').req().answers
+	l = map(lambda x:x['data'], a)
+	l.sort()
+	return l
+
+#
+# $Log: lazy.py,v $
+# Revision 1.5.2.1  2007/05/22 20:23:38  customdesigned
+# Lazy call to DiscoverNameServers
+#
+# Revision 1.5  2002/05/06 06:14:38  anthonybaxter
+# reformat, move import to top of file.
+#
+# Revision 1.4  2002/03/19 12:41:33  anthonybaxter
+# tabnannied and reindented everything. 4 space indent, no tabs.
+# yay.
+#
+# Revision 1.3  2001/08/09 09:08:55  anthonybaxter
+# added identifying header to top of each file
+#
+# Revision 1.2  2001/07/19 06:57:07  anthony
+# cvs keywords added
+#
+#