Added SXP pretty-printer.

Signed-off-by: Ewan Mellor <ewan@xensource.com>

tools/misc/sxp-pretty

@@ -0,0 +1,45 @@
+#!/usr/bin/env python
+#  -*- mode: python; -*-
+#============================================================================
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of version 2.1 of the GNU Lesser General Public
+# License as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+#============================================================================
+# Copyright (c) 2007 XenSource Inc.
+#============================================================================
+
+
+import commands
+import os.path
+import pprint
+import sys
+
+result = commands.getstatusoutput(os.path.join(os.path.dirname(sys.argv[0]),
+                                               'xen-python-path'))
+if result[0] != 0:
+    print >>sys.stderr, result[1]
+    sys.exit(1)
+
+sys.path.append(result[1])
+
+import xen.xend.sxp as sxp
+
+def main():
+    if len(sys.argv) == 1 or sys.argv[1] in ['', '-']:
+        s = sxp.parse(sys.stdin)
+    else:
+        s = sxp.parse(open(sys.argv[1]))
+
+    pprint.pprint(s)
+
+if __name__ == '__main__':
+    sys.exit(main())