unpostmap.py

#! /usr/bin/env python
# Unpostmap - reverse postmap'ed data
import os,sys,datetime

try:
    import bsddb
    hashed = bsddb.hashopen(sys.argv[1], 'r')
    print "# hashed by unpostmap (%s)"%sys.argv[1]
    for key in hashed:
        print "%s %s" % (key, hashed[key])
except KeyError:
    print "Usage: %s virtual.db" % sys.argv[0]
except ImportError:
    print "Couldn't load BDB interface - This won't work on Python >3."
    print "If you're running debuntu: aptitude install python-bsddb3"