#!/usr/bin/python
 import apt
 apt.apt_pkg.config.set("Debug::pkgProblemResolver", "1")
 cache = apt.Cache()
 pkgname="dbus"
 cache[pkgname].mark_delete(auto_fix=False)
 print cache.broken_count
 resolver=apt.cache.ProblemResolver(cache)
 resolver.resolve()
 print cache.broken_count