-#!/usr/bin/env python
+#!/bin/sh
+"""": # -*-python-*-
+bup_python="$(dirname "$0")/bup-python" || exit $?
+exec "$bup_python" "$0" ${1+"$@"}
+"""
+# end of bup preamble
+
import sys, os, random
+
from bup import options
-from bup.helpers import *
+from bup.helpers import log
def randblock(n):