code: def pack(args):
      " Parse file or dir, import css, js code and save with prefix "
      assert op.exists(args.source), "Does not exists: %s" % args.source
      zeta_pack(argsf pack(args):
      " Parse file or dir, import css, js code and save with prefix "
      assert op.exists(args.source), "Does not exists: %s" % args.source
      zeta_pack(args)
docs: Parse file or dir, import css, js code and save with prefix