#!/usr/bin/python

import rpm
import sys
import os

def memuse():
    for l in file('/proc/self/status').readlines():
        if l.startswith('VmRSS'):
            return int(l.split()[-2])

if __name__ == '__main__':
    ts = rpm.TransactionSet()
    ts.setVSFlags(-1)

    for path in sys.argv[1:]:
        fd = os.open(path, os.O_RDONLY)
        hdr = ts.hdrFromFdno(fd)
        ts.addInstall(hdr, (hdr, path), 'u')
        os.close(fd)
        
    print "Memory used with %d packages in transaction: %d kB" % (len(sys.argv)-1, memuse())