import os
from stat import ST_MTIME
import zipfile
import time

open('sample.txt','w').write('x'*8192)

for i in xrange(10):
    start = time.time()
    print 'Start',time.strftime('%H:%M:%S')
    zip = zipfile.ZipFile('sample.zip','w',zipfile.ZIP_STORED,True)
    zip.write('sample.txt')
    zip.close()
    zip = zipfile.ZipFile('sample.zip','r',zipfile.ZIP_STORED,True)
    info = zip.getinfo('sample.txt')
    print 'ZIP stored mtime:',info.date_time
    print 'Original mtime:',time.localtime(os.stat('sample.txt')[ST_MTIME])[:-3]
    print 'Duration',time.time() - start
    print 'Stop',time.strftime('%H:%M:%S')
    time.sleep(1)
    print '-'*30