delay="00:01:30"
import os
def get_sec(time_str):
    """Get Seconds from time."""
    h, m, s = time_str.split(':')
    return int(h) * 3600 + int(m) * 60 + int(s)
seconds=get_sec(delay)
#print seconds
try :
    print os.popen("shutdown -r -t %s"%seconds).read()
    print "The system will restart in %sq"%seconds
except Exception as E:
    print E