Used for timing module execution time. Put in in the site_packages directory and import it at the top of the module

timing.py

import atexit
from time import clock


def seconds_to_str(t):
    return "%d:%02d:%02d.%03d" % \
        reduce(lambda ll, b: divmod(ll[0], b) + ll[1:],
               [(t * 1000,), 1000, 60, 60])

line = "=" * 40


def log(s, elapsed=None):
    print line
    print seconds_to_str(clock()), '-', s
    if elapsed:
        print "Elapsed time:", elapsed
    print line
    print


def endlog():
    end = clock()
    elapsed = end - start
    log("End Program", seconds_to_str(elapsed))


def now():
    return seconds_to_str(clock())

start = clock()
atexit.register(endlog)
log('Start Program')