Tic-toc timer in Python

timer.py

import time


class Timer(object):
    """ A quick tic-toc timer
    
    Credit: http://stackoverflow.com/questions/5849800/tic-toc-functions-analog-in-python
    """

    def __init__(self, name=None, verbose=True):
        self.name = name
        self.verbose = verbose
        self.elapsed = None

    def __enter__(self):
        self.tstart = time.time()
        return self

    def __exit__(self, type, value, traceback):
        self.elapsed = time.time() - self.tstart
        if self.verbose:
            if self.name:
                print '[%s]' % self.name,
            print 'Elapsed: %s' % (self.elapsed)


def usage1():
    print 'Verbose mode'
    with Timer('Usage 1'):
        # do stuff
        for _ in range(1000000):
            pass


def usage2():
    print 'Non-verbose mode, post-mortem access'
    t = 0
    with Timer(verbose=False) as timer:
        for _ in range(1000000):
            pass
    t += timer.elapsed
    print 'After everything, t =', t


if __name__ == '__main__':
    usage1()
    usage2()