Using Dozer memory profiler in any python script

dozer-in-thread-demo.py

from wsgiref.simple_server import make_server
from wsgiref.util import setup_testing_defaults
import random
import threading

import dozer

def run_dozer():
    # taken from wsgiref documentation
    def simple_app(environ, start_response):
        setup_testing_defaults(environ)

        status = '200 OK'
        headers = [('Content-type', 'text/plain')]

        start_response(status, headers)

        ret = ["%s: %s\n" % (key, value)
               for key, value in environ.iteritems()]
        return ret
    simple_app = dozer.Dozer(simple_app)
    httpd = make_server('', 8000, simple_app)
    print "Serving on port 8000..."
    httpd.serve_forever()

def start_dozer():
    t = threading.Thread(target=run_dozer)
    # this is important, if you forget this your script won't terminate
    t.daemon = True
    t.start()

def main():
    start_dozer()
    # consume some memory
    while True:
        d = {}
        for i in xrange(10 ** 7):
            d[random.random()] = random.random()

if __name__ == "__main__":
    main()