import cProfile

import itertools

from pyramid.view import view_config

@view_config(route_name='profile_ping')

def ping(request):

    request.response.text = u'pong'

    return request.response

@view_config(route_name='profile_cnx')

def cnx(request):

    request.cw_cnx

    request.response.text = u'pong'

    return request.response

def wsgi_profile(app, filename='program.prof', dump_every=50):

    profile = cProfile.Profile()

    counter = itertools.count(1)

    def application(environ, start_response):

        profile.enable()

        try:

            return app(environ, start_response)

        finally:

            profile.disable()

            if not counter.next() % dump_every:

                print "Dump profile stats to %s" % filename

                profile.create_stats()

                profile.dump_stats(filename)

    return application