#!/usr/bin/env python

# -*- coding: iso-8859-1 -*-

"""

Run a Python script under hotshot's control.

Adapted from a posting on python-dev by Walter Dörwald

usage %prog [ %prog args ] filename [ filename args ]

Any arguments after the filename are used as sys.argv for the filename.

"""

import sys

import optparse

import os

import hotshot

import hotshot.stats

PROFILE = "hotshot.prof"

def run_hotshot(filename, profile, args):

    prof = hotshot.Profile(profile)

    sys.path.insert(0, os.path.dirname(filename))

    sys.argv = [filename] + args

    prof.run("execfile(%r)" % filename)

    prof.close()

    stats = hotshot.stats.load(profile)

    stats.sort_stats("time", "calls")

    # print_stats uses unadorned print statements, so the only way

    # to force output to stderr is to reassign sys.stdout temporarily

    save_stdout = sys.stdout

    sys.stdout = sys.stderr

    stats.print_stats()

    sys.stdout = save_stdout

    return 0

def main(args):

    parser = optparse.OptionParser(__doc__)

    parser.disable_interspersed_args()

    parser.add_option("-p", "--profile", action="store", default=PROFILE,

                      dest="profile", help='Specify profile file to use')

    (options, args) = parser.parse_args(args)

    if len(args) == 0:

        parser.print_help("missing script to execute")

        return 1

    filename = args[0]

    return run_hotshot(filename, options.profile, args[1:])

if __name__ == "__main__":

    sys.exit(main(sys.argv[1:]))