|
| 1 | +#!/usr/bin/env python |
| 2 | +# -*- coding: iso-8859-1 -*- |
| 3 | + |
| 4 | +""" |
| 5 | +Run a Python script under hotshot's control. |
| 6 | +
|
| 7 | +Adapted from a posting on python-dev by Walter Dörwald |
| 8 | +
|
| 9 | +usage %prog [ %prog args ] filename [ filename args ] |
| 10 | +
|
| 11 | +Any arguments after the filename are used as sys.argv for the filename. |
| 12 | +""" |
| 13 | + |
| 14 | +import sys |
| 15 | +import optparse |
| 16 | +import os |
| 17 | +import hotshot |
| 18 | +import hotshot.stats |
| 19 | + |
| 20 | +PROFILE = "hotshot.prof" |
| 21 | + |
| 22 | +def run_hotshot(filename, profile, args): |
| 23 | + prof = hotshot.Profile(profile) |
| 24 | + sys.path.insert(0, os.path.dirname(filename)) |
| 25 | + sys.argv = [filename] + args |
| 26 | + prof.run("execfile(%r)" % filename) |
| 27 | + prof.close() |
| 28 | + stats = hotshot.stats.load(profile) |
| 29 | + stats.sort_stats("time", "calls") |
| 30 | + |
| 31 | + # print_stats uses unadorned print statements, so the only way |
| 32 | + # to force output to stderr is to reassign sys.stdout temporarily |
| 33 | + save_stdout = sys.stdout |
| 34 | + sys.stdout = sys.stderr |
| 35 | + stats.print_stats() |
| 36 | + sys.stdout = save_stdout |
| 37 | + |
| 38 | + return 0 |
| 39 | + |
| 40 | +def main(args): |
| 41 | + parser = optparse.OptionParser(__doc__) |
| 42 | + parser.add_option("-p", "--profile", action="store", default=PROFILE, |
| 43 | + dest="profile", help='Specify profile file to use') |
| 44 | + (options, args) = parser.parse_args(args) |
| 45 | + |
| 46 | + if len(args) == 0: |
| 47 | + parser.print_help("missing script to execute") |
| 48 | + return 1 |
| 49 | + |
| 50 | + filename = args[0] |
| 51 | + return run_hotshot(filename, options.profile, args[1:]) |
| 52 | + |
| 53 | +if __name__ == "__main__": |
| 54 | + sys.exit(main(sys.argv[1:])) |
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