Provided a patch on the tracker: http://bugs.python.org/issue9285
Further comments can be submitted there, if any. --- Giampaolo http://code.google.com/p/pyftpdlib http://code.google.com/p/psutil 2010/7/15 Giampaolo Rodolà <g.rod...@gmail.com>: > 2010/7/15 Brian Curtin <brian.cur...@gmail.com>: >> On Thu, Jul 15, 2010 at 13:45, Giampaolo Rodolà <g.rod...@gmail.com> wrote: >>> >>> Today I was looking for a quick and dirty way to profile a method of a >>> class. >>> I was thinking that cProfile module had a decorator for this but I was >>> wrong so I decided to write one based on hotshot. >>> Would it be worth for inclusion? >> >> Since hotshot is gone in 3.x, I'd guess the chances are probably slim. >> _______________________________________________ >> Python-Dev mailing list >> Python-Dev@python.org >> http://mail.python.org/mailman/listinfo/python-dev >> Unsubscribe: >> http://mail.python.org/mailman/options/python-dev/g.rodola%40gmail.com >> >> > > > Here's one using cProfile instead. > I was using hotshot because I wasn't aware of cProfile.Profile.runcall > which is currently not documented (I'm going to file a bug report). > > > def profile(sort='cumulative', lines=30, strip_dirs=True): > """A decorator which profiles a callable. > > Example usage: > > >>> @profile() > ... def factorial(n): > ... n = abs(int(n)) > ... if n < 1: > ... n = 1 > ... x = 1 > ... for i in range(1, n+1): > ... x = i * x > ... return x > ... > >>> factorial(5) > Thu Jul 15 20:58:21 2010 /tmp/tmpIDejr5 > > 4 function calls in 0.000 CPU seconds > > Ordered by: internal time, call count > > ncalls tottime percall cumtime percall filename:lineno(function) > 1 0.000 0.000 0.000 0.000 profiler.py:120(factorial) > 1 0.000 0.000 0.000 0.000 {range} > 1 0.000 0.000 0.000 0.000 {abs} > 1 0.000 0.000 0.000 0.000 {method 'disable' of > '_lsprof.Profiler' objects} > > 120 > """ > def outer(fun): > def inner(*args, **kwargs): > file = tempfile.NamedTemporaryFile() > prof = cProfile.Profile() > try: > ret = prof.runcall(fun, *args, **kwargs) > except: > file.close() > raise > > prof.dump_stats(file.name) > stats = pstats.Stats(file.name) > if strip_dirs: > stats.strip_dirs() > if isinstance(sort, tuple): > stats.sort_stats(*sort) > else: > stats.sort_stats(sort) > stats.print_stats(lines) > > file.close() > return ret > return inner > > return outer > > > --- Giampaolo > http://code.google.com/p/pyftpdlib > http://code.google.com/p/psutil > _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
