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Decorators for profiling/timing/tracing individual functions

Project description


It’s a collection of decorators for profiling functions. E.g. to profile a single function:

from profilehooks import profile

def my_function(args, etc):

The results will be printed when the program exits (or you can use @profile(immediate=True)).

If you’re interested in coarse timings and don’t want to pay for the overhead of profiling, use

from profilehooks import timecall

@timecall       # or @timecall(immediate=True)
def my_function(args, etc):

Finally, you may be interested in seeing line coverage for a single function

from profilehooks import coverage

def my_function(args, etc):

Full documentation is available through pydoc profilehooks after installation.

The home page for this module is It has screensho, uh, that is, more examples.


1.6 (2012-06-05)

1.5 (2010-08-13)

  • New argument to @timecall: timer (defaults to time.time). Example: @timecall(timer=time.clock)

  • Better documentation.

1.4 (2009-03-31)

  • Added support for cProfile, make it the default profiler when available. Previously profilehooks supported profile and hotshot only.

1.3 (2008-06-10)

  • Store profile results (when you pass filename to @profile) in pstats format instead of pickles. Contributed by Florian Schulze.

1.2 (2008-03-07)

  • New argument to: @timecall: immediate (defaults to False).

  • Added a test suite.

1.1 (2007-11-07)

  • First release to PyPI, with a and everything.

  • New arguments to @profile: dirs, sort, entries. Contributed by Hanno Schlichting.

  • Preserve function attributes such as __doc__ and __module__ when decorating them.

  • Pydoc-friendly docstring wrapping and other docstring improvements.

1.0 (2006-12-06)

  • Changed licence from GPL to MIT.

  • New decorator: @timecall

  • New arguments to @profile: skip, filename, immediate.

  • Added support for profile, after becoming convinced hotshot was unreliable. Made it the default profiler.

0.1 (2004-12-30)

  • First public release (it didn’t actually have a version number), announced on my blog:

  • @profile and @coverage decorators that didn’t accept any arguments.

  • hotshot was the only profiler supported for @profile, while @coverage used

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