Decorators for profiling/timing/tracing individual functions
Project description
profilehooks
It’s a collection of decorators for profiling functions. E.g. to profile a single function:
from profilehooks import profile
@profile
def my_function(args, etc):
pass
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):
pass
Finally, you may be interested in seeing line coverage for a single function
from profilehooks import coverage
@coverage
def my_function(args, etc):
pass
Also functions can be available in Python console or module if run it with -m arg
$ python -m profilehooks >>> profile <function profile at 0x1005c6488> $ python -m profilehooks yourmodule
Full documentation is available through pydoc profilehooks after installation.
The home page for this module is http://mg.pov.lt/profilehooks. It has screensho, uh, that is, more examples.
Changelog
1.8.1 (2015-11-21)
Include PID in temporary filenames: https://github.com/mgedmin/profilehooks/issues/6.
Claim Python 3.5 compatibility.
1.8.0 (2015-03-25)
New option: @profile(stdout=False) to suppress output to sys.stdout.
1.7.1 (2014-12-02)
Make @profile(profiler='hotshot') work again. This was probably broken in 1.0 or 1.1, but nobody complained.
Fix missing space in the output of @profile(skip=N).
Make @coverage_with_hotshot output match @coverage output precisely.
100% test coverage.
Claim Python 3.4 and PyPy compatibility.
1.7 (2013-10-16)
Explicitly claim Python 3.3 compatibility.
Fix Python 3.x bug with @coverage (stop using sys.maxint): https://github.com/mgedmin/profilehooks/issues/2.
1.6 (2012-06-05)
Added Python 3.2 compatibility, dropped Python 2.3, 2.4 and 2.5 compatibility.
Migrated the source repository to https://github.com/mgedmin/profilehooks
Added a changelog.
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 setup.py 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: http://mg.pov.lt/blog/profiling.html
@profile and @coverage decorators that didn’t accept any arguments.
hotshot was the only profiler supported for @profile, while @coverage used trace.py
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