[mod_python] Profiling mod_python with callables?

Graham Dumpleton graham.dumpleton at gmail.com
Mon Sep 24 01:10:56 EDT 2007


Use:

  return cProfile.runctx('ListObjects()', globals(), locals(),
filename='/tmp/ListObjectProf')

instead.

Graham

On 24/09/2007, Webb Sprague <webb.sprague at gmail.com> wrote:
> (Sorry meant to reply to list.)
>
> Here is the error from http://blah/larry/lc/ListObjectsProfile, minus
> some personal stuff ;)
>
> MOD_PYTHON ERROR
>
> ProcessId:      31202
>
> URI:            '/larry/lc/ListObjectsProfile'
> Location:       None
> PathInfo:       '/ListObjectsProfile'
>
> Phase:          'PythonHandler'
> Handler:        'mod_python.publisher'
>
> Traceback (most recent call last):
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/importer.py",
> line 1537, in HandlerDispatch
>     default=default_handler, arg=req, silent=hlist.silent)
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/importer.py",
> line 1229, in _process_target
>     result = _execute_target(config, req, object, arg)
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/importer.py",
> line 1128, in _execute_target
>     result = object(arg)
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/publisher.py",
> line 213, in handler
>     published = publish_object(req, object)
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/publisher.py",
> line 425, in publish_object
>     return publish_object(req,util.apply_fs_data(object, req.form, req=req))
>
>   File "/usr/lib64/python2.5/site-packages/mod_python/util.py", line
> 554, in apply_fs_data
>     return object(**args)
>
>   File "/var/www/localhost/htdocs/larry/lc.py", line 82, in ListObjectsProfile
>     return cProfile.run('ListObjects', '/tmp/ListObjectProf')
>
>   File "/usr/lib64/python2.5/cProfile.py", line 29, in run
>     prof = prof.run(statement)
>
>   File "/usr/lib64/python2.5/cProfile.py", line 135, in run
>     return self.runctx(cmd, dict, dict)
>
>   File "/usr/lib64/python2.5/cProfile.py", line 140, in runctx
>     exec cmd in globals, locals
>
>   File "<string>", line 1, in <module>
>
> NameError: name 'ListObjects' is not defined
>
>
> On 9/23/07, Graham Dumpleton <graham.dumpleton at gmail.com> wrote:
> > Bouncing this back to list as reply-all not used.
> >
> > In what way does that not actually work?
> >
> > Graham
> >
> > On 24/09/2007, Webb Sprague <webb.sprague at gmail.com> wrote:
> > > Well, Graham, as usual you are an extremely prompt and helpful
> > > correspondent... but is there any way to do something like the
> > > following, which would work per call, giving a regular display and
> > > writing to a log (if it worked at all)? --
> > >
> > >
> > > ListObjects = LcPageObjects.LcList(lcdb=lcdb,
> > >                                    navTemplate=LARRYTEMPLATEDIR +
> > > '/Application.tmpl',
> > >                                    objectListTemplate =
> > > LARRYTEMPLATEDIR + '/ObjectList.tmpl',
> > >                                    title='LAR-E Object List')
> > > def ListObjectsProfile():
> > >     global ListObjects
> > >     return cProfile.run('ListObjects()', '/tmp/ListObjectProf')
> > >
> > > Tx
> > >
> > > On 9/23/07, Graham Dumpleton <graham.dumpleton at gmail.com> wrote:
> > > > Presuming you are actually using mod_python.publisher as the URL
> > > > dispatcher, then  instead of using:
> > > >
> > > >   PythonHandler mod_python.publisher
> > > >
> > > > use:
> > > >
> > > >   PythonHandler mymodule
> > > >
> > > > In your 'mymodule.py' then add:
> > > >
> > > >   from mod_python import publisher
> > > >
> > > >   def handler(req):
> > > >     return publisher.handler(req)
> > > >
> > > > Once you have that working, then you can wrap the call to
> > > > publisher.handler() with what ever you want, including profiling
> > > > tools.
> > > >
> > > > Yes, this will also profile publisher's URL dispatch, but it is the
> > > > easiest place to insert it without having to do a bit of magic.
> > > >
> > > > Graham
> > > >
> > > > On 24/09/2007, Webb Sprague <webb.sprague at gmail.com> wrote:
> > > > > Could anyone help me think about the following problem?
> > > > >
> > > > > I have a handler, call it handler.py, in which I assign callable
> > > > > objects to variables, creating pages through the magic of URL mapping.
> > > > >  For example:
> > > > >
> > > > > class Foo(object):
> > > > >     def __init__(self, title):
> > > > >         self.title = title
> > > > >
> > > > >     def __call__(self, whatever):
> > > > >         print "<title>" + title + "</title>"
> > > > >
> > > > > page1 = Foo('Title 1')
> > > > > page2 = Foo('Title 2')
> > > > >
> > > > > You can thus browse http://blah.com/handler/page1 and
> > > > > http://blah.com/handler/page2
> > > > >
> > > > > I would like to profile everything from this handler page down,
> > > > > preferably with a single command like hotshot.profile_everything(...)
> > > > > near the top of handler.py.
> > > > >
> > > > > Can anyone describe how?
> > > > >
> > > > > Thanks, and let me know if I can submit more information.  I haven't
> > > > > included the code because there is just so much of it...
> > > > > _______________________________________________
> > > > > Mod_python mailing list
> > > > > Mod_python at modpython.org
> > > > > http://mailman.modpython.org/mailman/listinfo/mod_python
> > > > >
> > > >
> > >
> >
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