On Mar 30, 5:26 am, "Milan Andric" <[EMAIL PROTECTED]> wrote:
> On Mar 28, 6:26 pm, Malcolm Tredinnick <[EMAIL PROTECTED]>
> wrote:
>
>
>
> > On Wed, 2007-03-28 at 19:59 +0000, Milan Andric wrote:
> > > Hellow,
>
> > > Any advice you can offer on optimizing this view would be greatly
> > > appreciated.
>
> > >http://dpaste.com/7543/
>
> > > I was planning on trying to reduce the amount of data in pForms, the
> > > list that is passed to the template. Since i'm saving 19
> > > presentations into this list along with the forms, i'm assuming this
> > > is the bottleneck. Any ideas how to work around this?
>
> > Don't assume... test! You can put calls to time.time() in various places
> > in the view and then print out the differences between them to a file or
> > to stderr (or even stdout if you are using the development server). That
> > will show you which portions are taking the longest. With a few
> > iterations, moving the time.time() calls around, you should be able to
> > work out the exact lines that are taking the most time.
>
> > Then come back and we can talk.
>
> > You might discover, for example, that it's not the view that is taking
> > all the time, but the template rendering for some reason (such as making
> > a lot of database calls by constructing querysets whilst rendering the
> > template).
>
> Hi Malcolm,
>
> Thanks for your response. I'm failing at getting any debug
> information out of the production (apache2/mod_python) environment. I
> tried using print and sys.stderr.write but the logs show no signs of
> it. So there might be something broken there. Will get to that
> later.
Under mod_python, you must explicitly call flush() on sys.stderr to
have anything appear in Apache logs promptly. Ie.,
print >> sys.stderr, "Hi there!"
sys.stderr.flush()
If you know you are running under mod_python, you may be better off
using:
from mod_python import apache
apache.log_error("Hi there!")
Graham
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