In article <[EMAIL PROTECTED]>,
"leo" <[EMAIL PROTECTED]> wrote:
> Hello all -
>
> I was wondering about the performance implications of explicitly
> raising exceptions to get information about the current frame.
> Something like what the inspect module does, with:
Python uses exceptions internally, using StopIteration to terminate the
iterator in a for: loop.
> ---
> def currentframe():
> """Return the frame object for the caller's stack frame."""
> try:
> raise 'catch me'
> except:
> return sys.exc_traceback.tb_frame.f_back
> ---
This also does a traceback; you might want to measure the cost of that.
> I come from a java background, where Exceptions are a big Avoid Me, but
> are the performance implications the same in Python? We're expecting a
> big load on our app (100,000 users/hour) , so we'd like to be as tuned
> as possible.
Switching to Python, eh? Remember to measure, measure, measure!
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TonyN.:' [EMAIL PROTECTED]
' <http://www.georgeanelson.com/>
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