#11198: Forms URLfield regex takes infinite to validate a long field
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Reporter: marcob | Owner: nobody
Status: closed | Milestone:
Component: Uncategorized | Version: SVN
Resolution: worksforme | Keywords:
Stage: Unreviewed | Has_patch: 0
Needs_docs: 0 | Needs_tests: 0
Needs_better_patch: 0 |
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Changes (by Alex):
* status: new => closed
* needs_better_patch: => 0
* resolution: => worksforme
* needs_tests: => 0
* needs_docs: => 0
Comment:
I'm unable to reproduce:
{{{
>>> %time url_re.search("http:///asdasdas.asdsa.sadasdsa";)
CPU times: user 0.00 s, sys: 0.00 s, total: 0.00 s
Wall time: 0.00 s
>>> %timeit url_re.search("http:///asdasdas.asdsa.sadasdsa";)
1000000 loops, best of 3: 1.54 µs per loop
>>> %timeit
url_re.search("http:///asdasdas.asdsa.sadasdsa.adssadsa.dsadsadsadsa.sadsa";)
100000 loops, best of 3: 2.18 µs per loop
>>> %timeit
url_re.search("http:///asdasdas.asdsa.sadasdsa.adssadsa.dsadsadsadsa.sadsa.dsadffgdsaf.fdsafadsfwq.fdsafdsafas";)
100000 loops, best of 3: 2.93 µs per loop
>>> %timeit
url_re.search("http:///asdasdas.asdsa.sadasdsa.adssadsa.dsadsadsadsa.sadsa.dsadffgdsaf.fdsafadsfwq.fdsafdsafas.fdafdsafdafdsa.fdsafdsafsafdsafsa.gwretewfewqfewqewfdsfdaf";)
100000 loops, best of 3: 4.04 µs per loop
}}}
In any event this wouldn't be a django bug, it would be one with the
python reguar expression parser/bytecode interpreter.
--
Ticket URL: <http://code.djangoproject.com/ticket/11198#comment:1>
Django <http://code.djangoproject.com/>
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