[Twisted-Python] domish.Element.__getattr__() or xpath.XPathQuery
Gabriel Rossetti
gabriel.rossetti at arimaz.com
Mon Feb 8 00:26:43 MST 2010
exarkun at twistedmatrix.com wrote:
> On 4 Feb, 10:48 am, gabriel.rossetti at arimaz.com wrote:
>
>> Hello everyone,
>>
>> I was wondering what you would recommend, accessing nodes via
>> domish.Element.__getattr__()
>> (e.g. el.node1.node1_1, where el is /msg) or via xpath.XPathQuery()
>> (e.g. xpath.XPathQuery("/msg/node1/node1_1").queryForNodes(el)[0])?
>>
>> I was wondering which would be faster, the __getattr__() is O(n) (in my
>> example there are 2 calls) but what about xpath.XPathQuery()?
>>
>
> I don't think you'll find the xpath API to be much more optimized. I
> haven't used XMPP much, but considering the xpath implementation is
> incomplete (and afaik there's little documentation about what subset is
> supported), I'd stick with the simpler (if still terrible)
> Element.__getattr__.
>
> Jean-Paul
>
>
Ok, thank you. Just a question, would it be interesting to anyone to be
able
to choose in between the internal XPATH implementation and an external
lib/implementation for the XMPP stuff? I have often wondered if it would
not be better to allow the user to choose.
Gabriel
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