#jython IRC Log (v0.9)

Index

IRC Log for 2011-02-16

Timestamps are in GMT/BST.

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[10:41] * choeger_ (~choeger@eurybates.uebb.cs.tu-berlin.de) has joined #jython
[10:42] <choeger_> Hi all, can anybody assist me in solving slow imports from jython?
[10:43] <choeger_> I am running sympy and it takes ~4s only to import it.
[10:44] <agronholm> jython is slow.
[10:45] <choeger_> this might be the case, but importing?
[10:46] <agronholm> importing too.
[10:46] <choeger_> Essentially it should only pick up a $py.class file from the classpath
[10:46] <agronholm> I think it does a bit more than that.
[10:47] <agronholm> but then again I'm not a core developer
[10:47] <choeger_> So what do you think it does more than finding a suitable class?
[10:48] <agronholm> module level initialization
[10:48] <agronholm> it runs the modules
[10:48] <agronholm> like any python interpreter
[10:49] <choeger_> Ah, OK. I did a profile on the import and it does not waste much time in the initial code
[10:49] <choeger_> most is lost somewhere else
[10:49] <agronholm> where then
[10:49] <agronholm> what is "initial code" here
[10:50] <choeger_> well, the function that gets called upon module loading. In case of sympy some logical rules get created etc.
[10:51] <agronholm> I see
[10:51] <agronholm> can you pinpoint the slow part of the import process with a java profiler?
[10:52] <choeger_> unfortunately not, I get a weird bytecode verify exception when running eclipses profiling tools
[10:53] <choeger_> I have already tried to remove everything from sys.path except '__pyclasspath__/'
[10:53] <choeger_> So it's not scanning my hard drive or so..
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[16:26] <choeger_> Is there any known way to save PySystemState?
[16:26] <choeger_> I cannot serialize it
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[23:58] <TheBestJohn> does jython support python 3 and the urllib.request library?

Index

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