[Python-Dev] Inspect Patch for IronPython (and Jython?) Compatibility

[Michael Foord]

Guido van Rossum wrote:
> Let's definitely add this to the trunk (2.6). It sounds fine to me as
> a bugfix too, since (from your description) it doesn't change the
> behavior at all in CPython.
Great.

It looks to me like the patch will apply fine against release25-maint.

No behaviour change.

Thanks

Michael Foord


>
> I won't have the time to submit this, but I'm sure there are others 
> here who do.
>
> --Guido
>
> On 6/19/07, Michael Foord <fuzzyman at voidspace.org.uk> wrote:
>> Hello all,
>>
>> I've just submitted a patch on sourceforge to make inspect compatible
>> with IronPython (and Jython I think). This patch originally comes from
>> the IPCE ( http://fepy.sf.net ) project by Seo Sanghyeon. It is a
>> trivial change really.
>>
>> The patch is number 1739696
>> http://sourceforge.net/tracker/index.php?func=detail&aid=1739696&group_id=5470&atid=305470 
>>
>>
>> It moves getting a reference to 'code.co_code' into the body of the loop
>> responsible for inspecting anonymous (tuple) arguments.
>>
>> In IronPython, accessing 'co_code' raises a NotImplementedError -
>> meaning that inspect.get_argspec is broken.
>>
>> This patch means that *except* for functions with anonymous tuple
>> arguments, it will work again on IronPython - whilst maintaining full
>> compatibility with the previous behaviour.
>>
>> Jython has a similar patch to overcome the same issue by the way. See
>> http://jython.svn.sourceforge.net/viewvc/jython?view=rev&revision=3200
>>
>> As it is a bugfix - backporting to 2.5 would be great. Should I generate
>> a separate patch?
>>
>> All the best,
>>
>> Michael Foord
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>
>