[Python.NET] Q2: py.net problems w/python 2.6.2

Mark Tigges mtigges at gmail.com
Tue Jan 26 01:06:06 CET 2010


I might be able to find time to test on windows tomorrow.  Remind me
if you haven't heard.

On Mon, Jan 25, 2010 at 3:39 PM, Hamilton Link <helink at sandia.gov> wrote:
> Could anyone conveniently try python.net with python 2.6.2?  I am seeing two
> fatal problems in my lightly-patched python.net.
>
> I'm using ubuntu 9.04
> python 2.6.2
> python.net 2.0 alpha2 with Borzenkov's suggested PYTHON25 -> PYTHON26
> changes and Feihong Hsu's changes
> mono 2.0.1 (this is the what mono --version says, which I think is packaged
> as distribution 1.9.something?)
>
> For all of this I'm using the python.exe that gets built alongside
> python.net, because ubuntu's python environments are irritatingly built with
> --disable-shared
>
> Here are the problems:
>
> If I try the following:
>>>> import clr
>>>> import System
>>>> STR = System.String('hithere')
>
> I get a fatal error "GCHandle value belongs to a different domain"... this
> is being thrown by the coercion of an IntPtr to a GCHandle, from within the
> coercion operation in ManagedType.GetManagedObject.
>
> If however I try the following:
>>>> import clr
>>>> from System.Drawing import Point
>>>> p = Point(5,5)
>
> then I can
>>>> p.X
> 5
>>>> p.Y
> 5
>>>> p.ToString()
> u'{X=5,Y=5}'
>>>> dir(p)
> ['Add', 'Ceiling', ..., '__class__', ...]
>
> No problem, right? Wrong:
>>>> p.__class__
> dies in the most awful way, dumping all thread stacks and killing mono and
> python.  I get a message saying "Got a SIGSEGV while executing native code.
>  etc."
>
> If anyone has any clues about this, I'd love to hear them.  My current plan
> is to install python 2.5.x as an alternate python, rebuild against that, and
> see if that works, and then perhaps dig into this further.  I might also try
> 2.6.4 since someone on the list recently asserted they had it working with
> that.
>
> thanks,
> hamilton
>
>
>
>
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