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Thu Feb 12 20:56:49 EST 2004 · https://mail.python.org/pipermail/python-dev/2004-February/042552.html

On Thu, Feb 12, 2004, Patrick Stinson wrote:
>
> I am using sip to generate python bindings for my c++ library. sip    
> is also used to generate python bindings for the Qt Gui toolkit. The  
> PyEval_*Thread and PyThreadState_* seem to end up with a NULL tstate  
> parameter at different points of execution when I start instantiating 
> more complicated sip-wrapped widget classes along with my own         
> multi-threaded library. At one point, I moved the thread creation     
> code into python (by causing it to simply call a method in my library 
> to execute the thread), and it helped a bit.                          
>
> I'm obviously not looking for help with sip, but it would be nice     
> to get a general overview of what conditions cause a NULL tstate to   
> be passed to these functions. I've posted a few messages on the sip   
> mailing list about this, but the problem seems a little too biased    
> toward the scope of this list for any of them to answer.              

Actually, this is probably more appropriate for comp.lang.python; that's
where usage questions belong, even usage questions about the API
internals.  If you're sure there's a bug, file a report on SF (with as
minimal a testcase as possible), then report it here.
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"Argue for your limitations, and sure enough they're yours."  --Richard Bach

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[Python-Dev] NULL tstate