[pypy-dev] dlopen NotImplementedError

Alex Gaynor alex.gaynor at gmail.com
Wed Dec 22 23:45:03 CET 2010

On Wed, Dec 22, 2010 at 4:41 PM, <exarkun at twistedmatrix.com> wrote:

> On 09:54 pm, alex.gaynor at gmail.com wrote:
> >On Wed, Dec 22, 2010 at 3:52 PM, Gary Robinson <garyrob at me.com> wrote:
> >>Hmm, I'm thinking the dlopen error might be my problem. I think I
> >>built
> >>python at /root/pypy, and then moved it to a more proper location. But
> >>the
> >>error message is referring to /root/pypy, so I'm guessing it has that
> >>location hardcoded because that's where I built it?
> >>
> >>I'm going to rebuild but I wanted to post this message so that you
> >>guys
> >>don't worry about it (unless rebuilding doesn't help).
> >Nope, it's a known thing, anything trying to import ctypes on fast-
> >forward
> >blows up ATM.  If anyone knows what dlopen(None) is supposed to mean,
> >can
> >they let me know and I'll try to take a pass at fixing this?
>  From the dlopen man page:
>  If filename is NULL, then the returned handle is for the main program.
> I imagine that's the case someone is trying to trigger with
> ctypes.LoadLibrary(None) (which is what the name `dlopen` is bound to in
> this context).  On the other hand, maybe it's just a screw up somewhere
> else that causes None to show up instead of the right library name, I
> haven't looked at the code in question much.
> Jean-Paul
> _______________________________________________
> pypy-dev at codespeak.net
> http://codespeak.net/mailman/listinfo/pypy-dev

Ok I see the issue I think.  It's coming from PyDLL(None).  Not sure what
the right solution is there, I know Amaury said he was working on the
cpythonapi stuff.


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"The people's good is the highest law." -- Cicero
"Code can always be simpler than you think, but never as simple as you want"
-- Me
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