Re: [pygccxml-development] Exceptions and Multi-Module Development

[Roman Y. <rom...@gm...>]

On Tue, Mar 8, 2011 at 6:30 AM, Scott Sturdivant <sc...@bi...> wrote:
> Hi Roman,

Good morning.

> Thanks, I was not aware about the dlopen flags.  Still not entirely sure
> what they do, but preliminary investigation indicates that they solve the
> problem.
> Indeed, I was planning to create my __init__.py and file structure layout
> such that this would be a common exception handler that my other extensions
> could put into their init files something along the lines of "from
> MyPkg.common import myexceptions".  What I had provided as the example was
> just a small 'quick and dirty' way to demonstrate the problem.
> I am curious as to why I need the flags on one machine but not the other,
> but like you say, gcc is certainly different (one is a modern, up to date
> linux distribution, the other is an antiquated red hat enterprise 5 box).

Boost.Python contains registry of classes (more-or-less), in case of
multi-module development there should be only 1 instance of it,
otherwise the conversion will not work. The flags, you used for
dlopen( the function which is called by Python t load shared library
), makes this happen.

> Thank you for your help!  So far it's looking good.

You are welcome.