Re: [Boost-users] Problems with Boost::Python Embedding Tutorials

From: David Abrahams (dave_at_[hidden])
Date: 2008-08-06 11:47:46

on Sun Aug 03 2008, Kripken <kripkensteinr-AT-gmail.com> wrote:

> Hello,
>
> I am unable to get the boost:python embedding tutorials to work. I have
> the exact same problems as in this unanswered post:
>
> http://www.nabble.com/boost.python-embedding-tutorial-doesn%27t-work---td17627559.html
>
> Basically, commands like this
>
>         python::object ignore = python::exec("print len([1,2,3])",
> main_namespace);
>
> fail with
>
>    Traceback (most recent call last):
>      File "<string>", line 1, in <module>
>    TypeError: 'NoneType' object is unsubscriptable
>
> whereas simpler commands like this do work:
>
>         python::object ignoreme = python::exec(python::str("print 5"),
> main_namespace);
>
> Similar problems occur with eval instead of exec, for some uses the
> error is instead
>
>    TypeError: 'NoneType' object does not support item assignment
>
> If it's important, I am running Ubuntu 8.04, Python is 2.5.2, Boost is 1.34.1.
>
> Thanks in advance for any tips.

Kripken,

Could you please submit a ticket describing the problem at
http://svn.boost.org?

Thanks,

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com