prob. creating deeply nested structures in Py/c api

[Bob Ippolito]

On 2004-02-28 08:41:47 -0500, Ori Y <geensys at yahoo.com> said:

> 
> Hi , i'm having some difficulties regarding using the Python/c api.
>  I'm trying to bulid a deeply nested datastructure (i.e dict within a 
> dict or list within a dict)
> Building the data stracture seems ok on interperter, but after few 
> calls to the method
> returning the structure, and aft applying the Ctrl+D to exit interperter
>  i receive a 'segmentation fault'. ?#
> Further more when calling the program from python i receive the 
> dictionary as a string!
> "{foo: {1:'blah, 2:'boo'}, bar:1}"     (i have a feeling these problems 
> are related).
>  I'm using python 2.3 on a RH9 Linux machine.
> Advise would be very much appriciated.
>  Here is a shorter example of the consept  i'm trying to do :
>  static *PyObject blah (something)
> {
>   PyObject *dict1;
>   PyObject *dict2;
>   long x;
>   dict1 = PyDict_New();
>  dict2 = PyDict_New();
>  x = 1;
>  PyDict_SetItem(dict1, PyString_FromString("foo"),PyInt_FromLong(x)); 
> //setting first dict
>  //setting dict1 in dict2 and returning dict2
> 
> PyDict_SetItem(dict2, PyString_FromString("blah"),dict1); // expected 
> {blah:{foo:1}}

You should try Pyrex:
	http://www.cosc.canterbury.ac.nz/~greg/python/Pyrex/

It would make this just as easy as it is in Python.

-bob