[C++-sig] Pickling object from nested class

[Nikolay Mladenov]

Hi,

I have class View with nested class Data  exported with BPL in module
objects.
When I try to pickle object of the nested class I get the following
PicklingError:

>>> dump(d,out)
Traceback (most recent call last):
  File "<console>", line 1, in ?
  File "D:\Python22\Lib\pickle.py", line 973, in dump
    Pickler(file, bin).dump(object)
  File "D:\Python22\Lib\pickle.py", line 115, in dump
    self.save(object)
  File "D:\Python22\Lib\pickle.py", line 219, in save
    self.save_reduce(callable, arg_tup, state)
  File "D:\Python22\Lib\pickle.py", line 244, in save_reduce
    save(callable)
  File "D:\Python22\Lib\pickle.py", line 171, in save
    self.save_global(object)
  File "D:\Python22\Lib\pickle.py", line 519, in save_global
    raise PicklingError(
PicklingError: Can't pickle <class 'objects.Data'>: it's not found as
objects.Data

This worked with native Python classes.
How can this be made to work?

Nikolay