[Pyrex] Extending collections.defaultdict

[Robert Bradshaw]

On Apr 2, 2009, at 4:17 AM, Franck Pommereau wrote:

> Hi all,
>
> I would like to create in Cython/Pyrex a new type by extending
> collections.defaultdict class. I've found that I can extend dict by  
> using :
>
> cdef extern from "dictobject.h":
>     ctypedef class __builtin__.dict [object PyDictObject]:
>         pass
>
> cdef class hdict (dict):
>     ...
>
> But there is no header file such as "dictobject.h" for module
> collections nor I could find one that declares defaultdict.
>
> Does anyone knows how I could declare the existence of defaultdict?

I PyDictObject is #included into the standard Python.h file, so you  
could probably just get it from there. You need to make sure you have  
the development version of Python installed.

- Robert