[Cython] code generated for arguments of type "type"

[Stefan Behnel]

Stefan Behnel, 18.07.2012 09:09:
> the following pull request tries to fix the fact that we currently generate
> arguments of type "PyObject*" when someone spells out "type" for them.
> 
> https://github.com/cython/cython/pull/126
> 
> That's mostly a problem in CPython's C-API, but also in some NumPy
> functions. The correct way to translate this would be as a "PyTypeObject*",
> not a bare "PyObject*".
> 
> Does anyone see a general problem with changing this in the compiler
> directly? I'm not sure that it won't break code, for example. We'll at
> least have to cast the arguments on the way in as well.

Following up on this: I came to the conclusion that PyTypeObject is really
not what one wants in normal code. Even if a "type" is declared, you still
want a plain object to work with in almost all cases that just happens to
be a type object on top.

That makes the request a pure C-API thing and I think the pull request
handles this quite ok.

Stefan