[Cython] Best way to link in Cython utility code?

[Stefan Behnel]

Dag Sverre Seljebotn wrote:
> For the refcount nanny, I have a file refcheck.pyx which exports several
> functions which is called from Cython-generated C code if a flag is set,
> to do the reference nannying (basically they are "filters" for Py_...REF
> calls, called (__Pyx_RefcheckerIncRef and so on).
> 
> Currently, I hack this to work by manually including "cimport refcheck" in
> my (single) testcase, and declare the functions as "api", leaving it to
> the Cython-specific protocol to do the "linking"/pointer retrieval. This
> give me what I need for developing it, but no more...

I'd try to use the .pxi include mechanism (somehow) from within Cython, to
get it into the same file.

Stefan