cython inheritance

Question

I have a A.pxd (with just declaration of functions) and A.pyx that contains just a class A with all the function body.

Than I have B that inherits from A,

a

Answer 1

Use

from A cimport Aclass
cdef class Bclass(Aclass):
    # ...

or

cimport A
cdef class Bclass(A.Aclass):
    # ...

Note that Aclass must be cdef'fed class, Cython extension types cannot inherit from Python classes.