extern_include_order.srctree 1.02 KB
Newer Older
Robert Bradshaw's avatar
Robert Bradshaw committed
1 2 3 4 5 6 7 8 9 10 11 12 13 14
PYTHON setup.py build_ext --inplace
PYTHON -c "import a"
PYTHON -c "import b"

######## setup.py ########

from Cython.Build import cythonize
from distutils.core import setup

setup(
    ext_modules = cythonize("*.pyx"),
)

######## a.pxd ########
15
# cython: preliminary_late_includes_cy28=True
Robert Bradshaw's avatar
Robert Bradshaw committed
16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56

cdef extern from "a_early.h":
  ctypedef int my_int

cdef extern from "a_late.h":
    my_int square_value_plus_one()

cdef my_int my_value "my_value"

cdef my_int square "square"(my_int x)

######## a.pyx ########

my_value = 10

cdef my_int square "square"(my_int x):
    return x * x

assert square_value_plus_one() == 101

# Square must be explicitly used for its proto to be generated.
cdef my_int use_square(x):
  return square(x)

######## a_early.h ########

typedef int my_int;

######## a_late.h ########

static my_int square_value_plus_one() {
  return square(my_value) + 1;
}

######## b.pyx ########

cimport a

# Likewise, a.square must be explicitly used.
assert a.square(a.my_value) + 1 == 101
assert a.square_value_plus_one() == 101