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PYTHON setup.py build_ext --inplace
PYTHON -c "import a"
######## setup.py ########
from Cython.Build import cythonize
from distutils.core import setup
# Add ./site-packages to sys.path
from os.path import realpath
import sys
sys.path.append(realpath('site-packages'))
setup(
ext_modules = cythonize("*.pyx"),
)
######## site-packages/b/__init__.py ########
######## site-packages/b/other.pxd ########
cdef extern from "foo.c":
int foo(int)
######## site-packages/b/foo.c ########
static int foo(int a)
{
return a * a;
}
######## a.pyx ########
from b.other cimport foo
print(foo(10))
cimport b.other
print(b.other.foo(10))
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