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# mode: run
# tag: cimport
PYTHON setup.py build_ext --inplace
PYTHON -c "from py_pkg.py_a import test; test()"
PYTHON -c "from pkg.a import test; assert test() == (5, 7)"
PYTHON -c "from pkg.b import test; assert test() == (1, 2)"
PYTHON -c "from pkg.b_py2 import test; assert test() == (1, 2)"
PYTHON -c "from pkg.sub.c import test; assert test() == (1, 2)"
PYTHON -c "from pkg.sub.d import test; assert test() == 3"
# File structure:
# ├── setup.py
# ├── py_pkg/
# | ├── __init__.py
# | ├── py_a.pyx
# | ├── py_b.pxd
# | └── py_sub/
# | ├── __init__.py
# | ├── py_c.pxd
# | └── py_d.pxd
# └── pkg/
# ├── __init__.py
# ├── a.pyx
# ├── a.pxd
# ├── b.pyx
# ├── b_py2.pyx
# └── sub/
# ├── __init__.py
# ├── __init__.pxd
# ├── c.pyx
# ├── c.pxd
# ├── d.pyx
# ├── tdef.pxd
# └── reimport.pxd
######## setup.py ########
from distutils.core import setup
from Cython.Build import cythonize
from Cython.Distutils.extension import Extension
setup(
ext_modules=cythonize('**/*.pyx'),
)
######## py_pkg/__init__.py ########
######## py_pkg/py_a.pyx ########
from .py_sub cimport py_c
def test():
cdef py_c.py_b.py_b_int b = 1
assert b == 1
cdef py_c.py_c_int c = 2
assert c == 2
cdef py_c.py_d.py_d_int d = 3
assert d == 3
######## py_pkg/py_b.pxd ########
ctypedef int py_b_int
######## py_pkg/py_sub/__init__.py ########
######## py_pkg/py_sub/py_c.pxd ########
from .. cimport py_b
from . cimport py_d
ctypedef int py_c_int
######## py_pkg/py_sub/py_d.pxd ########
ctypedef int py_d_int
######## pkg/__init__.py ########
######## pkg/sub/__init__.py ########
######## pkg/a.pyx ########
from .sub.reimport cimport myint
from .sub cimport c
cdef myint i = 5
assert i == 5
assert c.sum_func(1, 2) == 3
from .sub cimport myint as pkg_myint
cdef pkg_myint pi = 7
assert pi == 7
cdef class test_pxd:
pass
def test():
return (i, pi)
######## pkg/a.pxd ########
cdef class test_pxd:
cdef public int x
cdef public int y
######## pkg/b.pyx ########
from . cimport a
from .a cimport test_pxd
assert a.test_pxd is test_pxd
def test():
cdef test_pxd obj = test_pxd()
obj.x = 1
obj.y = 2
return (obj.x, obj.y)
######## pkg/b_py2.pyx ########
# cython: language_level=2
from . cimport a
from .a cimport test_pxd
cimport a as implicitly_relative_a # <-- Py2 "feature"
assert a.test_pxd is test_pxd
assert implicitly_relative_a.test_pxd is test_pxd
def test():
cdef test_pxd obj = test_pxd()
obj.x = 1
obj.y = 2
return (obj.x, obj.y)
######## pkg/sub/c.pyx ########
from ..a cimport test_pxd
def test():
cdef test_pxd obj = test_pxd()
obj.x = 1
obj.y = 2
return (obj.x, obj.y)
cdef int sum_func(int n, int m):
return n + m
######## pkg/sub/c.pxd ########
cdef int sum_func(int n, int m)
######## pkg/sub/d.pyx ########
from . cimport c
def test():
return c.sum_func(1, 2)
######## pkg/sub/tdef.pxd ########
ctypedef int myint
######## pkg/sub/reimport.pxd ########
from .tdef cimport myint
######## pkg/sub/__init__.pxd ########
from .tdef cimport myint
from . cimport c
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