PYTHON setup.py build_ext --inplace
PYTHON -c "import runner"

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

from Cython.Build.Dependencies import cythonize

from distutils.core import setup

setup(
  ext_modules = cythonize("**/a*.pyx", include_path=['subdir'], compiler_directives={'cdivision': True}),
)

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

######## p1/__init__.py ########

######## p1/a.pyx ########

######## p1/ab.pyx ########

######## p1/b.pyx ########

######## p1/p2/__init__.py ########

######## p1/p2/a.pyx ########

######## runner.py ########

import a
import p1.a
import p1.ab
import p1.p2.a
try:
    import p1.b
    assert False, "b should not be complied"
except ImportError:
    pass
