PYTHON setup.py build_ext --inplace
PYTHON -c "import toppkg; assert '.py' not in toppkg.__file__; assert toppkg.PACKAGE == 1"
PYTHON -c "import toppkg.subpkg; assert '.py' not in toppkg.__file__; assert '.py' not in toppkg.subpkg.__file__; assert toppkg.subpkg.PACKAGE == 2"
PYTHON -c "import toppkg.a; assert toppkg.a.MODULE == 'a'"
PYTHON -c "from toppkg.subpkg import a; assert a.MODULE == 'subpkg.a'"

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


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

setup(
  ext_modules = cythonize("toppkg/**/*.py"),
)

######## toppkg/__init__.py ########

import sys
assert 'toppkg' in sys.modules

assert __path__ is not None, "__path__ is None"

assert __path__, "__path__ is empty"
assert 'toppkg' in __path__[0], "toppkg not in __path__[0]"

assert 'toppkg' in __file__

from . import a
assert a.MODULE == 'a'

from . import b
assert b.MODULE == 'b'

PACKAGE = 1

######## toppkg/a.py ########

MODULE = 'a'

######## toppkg/b.py ########

MODULE = 'b'

######## toppkg/subpkg/__init__.py ########

PACKAGE = 2

######## toppkg/subpkg/a.py ########

MODULE = 'subpkg.a'