cython

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PYTHON setup.py build_ext --inplace
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PYTHON -c "import pkg.my_test_module"
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PYTHON -c "import pkg.b; pkg.b.test_reimport()"
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PYTHON -c "import pkg.c; pkg.c.test_reimport()"
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######## setup.py ########
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from Cython.Build.Dependencies import cythonize
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from distutils.core import setup
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setup(
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    ext_modules = cythonize("**/*.pyx"),
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    )
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######## pkg/__init__.py ########
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######## pkg/a_module.pyx ########
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######## pkg/my_test_module.pyx ########
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import sys
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from . import a_module
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assert a_module in sys.modules.values(), list(sys.modules)
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assert sys.modules['pkg.a_module'] is a_module, list(sys.modules)
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######## pkg/b.pyx ########
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from __future__ import absolute_import
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import sys
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try:
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    import my_test_module
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except ImportError:
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    pass
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else:
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    assert "expected ImportError on absolute import"
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import pkg.my_test_module
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assert pkg.my_test_module in sys.modules.values(), list(sys.modules)
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assert sys.modules['pkg.my_test_module'] is pkg.my_test_module, list(sys.modules)
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def test_reimport():
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    import pkg.my_test_module as mod
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    assert pkg.my_test_module is mod
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######## pkg/c.pyx ########
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from __future__ import absolute_import
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import sys
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from pkg import my_test_module
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assert my_test_module in sys.modules.values(), list(sys.modules)
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assert sys.modules['pkg.my_test_module'] is my_test_module, list(sys.modules)
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def test_reimport():
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    from pkg import my_test_module as mod
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    assert my_test_module is mod
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