cython

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PYTHON setup.py build_ext --inplace
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PYTHON -c "import a; a.test()"
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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("a.pyx"),
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)
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######## a.pyx ########
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cdef class ExtTypeDocstringPass:
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    pass
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cdef class ExtTypeDocstring:
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    "huhu!"   # this should override the .pxd docstring
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cdef class ExtTypePass:
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    pass
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cdef class ExtTypeDocstringPassString:
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    pass
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def test():
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    assert not ExtTypePass().__doc__, ExtTypePass().__doc__
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    assert ExtTypeDocstring().__doc__ == "huhu!", ExtTypeDocstring().__doc__
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    assert ExtTypeDocstringPass().__doc__ == "hoho!", ExtTypeDocstringPass().__doc__
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    assert ExtTypeDocstringPassString().__doc__ == "hoho!", ExtTypeDocstringPassString().__doc__
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######## a.pxd ########
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cdef class ExtTypePass:
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    pass
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cdef class ExtTypeDocstring:
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    """
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    hoho
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    """
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cdef class ExtTypeDocstringPass:
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    "hoho!"
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    pass
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cdef class ExtTypeDocstringPassString:
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    "hoho!"
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    pass
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    "more hoho"
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