cython

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from .object cimport PyObject, PyTypeObject
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cdef extern from "Python.h":
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    ctypedef object (*wrapperfunc)(self, args, void* wrapped)
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    ctypedef object (*wrapperfunc_kwds)(self, args, void* wrapped, kwds)
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    struct wrapperbase:
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        char* name
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        int offset
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        void* function
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        wrapperfunc wrapper
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        char* doc
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        int flags
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        PyObject* name_strobj
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    int PyWrapperFlag_KEYWORDS
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    ctypedef class __builtin__.wrapper_descriptor [object PyWrapperDescrObject]:
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        cdef type d_type
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        cdef d_name
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        cdef wrapperbase* d_base
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        cdef void* d_wrapped
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    object PyDescr_NewWrapper(PyTypeObject* cls, wrapperbase* wrapper, void* wrapped)
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    int PyDescr_IsData(descr)
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