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Fix for Python 3 versus Python 2 where the PyVarObject is different.

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This commit is contained in:
Edward Diener
2018-10-18 14:42:04 -04:00
parent 9d9d11fe80
commit 77e4c49657
1 changed files with 13 additions and 2 deletions
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15
include/boost/parameter/python.hpp
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@@ -41,8 +41,7 @@ namespace boost { namespace parameter { namespace python { namespace aux
inline PyObject* unspecified_type()
{
static PyTypeObject unspecified = {
PyObject_HEAD_INIT(NULL)
0, /* ob_size */
PyVarObject_HEAD_INIT(NULL,0)
"Boost.Parameter.Unspecified", /* tp_name */
PyType_Type.tp_basicsize, /* tp_basicsize */
0, /* tp_itemsize */
@@ -64,12 +63,24 @@ namespace boost { namespace parameter { namespace python { namespace aux
Py_TPFLAGS_DEFAULT, /* tp_flags */
0, /* tp_doc */
};
#if PY_MAJOR_VERSION <= 2
if (unspecified.ob_type == 0)
{
unspecified.ob_type = &PyType_Type;
PyType_Ready(&unspecified);
}
#else
if (unspecified.ob_base.ob_base.ob_type == 0)
{
unspecified.ob_base.ob_base.ob_type = &PyType_Type;
PyType_Ready(&unspecified);
}
#endif
return (PyObject*)&unspecified;
}