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Copy pathwrapper.cpp
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74 lines (67 loc) · 2.05 KB
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// Copyright David Abrahams 2004. Distributed under the Boost
// Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#include <boost/python/wrapper.hpp>
namespace boost { namespace python {
namespace detail
{
override wrapper_base::get_override(
char const* name
, PyTypeObject* class_object
) const
{
if (this->m_self)
{
if (handle<> m = handle<>(
python::allow_null(
::PyObject_GetAttrString(
this->m_self, const_cast<char*>(name))))
)
{
PyObject* class_f = 0;
if (
PyMethod_Check(m.get())
&& PyMethod_GET_SELF(m.get()) == this->m_self
&& class_object->tp_dict != 0
)
{
#if PY_VERSION_HEX >= 0x030D0000
if (::PyDict_GetItemStringRef(
class_object->tp_dict, const_cast<char*>(name), &class_f) < 0) {
throw_error_already_set();
}
#else
class_f = ::PyDict_GetItemString(
class_object->tp_dict, const_cast<char*>(name));
Py_XINCREF(class_f);
#endif
}
bool is_override = (class_f != PyMethod_GET_FUNCTION(m.get()));
Py_XDECREF(class_f);
if (is_override)
return override(m);
}
}
return override(handle<>(detail::none()));
}
}
#if 0
namespace converter
{
PyObject* BOOST_PYTHON_DECL do_polymorphic_ref_to_python(
python::detail::wrapper_base const volatile* x, type_info src
)
{
if (x == 0)
{
::PyErr_Format(
PyExc_TypeError
, "Attempting to returning pointer or reference to instance of %s\n"
"for which no corresponding Python object exists. Wrap this function"
"with a return return value policy"
)
}
}
}
#endif
}} // namespace boost::python::detail