diff options
| -rw-r--r-- | libshiboken/basewrapper.cpp | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/libshiboken/basewrapper.cpp b/libshiboken/basewrapper.cpp index 05276b7fa..6ec023465 100644 --- a/libshiboken/basewrapper.cpp +++ b/libshiboken/basewrapper.cpp @@ -215,6 +215,26 @@ bool importModule(const char* moduleName, PyTypeObject*** cppApiPtr) // Wrapper metatype and base type ---------------------------------------------------------- +static PyObject* +SbkBaseWrapperType_TpNew(PyTypeObject* metatype, PyObject* args, PyObject* kwds) +{ + // The meta type creates a new type when the Python programmer extends a wrapped C++ class. + SbkBaseWrapperType* newType = reinterpret_cast<SbkBaseWrapperType*>(PyType_Type.tp_new(metatype, args, kwds)); + + if (!newType) + return 0; + + // This expects that Python classes will inherit from only one C++ wrapped class. + SbkBaseWrapperType* parentType = reinterpret_cast<SbkBaseWrapperType*>(PyTuple_GET_ITEM(PyTuple_GET_ITEM(args, 1), 0)); + + newType->mi_offsets = parentType->mi_offsets; + newType->mi_init = parentType->mi_init; + newType->mi_specialcast = parentType->mi_specialcast; + newType->type_name_func = parentType->type_name_func; + + return reinterpret_cast<PyObject*>(newType); +} + extern "C" { @@ -259,7 +279,7 @@ PyTypeObject SbkBaseWrapperType_Type = { /*tp_dictoffset*/ 0, /*tp_init*/ 0, /*tp_alloc*/ 0, - /*tp_new*/ 0, + /*tp_new*/ SbkBaseWrapperType_TpNew, /*tp_free*/ 0, /*tp_is_gc*/ 0, /*tp_bases*/ 0, |