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/**
* $Id: PyObjectPlus.h,v 1.12 2005/12/20 09:13:06 erwin Exp $
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef NO_EXP_PYTHON_EMBEDDING
#ifndef _adr_py_lib_h_ // only process once,
#define _adr_py_lib_h_ // even if multiply included
#ifndef __cplusplus // c++ only
#error Must be compiled with C++
#endif
#include "KX_Python.h"
#include "STR_String.h"
/*------------------------------
* Python defines
------------------------------*/
// some basic python macros
#define Py_NEWARGS 1
#define Py_Return { Py_INCREF(Py_None); return Py_None;}
static inline PyObject* Py_Success(bool truth)
{
if (truth)
{
Py_INCREF(Py_True);
return Py_True;
}
Py_INCREF(Py_False);
return Py_False;
}
#define Py_Error(E, M) {PyErr_SetString(E, M); return NULL;}
#define Py_Try(F) {if (!(F)) return NULL;}
#define Py_Assert(A,E,M) {if (!(A)) {PyErr_SetString(E, M); return NULL;}}
static inline void Py_Fatal(char *M) {
//cout << M << endl;
exit(-1);
};
// This must be the first line of each
// PyC++ class
#define Py_Header \
public: \
static PyTypeObject Type; \
static PyMethodDef Methods[]; \
static PyParentObject Parents[]; \
virtual PyTypeObject *GetType(void) {return &Type;}; \
virtual PyParentObject *GetParents(void) {return Parents;}
// This defines the _getattr_up macro
// which allows attribute and method calls
// to be properly passed up the hierarchy.
#define _getattr_up(Parent) \
PyObject *rvalue = Py_FindMethod(Methods, this, const_cast<char*>(attr.ReadPtr())); \
if (rvalue == NULL) \
{ \
PyErr_Clear(); \
return Parent::_getattr(attr); \
} \
else \
return rvalue
/**
* These macros are helpfull when embedding Python routines. The second
* macro is one that also requires a documentation string
*/
#define KX_PYMETHOD(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* args, PyObject* kwds); \
static PyObject* sPy##method_name( PyObject* self, PyObject* args, PyObject* kwds) { \
return ((class_name*) self)->Py##method_name(self, args, kwds); \
}; \
#define KX_PYMETHOD_DOC(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* args, PyObject* kwds); \
static PyObject* sPy##method_name( PyObject* self, PyObject* args, PyObject* kwds) { \
return ((class_name*) self)->Py##method_name(self, args, kwds); \
}; \
static char method_name##_doc[]; \
/* The line above should remain empty */
/**
* Method table macro (with doc)
*/
#define KX_PYMETHODTABLE(class_name, method_name) \
{#method_name , (PyCFunction) class_name::sPy##method_name, METH_VARARGS, class_name::method_name##_doc}
/**
* Function implementation macro
*/
#define KX_PYMETHODDEF_DOC(class_name, method_name, doc_string) \
char class_name::method_name##_doc[] = doc_string; \
PyObject* class_name::Py##method_name(PyObject*, PyObject* args, PyObject*)
/*------------------------------
* PyObjectPlus
------------------------------*/
typedef PyTypeObject * PyParentObject; // Define the PyParent Object
class PyObjectPlus : public PyObject
{ // The PyObjectPlus abstract class
Py_Header; // Always start with Py_Header
public:
PyObjectPlus(PyTypeObject *T);
virtual ~PyObjectPlus(); // destructor
static void PyDestructor(PyObject *P) // python wrapper
{
delete ((PyObjectPlus *) P);
};
// void INCREF(void) {
// Py_INCREF(this);
// }; // incref method
// void DECREF(void) {
// Py_DECREF(this);
// }; // decref method
virtual PyObject *_getattr(const STR_String& attr); // _getattr method
static PyObject *__getattr(PyObject * PyObj, char *attr) // This should be the entry in Type.
{
return ((PyObjectPlus*) PyObj)->_getattr(STR_String(attr));
}
virtual int _delattr(const STR_String& attr);
virtual int _setattr(const STR_String& attr, PyObject *value); // _setattr method
static int __setattr(PyObject *PyObj, // This should be the entry in Type.
char *attr,
PyObject *value)
{
if (!value)
return ((PyObjectPlus*) PyObj)->_delattr(attr);
return ((PyObjectPlus*) PyObj)->_setattr(STR_String(attr), value);
}
virtual PyObject *_repr(void); // _repr method
static PyObject *__repr(PyObject *PyObj) // This should be the entry in Type.
{
return ((PyObjectPlus*) PyObj)->_repr();
}
// isA methods
bool isA(PyTypeObject *T);
bool isA(const char *mytypename);
PyObject *Py_isA(PyObject *args);
static PyObject *sPy_isA(PyObject *self, PyObject *args, PyObject *kwd)
{
return ((PyObjectPlus*)self)->Py_isA(args);
}
};
#endif // _adr_py_lib_h_
#endif //NO_EXP_PYTHON_EMBEDDING
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