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/**
* $Id$
*
* ***** BEGIN GPL 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.
*
* 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 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
------------------------------*/
/*
Py_RETURN_NONE
Python 2.4 macro.
defined here until we switch to 2.4
also in api2_2x/gen_utils.h
*/
#ifndef Py_RETURN_NONE
#define Py_RETURN_NONE return Py_BuildValue("O", Py_None)
#endif
#ifndef Py_RETURN_FALSE
#define Py_RETURN_FALSE return PyBool_FromLong(0)
#endif
#ifndef Py_RETURN_TRUE
#define Py_RETURN_TRUE return PyBool_FromLong(1)
#endif
/* for pre Py 2.5 */
#if PY_VERSION_HEX < 0x02050000
typedef int Py_ssize_t;
typedef Py_ssize_t (*lenfunc)(PyObject *);
#define PY_SSIZE_T_MAX INT_MAX
#define PY_SSIZE_T_MIN INT_MIN
#define PY_METHODCHAR char *
#else
/* Py 2.5 and later */
#define intargfunc ssizeargfunc
#define intintargfunc ssizessizeargfunc
#define PY_METHODCHAR const char *
#endif
#include "descrobject.h"
static inline void Py_Fatal(const char *M) {
fprintf(stderr, "%s\n", M);
exit(-1);
};
// This must be the first line of each
// PyC++ class
#define Py_Header \
public: \
static PyTypeObject Type; \
static PyMethodDef Methods[]; \
static PyAttributeDef Attributes[]; \
static PyParentObject Parents[]; \
virtual PyTypeObject *GetType(void) {return &Type;}; \
virtual PyParentObject *GetParents(void) {return Parents;}
// This defines the py_getattro_up macro
// which allows attribute and method calls
// to be properly passed up the hierarchy.
#define py_getattro_up(Parent) \
\
PyObject *descr = PyDict_GetItem(Type.tp_dict, attr); \
\
if(descr) { \
if (PyCObject_Check(descr)) { \
return py_get_attrdef((void *)this, (const PyAttributeDef*)PyCObject_AsVoidPtr(descr)); \
} else if (descr->ob_type->tp_descr_get) { \
return PyCFunction_New(((PyMethodDescrObject *)descr)->d_method, (PyObject *)this); \
} else { \
fprintf(stderr, "unknown attribute type"); \
return descr; \
} \
} else { \
PyErr_Clear(); \
PyObject *rvalue= Parent::py_getattro(attr); \
\
if (strcmp(PyString_AsString(attr), "__dict__")==0) { \
return py_getattr_dict(rvalue, Type.tp_dict); \
} \
\
return rvalue; \
} \
return NULL;
/*
* nonzero values are an error for setattr
* however because of the nested lookups we need to know if the errors
* was because the attribute didnt exits of if there was some problem setting the value
*/
#define PY_SET_ATTR_COERCE_FAIL 2
#define PY_SET_ATTR_FAIL 1
#define PY_SET_ATTR_MISSING -1
#define PY_SET_ATTR_SUCCESS 0
#define py_setattro_up(Parent) \
PyObject *descr = PyDict_GetItem(Type.tp_dict, attr); \
\
if(descr) { \
if (PyCObject_Check(descr)) { \
const PyAttributeDef* attrdef= reinterpret_cast<const PyAttributeDef *>(PyCObject_AsVoidPtr(descr)); \
if (attrdef->m_access == KX_PYATTRIBUTE_RO) { \
PyErr_Format(PyExc_AttributeError, "\"%s\" is read only", PyString_AsString(attr)); \
return PY_SET_ATTR_FAIL; \
} \
else { \
return py_set_attrdef((void *)this, attrdef, value); \
} \
} else { \
PyErr_Format(PyExc_AttributeError, "\"%s\" cannot be set", PyString_AsString(attr)); \
return PY_SET_ATTR_FAIL; \
} \
} else { \
PyErr_Clear(); \
return Parent::py_setattro(attr, value); \
}
/**
* 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_VARARGS(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* args); \
static PyObject* sPy##method_name( PyObject* self, PyObject* args) { \
return ((class_name*) self)->Py##method_name(self, args); \
}; \
#define KX_PYMETHOD_NOARGS(class_name, method_name) \
PyObject* Py##method_name(PyObject* self); \
static PyObject* sPy##method_name( PyObject* self) { \
return ((class_name*) self)->Py##method_name(self); \
}; \
#define KX_PYMETHOD_O(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* value); \
static PyObject* sPy##method_name( PyObject* self, PyObject* value) { \
return ((class_name*) self)->Py##method_name(self, value); \
}; \
#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 const char method_name##_doc[]; \
#define KX_PYMETHOD_DOC_VARARGS(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* args); \
static PyObject* sPy##method_name( PyObject* self, PyObject* args) { \
return ((class_name*) self)->Py##method_name(self, args); \
}; \
static const char method_name##_doc[]; \
#define KX_PYMETHOD_DOC_O(class_name, method_name) \
PyObject* Py##method_name(PyObject* self, PyObject* value); \
static PyObject* sPy##method_name( PyObject* self, PyObject* value) { \
return ((class_name*) self)->Py##method_name(self, value); \
}; \
static const char method_name##_doc[]; \
#define KX_PYMETHOD_DOC_NOARGS(class_name, method_name) \
PyObject* Py##method_name(PyObject* self); \
static PyObject* sPy##method_name( PyObject* self) { \
return ((class_name*) self)->Py##method_name(self); \
}; \
static const 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, (PY_METHODCHAR)class_name::method_name##_doc}
#define KX_PYMETHODTABLE_O(class_name, method_name) \
{#method_name , (PyCFunction) class_name::sPy##method_name, METH_O, (PY_METHODCHAR)class_name::method_name##_doc}
#define KX_PYMETHODTABLE_NOARGS(class_name, method_name) \
{#method_name , (PyCFunction) class_name::sPy##method_name, METH_NOARGS, (PY_METHODCHAR)class_name::method_name##_doc}
/**
* Function implementation macro
*/
#define KX_PYMETHODDEF_DOC(class_name, method_name, doc_string) \
const char class_name::method_name##_doc[] = doc_string; \
PyObject* class_name::Py##method_name(PyObject*, PyObject* args, PyObject*)
#define KX_PYMETHODDEF_DOC_VARARGS(class_name, method_name, doc_string) \
const char class_name::method_name##_doc[] = doc_string; \
PyObject* class_name::Py##method_name(PyObject*, PyObject* args)
#define KX_PYMETHODDEF_DOC_O(class_name, method_name, doc_string) \
const char class_name::method_name##_doc[] = doc_string; \
PyObject* class_name::Py##method_name(PyObject*, PyObject* value)
#define KX_PYMETHODDEF_DOC_NOARGS(class_name, method_name, doc_string) \
const char class_name::method_name##_doc[] = doc_string; \
PyObject* class_name::Py##method_name(PyObject*)
/**
* Attribute management
*/
enum KX_PYATTRIBUTE_TYPE {
KX_PYATTRIBUTE_TYPE_BOOL,
KX_PYATTRIBUTE_TYPE_ENUM,
KX_PYATTRIBUTE_TYPE_SHORT,
KX_PYATTRIBUTE_TYPE_INT,
KX_PYATTRIBUTE_TYPE_FLOAT,
KX_PYATTRIBUTE_TYPE_STRING,
KX_PYATTRIBUTE_TYPE_DUMMY,
KX_PYATTRIBUTE_TYPE_FUNCTION,
};
enum KX_PYATTRIBUTE_ACCESS {
KX_PYATTRIBUTE_RW,
KX_PYATTRIBUTE_RO
};
struct KX_PYATTRIBUTE_DEF;
typedef int (*KX_PYATTRIBUTE_CHECK_FUNCTION)(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef);
typedef int (*KX_PYATTRIBUTE_SET_FUNCTION)(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef, PyObject *value);
typedef PyObject* (*KX_PYATTRIBUTE_GET_FUNCTION)(void *self, const struct KX_PYATTRIBUTE_DEF *attrdef);
typedef struct KX_PYATTRIBUTE_DEF {
const char *m_name; // name of the python attribute
KX_PYATTRIBUTE_TYPE m_type; // type of value
KX_PYATTRIBUTE_ACCESS m_access; // read/write access or read-only
int m_imin; // minimum value in case of integer attributes (for string: minimum string length)
int m_imax; // maximum value in case of integer attributes (for string: maximum string length)
float m_fmin; // minimum value in case of float attributes
float m_fmax; // maximum value in case of float attributes
bool m_clamp; // enforce min/max value by clamping
size_t m_offset; // position of field in structure
size_t m_size; // size of field for runtime verification (enum only)
size_t m_length; // length of array, 1=simple attribute
KX_PYATTRIBUTE_CHECK_FUNCTION m_checkFunction; // static function to check the assignment, returns 0 if no error
KX_PYATTRIBUTE_SET_FUNCTION m_setFunction; // static function to check the assignment, returns 0 if no error
KX_PYATTRIBUTE_GET_FUNCTION m_getFunction; // static function to check the assignment, returns 0 if no error
// The following pointers are just used to have compile time check for attribute type.
// It would have been good to use a union but that would require C99 compatibility
// to initialize specific union fields through designated initializers.
struct {
bool *m_boolPtr;
short int *m_shortPtr;
int *m_intPtr;
float *m_floatPtr;
STR_String *m_stringPtr;
} m_typeCheck;
} PyAttributeDef;
#define KX_PYATTRIBUTE_DUMMY(name) \
{ name, KX_PYATTRIBUTE_TYPE_DUMMY, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, 0, 0, 1, NULL, NULL, NULL, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_BOOL_RW(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_BOOL, KX_PYATTRIBUTE_RW, 0, 1, 0.f, 0.f, false, offsetof(object,field), 0, 1, NULL, NULL, NULL, {&((object *)0)->field, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_BOOL_RW_CHECK(name,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_BOOL, KX_PYATTRIBUTE_RW, 0, 1, 0.f, 0.f, false, offsetof(object,field), 0, 1, &object::function, NULL, NULL, {&((object *)0)->field, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_BOOL_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_BOOL, KX_PYATTRIBUTE_RO, 0, 1, 0.f, 0.f, false, offsetof(object,field), 0, 1, NULL, NULL, NULL, {&((object *)0)->field, NULL, NULL, NULL, NULL} }
// enum field cannot be mapped to pointer (because we would need a pointer for each enum)
// use field size to verify mapping at runtime only, assuming enum size is equal to int size.
#define KX_PYATTRIBUTE_ENUM_RW(name,min,max,clamp,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_ENUM, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), sizeof(((object *)0)->field), 1, NULL, NULL, NULL, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_ENUM_RW_CHECK(name,min,max,clamp,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_ENUM, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), sizeof(((object *)0)->field), 1, &object::function, NULL, NULL, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_ENUM_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_ENUM, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), sizeof(((object *)0)->field), 1, NULL, NULL, NULL, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_RW(name,min,max,clamp,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_RW_CHECK(name,min,max,clamp,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, &object::function, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_ARRAY_RW(name,min,max,clamp,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, ((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_ARRAY_RW_CHECK(name,min,max,clamp,object,field,length,function) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, &object::function, NULL, NULL, {NULL, ((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_ARRAY_RO(name,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, ((object *)0)->field, NULL, NULL, NULL} }
// SHORT_LIST
#define KX_PYATTRIBUTE_SHORT_LIST_RW(name,min,max,clamp,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_LIST_RW_CHECK(name,min,max,clamp,object,field,length,function) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, &object::function, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_SHORT_LIST_RO(name,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_SHORT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, &((object *)0)->field, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_RW(name,min,max,clamp,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_RW_CHECK(name,min,max,clamp,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, &object::function, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_ARRAY_RW(name,min,max,clamp,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, ((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_ARRAY_RW_CHECK(name,min,max,clamp,object,field,length,function) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, &object::function, NULL, NULL, {NULL, NULL, ((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_ARRAY_RO(name,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, ((object *)0)->field, NULL, NULL} }
// INT_LIST
#define KX_PYATTRIBUTE_INT_LIST_RW(name,min,max,clamp,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_LIST_RW_CHECK(name,min,max,clamp,object,field,length,function) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, length, &object::function, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
#define KX_PYATTRIBUTE_INT_LIST_RO(name,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_INT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, &((object *)0)->field, NULL, NULL} }
// always clamp for float
#define KX_PYATTRIBUTE_FLOAT_RW(name,min,max,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RW, 0, 0, min, max, true, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, NULL, NULL, &((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_FLOAT_RW_CHECK(name,min,max,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RW, 0, 0, min, max, true, offsetof(object,field), 0, 1, &object::function, NULL, NULL, {NULL, NULL, NULL, &((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_FLOAT_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, NULL, NULL, &((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_FLOAT_ARRAY_RW(name,min,max,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RW, 0, 0, min, max, true, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, NULL, ((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_FLOAT_ARRAY_RW_CHECK(name,min,max,object,field,length,function) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RW, 0, 0, min, max, true, offsetof(object,field), 0, length, &object::function, NULL, NULL, {NULL, NULL, NULL, ((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_FLOAT_ARRAY_RO(name,object,field,length) \
{ name, KX_PYATTRIBUTE_TYPE_FLOAT, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, length, NULL, NULL, NULL, {NULL, NULL, NULL, ((object *)0)->field, NULL} }
#define KX_PYATTRIBUTE_STRING_RW(name,min,max,clamp,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_STRING, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, NULL, NULL, NULL, {NULL, NULL, NULL, NULL, &((object *)0)->field} }
#define KX_PYATTRIBUTE_STRING_RW_CHECK(name,min,max,clamp,object,field,function) \
{ name, KX_PYATTRIBUTE_TYPE_STRING, KX_PYATTRIBUTE_RW, min, max, 0.f, 0.f, clamp, offsetof(object,field), 0, 1, &object::function, NULL, NULL, {NULL, NULL, NULL, NULL, &((object *)0)->field} }
#define KX_PYATTRIBUTE_STRING_RO(name,object,field) \
{ name, KX_PYATTRIBUTE_TYPE_STRING, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, offsetof(object,field), 0, 1 , NULL, NULL, NULL, {NULL, NULL, NULL, NULL, &((object *)0)->field} }
#define KX_PYATTRIBUTE_RW_FUNCTION(name,object,getfunction,setfunction) \
{ name, KX_PYATTRIBUTE_TYPE_FUNCTION, KX_PYATTRIBUTE_RW, 0, 0, 0.f, 0.f, false, 0, 0, 1, NULL, &object::setfunction, &object::getfunction, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_RO_FUNCTION(name,object,getfunction) \
{ name, KX_PYATTRIBUTE_TYPE_FUNCTION, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0.f, false, 0, 0, 1, NULL, NULL, &object::getfunction, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_ARRAY_RW_FUNCTION(name,object,length,getfunction,setfunction) \
{ name, KX_PYATTRIBUTE_TYPE_FUNCTION, KX_PYATTRIBUTE_RW, 0, 0, 0.f, 0,f, false, 0, 0, length, NULL, &object::setfunction, &object::getfunction, {NULL, NULL, NULL, NULL, NULL} }
#define KX_PYATTRIBUTE_ARRAY_RO_FUNCTION(name,object,length,getfunction) \
{ name, KX_PYATTRIBUTE_TYPE_FUNCTION, KX_PYATTRIBUTE_RO, 0, 0, 0.f, 0,f, false, 0, 0, length, NULL, NULL, &object::getfunction, {NULL, NULL, NULL, NULL, NULL} }
/*------------------------------
* 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);
bool m_zombie;
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 *py_getattro(PyObject *attr); // py_getattro method
static PyObject *py_base_getattro(PyObject * self, PyObject *attr) // This should be the entry in Type.
{
if (((PyObjectPlus*)self)->IsZombie()) {
if (!strcmp(PyString_AsString(attr), "isValid")) {
Py_RETURN_FALSE;
}
((PyObjectPlus*)self)->IsZombiePyErr(); /* raise an error */
return NULL;
}
return ((PyObjectPlus*) self)->py_getattro(attr);
}
static PyObject* py_get_attrdef(void *self, const PyAttributeDef *attrdef);
static int py_set_attrdef(void *self, const PyAttributeDef *attrdef, PyObject *value);
#if 0
static PyObject *py_getattro_self(const PyAttributeDef attrlist[], void *self, PyObject *attr);
static int py_setattro_self(const PyAttributeDef attrlist[], void *self, PyObject *attr, PyObject *value);
#endif
virtual int py_delattro(PyObject *attr);
virtual int py_setattro(PyObject *attr, PyObject *value); // py_setattro method
static int py_base_setattro(PyObject *self, PyObject *attr, PyObject *value) // the PyType should reference this
{
if (((PyObjectPlus*)self)->IsZombie()) {
/* you cant set isValid anyway */
((PyObjectPlus*)self)->IsZombiePyErr();
return -1;
}
if (value==NULL)
return ((PyObjectPlus*)self)->py_delattro(attr);
return ((PyObjectPlus*)self)->py_setattro(attr, value);
}
virtual PyObject *py_repr(void); // py_repr method
static PyObject *py_base_repr(PyObject *PyObj) // This should be the entry in Type.
{
return ((PyObjectPlus*) PyObj)->py_repr();
}
// isA methods
bool isA(PyTypeObject *T);
bool isA(const char *mytypename);
PyObject *Py_isA(PyObject *value);
static PyObject *sPy_isA(PyObject *self, PyObject *value)
{
return ((PyObjectPlus*)self)->Py_isA(value);
}
/* Kindof dumb, always returns True, the false case is checked for, before this function gets accessed */
static PyObject* pyattr_get_is_valid(void *self_v, const KX_PYATTRIBUTE_DEF *attrdef);
bool IsZombie()
{
return m_zombie;
}
bool IsZombiePyErr()
{
if(m_zombie) {
/*
PyObject *this_pystr = PyObject_Repr(this);
PyErr_Format(
PyExc_RuntimeError,
"\"%s\" of type \"%s\" has been freed by the blender game engine, "
"scripts cannot access this anymore, check for this case with the \"isValid\" attribute",
PyString_AsString(this_pystr), ob_type->tp_name );
Py_DECREF(this_pystr);
*/
PyErr_SetString(PyExc_RuntimeError, "This value has been freed by the blender game engine but python is still holding a reference, this value cant be used.");
}
return m_zombie;
}
void SetZombie(bool is_zombie)
{
m_zombie= is_zombie;
}
};
PyObject *py_getattr_dict(PyObject *pydict, PyObject *tp_dict);
#endif // _adr_py_lib_h_
#endif //NO_EXP_PYTHON_EMBEDDING
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