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/*
py/pyext - python external object for PD and MaxMSP
Copyright (c)2002-2008 Thomas Grill (gr@grrrr.org)
For information on usage and redistribution, and for a DISCLAIMER OF ALL
WARRANTIES, see the file, "license.txt," in this distribution.
$LastChangedRevision: 26 $
$LastChangedDate: 2008-01-03 17:20:03 +0100 (Thu, 03 Jan 2008) $
$LastChangedBy: thomas $
*/
#include "pybase.h"
#if 1
PyObject *pybase::GetRegistry(const char *regnm)
{
if(module) {
FLEXT_ASSERT(dict); // module must have a valid dict
// add this to module registry
PyObject *reg = PyDict_GetItemString(dict,(char *)regnm); // borrowed!!!
if(reg)
FLEXT_ASSERT(PyDict_Check(reg));
else {
// make a new empty registry
reg = PyDict_New();
PyDict_SetItemString(dict,(char *)regnm,reg);
}
return reg;
}
else
return NULL;
}
void pybase::SetRegistry(const char *regnm,PyObject *reg)
{
if(module) {
FLEXT_ASSERT(dict); // module must have a valid dict
FLEXT_ASSERT(reg && PyDict_Check(reg));
PyDict_SetItemString(dict,(char *)regnm,reg);
}
}
void pybase::Register(PyObject *reg)
{
if(!module) return;
FLEXT_ASSERT(reg && PyDict_Check(reg));
// add this to module registry
Py_INCREF(Py_None);
PyObject *key = PyLong_FromUnsignedLong((size_t)this);
PyDict_SetItem(reg,key,Py_None);
}
void pybase::Unregister(PyObject *reg)
{
if(!module) return;
FLEXT_ASSERT(reg && PyDict_Check(reg));
// remove this from module registry
PyObject *key = PyLong_FromUnsignedLong((size_t)this);
PyObject *item = PyDict_GetItem(reg,key);
if(!item)
post("py/pyext - Internal error: object not found in registry");
else
PyDict_DelItem(reg,key);
}
/*
void pybase::RegLoad(PyObject *reg)
{
}
void pybase::RegUnload(PyObject *reg)
{
}
*/
#else
void pybase::Register(const char *regnm)
{
if(module) {
// add this to module registry
PyObject *reg = PyDict_GetItemString(dict,(char *)regnm); // borrowed!!!
PyObject *add = Py_BuildValue("[i]",(long)this);
if(!reg || !PyList_Check(reg)) {
if(PyDict_SetItemString(dict,(char *)regnm,add)) {
post("py/pyext - Could not set registry");
}
}
else {
PySequence_InPlaceConcat(reg,add);
}
}
}
void pybase::Unregister(const char *regnm)
{
if(module) {
// remove this from module registry
PyObject *reg = PyDict_GetItemString(dict,(char *)regnm); // borrowed!!!
PyObject *add = Py_BuildValue("i",(int)this);
if(!reg || !PySequence_Check(reg))
post("py/pyext - Internal error: Registry not found!?");
else {
int ix = PySequence_Index(reg,add);
if(ix < 0) {
post("py/pyext - Internal error: object not found in registry?!");
}
else {
PySequence_DelItem(reg,ix);
}
}
Py_DECREF(add);
}
}
void pybase::Reregister(const char *regnm)
{
if(module) {
// remove this from module registry
PyObject *reg = PyDict_GetItemString(dict,(char *)regnm); // borrowed!!!
if(!reg || !PySequence_Check(reg))
post("py/pyext - Internal error: Registry not found!?");
else {
int cnt = PySequence_Size(reg);
for(int i = 0; i < cnt; ++i) {
PyObject *it = PySequence_GetItem(reg,i); // new reference
if(!it || !PyInt_Check(it)) {
post("py/pyext - Internal error: Corrupt registry?!");
}
else {
pybase *th = (pybase *)PyInt_AsLong(it);
th->module = module;
th->dict = dict;
th->Reload();
}
Py_XDECREF(it);
}
}
}
}
#endif
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