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/*
py/pyext - python external object for PD and MaxMSP
Copyright (c)2002-2005 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.
*/
#include "main.h"
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);
}
}
}
}
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