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/*
py/pyext - python script 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.
*/
#ifndef __PYBASE_H
#define __PYBASE_H
#include "main.h"
#include "pysymbol.h"
#include "pybuffer.h"
#include "pybundle.h"
class pybase
: public flext
{
public:
pybase();
virtual ~pybase();
void Exit();
static PyObject *MakePyArgs(const t_symbol *s,int argc,const t_atom *argv,int inlet = -1);
static PyObject *MakePyArg(const t_symbol *s,int argc,const t_atom *argv);
static const t_symbol *GetPyArgs(AtomList &lst,PyObject *pValue,int offs = 0);
static const t_symbol *GetPyAtom(AtomList &lst,PyObject *pValue);
static void lib_setup();
protected:
virtual void DumpOut(const t_symbol *sym,int argc,const t_atom *argv) = 0;
void m__dir(PyObject *obj);
void m__doc(PyObject *obj);
void m_dir() { m__dir(module); }
void mg_dir(AtomList &lst) { m__dir(module); }
void m_doc() { m__doc(dict); }
std::string modname; // module name
PyObject *module,*dict; // object module and associated dictionary
static const char *py_doc;
void GetDir(PyObject *obj,AtomList &lst);
AtomList args;
void AddCurrentPath(flext_base *o);
void SetArgs();
bool OutObject(flext_base *ext,int o,PyObject *obj);
// reload module and all connected objects
void Reload();
bool ImportModule(const char *name);
void UnimportModule();
bool ReloadModule();
// Get module registry
PyObject *GetRegistry(const char *regname);
// Set module registry
void SetRegistry(const char *regname,PyObject *reg);
// Register object
void Register(PyObject *reg);
// Unregister object
void Unregister(PyObject *reg);
virtual void LoadModule() = 0;
virtual void UnloadModule() = 0;
virtual void Load() = 0;
virtual void Unload() = 0;
void OpenEditor();
void Respond(bool b)
{
if(respond) {
t_atom a;
SetBool(a,b);
DumpOut(sym_response,1,&a);
}
}
void Report() { while(PyErr_Occurred()) PyErr_Print(); }
static bool IsAnything(const t_symbol *s) { return s && s != sym_float && s != sym_int && s != sym_symbol && s != sym_list && s != sym_pointer; }
static bool IsAtom(const t_symbol *s) { return s == sym_float || s == sym_int || s == sym_symbol || s == sym_pointer; }
// enum retval { nothing,atom,sequ };
// --- module stuff -----
static PyObject *module_obj,*module_dict;
static PyObject *builtins_obj,*builtins_dict;
static PyMethodDef func_tbl[];
static PyObject *py__doc__(PyObject *,PyObject *args);
static PyObject *py_send(PyObject *,PyObject *args);
#ifdef FLEXT_THREADS
static PyObject *py_priority(PyObject *,PyObject *args);
#endif
static PyObject *py_arraysupport(PyObject *,PyObject *args);
static PyObject *py_samplerate(PyObject *,PyObject *args);
static PyObject *py_blocksize(PyObject *,PyObject *args);
#if FLEXT_SYS == FLEXT_SYS_PD
static PyObject *py_getvalue(PyObject *,PyObject *args);
static PyObject *py_setvalue(PyObject *,PyObject *args);
#endif
static PyObject *py_list(PyObject *,PyObject *args);
static PyObject *py_tuple(PyObject *,PyObject *args);
// ----thread stuff ------------
virtual void m_stop(int argc,const t_atom *argv);
bool respond;
#ifdef FLEXT_THREADS
int thrcount;
bool shouldexit;
int stoptick;
Timer stoptmr;
void tick(void *);
#endif
int detach;
bool pymsg;
bool gencall(PyObject *fun,PyObject *args);
bool docall(PyObject *fun,PyObject *args)
{
callpy(fun,args);
if(PyErr_Occurred()) {
exchandle();
return false;
}
else
return true;
}
virtual void callpy(PyObject *fun,PyObject *args) = 0;
void exchandle();
static bool collect();
protected:
#ifdef FLEXT_THREADS
static void thrworker(thr_params *data);
bool qucall(PyObject *fun,PyObject *args)
{
FifoEl *el = qufifo.New();
el->Set(this,fun,args);
qufifo.Put(el);
qucond.Signal();
return true;
}
static void quworker(thr_params *);
void erasethreads();
static PyFifo qufifo;
static ThrCond qucond;
static PyThreadState *pythrsys;
#endif
static const t_symbol *sym_fint; // float or int symbol, depending on native number message type
static const t_symbol *sym_response;
static const t_symbol *getone(t_atom &at,PyObject *arg);
static const t_symbol *getlist(t_atom *lst,PyObject *seq,int cnt,int offs = 0);
public:
static void AddToPath(const char *dir);
#ifdef FLEXT_THREADS
static PyThreadState *FindThreadState();
static void FreeThreadState();
// this is especially needed when one py/pyext object calls another one
// we don't want the message to be queued, but otoh we have to avoid deadlock
// (recursive calls can only happen in the system thread)
static int lockcount;
static PyThreadState *PyLock(PyThreadState *st = FindThreadState())
{
if(!IsSystemThread() || !lockcount++) PyEval_AcquireLock();
return PyThreadState_Swap(st);
}
static PyThreadState *PyLockSys()
{
if(!lockcount++) PyEval_AcquireLock();
return PyThreadState_Swap(pythrsys);
}
static void PyUnlock(PyThreadState *st)
{
PyThreadState *old = PyThreadState_Swap(st);
if(old != pythrsys || !--lockcount) PyEval_ReleaseLock();
}
#else
static PyThreadState *PyLock(PyThreadState * = NULL) { return NULL; }
static PyThreadState *PyLockSys() { return NULL; }
static void PyUnlock(PyThreadState *st) {}
#endif
static PyObject* StdOut_Write(PyObject* Self, PyObject* Args);
};
#endif
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