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Diffstat (limited to 'externals/grill/py/source/py.cpp')
| -rw-r--r-- | externals/grill/py/source/py.cpp | 419 |
1 files changed, 0 insertions, 419 deletions
diff --git a/externals/grill/py/source/py.cpp b/externals/grill/py/source/py.cpp deleted file mode 100644 index 1745ad74..00000000 --- a/externals/grill/py/source/py.cpp +++ /dev/null @@ -1,419 +0,0 @@ -/* -py/pyext - python script object for PD and Max/MSP - -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" - -class pyobj - : public pybase - , public flext_base -{ - FLEXT_HEADER_S(pyobj,flext_base,Setup) - -public: - pyobj(int argc,const t_atom *argv); - ~pyobj(); - -protected: - virtual void Exit(); - - virtual bool CbMethodResort(int n,const t_symbol *s,int argc,const t_atom *argv); - virtual void CbClick(); - - void m_help(); - - void m_reload() { Reload(); } - void m_reload_(int argc,const t_atom *argv) { args(argc,argv); Reload(); } - void m_set(int argc,const t_atom *argv); - void m_dir_() { m__dir(function); } - void m_doc_() { m__doc(function); } - - const t_symbol *funname; - PyObject *function; - bool withfunction; - - virtual void LoadModule(); - virtual void UnloadModule(); - - virtual void Load(); - virtual void Unload(); - - bool SetFunction(const t_symbol *func); - bool ResetFunction(); - - virtual void DumpOut(const t_symbol *sym,int argc,const t_atom *argv); - - PyObject **objects; - -private: - - virtual void callpy(PyObject *fun,PyObject *args); - - static void Setup(t_classid c); - - FLEXT_CALLBACK(m_help) - FLEXT_CALLBACK(m_reload) - FLEXT_CALLBACK_V(m_reload_) - FLEXT_CALLBACK_V(m_set) - FLEXT_CALLBACK(m_dir_) - FLEXT_CALLBACK(m_doc_) - - // callbacks - FLEXT_ATTRVAR_I(detach) - FLEXT_ATTRVAR_B(pymsg) - FLEXT_ATTRVAR_B(respond) - - FLEXT_CALLBACK_V(m_stop) - FLEXT_CALLBACK(m_dir) - FLEXT_CALLGET_V(mg_dir) - FLEXT_CALLBACK(m_doc) - - FLEXT_CALLBACK(CbClick) - -#ifdef FLEXT_THREADS - FLEXT_CALLBACK_T(tick) -#endif -}; - -FLEXT_LIB_V("py",pyobj) - - -void pyobj::Setup(t_classid c) -{ - FLEXT_CADDMETHOD_(c,0,"doc",m_doc); - FLEXT_CADDMETHOD_(c,0,"dir",m_dir); -#ifdef FLEXT_THREADS - FLEXT_CADDATTR_VAR1(c,"detach",detach); - FLEXT_CADDMETHOD_(c,0,"stop",m_stop); -#endif - - FLEXT_CADDMETHOD_(c,0,"help",m_help); - FLEXT_CADDMETHOD_(c,0,"reload",m_reload_); - FLEXT_CADDMETHOD_(c,0,"reload.",m_reload); - FLEXT_CADDMETHOD_(c,0,"doc+",m_doc_); - FLEXT_CADDMETHOD_(c,0,"dir+",m_dir_); - - FLEXT_CADDMETHOD_(c,0,"set",m_set); - - FLEXT_CADDMETHOD_(c,0,"edit",CbClick); - - FLEXT_CADDATTR_VAR1(c,"py",pymsg); - FLEXT_CADDATTR_VAR1(c,"respond",respond); -} - -pyobj::pyobj(int argc,const t_atom *argv) - : funname(NULL) - , function(NULL) - , withfunction(false) - , objects(NULL) -{ -#ifdef FLEXT_THREADS - FLEXT_ADDTIMER(stoptmr,tick); -#endif - - ThrState state = PyLockSys(); - - int inlets; - if(argc && CanbeInt(*argv)) { - inlets = GetAInt(*argv); - if(inlets < 0) inlets = 1; - argv++,argc--; - } - else - // -1 signals non-explicit definition - inlets = -1; - - if(inlets >= 1) { - objects = new PyObject *[inlets]; - for(int i = 0; i < inlets; ++i) { objects[i] = Py_None; Py_INCREF(Py_None); } - } - - AddInAnything(1+(inlets < 0?1:inlets)); - AddOutAnything(); - - const t_symbol *funnm = NULL; - - // init script module - if(argc) { - AddCurrentPath(this); - - const char *sn = GetAString(*argv); - argv++,argc--; - - if(sn) { - char modnm[64]; - strcpy(modnm,sn); - - char *pt = strrchr(modnm,'.'); // search for last dot - if(pt && *pt) { - funnm = MakeSymbol(pt+1); - *pt = 0; - } - - if(*modnm) - ImportModule(modnm); - else - ImportModule(NULL); - } - else - PyErr_SetString(PyExc_ValueError,"Invalid module name"); - } - - Register(GetRegistry(REGNAME)); - - if(funnm || argc) { - if(!funnm) { - funnm = GetASymbol(*argv); - argv++,argc--; - } - - if(funnm) - SetFunction(funnm); - else - PyErr_SetString(PyExc_ValueError,"Invalid function name"); - } - - if(argc) args(argc,argv); - - Report(); - - PyUnlock(state); -} - -pyobj::~pyobj() -{ - ThrState state = PyLockSys(); - if(objects) { - for(int i = 0; i < CntIn()-1; ++i) Py_DECREF(objects[i]); - delete[] objects; - } - - Unregister(GetRegistry(REGNAME)); - Report(); - PyUnlock(state); -} - -void pyobj::Exit() -{ - pybase::Exit(); - flext_base::Exit(); -} - -void pyobj::m_set(int argc,const t_atom *argv) -{ - ThrState state = PyLockSys(); - - // function name has precedence - if(argc >= 2) { - const char *sn = GetAString(*argv); - ++argv,--argc; - - if(sn) { -// if(!module || !strcmp(sn,PyModule_GetName(module))) - { - ImportModule(sn); - Register(GetRegistry(REGNAME)); - } - } - else - PyErr_SetString(PyExc_ValueError,"Invalid module name"); - } - - if(argc) { - const t_symbol *fn = GetASymbol(*argv); - if(fn) - SetFunction(fn); - else - PyErr_SetString(PyExc_ValueError,"Invalid function name"); - } - - Report(); - - PyUnlock(state); -} - -void pyobj::m_help() -{ - post(""); - post("%s %s - python script object, (C)2002-2008 Thomas Grill",thisName(),PY__VERSION); -#ifdef FLEXT_DEBUG - post("DEBUG VERSION, compiled on " __DATE__ " " __TIME__); -#endif - - post("Arguments: %s [script name] [function name] {args...}",thisName()); - - post("Inlet 1:messages to control the py object"); - post(" 2:call python function with message as argument(s)"); - post("Outlet: 1:return values from python function"); - post("Methods:"); - post("\thelp: shows this help"); - post("\tbang: call script without arguments"); - post("\tset [script name] [function name]: set (script and) function name"); - post("\treload {args...}: reload python script"); - post("\treload. : reload with former arguments"); - post("\tdoc: display module doc string"); - post("\tdoc+: display function doc string"); - post("\tdir: dump module dictionary"); - post("\tdir+: dump function dictionary"); -#ifdef FLEXT_THREADS - post("\tdetach 0/1/2: detach threads"); - post("\tstop {wait time (ms)}: stop threads"); -#endif - post(""); -} - -bool pyobj::ResetFunction() -{ - // function was borrowed from dict! - function = NULL; - - if(!dict) - post("%s - No namespace available",thisName()); - else { - if(funname) { - function = PyDict_GetItemString(dict,(char *)GetString(funname)); // borrowed!!! - - if(!function && dict == module_dict) - // search also in __builtins__ - function = PyDict_GetItemString(builtins_dict,(char *)GetString(funname)); // borrowed!!! - - if(!function) - PyErr_SetString(PyExc_AttributeError,"Function not found"); - else if(!PyCallable_Check(function)) { - function = NULL; - PyErr_SetString(PyExc_TypeError,"Attribute is not callable"); - } - } - } - - // exception could be set here - return function != NULL; -} - -bool pyobj::SetFunction(const t_symbol *func) -{ - if(func) { - funname = func; - withfunction = ResetFunction(); - } - else { - function = NULL,funname = NULL; - withfunction = false; - } - - // exception could be set here - return withfunction; -} - - -void pyobj::LoadModule() -{ - SetFunction(funname); -} - -void pyobj::UnloadModule() -{ -} - -void pyobj::Load() -{ - ResetFunction(); -} - -void pyobj::Unload() -{ -// SetFunction(NULL); - function = NULL; // just clear the PyObject, not the function name -} - -void pyobj::callpy(PyObject *fun,PyObject *args) -{ - PyObject *ret = PyObject_CallObject(fun,args); - if(ret) { - OutObject(this,0,ret); // exception might be raised here - Py_DECREF(ret); - } -} - -bool pyobj::CbMethodResort(int n,const t_symbol *s,int argc,const t_atom *argv) -{ - if(n == 0 && s != sym_bang) - return flext_base::CbMethodResort(n,s,argc,argv); - - ThrState state = PyLockSys(); - - bool ret = false; - - if(objects && n >= 1) { - // store args - PyObject *&obj = objects[n-1]; - Py_DECREF(obj); - obj = MakePyArg(s,argc,argv); // steal reference - - if(n > 1) ret = true; // just store, don't trigger - } - - if(!ret) { - if(withfunction) { - if(function) { - Py_INCREF(function); - - PyObject *pargs; - - if(objects || CntIn() == 1) { - int inlets = CntIn()-1; - pargs = PyTuple_New(inlets); - for(int i = 0; i < inlets; ++i) { - Py_INCREF(objects[i]); - PyTuple_SET_ITEM(pargs,i,objects[i]); - } - } - else - // construct tuple from args - // if n == 0, it's a pure bang - pargs = MakePyArgs(n?s:NULL,argc,argv); - - gencall(function,pargs); // references are stolen - ret = true; - } - else - PyErr_SetString(PyExc_RuntimeError,"No function set"); - } - else if(module) { - // no function defined as creation argument -> use message tag - if(s) { - PyObject *func = PyObject_GetAttrString(module,const_cast<char *>(GetString(s))); - if(func) { - PyObject *pargs = MakePyArgs(sym_list,argc,argv); - gencall(func,pargs); - ret = true; - } - } - else - PyErr_SetString(PyExc_RuntimeError,"No function set"); - } - - Report(); - } - - PyUnlock(state); - - Respond(ret); - - return ret; -} - -void pyobj::CbClick() { pybase::OpenEditor(); } - -void pyobj::DumpOut(const t_symbol *sym,int argc,const t_atom *argv) -{ - ToOutAnything(GetOutAttr(),sym?sym:thisTag(),argc,argv); -} |