1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
|
/*
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"
static PyObject *MakePyAtom(const t_atom &at)
{
if(flext::IsSymbol(at))
return pySymbol_FromSymbol(flext::GetSymbol(at));
else if(flext::CanbeInt(at) || flext::CanbeFloat(at)) {
// if a number can be an integer... let at be an integer!
int ival = flext::GetAInt(at);
double fval = flext::GetAFloat(at);
return (double)ival == fval?PyInt_FromLong(ival):PyFloat_FromDouble(fval);
}
// else if(flext::IsPointer(at)) return NULL; // not handled
/*
// these following should never happen
else if(flext::IsFloat(at)) return PyFloat_FromDouble((double)flext::GetFloat(at));
else if(flext::IsInt(at)) return PyInt_FromLong(flext::GetInt(at));
*/
return NULL;
}
PyObject *pybase::MakePyArgs(const t_symbol *s,int argc,const t_atom *argv,int inlet,bool withself)
{
PyObject *pArgs;
/*
if(!s && args.Count() == 1) {
pArgs = MakePyAtom(args[0]);
if(!pArgs)
post("py/pyext: cannot convert argument(s)");
}
else
*/
{
bool any = IsAnything(s);
pArgs = PyTuple_New(argc+(any?1:0)+(inlet >= 0?1:0));
int pix = 0;
if(inlet >= 0)
PyTuple_SetItem(pArgs, pix++, PyInt_FromLong(inlet));
int ix;
PyObject *tmp;
// if(!withself || argc < (any?1:2))
tmp = pArgs,ix = pix;
// else
// tmp = PyTuple_New(argc+(any?1:0)),ix = 0;
if(any)
PyTuple_SET_ITEM(tmp, ix++, pySymbol_FromSymbol(s));
for(int i = 0; i < argc; ++i) {
PyObject *pValue = MakePyAtom(argv[i]);
if(!pValue) {
post("py/pyext: cannot convert argument %i",any?i+1:i);
continue;
}
/* pValue reference stolen here: */
PyTuple_SET_ITEM(tmp, ix++, pValue);
}
if(tmp != pArgs) {
PyTuple_SET_ITEM(pArgs, pix++, tmp);
#if PY_VERSION_HEX >= 0x02020000
_PyTuple_Resize(&pArgs,pix);
#else
_PyTuple_Resize(&pArgs,pix,0);
#endif
}
}
return pArgs;
}
bool pybase::GetPyArgs(AtomList &lst,PyObject *pValue,int offs,PyObject **self)
{
if(pValue == NULL) return false;
// analyze return value or tuple
int rargc = 0;
bool ok = true;
retval tp = nothing;
if(PyString_Check(pValue)) {
rargc = 1;
tp = atom;
}
else if(PySequence_Check(pValue)) {
rargc = PySequence_Size(pValue);
tp = sequ;
}
else if(pValue != Py_None) {
rargc = 1;
tp = atom;
}
// else
// Py_DECREF(pValue);
lst(offs+rargc);
for(int ix = 0; ix < rargc; ++ix) {
PyObject *arg;
if(tp == sequ)
arg = PySequence_GetItem(pValue,ix); // new reference
else
arg = pValue;
t_atom &at = lst[offs+ix];
if(PyInt_Check(arg)) SetInt(at,PyInt_AsLong(arg));
else if(PyLong_Check(arg)) SetInt(at,PyLong_AsLong(arg));
else if(PyFloat_Check(arg)) SetFloat(at,(float)PyFloat_AsDouble(arg));
else if(pySymbol_Check(arg)) SetSymbol(at,pySymbol_AS_SYMBOL(arg));
else if(PyString_Check(arg)) SetString(at,PyString_AS_STRING(arg));
else if(ix == 0 && self && PyInstance_Check(arg)) {
// assumed to be self ... that should be checked _somehow_ !!!
Py_INCREF(arg);
*self = arg;
}
else {
PyObject *tp = PyObject_Type(arg);
PyObject *stp = tp?PyObject_Str(tp):NULL;
char *tmp = "";
if(stp) tmp = PyString_AS_STRING(stp);
post("py/pyext: Could not convert argument %s",tmp);
Py_XDECREF(stp);
Py_XDECREF(tp);
ok = false;
}
if(tp == sequ)
Py_DECREF(arg);
}
return ok;
}
|
