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Make pysane Python3-compatible

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Sandro Mani 2012-12-23 19:04:46 +01:00 committed by Brian Crowell
parent 67a131a9e1
commit e84cc92036
1 changed files with 47 additions and 11 deletions
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58
Sane/_sane.c
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@ -28,6 +28,12 @@ PERFORMANCE OF THIS SOFTWARE.
#include <sys/time.h> #include <sys/time.h>
#if PY_MAJOR_VERSION >= 3
#define PyInt_AsLong PyLong_AsLong
#define PyInt_FromLong PyLong_FromLong
#define PyInt_Check PyLong_Check
#endif
static PyObject *ErrorObject; static PyObject *ErrorObject;
typedef struct { typedef struct {
@ -237,7 +243,7 @@ SaneDev_get_options(SaneDevObject *self, PyObject *args)
constraint=PyList_New(0); constraint=PyList_New(0);
for(j=0; d->constraint.string_list[j]!=NULL; j++) for(j=0; d->constraint.string_list[j]!=NULL; j++)
PyList_Append(constraint, PyList_Append(constraint,
PyString_FromString(d->constraint.string_list[j])); PyBytes_FromString(d->constraint.string_list[j]));
break; break;
} }
value=Py_BuildValue("isssiiiiO", i, d->name, d->title, d->desc, value=Py_BuildValue("isssiiiiO", i, d->name, d->title, d->desc,
@ -349,13 +355,13 @@ SaneDev_set_option(SaneDevObject *self, PyObject *args)
*( (SANE_Fixed*)v) = SANE_FIX(PyFloat_AsDouble(value)); *( (SANE_Fixed*)v) = SANE_FIX(PyFloat_AsDouble(value));
break; break;
case(SANE_TYPE_STRING): case(SANE_TYPE_STRING):
if (!PyString_Check(value)) if (!PyBytes_Check(value))
{ {
PyErr_SetString(PyExc_TypeError, "SANE_STRING requires a string"); PyErr_SetString(PyExc_TypeError, "SANE_STRING requires a string");
free(v); free(v);
return NULL; return NULL;
} }
strncpy(v, PyString_AsString(value), d->size-1); strncpy(v, PyBytes_AsString(value), d->size-1);
((char*)v)[d->size-1] = 0; ((char*)v)[d->size-1] = 0;
break; break;
case(SANE_TYPE_BUTTON): case(SANE_TYPE_BUTTON):
@ -1165,8 +1171,8 @@ PySane_exit(PyObject *self, PyObject *args)
static PyObject * static PyObject *
PySane_get_devices(PyObject *self, PyObject *args) PySane_get_devices(PyObject *self, PyObject *args)
{ {
SANE_Device **devlist; const SANE_Device **devlist;
SANE_Device *dev; const SANE_Device *dev;
SANE_Status st; SANE_Status st;
PyObject *list; PyObject *list;
int local_only, i; int local_only, i;
@ -1176,7 +1182,9 @@ PySane_get_devices(PyObject *self, PyObject *args)
return NULL; return NULL;
} }
Py_BEGIN_ALLOW_THREADS
st=sane_get_devices(&devlist, local_only); st=sane_get_devices(&devlist, local_only);
Py_END_ALLOW_THREADS
if (st) return PySane_Error(st); if (st) return PySane_Error(st);
if (!(list = PyList_New(0))) if (!(list = PyList_New(0)))
return NULL; return NULL;
@ -1204,7 +1212,9 @@ PySane_open(PyObject *self, PyObject *args)
rv = newSaneDevObject(); rv = newSaneDevObject();
if ( rv == NULL ) if ( rv == NULL )
return NULL; return NULL;
Py_BEGIN_ALLOW_THREADS
st = sane_open(name, &(rv->h)); st = sane_open(name, &(rv->h));
Py_END_ALLOW_THREADS
if (st) if (st)
{ {
Py_DECREF(rv); Py_DECREF(rv);
@ -1261,17 +1271,40 @@ insint(PyObject *d, char *name, int value)
Py_DECREF(v); Py_DECREF(v);
} }
#if PY_MAJOR_VERSION >= 3
static struct PyModuleDef PySane_moduledef = {
PyModuleDef_HEAD_INIT,
"_sane",
NULL,
0,
PySane_methods,
NULL,
NULL,
NULL,
NULL
};
PyMODINIT_FUNC
PyInit__sane(void)
{
/* Create the module and add the functions */
PyObject *m = PyModule_Create(&PySane_moduledef);
if(!m)
return NULL;
#else /* if PY_MAJOR_VERSION < 3 */
PyMODINIT_FUNC PyMODINIT_FUNC
init_sane(void) init_sane(void)
{ {
PyObject *m, *d; /* Create the module and add the functions */
PyObject *m = Py_InitModule("_sane", PySane_methods);
/* Create the module and add the functions */ if(!m)
m = Py_InitModule("_sane", PySane_methods); return;
#endif
/* Add some symbolic constants to the module */ /* Add some symbolic constants to the module */
d = PyModule_GetDict(m); PyObject *d = PyModule_GetDict(m);
ErrorObject = PyString_FromString("_sane.error"); ErrorObject = PyBytes_FromString("_sane.error");
PyDict_SetItemString(d, "error", ErrorObject); PyDict_SetItemString(d, "error", ErrorObject);
insint(d, "INFO_INEXACT", SANE_INFO_INEXACT); insint(d, "INFO_INEXACT", SANE_INFO_INEXACT);
@ -1335,4 +1368,7 @@ init_sane(void)
NUMARRAY_IMPORTED = 1; NUMARRAY_IMPORTED = 1;
#endif /* WITH_NUMARRAY */ #endif /* WITH_NUMARRAY */
#if PY_MAJOR_VERSION >= 3
return m;
#endif
} }