static PyObject *print_devices(PyObject *self, PyObject *args) {
/* allocates memory for the various internal structure
that are going to be used to print device information */
size_t index;
size_t devices_s;
struct device_t *device;
struct device_t *devices;
/* retrieves the complete set of available printing
devices and then iterates over them to print their
currently set values and settings */
pdevices(&devices, &devices_s);
for(index = 0; index < devices_s; index++) {
device = &devices[index];
printf("%s\n", device->name);
}
/* releases the memory that was allocated for the
device structures sequence (avoids memory leak) */
free(devices);
/* returns an invalid value to the caller method/function
as this function should not return anything */
Py_RETURN_NONE;
}
static PyObject *get_devices(PyObject *self, PyObject *args) {
/* allocates memory for the various internal structure
that are going to be used to retrieve device information */
size_t index;
size_t devices_s;
PyObject *element;
PyObject *item;
struct device_t *device;
struct device_t *devices;
PyObject *result = PyList_New(0);
/* retrieves the complete set of available printing
devices and then iterates over them to convert their
internal structure into dictionaries to be returned */
pdevices(&devices, &devices_s);
for(index = 0; index < devices_s; index++) {
device = &devices[index];
element = PyDict_New();
item = PyString_Decode(
device->name,
device->name_s,
"utf-8",
NULL
);
PyDict_SetItemString(element, "name", item);
item = PyBool_FromLong((long) device->is_default);
PyDict_SetItemString(element, "is_default", item);
item = PyString_Decode(
device->media,
device->media_s,
"utf-8",
NULL
);
PyDict_SetItemString(element, "media", item);
item = PyFloat_FromDouble((double) device->width);
PyDict_SetItemString(element, "width", item);
item = PyFloat_FromDouble((double) device->length);
PyDict_SetItemString(element, "length", item);
PyList_Append(result, element);
}
/* releases the memory that was allocated for the
device structures sequence (avoids memory leak) */
free(devices);
/* returns the list that has been constructed for the
values that are going to be returned to the caller */
return result;
}
void print_devices() {
/* allocates memory for the various internal structure
that are going to be used to print device information */
size_t index;
size_t devices_s;
struct device_t *device;
struct device_t *devices;
/* retrieves the complete set of available printing
devices and then iterates over them to print their
currently set values and settings */
pdevices(&devices, &devices_s);
for(index = 0; index < devices_s; index++) {
device = &devices[index];
printf("%s\n", device->name);
}
/* releases the memory that was allocated for the
device structures sequence (avoids memory leak) */
free(devices);
}
