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python-libfdisk
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context: add size_unit getset 

Size unit can be get or set using 'size_unit' context member.

>>> for pa in cxt.partitions:
...     cxt.partition_to_string(pa, fdisk.FDISK_FIELD_SIZE)
...
'114.6G'
>>> cxt.size_unit
0
>>> cxt.size_unit == fdisk.FDISK_SIZEUNIT_HUMAN
True
>>> cxt.size_unit = fdisk.FDISK_SIZEUNIT_BYTES
>>> for pa in cxt.partitions:
...     cxt.partition_to_string(pa, fdisk.FDISK_FIELD_SIZE)
...
'123010531328'

Use fdisk_get_size_unit to get size unit value.
https://cdn.kernel.org/pub/linux/utils/util-linux/v2.34/libfdisk-docs/libfdisk-Context.html#fdisk-get-size-unit

Use fdisk_set_size_unit to set size unit value.
https://cdn.kernel.org/pub/linux/utils/util-linux/v2.34/libfdisk-docs/libfdisk-Context.html#fdisk-set-size-unit
master
Jose M. Guisado Gomez 2022-06-07 16:18:15 +02:00
parent ba67cc7a7b
commit 0747a84d1c
1 changed files with 30 additions and 0 deletions
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30
context.c
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@ -182,6 +182,35 @@ static PyObject *Context_get_partitions(ContextObject *self)
return list;
}
static PyObject *Context_get_size_unit(ContextObject *self)
{
return PyLong_FromLong(fdisk_get_size_unit(self->cxt));
}
static int Context_set_size_unit(ContextObject *self, PyObject *value, void *closure)
{
int cval, ret;
if (value == NULL) {
PyErr_SetString(PyExc_TypeError,
"Cannot set unit size: null size type");
return -1;
}
if (!PyLong_Check(value)) {
PyErr_SetString(PyExc_TypeError,
"Cannot set unit size: invalid size type");
return -1;
}
cval = (int) PyLong_AsLong(value);
if (fdisk_set_size_unit(self->cxt, cval) < 0) {
PyErr_SetString(PyExc_TypeError,
"Cannot set unit size: invalid size type value");
return -1;
}
return 0;
}
static PyGetSetDef Context_getseters[] = {
{"nsectors", (getter)Context_get_nsectors, NULL, "context number of sectors", NULL},
{"sector_size", (getter)Context_get_sector_size, NULL, "context sector size", NULL},
@ -189,6 +218,7 @@ static PyGetSetDef Context_getseters[] = {
{"label", (getter)Context_get_label, NULL, "context label type", NULL},
{"nparts", (getter)Context_get_nparts, NULL, "context label number of existing partitions", NULL},
{"partitions", (getter)Context_get_partitions, NULL, "context partitions", NULL},
{"size_unit", (getter)Context_get_size_unit, (setter)Context_set_size_unit, "context unit size", NULL},
{NULL}
};