def create_uefi_usb(self, disk):
"""
Create the partition table on a usb, to make it bootable.
:param disk: USB device name.
:return:
"""
self.log.debug(f"parted: create_legacy_usb: disk:{disk}")
self.init_disk(disk, "msdos")
geometry = parted.Geometry(device=self.device, start=2048, end=206849)
partition = parted.Partition(disk=self.pdisk,
type=parted.PARTITION_NORMAL,
geometry=geometry)
self.pdisk.addPartition(
partition=partition,
constraint=self.device.optimalAlignedConstraint)
partition.setFlag(parted.PARTITION_BOOT)
partition.setFlag(parted.PARTITION_ESP)
geometry = parted.Geometry(device=self.device,
start=206850,
length=self.device.getLength() - 206850)
partition = parted.Partition(disk=self.pdisk,
type=parted.PARTITION_NORMAL,
geometry=geometry)
self.pdisk.addPartition(
partition=partition,
constraint=self.device.optimalAlignedConstraint)
self.pdisk.commit()
self.device.removeFromCache()
def create_partition(disk, part, ptype, fslabel, size_in_sectors,
current_sector):
# pylint: disable=too-many-arguments
sector_size = 512
if part.text("size") == "remain" and disk.type == "gpt":
sz = size_in_sectors - 35 - current_sector
elif part.text("size") == "remain":
sz = size_in_sectors - current_sector
else:
sz = size_to_int(part.text("size")) / sector_size
g = parted.Geometry(device=disk.device, start=current_sector, length=sz)
if ptype != parted.PARTITION_EXTENDED and \
part.text("label") in fslabel and \
fslabel[part.text("label")].fstype == "vfat":
fs = simple_fstype("fat32")
ppart = parted.Partition(disk, ptype, fs, geometry=g)
if disk.type != "gpt":
ppart.setFlag(_ped.PARTITION_LBA)
else:
ppart = parted.Partition(disk, ptype, geometry=g)
cons = parted.Constraint(exactGeom=g)
disk.addPartition(ppart, cons)
if part.has("bootable"):
ppart.setFlag(_ped.PARTITION_BOOT)
if part.has("biosgrub"):
ppart.setFlag(_ped.PARTITION_BIOS_GRUB)
return ppart
def create_partition(self, start, end, type, hints):
drvsectors = self.drive.get_length()
if self.disk is None:
self.disk = self.drive.disk_open()
if self.disk is None:
raise RuntimeError, "drive has no partition table"
if "primary" in hints:
if self.primarynum > 4:
raise RuntimeError, "out of primary partitions"
if self.isext:
raise RuntimeError, "cannot create primary partition after extended partition"
partnum = self.primarynum
self.primarynum = self.primarynum + 1
parttypecode = parted.PED_PARTITION_PRIMARY
else:
if not self.isext:
if self.primarynum > 4:
raise RuntimeError, "out of slots for extended partition"
self.disk.add_partition(
parted.Partition(self.disk,
parted.PED_PARTITION_EXTENDED,
None, start, drvsectors - 1))
self.primarynum = self.primarynum + 1
self.isext = 1
partnum = self.extnum
self.extnum = self.extnum + 1
parttypecode = parted.PED_PARTITION_LOGICAL
drvnewpart = parted.Partition(self.disk, parttypecode, type,
start, end)
self.disk.add_partition(drvnewpart)
partdevice = "%s%d" % (self.drive.get_path(), partnum)
return partdevice
def runTest(self):
# Check that not passing args to parted.Partition.__init__ is caught.
with self.assertRaises((parted.PartitionException,)):
parted.Partition()
self.assertIsInstance(self.part, parted.Partition)
# You don't need to pass a filesystem type at all, since this partition
# might be FREESPACE or METADATA.
part_nofs = parted.Partition(self.disk, parted.PARTITION_NORMAL,
geometry=self.geom)
self.assertIsInstance(part_nofs, parted.Partition)
def shrinkpart(part, size):
dsk = part.disk
dev = dsk.device
print('Resizing partition...')
# Create a new geometry
newgeo = parted.Geometry(start=part.geometry.start,
length=parted.sizeToSectors(
shrink_to, 'B', dev.sectorSize),
device=dev)
logging.DEBUG(newgeo.__str__())
# Create a new partition with our new geometry
newpart = parted.Partition(disk=dsk,
type=parted.PARTITION_NORMAL,
geometry=newgeo)
# Create a constraint that aligns our new geometry with the optimal alignment of the disk
constraint = parted.Constraint(maxGeom=newgeo).intersect(
dev.optimalAlignedConstraint)
dsk.deletePartition(part)
dsk.addPartition(partition=newpart, constraint=constraint)
try:
dsk.commit()
except:
pass
return (newgeo.end + 1) * dev.sectorSize
def partitionAdd(self,
disk,
free,
align=None,
length=None,
fs_type=None,
type=parted.PARTITION_NORMAL):
start = free.start
if length:
end = start + length - 1
else:
end = free.end
length = free.end - start + 1
if not align:
align = disk.partitionAlignment.intersect(
disk.device.optimumAlignment)
if not align.isAligned(free, start):
start = align.alignNearest(free, start)
end_align = parted.Alignment(offset=align.offset - 1,
grainSize=align.grainSize)
if not end_align.isAligned(free, end):
end = end_align.alignNearest(free, end)
geometry = parted.Geometry(disk.device, start=start, end=end)
if fs_type:
fs = parted.FileSystem(type=fs_type, geometry=geometry)
else:
fs = None
partition = parted.Partition(disk, type=type, geometry=geometry, fs=fs)
constraint = parted.Constraint(exactGeom=partition.geometry)
disk.addPartition(partition, constraint)
return partition
def add_partition(self, start, end, ptype=None):
""" Add a partition to the disklabel.
:param int start: start sector
:param int end: end sector
:param ptype: partition type or None
:type ptype: int (parted partition type constant) or NoneType
Partition type will default to either PARTITION_NORMAL or
PARTITION_LOGICAL, depending on whether the start sector is within
an extended partition.
"""
if ptype is None:
extended = self.extended_partition
if extended and extended.geometry.contains(start):
ptype = parted.PARTITION_LOGICAL
else:
ptype = parted.PARTITION_NORMAL
geometry = parted.Geometry(device=self.parted_device,
start=start, end=end)
new_partition = parted.Partition(disk=self.parted_disk,
type=ptype,
geometry=geometry)
constraint = parted.Constraint(exactGeom=geometry)
self.parted_disk.addPartition(partition=new_partition,
constraint=constraint)
def partition(self):
"""
Create a partition table on the block device.
The newly created partition will have the following characteristics:
- a primary partition using 100% of the device capacity
- optimal alignment given the disk topology information
- a MS-DOS disk label for simple BIOS booting on PC-type hardware
- marked as bootable
"""
self.logger.info('creating primary partition')
device = parted.getDevice(self.path)
self.logger.debug('created %s', device)
disk = parted.freshDisk(device, 'msdos')
self.logger.debug('created %s', disk)
geometry = parted.Geometry(device=device,
start=1,
length=device.getLength() - 1)
self.logger.debug('created %s', geometry)
filesystem = parted.FileSystem(type='ext3', geometry=geometry)
self.logger.debug('created %s', filesystem)
partition = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
fs=filesystem,
geometry=geometry)
self.logger.debug('created %s', partition)
disk.addPartition(partition=partition,
constraint=device.optimalAlignedConstraint)
partition.setFlag(parted.PARTITION_BOOT)
disk.commit()
def mkfakediskimg(disk_img):
"""Create a fake partitioned disk image
:param disk_img: Full path to a partitioned disk image
:type disk_img: str
:returns: True if it was successful, False if something went wrong
Include /boot, swap, and / partitions with fake kernel and /etc/passwd
"""
try:
mksparse(disk_img, 42 * 1024**2)
# Make a /boot, / and swap partitions on it
dev = parted.getDevice(disk_img)
disk = parted.freshDisk(dev, "gpt")
# (start, length, flags, name)
for start, length, flags, name in [
( 1024**2, 1024**2, None, "boot"),
(2*1024**2, 2*1024**2, parted.PARTITION_SWAP, "swap"),
(4*1024**2, 38*1024**2, None, "root")]:
geo = parted.Geometry(device=dev, start=start//dev.sectorSize, length=length//dev.sectorSize)
part = parted.Partition(disk=disk, type=parted.PARTITION_NORMAL, geometry=geo)
part.getPedPartition().set_name(name)
disk.addPartition(partition=part)
if flags:
part.setFlag(flags)
disk.commit()
os.sync()
except parted.PartedException:
return False
# Mount the disk's partitions
loop_devs = kpartx_disk_img(disk_img)
try:
# Format the partitions
runcmd(["mkfs.ext4", "/dev/mapper/" + loop_devs[0][0]])
runcmd(["mkswap", "/dev/mapper/" + loop_devs[1][0]])
runcmd(["mkfs.ext4", "/dev/mapper/" + loop_devs[2][0]])
# Mount the boot partition and make a fake kernel and initrd
boot_mnt = mount("/dev/mapper/" + loop_devs[0][0])
try:
mkfakebootdir(boot_mnt)
finally:
umount(boot_mnt)
# Mount the / partition and make a fake / filesystem with /etc/passwd
root_mnt = mount("/dev/mapper/" + loop_devs[2][0])
try:
mkfakerootdir(root_mnt)
finally:
umount(root_mnt)
except Exception:
return False
finally:
# Remove the disk's mounted partitions
runcmd(["kpartx", "-d", "-s", disk_img])
return True
def getExtendedPartition(self):
"""Return the extended Partition, if any, on this Disk."""
try:
return parted.Partition(disk=self, PedPartition=self.__disk.extended_partition())
# pylint: disable=bare-except
except:
return None
def create_partition(diskob, part_type, geom):
#A lot of this is similar to Anaconda, but customized to fit our needs
nstart = geom.start
nend = geom.end
# Just in case you try to create partition larger than disk.
# This case should be caught in the frontend!
# Never let user specify a length exceeding the free space.
if nend > diskob.device.length - 1:
nend = diskob.device.length - 1
nalign = diskob.partitionAlignment
if not nalign.isAligned(geom, nstart):
nstart = nalign.alignNearest(geom, nstart)
if not nalign.isAligned(geom, nend):
nstart = nalign.alignNearest(geom, nend)
if part_type == 1:
nstart += nalign.grainSize
ngeom = parted.Geometry(device=diskob.device, start=nstart, end=nend)
if diskob.maxPartitionLength < ngeom.length:
print('Partition is too large!')
sys.exit(1)
npartition = parted.Partition(disk=diskob,
type=part_type,
geometry=ngeom,
fs=fs)
nconstraint = parted.Constraint(exactGeom=ngeom)
ncont = diskob.addPartition(partition=npartition, constraint=nconstraint)
def create_partition(diskob, part_type, geom):
# A lot of this is similar to Anaconda, but customized to fit our needs
nstart = geom.start
nend = geom.end
if nstart < 2048:
nstart = 2048
# Just in case you try to create partition larger than disk.
# This case should be caught in the frontend!
# Never let user specify a length exceeding the free space.
if nend > diskob.device.length - 1:
nend = diskob.device.length - 1
nalign = diskob.partitionAlignment
if not nalign.isAligned(geom, nstart):
nstart = nalign.alignNearest(geom, nstart)
if not nalign.isAligned(geom, nend):
nend = nalign.alignDown(geom, nend)
if part_type == 1:
nstart += nalign.grainSize
mingeom = parted.Geometry(device=diskob.device, start=nstart, end=nend-1)
maxgeom = parted.Geometry(device=diskob.device, start=nstart, end=nend)
if diskob.maxPartitionLength < maxgeom.length:
txt = _('Partition is too large!')
logging.error(txt)
debugtxt = ("%s\n%s" % (txt, err))
show.error(debugtxt)
return None
else:
npartition = parted.Partition(disk=diskob, type=part_type, geometry=maxgeom)
nconstraint = parted.Constraint(minGeom=mingeom, maxGeom=maxgeom)
ncont = diskob.addPartition(partition=npartition, constraint=nconstraint)
return npartition
def shrinkpart(part, size):
dsk = part.disk
dev = dsk.device
print('Resizing partition...')
# Create a new geometry
newgeo = parted.Geometry(start=part.geometry.start,
length=parted.sizeToSectors(
size, 'B', dev.sectorSize),
device=dev)
# logging.DEBUG(newgeo.__str__())
# Create a new partition with our new geometry
newpart = parted.Partition(disk=dsk,
type=parted.PARTITION_NORMAL,
geometry=newgeo)
# Create a constraint that aligns our new geometry with the optimal alignment of the disk
constraint = parted.Constraint(maxGeom=newgeo).intersect(
dev.optimalAlignedConstraint)
dsk.deletePartition(part)
dsk.addPartition(partition=newpart, constraint=constraint)
# This exception gets raised even though dsk.commit() seems to do its job just fine.
# I am definitely not a fan of doing this, but so be it.
try:
dsk.commit()
except parted._ped.IOException:
pass
return (newgeo.end + 1) * dev.sectorSize
def putGeom(self, limPartList):
#Write the disk geometry information
#Template code @ https://bitbucket.org/rbistolfi/vinstall/wiki/pyparted
disk = parted.freshDisk(self.dev, "msdos")
for lpar in limPartList:
if lpar.parttype != 'artificial':
#TODO: should check that the geometry is within the disk
g = parted.Geometry(device=self.dev,
start=lpar.start,
end=lpar.end)
fs = parted.FileSystem(type=lpar.fstype, geometry=g)
#TODO: eventually we should be able to handle logical/extended
#partitions - right now it's primary only
ptype = parted.PARTITION_NORMAL
if lpar.parttype != 'primary':
raise errors.partError(lpar.parttype)
p = parted.Partition(disk=disk, fs=fs, type=ptype, geometry=g)
c = parted.Constraint(exactGeom=g)
disk.addPartition(partition=p, constraint=c)
setFlags(p, lpar.flags)
disk.commit()
#refresh the OS's view of the disk
support.partprobe(self.node)
#put file systems onto the new partitions
for lpar in limPartList:
if lpar.parttype != 'artificial':
support.mkfs(lpar.composeNode(self.node), lpar.fstype)
def apply(self, disk, simulate):
""" Create a partition with the given type... """
try:
if not disk:
raise RuntimeError("Cannot create partition on empty disk!")
length = parted.sizeToSectors(self.size, 'B',
disk.device.sectorSize)
geom = parted.Geometry(device=self.device,
start=self.part_offset,
length=length)
# Don't run off the end of the disk ...
geom_cmp = self.get_all_remaining_geom(disk, disk.device,
self.part_offset)
if geom_cmp.length < geom.length or geom.length < 0:
geom = geom_cmp
if "LVM" in self.fstype:
fs = None
else:
fs = parted.FileSystem(type=self.fstype, geometry=geom)
p = parted.Partition(disk=disk,
type=self.ptype,
fs=fs,
geometry=geom)
disk.addPartition(p, parted.Constraint(device=self.device))
self.part = p
self.part_end = self.part_offset + length
except Exception as e:
self.set_errors(e)
return False
return True
def getPartitionBySector(self, sector):
"""Returns the Partition that contains the sector. If the sector
lies within a logical partition, then the logical partition is
returned (not the extended partition)."""
return parted.Partition(
disk=self,
PedPartition=self.__disk.get_partition_by_sector(sector))
def setUp(self):
super(PartitionGPTNewTestCase, self).setUp()
self.geom = parted.Geometry(self.device, start=100, length=100)
self.fs = parted.FileSystem(type='ext2', geometry=self.geom)
self.part = parted.Partition(self.disk,
parted.PARTITION_NORMAL,
geometry=self.geom,
fs=self.fs)
def nextPartition(self):
"""Return the Partition following this one on the Disk."""
partition = self.disk.getPedDisk().next_partition(self.__partition)
if partition is None:
return None
else:
return parted.Partition(disk=self.disk, PedPartition=partition)
def runTest(self):
self.disk.setFlag(parted.DISK_CYLINDER_ALIGNMENT)
length = 100
geom = parted.Geometry(self.device, start=100, length=length)
part = parted.Partition(self.disk, parted.PARTITION_NORMAL, geometry=geom)
constraint = parted.Constraint(exactGeom=geom)
self.assertTrue(self.disk.addPartition(part, constraint))
def raw_format(device_path, fstype, volume_label):
do_umount(device_path)
# First erase MBR and partition table , if any
os.system("dd if=/dev/zero of=%s bs=512 count=1 >/dev/null 2>&1" %
device_path)
device = parted.getDevice(device_path)
# Create a default partition set up
disk = parted.freshDisk(device, 'msdos')
disk.commit()
regions = disk.getFreeSpaceRegions()
if len(regions) > 0:
#print "Build partition"
# Define size
region = regions[-1]
start = parted.sizeToSectors(1, "MiB", device.sectorSize)
#print "start %s" % start
end = device.getLength() - start - 1024
#print end
# Alignment
#cylinder = device.endSectorToCylinder(end)
#end = device.endCylinderToSector(cylinder)
#print end
try:
geometry = parted.Geometry(device=device, start=start, end=end)
except:
print "Geometry error - Can't create partition"
sys.exit(5)
# fstype
fs = parted.FileSystem(type=fstype, geometry=geometry)
# Create partition
partition = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
geometry=geometry,
fs=fs)
constraint = parted.Constraint(exactGeom=geometry)
disk.addPartition(partition=partition, constraint=constraint)
disk.commit()
# Format partition according to the fstype specified
if fstype == "fat32":
os.system("mkdosfs -F 32 -n \"%s\" %s >/dev/null 2>&1" %
(volume_label, partition.path))
if fstype == "ntfs":
os.system("mkntfs -f -L \"%s\" %s >/dev/null 2>&1" %
(volume_label, partition.path))
elif fstype == "ext4":
os.system("mkfs.ext4 -L \"%s\" %s >/dev/null 2>&1" %
(volume_label, partition.path))
sys.exit(0)
def createpartition(self, device, disk, start, end, type):
''' Create a single partition of the specified type and size and add
it to the disk object, using the parted module.
'''
geo = parted.Geometry(device=device, start=start, end=end)
fs = parted.FileSystem(type=type, geometry=geo)
part = parted.Partition(disk=disk, fs=fs, type=parted.PARTITION_NORMAL,
geometry=geo)
constraint = parted.Constraint(exactGeom=geo)
disk.addPartition(partition=part, constraint=constraint)
def runTest(self):
length = 100
geom = parted.Geometry(self.device, start=100, length=length)
part = parted.Partition(self.disk, parted.PARTITION_NORMAL, geometry=geom)
constraint = parted.Constraint(exactGeom=geom)
self.disk.addPartition(part, constraint)
self.disk.commit()
part = self.disk.partitions[0]
self.assertEqual(part.getLength(), part.geometry.length)
self.assertEqual(part.getLength(), length)
def __make_root__(device, start=config["ROOT"]["START"],
end=config["ROOT"]["END"], fs=config["ROOT"]["fs"]):
"""Make root partition"""
# __parted__(device, ["mkpart", name, fs, str(start), str(end)])
size = sectors_to_size(device.length, device.sectorSize)
try:
if start[-1] == "%":
start = int(start[:-1]) / 100
start = int(size * start)
except TypeError:
pass
try:
if end[-1] == "%":
end = int(end[:-1]) / 100
end = int(size * end)
except TypeError:
pass
disk = parted.Disk(device)
start_geo = parted.geometry.Geometry(device=device,
start=parted.sizeToSectors(common.real_number(start - 20),
"MB",
device.sectorSize),
end=parted.sizeToSectors(start + 20,
"MB",
device.sectorSize))
end_geo = parted.geometry.Geometry(device=device,
start=parted.sizeToSectors(common.real_number(end - 40),
"MB",
device.sectorSize),
end=parted.sizeToSectors(end, "MB",
device.sectorSize))
min_size = parted.sizeToSectors(common.real_number((end - start) - 150), "MB",
device.sectorSize)
max_size = parted.sizeToSectors(common.real_number((end - start) + 150), "MB",
device.sectorSize)
const = parted.Constraint(startAlign=device.optimumAlignment,
endAlign=device.optimumAlignment,
startRange=start_geo, endRange=end_geo,
minSize=min_size,
maxSize=max_size)
geometry = parted.geometry.Geometry(start=parted.sizeToSectors(start, "MB",
device.sectorSize),
length=parted.sizeToSectors((end - start),
"MB",
device.sectorSize),
device=device)
new_part = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
geometry=geometry)
disk.addPartition(partition=new_part, constraint=const)
disk.commit()
time.sleep(0.1)
__mkfs__(new_part.path, fs)
return new_part.path
def create_partitioning(device):
"""Returns a suitable partitioning (a disk) of the given
device. You must specify device path (e.g. "/dev/sda"). Note that
no changes will be made to the device. To write the partition to
device use commit."""
disk = parted.freshDisk(device, 'gpt')
geometries = _compute_geometries(device)
# Create ESP
esp = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
fs=parted.FileSystem(type='fat32',
geometry=geometries['esp']),
geometry=geometries['esp'])
esp.setFlag(parted.PARTITION_BOOT)
disk.addPartition(partition=esp,
constraint=device.optimalAlignedConstraint)
# Create Data partition
data = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
fs=parted.FileSystem(type='ext4',
geometry=geometries['data']),
geometry=geometries['data'])
disk.addPartition(partition=data,
constraint=device.optimalAlignedConstraint)
# Create system.a partition
systemA = parted.Partition(
disk=disk,
type=parted.PARTITION_NORMAL,
fs=parted.FileSystem(type='ext4', geometry=geometries['systemA']),
geometry=geometries['systemA'])
disk.addPartition(partition=systemA,
constraint=device.optimalAlignedConstraint)
# Create system.b partition
systemB = parted.Partition(
disk=disk,
type=parted.PARTITION_NORMAL,
fs=parted.FileSystem(type='ext4', geometry=geometries['systemB']),
geometry=geometries['systemB'])
disk.addPartition(partition=systemB,
constraint=device.optimalAlignedConstraint)
return (disk)
def partition(self, offset, size, name=None, is_bootable=False):
"""Add a new partition in the image file.
The newly added partition will be appended to the existing partition
table on the image as defined by the volume schema. This is all done
by pyparted. Please note that libparted has no means of changing the
partition type GUID directly (this can only be done by setting
partition flags) so this has to be done separately after *all*
partitions have been added. The commit() operation also clobbers the
hybrid MBR in GPT labels so be sure to first perform partitioning and
only afterwards attempting copy operations.
:param offset: Offset (start position) of the partition in bytes.
:type offset: int
:param size: Size of partition in bytes.
:type size: int
:param name: Name of the partition.
:type name: str
:param is_bootable: Toggle if the bootable flag should be set.
:type name: bool
"""
# When defining geometries for our partitions we can't use the pyparted
# parted.sizeToSectors() function as it actually rounds down the sizes
# instead of rounding up, which means you might end up not having
# enough sectors for a partition's contents (LP: #1661298).
if self.device is None:
raise TypeError('No schema for device partition')
geometry = parted.Geometry(
device=self.device,
start=ceil(offset / self.sector_size),
length=ceil(size / self.sector_size))
partition = parted.Partition(
disk=self.disk,
type=parted.PARTITION_NORMAL,
geometry=geometry)
# Force an exact geometry constraint as otherwise libparted tries to be
# too smart and changes our geometry itself.
constraint = parted.Constraint(exactGeom=geometry)
self.disk.addPartition(partition, constraint)
# XXX: Sadly the current pyparted bindings do not export a setter for
# the partition name (LP: #1661297). To work-around this we need to
# reach out to the internal PedPartition object of the partition to
# call the set_name() function. We also follow the same guideline as
# before - for mbr labels we just ignore the name as it's not
# supported.
if name and self.schema is not VolumeSchema.mbr:
partition._Partition__partition.set_name(name)
if is_bootable:
partition.setFlag(parted.PARTITION_BOOT)
# Save all the partition changes so far to disk.
self.disk.commit()
def particion_pri(sdb, disk, size, tipo, fin):
geometry1 = parted.Geometry(start=fin,
length=parted.sizeToSectors(
size, 'MiB', sdb.sectorSize),
device=sdb)
filesystem1 = parted.FileSystem(type=tipo, geometry=geometry1)
partition1 = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
fs=filesystem1,
geometry=geometry1)
disk.addPartition(partition1, constraint=sdb.optimalAlignedConstraint)
disk.commit()
return partition1.geometry.end
def getFreeSpacePartitions(self):
"""Return a list of Partition objects representing the available
free space regions on this Disk."""
freespace = []
part = self.__disk.next_partition()
while part:
if part.type & parted.PARTITION_FREESPACE:
freespace.append(parted.Partition(disk=self, PedPartition=part))
part = self.__disk.next_partition(part)
return freespace
def revertRepartition(device, partition, deltastart, deltaend, unit='MiB'):
dev = parted.getDevice(device)
disk = parted.newDisk(dev)
targetPartition = disk.getPartitionByPath(device + partition)
geometry = targetPartition.geometry
geometry.start += parted.sizeToSectors(deltastart, unit, dev.sectorSize)
geometry.end += parted.sizeToSectors(deltaend, unit, dev.sectorSize)
disk.deletePartition(targetPartition)
partition = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
geometry=geometry)
disk.addPartition(partition=partition,
constraint=dev.optimalAlignedConstraint)
disk.commit()
def create_partition(disk: parted.Disk, start, end, fscode, fstype=None):
log.info(f'Creating partition ({start}-{end}) type {fscode}')
geometry = parted.Geometry(device=disk.device, start=start, end=end)
new_partition = parted.Partition(disk=disk,
type=parted.PARTITION_NORMAL,
fs=parted.FileSystem(type=fscode,
geometry=geometry),
geometry=geometry)
if not disk.addPartition(partition=new_partition,
constraint=parted.Constraint(exactGeom=geometry)):
die(f'Creating partition failed')
disk.commit()
if fstype:
sh(f'mkfs.{fstype}', new_partition.path)
def bolumOlustur(self, alan, bolumTur):
if bolumTur == parted.PARTITION_NORMAL or bolumTur == parted.PARTITION_EXTENDED:
for bosBolum in self.disk.getFreeSpacePartitions():
_bolum = self.bolumBilgi(bosBolum, "GB")
if _bolum["tur"] == parted.PARTITION_FREESPACE:
maksBoyut = float(_bolum["boyut"])
elif bolumTur == bolumTur == parted.PARTITION_LOGICAL:
for bosBolum in self.disk.getFreeSpacePartitions():
_bolum = self.bolumBilgi(bosBolum, "GB")
if _bolum["tur"] == 5:
maksBoyut = float(_bolum["boyut"])
alignment = self.aygit.optimalAlignedConstraint
constraint = self.aygit.getConstraint()
data = {
'start': constraint.startAlign.alignUp(alan, alan.start),
'end': constraint.endAlign.alignDown(alan, alan.end),
}
boyut, ok = QInputDialog().getDouble(self,
'Bölüm oluştur',
'GB cinsinden boyut:',
min=0.001,
value=1,
max=maksBoyut,
decimals=3)
if ok:
data["end"] = int(data["start"]) + int(
parted.sizeToSectors(float(boyut), "GiB",
self.aygit.sectorSize))
try:
geometry = parted.Geometry(device=self.aygit,
start=int(data["start"]),
end=int(data["end"]))
partition = parted.Partition(
disk=self.disk,
type=bolumTur,
geometry=geometry,
)
self.disk.addPartition(partition=partition,
constraint=constraint)
except (parted.PartitionException, parted.GeometryException,
parted.CreateException) as e:
# GeometryException accounts for incorrect start/end values (e.g. start < end),
# CreateException is raised e.g. when the partition doesn't fit on the disk.
# PartedException is a generic error (e.g. start/end values out of range)
raise RuntimeError(e.message)
