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#!/usr/bin/python
#
# imported from project Mintstick, by Clement Lefebvre
#
# Copyright (C) 2013 THE isodumper'S COPYRIGHT HOLDER
# This file is distributed under the same license as the isodumper package.
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License as
# published by the Free Software Foundation; either version 2 of the
# License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software Foundation,
# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA.
#
# Author isodumper software= papoteur <papoteur@mageialinux-online.org>
import os, sys
import getopt
import parted
from subprocess import call
sys.path.append('/usr/lib/isodumper')
def do_umount(target):
mounts = get_mounted(target)
if mounts:
print('Unmounting all partitions of '+target+':')
for mount in mounts:
print('Trying to unmount '+mount[0]+'...')
try:
retcode = call('umount '+mount[0], shell=True)
if retcode < 0:
print('Error, umount '+mount[0]+' was terminated by signal '+str(retcode))
sys.exit(6)
else:
if retcode == 0:
print(mount[0]+' successfully unmounted')
else:
print('Error, umount '+mount[0]+' returned '+str(retcode))
sys.exit(6)
except OSError as e:
print('Execution failed: '+str(e))
sys.exit(6)
def get_mounted(target):
try:
lines = [line.strip("\n").split(" ") for line in open ("/etc/mtab", "r").readlines()]
return [mount for mount in lines if mount[0].startswith(target)]
except:
print('Could not read mtab !')
sys.exit(6)
def raw_format(device_path, fstype, volume_label, uid, gid):
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')
try:
disk.commit()
except:
# Unable to write the new partition
print("Can't create partition. The device could be read-only.")
sys.exit(5)
regions = disk.getFreeSpaceRegions()
if len(regions) > 0:
#print "Build partition"
# Define size
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 -E root_owner=%s:%s -L \"%s\" %s >/dev/null 2>&1" % (uid, gid, volume_label, partition.path))
sys.exit(0)
def main():
# parse command line options
try:
opts, args = getopt.getopt(sys.argv[1:], "hd:f:l:u:g:", ["help", "device=","filesystem=","label=","uid=","gid="])
except getopt.error as msg:
print(msg)
print("for help use --help")
sys.exit(2)
for o, a in opts:
if o in ("-h", "--help"):
print("Usage: %s -d device -f filesystem -l volume_label\n" % sys.argv[0])
print("-d|--device : device path")
print("-f|--filesystem : filesystem\n")
print("-l|--label : volume label\n")
print("-u|--uid : uid of user\n")
print("-g|--gid : gid of user\n")
print("Example : %s -d /dev/sdj -f fat32 -l \"USB Stick\" -u 1000 -g 1000" % sys.argv[0])
sys.exit(0)
elif o in ("-d"):
device = a
elif o in ("-f"):
if a not in [ "fat32", "ntfs", "ext4" ]:
print("Specify fat32, ntfs or ext4")
sys.exit(3)
fstype = a
elif o in ("-l"):
label = a
elif o in ("-u"):
uid = a
elif o in ("-g"):
gid = a
argc = len(sys.argv)
if argc < 11:
print("Too few arguments")
print("for help use --help")
exit(2)
raw_format(device, fstype, label, uid, gid)
if __name__ == "__main__":
main()
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