+
+def install_mbr(target):
+ """Install a default master boot record on given target"""
+ print("TODO")
+
+ # Command logic (all executed *without* mounted device):
+ # lilo -S /dev/null -M /dev/usb-sdb ext
+ # lilo -S /dev/null -A /dev/usb-sdb 1
+ # cat /usr/lib/syslinux/mbr.bin > /dev/usb-sdb
+ # syslinux -d boot/isolinux /dev/usb-sdb1
+
+def loopback_mount(iso, target):
+ """Loopback mount specified ISO on given target"""
+
+ print("mount -o loop %s %s") % (iso, target)
+
+
+def check_for_vat(partition):
+ """Check whether specified partition is VFAT/FAT16 filesystem"""
+
+ try:
+ udev_info = subprocess.Popen(["/lib/udev/vol_id", "-t",
+ partition],stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ filesystem = udev_info.communicate()[0].rstrip()
+
+ if udev_info.returncode == 2:
+ print("failed to read device %s - wrong UID / permissions?") % partition
+ return 1
+
+ if filesystem != "vfat":
+ return(1)
+
+ # TODO: check for ID_FS_VERSION=FAT16 as well?
+
+ except OSError:
+ print("Sorry, /lib/udev/vol_id not available.")
+ return 1
+
+def mkdir(directory):
+ """Simple wrapper around os.makedirs to get shell mkdir -p behaviour"""
+ if not os.path.isdir(directory):
+ try:
+ os.makedirs(directory)
+ except OSError:
+ pass
+
+
+def copy_grml_files(grml_flavour, iso_mount, target):
+ """Copy files from ISO on given target"""
+
+ # TODO:
+ # * provide alternative search_file() if file information is stored in a config.ini file?
+ # * catch "install: .. No space left on device" & CO
+ # * abstract copy logic to make the code shorter?
+
+ squashfs = search_file(grml_flavour + '.squashfs', iso_mount)
+ squashfs_target = target + '/live/'
+ mkdir(squashfs_target)
+
+ # use install(1) for now to make sure we can write the files afterwards as normal user as well
+ print("debug: copy squashfs to %s") % target + '/live/' + grml_flavour + '.squashfs'
+ subprocess.Popen(["install", "--mode=664", squashfs, squashfs_target + grml_flavour + ".squashfs"])
+
+ filesystem_module = search_file('filesystem.module', iso_mount)
+ print("debug: copy filesystem.module to %s") % squashfs_target + grml_flavour + '.module'
+ subprocess.Popen(["install", "--mode=664", filesystem_module, squashfs_target + grml_flavour + '.module'])
+
+ release_target = target + '/boot/release/' + grml_flavour
+ mkdir(release_target)
+
+ kernel = search_file('linux26', iso_mount)
+ print("debug: copy kernel to %s") % release_target + '/linux26'
+ subprocess.Popen(["install", "--mode=664", kernel, release_target + '/linux26'])
+
+ initrd = search_file('initrd.gz', iso_mount)
+ print("debug: copy initrd to %s") % release_target + '/initrd.gz'
+ subprocess.Popen(["install", "--mode=664", initrd, release_target + '/initrd.gz'])
+
+ isolinux_target = target + '/boot/isolinux/'
+ mkdir(isolinux_target)
+
+ logo = search_file('logo.16', iso_mount)
+ print("debug: copy logo.16 to %s") % isolinux_target + 'logo.16'
+ subprocess.Popen(["install", "--mode=664", logo, isolinux_target + 'logo.16'])
+
+ for file in 'f2', 'f3', 'f4', 'f5', 'f6', 'f7', 'f8', 'f9', 'f10':
+ bootsplash = search_file(file, iso_mount)
+ print("debug: copy %s to %s") % (bootsplash, isolinux_target + file)
+ subprocess.Popen(["install", "--mode=664", bootsplash, isolinux_target + file])
+
+ grub_target = target + '/boot/grub/'
+ mkdir(grub_target)
+
+ print("debug: copy grub/splash.xpm.gz to %s") % grub_target + 'splash.xpm.gz'
+ subprocess.Popen(["install", "--mode=664", 'grub/splash.xpm.gz', grub_target + 'splash.xpm.gz'])
+
+ print("debug: copy grub/stage2_eltorito to %s") % grub_target + 'stage2_eltorito'
+ subprocess.Popen(["install", "--mode=664", 'grub/stage2_eltorito', grub_target + 'stage2_eltorito'])
+
+ print("debug: generating grub configuration %s") % grub_target + 'menu.lst'
+ grub_config_file = open(grub_target + 'menu.lst', 'w')
+ grub_config_file.write(generate_grub_config(grml_flavour))
+ grub_config_file.close( )
+
+ syslinux_target = target + '/boot/isolinux/'
+ mkdir(syslinux_target)
+
+ print("debug: generating syslinux configuration %s") % syslinux_target + 'syslinux.cfg'
+ syslinux_config_file = open(syslinux_target + 'syslinux.cfg', 'w')
+ syslinux_config_file.write(generate_syslinux_config(grml_flavour))
+ syslinux_config_file.close( )
+
+ print("debug: generating isolinux/syslinux splash %s") % syslinux_target + 'boot.msg'
+ isolinux_splash = open(syslinux_target + 'boot.msg', 'w')
+ isolinux_splash.write(generate_isolinux_splash(grml_flavour))
+ isolinux_splash.close( )
+
+
+def uninstall_files(device):
+ """Get rid of all grml files on specified device"""
+
+ print("TODO")
+
+
+def identify_grml_flavour(mountpath):
+ """Get name of grml flavour"""
+
+ version_file = search_file('grml-version', mountpath)
+ file = open(version_file, 'r')
+ grml_info = file.readline()
+ file.close
+ grml_flavour = re.match(r'[\w-]*', grml_info).group()
+ return grml_flavour
+