code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/Harddisk.py

   1 from os import system, listdir, statvfs, popen, makedirs, stat, major, minor, path, access
   2 #       ikseong
   3 from Tools.Directories import SCOPE_HDD, resolveFilename, fileExists
   4
   5 from Tools.CList import CList
   6 from SystemInfo import SystemInfo
   7 import time
   8 from Components.Console import Console
   9
  10 def MajorMinor(path):
  11         rdev = stat(path).st_rdev
  12         return (major(rdev),minor(rdev))
  13
  14 def readFile(filename):
  15         file = open(filename)
  16         data = file.read().strip()
  17         file.close()
  18         return data
  19
  20 DEVTYPE_UDEV = 0
  21 DEVTYPE_DEVFS = 1
  22
  23 class Harddisk:
  24         def __init__(self, device):
  25                 self.device = device
  26
  27                 if access("/dev/.udev", 0):
  28                         self.type = DEVTYPE_UDEV
  29                 elif access("/dev/.devfsd", 0):
  30                         self.type = DEVTYPE_DEVFS
  31                 else:
  32                         print "Unable to determine structure of /dev"
  33
  34                 self.max_idle_time = 0
  35                 self.idle_running = False
  36                 self.timer = None
  37
  38                 self.dev_path = ''
  39                 self.disk_path = ''
  40                 self.phys_path = path.realpath(self.sysfsPath('device'))
  41
  42                 if self.type == DEVTYPE_UDEV:
  43                         self.dev_path = '/dev/' + self.device
  44                         self.disk_path = self.dev_path
  45
  46                 elif self.type == DEVTYPE_DEVFS:
  47                         tmp = readFile(self.sysfsPath('dev')).split(':')
  48                         s_major = int(tmp[0])
  49                         s_minor = int(tmp[1])
  50                         for disc in listdir("/dev/discs"):
  51                                 dev_path = path.realpath('/dev/discs/' + disc)
  52                                 disk_path = dev_path + '/disc'
  53                                 try:
  54                                         rdev = stat(disk_path).st_rdev
  55                                 except OSError:
  56                                         continue
  57                                 if s_major == major(rdev) and s_minor == minor(rdev):
  58                                         self.dev_path = dev_path
  59                                         self.disk_path = disk_path
  60                                         break
  61
  62                 print "new Harddisk", self.device, '->', self.dev_path, '->', self.disk_path
  63                 self.startIdle()
  64
  65         def __lt__(self, ob):
  66                 return self.device < ob.device
  67
  68         def partitionPath(self, n):
  69                 if self.type == DEVTYPE_UDEV:
  70                         return self.dev_path + n
  71                 elif self.type == DEVTYPE_DEVFS:
  72                         return self.dev_path + '/part' + n
  73
  74         def sysfsPath(self, filename):
  75                 return path.realpath('/sys/block/' + self.device + '/' + filename)
  76
  77         def stop(self):
  78                 if self.timer:
  79                         self.timer.stop()
  80                         self.timer.callback.remove(self.runIdle)
  81
  82         def bus(self):
  83                 # CF (7025 specific)
  84                 if self.type == DEVTYPE_UDEV:
  85                         ide_cf = False  # FIXME
  86                 elif self.type == DEVTYPE_DEVFS:
  87                         ide_cf = self.device[:2] == "hd" and "host0" not in self.dev_path
  88
  89                 internal = "pci" in self.phys_path
  90
  91                 if ide_cf:
  92                         ret = "External (CF)"
  93                 elif internal:
  94                         ret = "Internal"
  95                 else:
  96                         ret = "External"
  97                 return ret
  98
  99         def diskSize(self):
 100                 #       ikseong
 101                 try:
 102                         line = readFile(self.sysfsPath('size'))
 103                 except:
 104                         harddiskmanager.removeHotplugPartition(self.device)
 105                         print "error remove",self.device
 106                         return -1
 107                 try:
 108                         cap = int(line)
 109                 except:
 110                         return 0;
 111                 return cap / 1000 * 512 / 1000
 112
 113         def capacity(self):
 114                 cap = self.diskSize()
 115                 if cap == 0:
 116                         return ""
 117                 return "%d.%03d GB" % (cap/1000, cap%1000)
 118
 119         def model(self):
 120                 #       ikseong
 121                 try:
 122                         if self.device[:2] == "hd":
 123                                 return readFile('/proc/ide/' + self.device + '/model')
 124                         elif self.device[:2] == "sd":
 125                                 vendor = readFile(self.sysfsPath('device/vendor'))
 126                                 model = readFile(self.sysfsPath('device/model'))
 127                                 return vendor + '(' + model + ')'
 128                         else:
 129                                 assert False, "no hdX or sdX"
 130                 except:
 131                         harddiskmanager.removeHotplugPartition(self.device)
 132                         print "error remove",self.device
 133                         return -1
 134
 135         def free(self):
 136                 try:
 137                         mounts = open("/proc/mounts")
 138                 except IOError:
 139                         return -1
 140
 141                 lines = mounts.readlines()
 142                 mounts.close()
 143
 144                 for line in lines:
 145                         parts = line.strip().split(" ")
 146                         real_path = path.realpath(parts[0])
 147                         if not real_path[-1].isdigit():
 148                                 continue
 149                         try:
 150                                 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
 151                                         stat = statvfs(parts[1])
 152                                         return stat.f_bfree/1000 * stat.f_bsize/1000
 153                         except OSError:
 154                                 pass
 155                 return -1
 156
 157         def numPartitions(self):
 158                 numPart = -1
 159                 if self.type == DEVTYPE_UDEV:
 160                         try:
 161                                 devdir = listdir('/dev')
 162                         except OSError:
 163                                 return -1
 164                         for filename in devdir:
 165                                 if filename.startswith(self.device):
 166                                         numPart += 1
 167
 168                 elif self.type == DEVTYPE_DEVFS:
 169                         try:
 170                                 idedir = listdir(self.dev_path)
 171                         except OSError:
 172                                 return -1
 173                         for filename in idedir:
 174                                 if filename.startswith("disc"):
 175                                         numPart += 1
 176                                 if filename.startswith("part"):
 177                                         numPart += 1
 178                 return numPart
 179
 180         def unmount(self):
 181                 try:
 182                         mounts = open("/proc/mounts")
 183                 except IOError:
 184                         return -1
 185
 186                 lines = mounts.readlines()
 187                 mounts.close()
 188
 189                 cmd = "umount"
 190
 191                 for line in lines:
 192                         parts = line.strip().split(" ")
 193                         real_path = path.realpath(parts[0])
 194                         if not real_path[-1].isdigit():
 195                                 continue
 196                         try:
 197                                 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
 198                                         cmd = ' ' . join([cmd, parts[1]])
 199                                         break
 200                         except OSError:
 201                                 pass
 202
 203                 res = system(cmd)
 204                 return (res >> 8)
 205
 206         def createPartition(self):
 207                 cmd = 'printf "0,\n;\n;\n;\ny\n" | sfdisk -f ' + self.disk_path
 208                 res = system(cmd)
 209                 return (res >> 8)
 210
 211         def mkfs(self):
 212                 cmd = "mkfs.ext3 "
 213                 if self.diskSize() > 4 * 1024:
 214                         cmd += "-T largefile "
 215                 cmd += "-m0 -O dir_index " + self.partitionPath("1")
 216                 res = system(cmd)
 217                 return (res >> 8)
 218
 219         def mount(self):
 220                 try:
 221                         fstab = open("/etc/fstab")
 222                 except IOError:
 223                         return -1
 224
 225                 lines = fstab.readlines()
 226                 fstab.close()
 227
 228                 res = -1
 229                 for line in lines:
 230                         parts = line.strip().split(" ")
 231                         real_path = path.realpath(parts[0])
 232                         if not real_path[-1].isdigit():
 233                                 continue
 234                         try:
 235                                 if MajorMinor(real_path) == MajorMinor(self.partitionPath(real_path[-1])):
 236                                         cmd = "mount -t ext3 " + parts[0]
 237                                         res = system(cmd)
 238                                         break
 239                         except OSError:
 240                                 pass
 241
 242                 return (res >> 8)
 243
 244         def createMovieFolder(self):
 245 #       ikseong
 246                 try:
 247                         if not fileExists("/hdd", 0):
 248                                 print "not found /hdd"
 249                                 system("ln -s /media/hdd /hdd")
 250 #
 251                         makedirs(resolveFilename(SCOPE_HDD))
 252                 except OSError:
 253                         return -1
 254                 return 0
 255
 256         def fsck(self):
 257                 # We autocorrect any failures
 258                 # TODO: we could check if the fs is actually ext3
 259                 cmd = "fsck.ext3 -f -p " + self.partitionPath("1")
 260                 res = system(cmd)
 261                 return (res >> 8)
 262
 263         def killPartition(self, n):
 264                 part = self.partitionPath(n)
 265
 266                 if access(part, 0):
 267                         cmd = 'dd bs=512 count=3 if=/dev/zero of=' + part
 268                         res = system(cmd)
 269                 else:
 270                         res = 0
 271
 272                 return (res >> 8)
 273
 274         errorList = [ _("Everything is fine"), _("Creating partition failed"), _("Mkfs failed"), _("Mount failed"), _("Create movie folder failed"), _("Fsck failed"), _("Please Reboot"), _("Filesystem contains uncorrectable errors"), _("Unmount failed")]
 275
 276         def initialize(self):
 277                 self.unmount()
 278
 279                 # Udev tries to mount the partition immediately if there is an
 280                 # old filesystem on it when fdisk reloads the partition table.
 281                 # To prevent that, we overwrite the first 3 sectors of the
 282                 # partition, if the partition existed before. That's enough for
 283                 # ext3 at least.
 284                 self.killPartition("1")
 285
 286                 if self.createPartition() != 0:
 287                         return -1
 288
 289                 if self.mkfs() != 0:
 290                         return -2
 291
 292                 if self.mount() != 0:
 293                         return -3
 294
 295                 if self.createMovieFolder() != 0:
 296                         return -4
 297
 298                 return 0
 299
 300         def check(self):
 301                 self.unmount()
 302
 303                 res = self.fsck()
 304                 if res & 2 == 2:
 305                         return -6
 306
 307                 if res & 4 == 4:
 308                         return -7
 309
 310                 if res != 0 and res != 1:
 311                         # A sum containing 1 will also include a failure
 312                         return -5
 313
 314                 if self.mount() != 0:
 315                         return -3
 316
 317                 return 0
 318
 319         def getDeviceDir(self):
 320                 return self.dev_path
 321
 322         def getDeviceName(self):
 323                 return self.disk_path
 324
 325         # the HDD idle poll daemon.
 326         # as some harddrives have a buggy standby timer, we are doing this by hand here.
 327         # first, we disable the hardware timer. then, we check every now and then if
 328         # any access has been made to the disc. If there has been no access over a specifed time,
 329         # we set the hdd into standby.
 330         def readStats(self):
 331                 try:
 332                         l = open("/sys/block/%s/stat" % self.device).read()
 333                 except IOError:
 334                         return -1,-1
 335                 (nr_read, _, _, _, nr_write) = l.split()[:5]
 336                 return int(nr_read), int(nr_write)
 337
 338         def startIdle(self):
 339                 self.last_access = time.time()
 340                 self.last_stat = 0
 341                 self.is_sleeping = False
 342                 from enigma import eTimer
 343
 344                 # disable HDD standby timer
 345                 Console().ePopen(("hdparm", "hdparm", "-S0", self.disk_path))
 346                 self.timer = eTimer()
 347                 self.timer.callback.append(self.runIdle)
 348                 self.idle_running = True
 349                 self.setIdleTime(self.max_idle_time) # kick the idle polling loop
 350
 351         def runIdle(self):
 352                 if not self.max_idle_time:
 353                         return
 354                 t = time.time()
 355
 356                 idle_time = t - self.last_access
 357
 358                 stats = self.readStats()
 359                 #       ikseong
 360                 if stats == -1:
 361                         self.setIdleTime(0)
 362                         return
 363                 print "nr_read", stats[0], "nr_write", stats[1]
 364                 l = sum(stats)
 365                 print "sum", l, "prev_sum", self.last_stat
 366
 367                 if l != self.last_stat and l >= 0: # access
 368                         print "hdd was accessed since previous check!"
 369                         self.last_stat = l
 370                         self.last_access = t
 371                         idle_time = 0
 372                         self.is_sleeping = False
 373                 else:
 374                         print "hdd IDLE!"
 375
 376                 print "[IDLE]", idle_time, self.max_idle_time, self.is_sleeping
 377                 if idle_time >= self.max_idle_time and not self.is_sleeping:
 378                         self.setSleep()
 379                         self.is_sleeping = True
 380
 381         def setSleep(self):
 382                 Console().ePopen(("hdparm", "hdparm", "-y", self.disk_path))
 383
 384         def setIdleTime(self, idle):
 385                 self.max_idle_time = idle
 386                 if self.idle_running:
 387                         if not idle:
 388                                 self.timer.stop()
 389                         else:
 390                                 self.timer.start(idle * 100, False)  # poll 10 times per period.
 391
 392         def isSleeping(self):
 393                 return self.is_sleeping
 394
 395 class Partition:
 396         def __init__(self, mountpoint, device = None, description = "", force_mounted = False):
 397                 self.mountpoint = mountpoint
 398                 self.description = description
 399                 self.force_mounted = force_mounted
 400                 self.is_hotplug = force_mounted # so far; this might change.
 401                 self.device = device
 402
 403         def stat(self):
 404                 return statvfs(self.mountpoint)
 405
 406         def free(self):
 407                 try:
 408                         s = self.stat()
 409                         return s.f_bavail * s.f_bsize
 410                 except OSError:
 411                         return None
 412
 413         def total(self):
 414                 try:
 415                         s = self.stat()
 416                         return s.f_blocks * s.f_bsize
 417                 except OSError:
 418                         return None
 419
 420         def mounted(self):
 421                 # THANK YOU PYTHON FOR STRIPPING AWAY f_fsid.
 422                 # TODO: can os.path.ismount be used?
 423                 if self.force_mounted:
 424                         return True
 425
 426                 try:
 427                         mounts = open("/proc/mounts")
 428                 except IOError:
 429                         return False
 430
 431                 lines = mounts.readlines()
 432                 mounts.close()
 433
 434                 for line in lines:
 435                         if line.split(' ')[1] == self.mountpoint:
 436                                 return True
 437                 return False
 438
 439 DEVICEDB_SR = \
 440         {"dm8000":
 441                 {
 442                         "/devices/pci0000:01/0000:01:00.0/host0/target0:0:0/0:0:0:0": _("DVD Drive"),
 443                         "/devices/pci0000:01/0000:01:00.0/host1/target1:0:0/1:0:0:0": _("DVD Drive"),
 444                         "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/host3/target3:0:0/3:0:0:0": _("DVD Drive"),
 445                 },
 446         "dm800":
 447         {
 448         },
 449         "dm7025":
 450         {
 451         }
 452         }
 453
 454 DEVICEDB = \
 455         {"dm8000":
 456                 {
 457                         "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": _("Front USB Slot"),
 458                         "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.2/1-1.2:1.0": _("Back, upper USB Slot"),
 459                         "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.3/1-1.3:1.0": _("Back, lower USB Slot"),
 460                         "/devices/platform/brcm-ehci.0/usb1/1-1/1-1.1/1-1.1:1.0": _("Front USB Slot"),
 461                         "/devices/platform/brcm-ehci-1.1/usb2/2-1/2-1:1.0/": _("Internal USB Slot"),
 462                         "/devices/platform/brcm-ohci-1.1/usb4/4-1/4-1:1.0/": _("Internal USB Slot"),
 463                 },
 464         "dm800":
 465         {
 466                 "/devices/platform/brcm-ehci.0/usb1/1-2/1-2:1.0": "Upper USB Slot",
 467                 "/devices/platform/brcm-ehci.0/usb1/1-1/1-1:1.0": "Lower USB Slot",
 468         },
 469         "dm7025":
 470         {
 471                 "/devices/pci0000:00/0000:00:14.1/ide1/1.0": "CF Card Slot", #hdc
 472                 "/devices/pci0000:00/0000:00:14.1/ide0/0.0": "Internal Harddisk"
 473         }
 474         }
 475
 476 class HarddiskManager:
 477         def __init__(self):
 478                 self.hdd = [ ]
 479                 self.cd = ""
 480                 self.partitions = [ ]
 481                 self.devices_scanned_on_init = [ ]
 482
 483                 self.on_partition_list_change = CList()
 484
 485                 self.enumerateBlockDevices()
 486
 487                 # currently, this is just an enumeration of what's possible,
 488                 # this probably has to be changed to support automount stuff.
 489                 # still, if stuff is mounted into the correct mountpoints by
 490                 # external tools, everything is fine (until somebody inserts
 491                 # a second usb stick.)
 492                 p = [
 493                                         ("/media/hdd", _("Harddisk")),
 494                                         ("/media/card", _("Card")),
 495                                         ("/media/cf", _("Compact Flash")),
 496                                         ("/media/mmc1", _("MMC Card")),
 497                                         ("/media/net", _("Network Mount")),
 498                                         ("/media/ram", _("Ram Disk")),
 499                                         ("/media/usb", _("USB Stick")),
 500                                         ("/", _("Internal Flash"))
 501                                 ]
 502
 503                 self.partitions.extend([ Partition(mountpoint = x[0], description = x[1]) for x in p ])
 504
 505         def getBlockDevInfo(self, blockdev):
 506                 devpath = "/sys/block/" + blockdev
 507                 error = False
 508                 removable = False
 509                 blacklisted = False
 510                 is_cdrom = False
 511                 partitions = []
 512                 try:
 513                         removable = bool(int(readFile(devpath + "/removable")))
 514                         dev = int(readFile(devpath + "/dev").split(':')[0])
 515                         if dev in (7, 31): # loop, mtdblock
 516                                 blacklisted = True
 517                         if blockdev[0:2] == 'sr':
 518                                 is_cdrom = True
 519                         if blockdev[0:2] == 'hd':
 520                                 try:
 521                                         media = readFile("/proc/ide/%s/media" % blockdev)
 522                                         if "cdrom" in media:
 523                                                 is_cdrom = True
 524                                 except IOError:
 525                                         error = True
 526                         # check for partitions
 527                         if not is_cdrom:
 528                                 for partition in listdir(devpath):
 529                                         if partition[0:len(blockdev)] != blockdev:
 530                                                 continue
 531                                         partitions.append(partition)
 532                         else:
 533                                 self.cd = blockdev
 534                 except IOError:
 535                         error = True
 536                 # check for medium
 537                 medium_found = True
 538                 try:
 539                         open("/dev/" + blockdev).close()
 540                 except IOError, err:
 541                         if err.errno == 159: # no medium present
 542                                 medium_found = False
 543
 544                 return error, blacklisted, removable, is_cdrom, partitions, medium_found
 545
 546         def enumerateBlockDevices(self):
 547                 print "enumerating block devices..."
 548                 for blockdev in listdir("/sys/block"):
 549                         error, blacklisted, removable, is_cdrom, partitions, medium_found = self.addHotplugPartition(blockdev)
 550                         if not error and not blacklisted:
 551                                 if medium_found:
 552                                         for part in partitions:
 553                                                 self.addHotplugPartition(part)
 554                                 self.devices_scanned_on_init.append((blockdev, removable, is_cdrom, medium_found))
 555
 556         def getAutofsMountpoint(self, device):
 557                 return "/media/%s/" % (device)
 558
 559
 560         def is_hard_mounted(self, device):
 561                 mounts = file('/proc/mounts').read().split('\n')
 562                 for x in mounts:
 563                         if x.find('/autofs') == -1 and x.find(device) != -1:
 564                                 return True
 565                 return False
 566
 567         def addHotplugPartition(self, device, physdev = None):
 568                 if not physdev:
 569                         dev, part = self.splitDeviceName(device)
 570                         try:
 571                                 physdev = path.realpath('/sys/block/' + dev + '/device')[4:]
 572                         except OSError:
 573                                 physdev = dev
 574                                 print "couldn't determine blockdev physdev for device", device
 575
 576                 error, blacklisted, removable, is_cdrom, partitions, medium_found = self.getBlockDevInfo(device)
 577                 print "found block device '%s':" % device,
 578
 579                 if blacklisted:
 580                         print "blacklisted"
 581                 else:
 582                         if error:
 583                                 print "error querying properties"
 584                         elif not medium_found:
 585                                 print "no medium"
 586                         else:
 587                                 print "ok, removable=%s, cdrom=%s, partitions=%s" % (removable, is_cdrom, partitions)
 588
 589                         l = len(device)
 590                         if l:
 591                                 # see if this is a harddrive
 592                                 if not device[l-1].isdigit() and not removable and not is_cdrom:
 593                                         self.hdd.append(Harddisk(device))
 594                                         self.hdd.sort()
 595                                         SystemInfo["Harddisk"] = len(self.hdd) > 0
 596
 597                                 if (not removable or medium_found) and not self.is_hard_mounted(device):
 598                                         # device is the device name, without /dev
 599                                         # physdev is the physical device path, which we (might) use to determine the userfriendly name
 600                                         description = self.getUserfriendlyDeviceName(device, physdev)
 601                                         p = Partition(mountpoint = self.getAutofsMountpoint(device), description = description, force_mounted = True, device = device)
 602                                         self.partitions.append(p)
 603                                         self.on_partition_list_change("add", p)
 604
 605                 return error, blacklisted, removable, is_cdrom, partitions, medium_found
 606
 607         def removeHotplugPartition(self, device):
 608                 mountpoint = self.getAutofsMountpoint(device)
 609                 for x in self.partitions[:]:
 610                         if x.mountpoint == mountpoint:
 611                                 self.partitions.remove(x)
 612                                 self.on_partition_list_change("remove", x)
 613                 l = len(device)
 614                 if l and not device[l-1].isdigit():
 615                         for hdd in self.hdd:
 616                                 if hdd.device == device:
 617                                         hdd.stop()
 618                                         self.hdd.remove(hdd)
 619                                         break
 620                         SystemInfo["Harddisk"] = len(self.hdd) > 0
 621
 622         def HDDCount(self):
 623                 return len(self.hdd)
 624
 625         def HDDList(self):
 626                 list = [ ]
 627                 for hd in self.hdd:
 628                         #       ikseong
 629                         if hd.model() == -1:
 630                                 continue
 631                         hdd = hd.model() + " - " + hd.bus()
 632                         cap = hd.capacity()
 633                         if cap != "":
 634                                 hdd += " (" + cap + ")"
 635                         list.append((hdd, hd))
 636                 return list
 637
 638         def getCD(self):
 639                 return self.cd
 640
 641         def getMountedPartitions(self, onlyhotplug = False):
 642                 parts = [x for x in self.partitions if (x.is_hotplug or not onlyhotplug) and x.mounted()]
 643                 devs = set([x.device for x in parts])
 644                 for devname in devs.copy():
 645                         if not devname:
 646                                 continue
 647                         dev, part = self.splitDeviceName(devname)
 648                         if part and dev in devs: # if this is a partition and we still have the wholedisk, remove wholedisk
 649                                 devs.remove(dev)
 650
 651                 # return all devices which are not removed due to being a wholedisk when a partition exists
 652                 return [x for x in parts if not x.device or x.device in devs]
 653
 654         def splitDeviceName(self, devname):
 655                 # this works for: sdaX, hdaX, sr0 (which is in fact dev="sr0", part=""). It doesn't work for other names like mtdblock3, but they are blacklisted anyway.
 656                 dev = devname[:3]
 657                 part = devname[3:]
 658                 for p in part:
 659                         if not p.isdigit():
 660                                 return devname, 0
 661                 return dev, part and int(part) or 0
 662
 663         def getUserfriendlyDeviceName(self, dev, phys):
 664                 dev, part = self.splitDeviceName(dev)
 665                 description = "External Storage %s" % dev
 666                 have_model_descr = False
 667                 try:
 668                         description = readFile("/sys" + phys + "/model")
 669                         have_model_descr = True
 670                 except IOError, s:
 671                         print "couldn't read model: ", s
 672                 from Tools.HardwareInfo import HardwareInfo
 673                 if dev.find('sr') == 0 and dev[2].isdigit():
 674                         devicedb = DEVICEDB_SR
 675                 else:
 676                         devicedb = DEVICEDB
 677                 for physdevprefix, pdescription in devicedb.get(HardwareInfo().device_name,{}).items():
 678                         if phys.startswith(physdevprefix):
 679                                 if have_model_descr:
 680                                         description = pdescription + ' - ' + description
 681                                 else:
 682                                         description = pdescription
 683                 # not wholedisk and not partition 1
 684                 if part and part != 1:
 685                         description += " (Partition %d)" % part
 686                 return description
 687
 688         def addMountedPartition(self, device, desc):
 689                 already_mounted = False
 690                 for x in self.partitions[:]:
 691                         if x.mountpoint == device:
 692                                 already_mounted = True
 693                 if not already_mounted:
 694                         self.partitions.append(Partition(mountpoint = device, description = desc))
 695
 696         def removeMountedPartition(self, mountpoint):
 697                 for x in self.partitions[:]:
 698                         if x.mountpoint == mountpoint:
 699                                 self.partitions.remove(x)
 700                                 self.on_partition_list_change("remove", x)
 701
 702 harddiskmanager = HarddiskManager()