lib/python/Plugins/Extensions/MediaScanner/plugin.py

   1 from Plugins.Plugin import PluginDescriptor
   2 from Components.Scanner import scanDevice
   3 from Screens.InfoBar import InfoBar
   4 from os import access, F_OK, R_OK
   5
   6 def execute(option):
   7         print "execute", option
   8         if option is None:
   9                 return
  10
  11         (_, scanner, files, session) = option
  12         scanner.open(files, session)
  13
  14 def mountpoint_choosen(option):
  15         if option is None:
  16                 return
  17
  18         from Screens.ChoiceBox import ChoiceBox
  19
  20         (description, mountpoint, session) = option
  21         res = scanDevice(mountpoint)
  22
  23         list = [ (r.description, r, res[r], session) for r in res ]
  24
  25         if list == [ ]:
  26                 from Screens.MessageBox import MessageBox
  27                 if access(mountpoint, F_OK|R_OK):
  28                         session.open(MessageBox, "No displayable files on this medium found!", MessageBox.TYPE_ERROR)
  29                 else:
  30                         print "ignore", mountpoint, "because its not accessible"
  31                 return
  32
  33         session.openWithCallback(execute, ChoiceBox,
  34                 title = "The following files were found...",
  35                 list = list)
  36
  37 def scan(session):
  38         from Screens.ChoiceBox import ChoiceBox
  39
  40         from Components.Harddisk import harddiskmanager
  41
  42         parts = [ (r.description, r.mountpoint, session) for r in harddiskmanager.getMountedPartitions(onlyhotplug = False)]
  43         if len(parts):
  44                 session.openWithCallback(mountpoint_choosen, ChoiceBox, title = _("Please Select Medium to be Scanned"), list = parts)
  45
  46 def main(session, **kwargs):
  47         scan(session)
  48
  49 def menuEntry(*args):
  50         mountpoint_choosen(args)
  51
  52 from Components.Harddisk import harddiskmanager
  53
  54 def menuHook(menuid):
  55         if menuid != "mainmenu":
  56                 return [ ]
  57
  58         from Tools.BoundFunction import boundFunction
  59         return [(("%s (files)") % r.description, boundFunction(menuEntry, r.description, r.mountpoint), "hotplug_%s" % r.mountpoint, None) for r in harddiskmanager.getMountedPartitions(onlyhotplug = True)]
  60
  61 global_session = None
  62
  63 def partitionListChanged(action, device):
  64         if InfoBar.instance:
  65                 if InfoBar.instance.execing:
  66                         if action == 'add' and device.is_hotplug:
  67                                 print "mountpoint", device.mountpoint
  68                                 print "description", device.description
  69                                 print "force_mounted", device.force_mounted
  70                                 mountpoint_choosen((device.description, device.mountpoint, global_session))
  71                 else:
  72                         print "main infobar is not execing... so we ignore hotplug event!"
  73         else:
  74                         print "hotplug event.. but no infobar"
  75
  76 def sessionstart(reason, session):
  77         global global_session
  78         global_session = session
  79
  80 def autostart(reason, **kwargs):
  81         global global_session
  82         if reason == 0:
  83                 harddiskmanager.on_partition_list_change.append(partitionListChanged)
  84         elif reason == 1:
  85                 harddiskmanager.on_partition_list_change.remove(partitionListChanged)
  86                 global_session = None
  87
  88 def Plugins(**kwargs):
  89         return [
  90                 PluginDescriptor(name="MediaScanner", description="Scan Files...", where = PluginDescriptor.WHERE_PLUGINMENU, fnc=main),
  91 #               PluginDescriptor(where = PluginDescriptor.WHERE_MENU, fnc=menuHook),
  92                 PluginDescriptor(where = PluginDescriptor.WHERE_SESSIONSTART, fnc = sessionstart),
  93                 PluginDescriptor(where = PluginDescriptor.WHERE_AUTOSTART, fnc = autostart)
  94                 ]