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path: root/lib/python/Plugins/Extensions/MediaScanner/plugin.py
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from Plugins.Plugin import PluginDescriptor
from Components.Scanner import scanDevice
from Screens.InfoBar import InfoBar
from os import access, F_OK, R_OK

def execute(option):
	print "execute", option
	if option is None:
		return

	(_, scanner, files, session) = option
	scanner.open(files, session)

def mountpoint_choosen(option):
	if option is None:
		return

	from Screens.ChoiceBox import ChoiceBox

	print "scanning", option
	(description, mountpoint, session) = option
	res = scanDevice(mountpoint)

	list = [ (r.description, r, res[r], session) for r in res ]

	if not list:
		from Screens.MessageBox import MessageBox
		if access(mountpoint, F_OK|R_OK):
			session.open(MessageBox, _("No displayable files on this medium found!"), MessageBox.TYPE_ERROR)
		else:
			print "ignore", mountpoint, "because its not accessible"
		return

	session.openWithCallback(execute, ChoiceBox, 
		title = _("The following files were found..."),
		list = list)

def scan(session):
	from Screens.ChoiceBox import ChoiceBox

	from Components.Harddisk import harddiskmanager

	parts = [ (r.description, r.mountpoint, session) for r in harddiskmanager.getMountedPartitions(onlyhotplug = False)]
	if parts:
		for x in parts:
			if not access(x[1], F_OK|R_OK):
				parts.remove(x)	
		session.openWithCallback(mountpoint_choosen, ChoiceBox, title = _("Please Select Medium to be Scanned"), list = parts)

def main(session, **kwargs):
	scan(session)

def menuEntry(*args):
	mountpoint_choosen(args)

from Components.Harddisk import harddiskmanager

def menuHook(menuid):
	if menuid != "mainmenu": 
		return [ ]

	from Tools.BoundFunction import boundFunction
	return [(("%s (files)") % r.description, boundFunction(menuEntry, r.description, r.mountpoint), "hotplug_%s" % r.mountpoint, None) for r in harddiskmanager.getMountedPartitions(onlyhotplug = True)]

global_session = None

def partitionListChanged(action, device):
	if InfoBar.instance:
		if InfoBar.instance.execing:
			if action == 'add' and device.is_hotplug:
				print "mountpoint", device.mountpoint
				print "description", device.description
				print "force_mounted", device.force_mounted
				mountpoint_choosen((device.description, device.mountpoint, global_session))
		else:
			print "main infobar is not execing... so we ignore hotplug event!"
	else:
			print "hotplug event.. but no infobar"

def sessionstart(reason, session):
	global global_session
	global_session = session

def autostart(reason, **kwargs):
	global global_session
	if reason == 0:
		harddiskmanager.on_partition_list_change.append(partitionListChanged)
	elif reason == 1:
		harddiskmanager.on_partition_list_change.remove(partitionListChanged)
		global_session = None

def Plugins(**kwargs):
	return [
		PluginDescriptor(name="MediaScanner", description=_("Scan Files..."), where = PluginDescriptor.WHERE_PLUGINMENU, fnc=main),
#		PluginDescriptor(where = PluginDescriptor.WHERE_MENU, fnc=menuHook),
		PluginDescriptor(where = PluginDescriptor.WHERE_SESSIONSTART, fnc = sessionstart),
 		PluginDescriptor(where = PluginDescriptor.WHERE_AUTOSTART, fnc = autostart)
		]