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from Screens.Screen import Screen
from Screens.MessageBox import MessageBox
from Screens.HelpMenu import HelpableScreen
from Components.ActionMap import HelpableActionMap, ActionMap
from Components.Sources.List import List
from Components.Sources.StaticText import StaticText
from Components.Sources.Progress import Progress
from Components.Task import Task, Job, job_manager, Condition
from Components.ScrollLabel import ScrollLabel
from Components.Harddisk import harddiskmanager
from Components.Console import Console
from Plugins.SystemPlugins.Hotplug.plugin import hotplugNotifier
class DVDToolbox(Screen):
skin = """
<screen name="DVDToolbox" position="center,center" size="560,445" title="DVD media toolbox" >
<ePixmap pixmap="skin_default/buttons/red.png" position="0,0" size="140,40" alphatest="on" />
<ePixmap pixmap="skin_default/buttons/green.png" position="140,0" size="140,40" alphatest="on" />
<ePixmap pixmap="skin_default/buttons/yellow.png" position="280,0" size="140,40" alphatest="on" />
<widget source="key_red" render="Label" position="0,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#9f1313" transparent="1" />
<widget source="key_green" render="Label" position="140,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#1f771f" transparent="1" />
<widget source="key_yellow" render="Label" position="280,0" zPosition="1" size="140,40" font="Regular;20" halign="center" valign="center" backgroundColor="#a08500" transparent="1" />
<widget source="info" render="Label" position="20,60" size="520,100" font="Regular;20" />
<widget name="details" position="20,200" size="520,200" font="Regular;16" />
<widget source="space_bar" render="Progress" position="10,410" size="540,26" borderWidth="1" backgroundColor="#254f7497" />
<widget source="space_label" render="Label" position="20,414" size="520,22" zPosition="2" font="Regular;18" halign="center" transparent="1" foregroundColor="#000000" />
</screen>"""
def __init__(self, session):
Screen.__init__(self, session)
self["key_red"] = StaticText(_("Exit"))
self["key_green"] = StaticText(_("Update"))
self["key_yellow"] = StaticText()
self["space_label"] = StaticText()
self["space_bar"] = Progress()
self.mediuminfo = [ ]
self.formattable = False
self["details"] = ScrollLabel()
self["info"] = StaticText()
self["toolboxactions"] = ActionMap(["ColorActions", "DVDToolbox", "OkCancelActions"],
{
"red": self.exit,
"green": self.update,
"yellow": self.format,
"cancel": self.exit,
"pageUp": self.pageUp,
"pageDown": self.pageDown
})
self.update()
hotplugNotifier.append(self.update)
self.onLayoutFinish.append(self.layoutFinished)
def layoutFinished(self):
self.setTitle(_("DVD media toolbox"))
def pageUp(self):
self["details"].pageUp()
def pageDown(self):
self["details"].pageDown()
def update(self, dev="", action=""):
self["space_label"].text = _("Please wait... Loading list...")
self["info"].text = ""
self["details"].setText("")
self.Console = Console()
cmd = "/bin/dvd+rw-mediainfo /dev/" + harddiskmanager.getCD()
self.Console.ePopen(cmd, self.mediainfoCB)
def format(self):
if self.formattable:
job = DVDformatJob(self)
job_manager.AddJob(job)
from Screens.TaskView import JobView
self.session.openWithCallback(self.formatCB, JobView, job)
def formatCB(self, in_background):
self.update()
def mediainfoCB(self, mediuminfo, retval, extra_args):
capacity = 1
used = 0
infotext = ""
mediatype = ""
for line in mediuminfo.splitlines():
if line.find("Mounted Media:") > -1:
mediatype = line.rsplit(',',1)[1][1:]
if mediatype.find("RW") > 0 or mediatype.find("RAM") > 0:
self.formattable = True
else:
self.formattable = False
if line.find("Legacy lead-out at:") > -1:
used = int(line.rsplit('=',1)[1]) / 1048576.0
print "[lead out] used =", used
elif line.find("formatted:") > -1:
capacity = int(line.rsplit('=',1)[1]) / 1048576.0
print "[formatted] capacity =", capacity
elif capacity == 1 and line.find("READ CAPACITY:") > -1:
capacity = int(line.rsplit('=',1)[1]) / 1048576.0
print "[READ CAP] capacity =", capacity
elif line.find("Disc status:") > -1:
if line.find("blank") > -1:
print "[Disc status] capacity=%d, used=0" % (capacity)
capacity = used
used = 0
elif line.find("Free Blocks:") > -1:
try:
size = eval(line[14:].replace("KB","*1024"))
except:
size = 0
if size > 0:
capacity = size / 1048576
if used:
used = capacity-used
print "[free blocks] capacity=%d, used=%d" % (capacity, used)
infotext += line+'\n'
self["details"].setText(infotext)
if self.formattable:
self["key_yellow"].text = _("Format")
else:
self["key_yellow"].text = ""
percent = 100 * used / (capacity or 1)
if capacity > 4600:
self["space_label"].text = "%d / %d MB" % (used, capacity) + " (%.2f%% " % percent + _("of a DUAL layer medium used.") + ")"
self["space_bar"].value = int(percent)
elif capacity > 1:
self["space_label"].text = "%d / %d MB" % (used, capacity) + " (%.2f%% " % percent + _("of a SINGLE layer medium used.") + ")"
self["space_bar"].value = int(percent)
elif capacity == 1 and used > 0:
self["space_label"].text = "%d MB " % (used) + _("on READ ONLY medium.")
self["space_bar"].value = int(percent)
else:
self["space_label"].text = _("Medium is not a writeable DVD!")
self["space_bar"].value = 0
free = capacity-used
if free < 2:
free = 0
self["info"].text = "Media-Type:\t\t%s\nFree capacity:\t\t%d MB" % (mediatype or "NO DVD", free)
def exit(self):
del self.Console
hotplugNotifier.remove(self.update)
self.close()
class DVDformatJob(Job):
def __init__(self, toolbox):
Job.__init__(self, _("DVD media toolbox"))
self.toolbox = toolbox
DVDformatTask(self)
def retry(self):
self.tasks[0].args += self.tasks[0].retryargs
Job.retry(self)
class DVDformatTaskPostcondition(Condition):
RECOVERABLE = True
def check(self, task):
return task.error is None
def getErrorMessage(self, task):
return {
task.ERROR_ALREADYFORMATTED: _("This DVD RW medium is already formatted - reformatting will erase all content on the disc."),
task.ERROR_NOTWRITEABLE: _("Medium is not a writeable DVD!"),
task.ERROR_UNKNOWN: _("An unknown error occured!")
}[task.error]
class DVDformatTask(Task):
ERROR_ALREADYFORMATTED, ERROR_NOTWRITEABLE, ERROR_UNKNOWN = range(3)
def __init__(self, job, extra_args=[]):
Task.__init__(self, job, ("RW medium format"))
self.toolbox = job.toolbox
self.postconditions.append(DVDformatTaskPostcondition())
self.setTool("/bin/dvd+rw-format")
self.args += [ "/dev/" + harddiskmanager.getCD() ]
self.end = 1100
self.retryargs = [ ]
def prepare(self):
self.error = None
def processOutputLine(self, line):
if line.startswith("- media is already formatted"):
self.error = self.ERROR_ALREADYFORMATTED
self.retryargs = [ "-force" ]
if line.startswith("- media is not blank") or line.startswith(" -format=full to perform full (lengthy) reformat;"):
self.error = self.ERROR_ALREADYFORMATTED
self.retryargs = [ "-blank" ]
if line.startswith(":-( mounted media doesn't appear to be"):
self.error = self.ERROR_NOTWRITEABLE
def processOutput(self, data):
print "[DVDformatTask processOutput] ", data
if data.endswith('%'):
data= data.replace('\x08','')
self.progress = int(float(data[:-1])*10)
else:
Task.processOutput(self, data)
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