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import time
import codecs
#from time import datetime
from Tools import Directories, Notifications
import timer
import xml.dom.minidom
from Screens.MessageBox import MessageBox
import NavigationInstance
from Tools.XMLTools import elementsWithTag
from ServiceReference import ServiceReference
class RecordTimerEntry(timer.TimerEntry):
def __init__(self, begin, end, serviceref, epg, description):
timer.TimerEntry.__init__(self, int(begin), int(end))
assert isinstance(serviceref, ServiceReference)
self.service_ref = serviceref
if epg is not None:
self.epg_data = ""
#str(epg.m_event_name)
else:
self.epg_data = ""
self.dontSave = False
self.description = description
self.timer = None
self.record_service = None
def calculateFilename(self):
service_name = self.service_ref.getServiceName()
# begin_date = datetime.fromtimestamp(begin).strf...
begin_date = ""
if self.epg_data is not None:
description = " - " + self.epg_data
else:
description = ""
print "begin_date: " + str(begin_date)
print "service_name: " + str(service_name)
print "description: " + str(description)
self.Filename = Directories.getRecordingFilename(service_name)
#begin_date + " - " + service_name + description)
# build filename from epg
# pff das geht noch nicht...
# if epg == None:
# self.Filename = "recording.ts"
# else:
# self.Filename = "record_" + str(epg.m_event_name) + ".ts"
#
# print "------------ record filename: %s" % (self.Filename)
def activate(self, event):
if event == self.EventPrepare:
self.calculateFilename()
self.record_service = NavigationInstance.instance.recordService(self.service_ref)
if self.record_service == None:
print "timer record failed."
else:
if self.record_service.prepare(self.Filename + ".ts"):
# error.
Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nReason: unknown."))
f = open(self.Filename + ".ts.meta", "w")
f.write(str(self.service_ref) + "\n")
f.write(self.epg_data + "\n")
del f
elif self.record_service == None:
if event != self.EventAbort:
print "timer record start failed, can't finish recording."
elif event == self.EventStart:
self.record_service.start()
print "timer started!"
elif event == self.EventEnd or event == self.EventAbort:
self.record_service.stop()
self.record_service = None
print "Timer successfully ended"
def failureCB(self, answer):
if answer == True:
print "kill user to record"
else:
print "user killed record"
def createTimer(xml):
begin = int(xml.getAttribute("begin"))
end = int(xml.getAttribute("end"))
serviceref = ServiceReference(str(xml.getAttribute("serviceref")))
description = xml.getAttribute("description")
repeated = xml.getAttribute("repeated")
epgdata = xml.getAttribute("epgdata")
#filename = xml.getAttribute("filename")
entry = RecordTimerEntry(begin, end, serviceref, epgdata, description)
entry.repeated = int(repeated)
return entry
class RecordTimer(timer.Timer):
def __init__(self):
timer.Timer.__init__(self)
self.Filename = Directories.resolveFilename(Directories.SCOPE_CONFIG, "timers.xml")
try:
self.loadTimer()
except:
print "unable to load timers from file!"
def isRecording(self):
isRunning = False
for timer in self.timer_list:
if timer.isRunning():
isRunning = True
return isRunning
def loadTimer(self):
# TODO: PATH!
doc = xml.dom.minidom.parse(self.Filename)
root = doc.childNodes[0]
for timer in elementsWithTag(root.childNodes, "timer"):
self.record(createTimer(timer))
def saveTimer(self):
doc = xml.dom.minidom.Document()
root_element = doc.createElement('timers')
doc.appendChild(root_element)
root_element.appendChild(doc.createTextNode("\n"))
for timer in self.timer_list + self.processed_timers:
# some timers (instant records) don't want to be saved.
# skip them
if timer.dontSave:
continue
t = doc.createTextNode("\t")
root_element.appendChild(t)
t = doc.createElement('timer')
t.setAttribute("begin", str(timer.begin))
t.setAttribute("end", str(timer.end))
t.setAttribute("serviceref", str(timer.service_ref))
t.setAttribute("repeated", str(timer.repeated))
#t.setAttribute("epgdata", timer.)
t.setAttribute("description", timer.description)
root_element.appendChild(t)
t = doc.createTextNode("\n")
root_element.appendChild(t)
file = open(self.Filename, "w")
doc.writexml(codecs.getwriter('UTF-8')(file))
file.write("\n")
file.close()
def record(self, entry):
print "[Timer] Record " + str(entry)
entry.Timer = self
self.addTimerEntry(entry)
def removeEntry(self, entry):
print "[Timer] Remove " + str(entry)
entry.repeated = False
entry.repeated = False
if entry.state == timer.TimerEntry.StateRunning:
print "remove running timer."
entry.end = time.time()
self.timeChanged(entry)
elif entry.state != timer.TimerEntry.StateEnded:
entry.activate(timer.TimerEntry.EventAbort)
self.timer_list.remove(entry)
self.calcNextActivation()
print "timer did not yet start - removing"
# the timer was aborted, and removed.
return
else:
print "timer did already end - doing nothing."
print "state: ", entry.state
print "in processed: ", entry in self.processed_timers
print "in running: ", entry in self.timer_list
# now the timer should be in the processed_timers list. remove it from there.
self.processed_timers.remove(entry)
def shutdown(self):
self.saveTimer()
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