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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
# ok, for descriptions etc we have:
# service reference (to get the service name)
# name (title)
# description (description)
# event data (ONLY for time adjustments etc.)
# parses an event, and gives out a (begin, end, name, duration, eit)-tuple.
def parseEvent(ev):
name = ev.getEventName()
description = ev.getShortDescription()
begin = ev.getBeginTime()
end = begin + ev.getDuration()
eit = None
return (begin, end, name, description, eit)
class RecordTimerEntry(timer.TimerEntry):
def __init__(self, serviceref, begin, end, name, description, eit):
timer.TimerEntry.__init__(self, int(begin), int(end))
assert isinstance(serviceref, ServiceReference)
self.service_ref = serviceref
self.eit = eit
self.dontSave = False
self.name = name
self.description = description
self.timer = None
self.record_service = None
self.wantStart = False
self.prepareOK = False
def calculateFilename(self):
service_name = self.service_ref.getServiceName()
# begin_date = datetime.fromtimestamp(begin).strf...
begin_date = ""
print "begin_date: ", begin_date
print "service_name: ", service_name
print "name:", self.name
print "description: ", self.description
self.Filename = Directories.getRecordingFilename(service_name)
#begin_date + " - " + service_name + description)
def tryPrepare(self):
self.calculateFilename()
self.record_service = NavigationInstance.instance.recordService(self.service_ref)
if self.record_service == None:
return False
else:
if self.record_service.prepare(self.Filename + ".ts"):
self.record_service = None
return False
f = open(self.Filename + ".ts.meta", "w")
f.write(str(self.service_ref) + "\n")
f.write(self.name + "\n")
f.write(self.description + "\n")
f.write(str(self.begin) + "\n")
del f
return True
def activate(self, event):
if event == self.EventPrepare:
self.prepareOK = False
if self.tryPrepare():
self.prepareOK = True
else:
# error.
Notifications.AddNotificationWithCallback(self.failureCB, MessageBox, _("A timer failed to record!\nDisable TV and try again?\n"))
elif event == self.EventStart:
if self.prepareOK:
self.record_service.start()
print "timer started!"
else:
print "prepare failed, thus start failed, too."
self.wantStart = True
elif event == self.EventEnd or event == self.EventAbort:
self.wantStart = False
if self.prepareOK:
self.record_service.stop()
self.record_service = None
print "Timer successfully ended"
else:
print "prepare failed, thus nothing was recorded."
def abort():
# fixme
pass
def failureCB(self, answer):
if answer == True:
NavigationInstance.instance.stopUserServices()
self.activate(self.EventPrepare)
if self.wantStart:
print "post-activating record"
self.activate(self.EventStart)
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").encode("utf-8")
repeated = xml.getAttribute("repeated").encode("utf-8")
eit = xml.getAttribute("eit").encode("utf-8")
name = xml.getAttribute("name").encode("utf-8")
#filename = xml.getAttribute("filename").encode("utf-8")
entry = RecordTimerEntry(serviceref, begin, end, name, description, eit)
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 IOError:
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("name", timer.name)
t.setAttribute("description", timer.description)
t.setAttribute("eit", str(timer.eit))
root_element.appendChild(t)
t = doc.createTextNode("\n")
root_element.appendChild(t)
file = open(self.Filename, "w")
doc.writexml(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
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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