RecordTimer.py

   1 import time
   2 import codecs
   3 #from time import datetime
   4 from Tools import Directories
   5
   6 import timer
   7 import xml.dom.minidom
   8
   9 import NavigationInstance
  10
  11 from Tools.XMLTools import elementsWithTag
  12 from ServiceReference import ServiceReference
  13
  14 class RecordTimerEntry(timer.TimerEntry):
  15         def __init__(self, begin, end, serviceref, epg, description):
  16                 timer.TimerEntry.__init__(self, int(begin), int(end))
  17
  18                 assert isinstance(serviceref, ServiceReference)
  19
  20                 self.service_ref = serviceref
  21
  22                 if epg is not None:
  23                         self.epg_data = ""
  24                         #str(epg.m_event_name)
  25                 else:
  26                         self.epg_data = ""
  27
  28                 self.description = description
  29                 self.timer = None
  30                 self.record_service = None
  31
  32         def calculateFilename(self):
  33                 service_name = self.service_ref.getServiceName()
  34 #               begin_date = datetime.fromtimestamp(begin).strf...
  35                 begin_date = ""
  36                 if self.epg_data is not None:
  37                         description = " - " + self.epg_data
  38                 else:
  39                         description = ""
  40
  41                 print "begin_date: " + str(begin_date)
  42                 print "service_name: " + str(service_name)
  43                 print "description: " + str(description)
  44                 self.Filename = Directories.getRecordingFilename(service_name)
  45                 #begin_date + " - " + service_name + description)
  46
  47                 # build filename from epg
  48
  49                 # pff das geht noch nicht...
  50 #               if epg == None:
  51 #                       self.Filename = "recording.ts"
  52 #               else:
  53 #                       self.Filename = "record_" + str(epg.m_event_name) + ".ts"
  54 #
  55 #               print "------------ record filename: %s" % (self.Filename)
  56
  57
  58         def activate(self, event):
  59                 if event == self.EventPrepare:
  60                         self.calculateFilename()
  61                         self.record_service = NavigationInstance.instance.recordService(self.service_ref)
  62                         if self.record_service == None:
  63                                 print "timer record failed."
  64                         else:
  65                                 self.record_service.prepare(self.Filename + ".ts")
  66                                 f = open(self.Filename + ".ts.meta", "w")
  67                                 f.write(str(self.service_ref) + "\n")
  68                                 f.write(self.epg_data + "\n")
  69                                 del f
  70
  71                 elif self.record_service == None:
  72                         if event != self.EventAbort:
  73                                 print "timer record start failed, can't finish recording."
  74                 elif event == self.EventStart:
  75                         self.record_service.start()
  76                         print "timer started!"
  77                 elif event == self.EventEnd or event == self.EventAbort:
  78                         self.record_service.stop()
  79                         self.record_service = None
  80                         print "Timer successfully ended"
  81
  82
  83 def createTimer(xml):
  84         begin = int(xml.getAttribute("begin"))
  85         end = int(xml.getAttribute("end"))
  86         serviceref = ServiceReference(str(xml.getAttribute("serviceref")))
  87         description = xml.getAttribute("description")
  88         epgdata = xml.getAttribute("epgdata")
  89         #filename = xml.getAttribute("filename")
  90         return RecordTimerEntry(begin, end, serviceref, epgdata, description)
  91
  92 class RecordTimer(timer.Timer):
  93         def __init__(self):
  94                 timer.Timer.__init__(self)
  95
  96                 self.Filename = Directories.resolveFilename(Directories.SCOPE_USERETC, "timers.xml")
  97
  98                 try:
  99                         self.loadTimer()
 100                 except:
 101                         print "unable to load timers from file!"
 102
 103         def loadTimer(self):
 104
 105                 # TODO: PATH!
 106                 doc = xml.dom.minidom.parse(self.Filename)
 107
 108                 root = doc.childNodes[0]
 109                 for timer in elementsWithTag(root.childNodes, "timer"):
 110                         self.record(createTimer(timer))
 111
 112         def saveTimer(self):
 113                 doc = xml.dom.minidom.Document()
 114                 root_element = doc.createElement('timers')
 115                 doc.appendChild(root_element)
 116                 root_element.appendChild(doc.createTextNode("\n"))
 117
 118                 for timer in self.timer_list + self.processed_timers:
 119                         t = doc.createTextNode("\t")
 120                         root_element.appendChild(t)
 121                         t = doc.createElement('timer')
 122                         t.setAttribute("begin", str(timer.begin))
 123                         t.setAttribute("end", str(timer.end))
 124                         t.setAttribute("serviceref", str(timer.service_ref))
 125                         #t.setAttribute("epgdata", timer.)
 126                         t.setAttribute("description", timer.description)
 127                         root_element.appendChild(t)
 128                         t = doc.createTextNode("\n")
 129                         root_element.appendChild(t)
 130
 131                 file = open(self.Filename, "w")
 132                 doc.writexml(codecs.getwriter('UTF-8')(file))
 133                 file.close()
 134
 135         def record(self, entry):
 136                 entry.Timer = self
 137                 self.addTimerEntry(entry)
 138
 139         def removeEntry(self, entry):
 140                 if entry.state == timer.TimerEntry.StateRunning:
 141                         entry.end = time.time()
 142                         self.timeChanged(entry)
 143                 elif entry.state != timer.TimerEntry.StateEnded:
 144                         entry.activate(timer.TimerEntry.EventAbort)
 145                         self.timer_list.remove(entry)
 146                         print "timer did not yet start - removing"
 147                 else:
 148                         print "timer did already end - doing nothing."
 149
 150                 self.calcNextActivation()
 151
 152
 153         def shutdown(self):
 154                 self.saveTimer()