lib/python/Components/ServiceScan.py

   1 from enigma import eComponentScan, eDVBFrontendParametersSatellite, eDVBFrontendParametersCable, eDVBFrontendParametersTerrestrial
   2
   3 class ServiceScan:
   4
   5         Idle = 1
   6         Running = 2
   7         Done = 3
   8         Error = 4
   9
  10         Errors = {
  11                 0: "error starting scanning",
  12                 1: "error while scanning",
  13                 2: "no resource manager",
  14                 3: "no channel list"
  15                 }
  16
  17         def scanStatusChanged(self):
  18                 if self.state == self.Running:
  19                         self.progressbar.setValue(self.scan.getProgress())
  20                         if self.scan.isDone():
  21                                 errcode = self.scan.getError()
  22
  23                                 if errcode == 0:
  24                                         self.state = self.Done
  25                                 else:
  26                                         self.state = self.Error
  27                                         self.errorcode = errcode
  28                         else:
  29                                 self.text.setText(_("scan in progress - %d %% done!\n%d services found!") % (self.scan.getProgress(), self.scan.getNumServices()))
  30
  31                 if self.state == self.Done:
  32                         if self.scan.getNumServices() == 1:
  33                                 self.text.setText(_("scan done!\nOne service found!"))
  34                         elif self.scan.getNumServices() == 0:
  35                                 self.text.setText(_("scan done!\nNo service found!"))
  36                         else:
  37                                 self.text.setText(_("scan done!\n%d services found!") % (self.scan.getNumServices()))
  38
  39                 if self.state == self.Error:
  40                         self.text.setText(_("ERROR - failed to scan (%s)!") % (self.Errors[self.errorcode]) )
  41
  42         def __init__(self, progressbar, text, servicelist, transponders, feid, flags):
  43                 self.progressbar = progressbar
  44                 self.text = text
  45                 self.scan = eComponentScan()
  46                 self.state = self.Idle
  47                 self.feid = feid
  48                 self.flags = flags
  49                 self.servicelist = servicelist
  50                 self.scanStatusChanged()
  51
  52                 for x in transponders:
  53                         self.scan.addInitial(x)
  54
  55                 #self.scan.addInitial(parm)
  56
  57         def execBegin(self):
  58                 self.scan.statusChanged.get().append(self.scanStatusChanged)
  59                 self.scan.newService.get().append(self.newService)
  60                 self.state = self.Running
  61                 err = self.scan.start(self.feid, self.flags)
  62                 if err:
  63                         self.state = self.Error
  64                         self.errorcode = 0
  65
  66                 self.scanStatusChanged()
  67
  68         def execEnd(self):
  69                 self.scan.statusChanged.get().remove(self.scanStatusChanged)
  70                 self.scan.newService.get().remove(self.newService)
  71                 if not self.isDone():
  72                         print "*** warning *** scan was not finished!"
  73
  74                 del self.scan
  75
  76         def isDone(self):
  77                 return self.state == self.Done or self.state == self.Error
  78
  79         def newService(self):
  80                 newServiceName = self.scan.getLastServiceName()
  81                 self.servicelist.addItem(newServiceName)