lib/python/Components/ServiceScan.py

   1 from enigma import eComponentScan
   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                         self.text.setText("scan done!")
  33
  34                 if self.state == self.Error:
  35                         self.text.setText("ERROR - failed to scan (%s)!" % (self.Errors[self.errorcode]) )
  36
  37         def __init__(self, progressbar, text):
  38                 self.progressbar = progressbar
  39                 self.text = text
  40                 self.scan = eComponentScan()
  41                 self.state = self.Idle
  42                 self.scanStatusChanged()
  43
  44         def execBegin(self):
  45                 self.scan.statusChanged.get().append(self.scanStatusChanged)
  46                 self.state = self.Running
  47                 err = self.scan.start()
  48                 if err:
  49                         self.state = self.Error
  50                         self.errorcode = 0
  51
  52                 self.scanStatusChanged()
  53
  54         def execEnd(self):
  55                 self.scan.statusChanged.get().remove(self.scanStatusChanged)
  56                 if not self.isDone():
  57                         print "*** warning *** scan was not finished!"
  58
  59         def isDone(self):
  60                 print "state is %d " % (self.state)
  61                 return self.state == self.Done or self.state == self.Error
  62