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.foundServices + 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.foundServices + 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                 if self.state == self.Done or self.state == self.Error:
  43                         if self.run != len(self.scanList) - 1:
  44                                 self.foundServices += self.scan.getNumServices()
  45                                 self.execEnd()
  46                                 self.run += 1
  47                                 self.doRun()
  48                                 self.execBegin()
  49
  50         def __init__(self, progressbar, text, servicelist, passNumber, scanList):
  51                 self.foundServices = 0
  52                 self.progressbar = progressbar
  53                 self.text = text
  54                 self.servicelist = servicelist
  55                 self.passNumber = passNumber
  56                 self.scanList = scanList
  57                 self.run = 0
  58
  59                 self.doRun()
  60
  61         def doRun(self):
  62                 self.scan = eComponentScan()
  63
  64                 self.feid = self.scanList[self.run]["feid"]
  65                 self.flags = self.scanList[self.run]["flags"]
  66                 self.state = self.Idle
  67                 self.scanStatusChanged()
  68
  69                 for x in self.scanList[self.run]["transponders"]:
  70                         self.scan.addInitial(x)
  71
  72         def updatePass(self):
  73                 size = len(self.scanList)
  74                 if size > 1:
  75                         self.passNumber.setText(_("pass") + " " + str(self.run + 1) + "/" + str(size) + " (" + _("Tuner") + " " + str(self.scanList[self.run]["feid"]) + ")")
  76
  77         def execBegin(self):
  78                 self.updatePass()
  79                 self.scan.statusChanged.get().append(self.scanStatusChanged)
  80                 self.scan.newService.get().append(self.newService)
  81                 self.servicelist.clear()
  82                 self.state = self.Running
  83                 err = self.scan.start(self.feid, self.flags)
  84                 if err:
  85                         self.state = self.Error
  86                         self.errorcode = 0
  87
  88                 self.scanStatusChanged()
  89
  90         def execEnd(self):
  91                 self.scan.statusChanged.get().remove(self.scanStatusChanged)
  92                 self.scan.newService.get().remove(self.newService)
  93                 if not self.isDone():
  94                         print "*** warning *** scan was not finished!"
  95
  96                 del self.scan
  97
  98         def isDone(self):
  99                 return self.state == self.Done or self.state == self.Error
 100
 101         def newService(self):
 102                 newServiceName = self.scan.getLastServiceName()
 103                 self.servicelist.addItem(newServiceName)
 104
 105         def destroy(self):
 106                 pass