code.vuplus.com Git - vuplus_dvbapp/blob - lib/python/Components/Ipkg.py

   1 from enigma import eConsoleAppContainer
   2
   3 class Ipkg:
   4         EVENT_INSTALL = 0
   5         EVENT_DOWNLOAD = 1
   6         EVENT_INFLATING = 2
   7         EVENT_CONFIGURING = 3
   8         EVENT_REMOVE = 4
   9         EVENT_UPGRADE = 5
  10         EVENT_LISTITEM = 9
  11         EVENT_DONE = 10
  12         EVENT_ERROR = 11
  13
  14         CMD_INSTALL = 0
  15         CMD_LIST = 1
  16         CMD_REMOVE = 2
  17         CMD_UPDATE = 3
  18         CMD_UPGRADE = 4
  19
  20         def __init__(self, ipkg = '/usr/bin/ipkg'):
  21                 self.ipkg = ipkg
  22
  23                 self.cmd = eConsoleAppContainer()
  24                 self.cmd.appClosed.get().append(self.cmdFinished)
  25                 self.cmd.dataAvail.get().append(self.cmdData)
  26                 self.cache = None
  27
  28                 self.callbackList = []
  29                 self.setCurrentCommand()
  30
  31         def setCurrentCommand(self, command = None):
  32                 self.currentCommand = command
  33
  34         def runCmd(self, cmd):
  35                 print "executing", self.ipkg, cmd
  36                 self.cmd.execute(self.ipkg + " " + cmd)
  37
  38         def cmdFetchList(self, installed_only = False):
  39                 self.fetchedList = []
  40                 if installed_only:
  41                         self.runCmd("list_installed")
  42                 else:
  43                         self.runCmd("list")
  44                 self.setCurrentCommand(self.CMD_LIST)
  45
  46         def cmdUpgrade(self, test_only = False):
  47                 append = ""
  48                 if test_only:
  49                         append = " -test"
  50                 self.runCmd("upgrade" + append)
  51                 self.setCurrentCommand(self.CMD_UPGRADE)
  52
  53         def cmdUpdate(self):
  54                 self.runCmd("update")
  55                 self.setCurrentCommand(self.CMD_UPDATE)
  56
  57         def cmdFinished(self, retval):
  58                 self.callCallbacks(self.EVENT_DONE)
  59
  60         def cmdData(self, data):
  61                 print "data:", data
  62                 if self.cache is None:
  63                         self.cache = data
  64                 else:
  65                         self.cache += data
  66
  67                 if '\n' in data:
  68                         splitcache = self.cache.split('\n')
  69                         if self.cache[-1] == '\n':
  70                                 iteration = splitcache
  71                                 self.cache = None
  72                         else:
  73                                 iteration = splitcache[:-1]
  74                                 self.cache = splitcache[-1]
  75                         for mydata in iteration:
  76                                 if mydata != '':
  77                                         self.parseLine(mydata)
  78
  79         def parseLine(self, data):
  80                 if self.currentCommand == self.CMD_LIST:
  81                         item = data.split(' - ', 2)
  82                         self.fetchedList.append(item)
  83                         self.callCallbacks(self.EVENT_LISTITEM, item)
  84                 else:
  85                         if data.find('Downloading') == 0:
  86                                 self.callCallbacks(self.EVENT_DOWNLOAD, data.split(' ', 5)[1].strip())
  87                         elif data.find('Upgrading') == 0:
  88                                 self.callCallbacks(self.EVENT_UPGRADE, data.split('    ', 1)[1].split(' ')[0])
  89                         elif data.find('Installing') == 0:
  90                                 self.callCallbacks(self.EVENT_INSTALL, data.split(' ', 1)[1].split(' ')[0])
  91                         elif data.find('Configuring') == 0:
  92                                 self.callCallbacks(self.EVENT_CONFIGURING, data.split(' ', 1)[1].split(' ')[0])
  93                         elif data.find('An error occurred') == 0:
  94                                 self.callCallbacks(self.EVENT_ERROR, None)
  95                         elif data.find('Failed to download') == 0:
  96                                 self.callCallbacks(self.EVENT_ERROR, None)
  97                         elif data.find('ipkg_download: ERROR:') == 0:
  98                                 self.callCallbacks(self.EVENT_ERROR, None)
  99         def callCallbacks(self, event, param = None):
 100                 for callback in self.callbackList:
 101                         callback(event, param)
 102
 103         def addCallback(self, callback):
 104                 self.callbackList.append(callback)
 105
 106         def getFetchedList(self):
 107                 return self.fetchedList