lib/python/Components/PluginComponent.py

   1 import os
   2
   3 from Tools.Directories import *
   4 from Screens.Menu import menuupdater
   5
   6 class PluginComponent:
   7         def __init__(self):
   8                 self.plugins = []
   9                 self.setPluginPrefix("Plugins.")
  10                 self.menuEntries = []
  11
  12         def setPluginPrefix(self, prefix):
  13                 self.prefix = prefix
  14
  15         def getPluginList(self, runAutostartPlugins=False, runAutoendPlugins=False):
  16                 list = []
  17                 dir = os.listdir(resolveFilename(SCOPE_PLUGINS))
  18                 self.menuDelete()
  19                 self.menuEntries = []
  20
  21                 for x in dir:
  22                         path = resolveFilename(SCOPE_PLUGINS, x) + "/"
  23                         try:
  24                                 if os.path.exists(path):
  25                                         if fileExists(path + "plugin.py"):
  26                                                 pluginmodule = self.prefix + x + ".plugin"
  27                                                 print "trying to import " + pluginmodule
  28                                                 exec "import " + pluginmodule
  29                                                 plugin = eval(pluginmodule)
  30                                                 picturepath = plugin.getPicturePath()
  31                                                 pluginname = plugin.getPluginName()
  32                                                 try:
  33                                                         for menuEntry in plugin.getMenuRegistrationList():
  34                                                                 self.menuEntries.append([menuEntry, pluginmodule])
  35                                                 except:
  36                                                         pass
  37
  38                                                 list.append((picturepath, pluginname , x))
  39                                                 if runAutostartPlugins:
  40                                                         try: plugin.autostart()
  41                                                         except: pass
  42                                                 if runAutoendPlugins:
  43                                                         try: plugin.autoend()
  44                                                         except: pass
  45
  46                         except:
  47                                 print "Directory", path, "contains a faulty plugin"
  48                 self.menuUpdate()
  49                 return list
  50
  51         def menuDelete(self):
  52                 for menuEntry in self.menuEntries:
  53                         menuupdater.delMenuItem(menuEntry[0][0], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
  54
  55         def menuUpdate(self):
  56                 for menuEntry in self.menuEntries:
  57                         menuupdater.addMenuItem(menuEntry[0][0], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
  58
  59         def runPlugin(self, plugin, session):
  60                 try:
  61                         exec "import " + self.prefix + plugin[2] + ".plugin"
  62                         eval(self.prefix + plugin[2] + ".plugin").main(session)
  63                 except:
  64                         print "exec of plugin failed!"
  65
  66 plugins = PluginComponent()