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                                                 plugins = plugin.getPlugins()
  31                                                 try: picturepaths = plugin.getPicturePaths()
  32                                                 except:
  33                                                         picturepaths = []
  34                                                         for p in plugins:
  35                                                                 picturepaths.append("")
  36                                                 try:
  37                                                         for menuEntry in plugin.getMenuRegistrationList():
  38                                                                 self.menuEntries.append([menuEntry, pluginmodule])
  39                                                 except:
  40                                                         pass
  41
  42                                                 for y in range(len(plugins)):
  43                                                         if len(plugins[y]) < 5:
  44                                                                 list.append((path + picturepaths[y], plugins[y][0] , x, plugins[y][2], plugins[y][3], None, plugins[y][1]))
  45                                                         else:
  46                                                                 list.append((path + picturepaths[y], plugins[y][0] , x, plugins[y][2], plugins[y][3], plugins[y][4], plugins[y][1]))
  47                                                 if runAutostartPlugins:
  48                                                         try: plugin.autostart()
  49                                                         except: pass
  50                                                 if runAutoendPlugins:
  51                                                         try: plugin.autoend()
  52                                                         except: pass
  53                         except:
  54                                 print "Directory", path, "contains a faulty plugin"
  55                 self.menuUpdate()
  56                 return list
  57
  58         def menuDelete(self):
  59                 for menuEntry in self.menuEntries:
  60                         menuupdater.delMenuItem(menuEntry[0][0], menuEntry[0][1], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
  61
  62         def menuUpdate(self):
  63                 for menuEntry in self.menuEntries:
  64                         menuupdater.addMenuItem(menuEntry[0][0], menuEntry[0][1], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
  65
  66         def runPlugin(self, plugin, session):
  67                 try:
  68                         exec("import " + self.prefix + plugin[2] + ".plugin")
  69                         if plugin[3] == "screen":
  70                                 session.open(eval(self.prefix + plugin[2] + ".plugin." + plugin[4]), plugin[5])
  71                         elif plugin[3] == "function":
  72                                 eval(self.prefix + plugin[2] + ".plugin." + plugin[4])(session, plugin[5])
  73                 except:
  74                         print "exec of plugin failed!"
  75
  76 plugins = PluginComponent()