new plugin interface
[enigma2.git] / lib / python / Components / PluginComponent.py
index adfc98a..cfdbc4d 100644 (file)
@@ -1,76 +1,59 @@
 import os
 
 from Tools.Directories import *
-from Screens.Menu import menuupdater
+
+def my_import(name):
+       mod = __import__(name)
+       components = name.split('.')
+       for comp in components[1:]:
+               mod = getattr(mod, comp)
+       return mod
 
 class PluginComponent:
        def __init__(self):
-               self.plugins = []
+               self.plugins = {}
                self.setPluginPrefix("Plugins.")
-               self.menuEntries = []
                
        def setPluginPrefix(self, prefix):
                self.prefix = prefix
 
-       def getPluginList(self, runAutostartPlugins=False, runAutoendPlugins=False):
-               list = []
-               dir = os.listdir(resolveFilename(SCOPE_PLUGINS))
-               self.menuDelete()
-               self.menuEntries = []
+       def readPluginList(self, runAutostartPlugins=False, runAutoendPlugins=False):
+               """enumerates plugins"""
 
-               for x in dir:
+               directories = os.listdir(resolveFilename(SCOPE_PLUGINS))
+               
+               for x in directories:
                        path = resolveFilename(SCOPE_PLUGINS, x) + "/"
-                       try:
-                               if os.path.exists(path):
-                                       if fileExists(path + "plugin.py"):
-                                               pluginmodule = self.prefix + x + ".plugin"
-                                               print "trying to import " + pluginmodule
-                                               exec "import " + pluginmodule
-                                               plugin = eval(pluginmodule)
-                                               plugins = plugin.getPlugins()
-                                               try: picturepaths = plugin.getPicturePaths()
-                                               except:
-                                                       picturepaths = []
-                                                       for p in plugins:
-                                                               picturepaths.append("")
-                                               try:
-                                                       for menuEntry in plugin.getMenuRegistrationList():
-                                                               self.menuEntries.append([menuEntry, pluginmodule])
-                                               except:
-                                                       pass
-       
-                                               for y in range(len(plugins)):
-                                                       if len(plugins[y]) < 5:
-                                                               list.append((path + picturepaths[y], plugins[y][0] , x, plugins[y][2], plugins[y][3], None, plugins[y][1]))
-                                                       else:
-                                                               list.append((path + picturepaths[y], plugins[y][0] , x, plugins[y][2], plugins[y][3], plugins[y][4], plugins[y][1]))
-                                               if runAutostartPlugins:
-                                                       try: plugin.autostart()
-                                                       except: pass
-                                               if runAutoendPlugins:
-                                                       try: plugin.autoend()
-                                                       except: pass
-                       except:
-                               print "Directory", path, "contains a faulty plugin"
-               self.menuUpdate()
-               return list
-       
-       def menuDelete(self):
-               for menuEntry in self.menuEntries:
-                       menuupdater.delMenuItem(menuEntry[0][0], menuEntry[0][1], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
+                       if os.path.exists(path):
+                               if fileExists(path + "plugin.py"):
+                                       plugin = my_import('.'.join(("Plugins", x, "plugin")))
+                                       
+                                       if not plugin.__dict__.has_key("Plugins"):
+                                               print "Plugin %s doesn't have 'Plugin'-call." % (x)
+                                               continue
+                                       
+                                       print "plugin", plugin
+                                       plugins = plugin.Plugins()
+                                       
+                                       # allow single entry not to be a list
+                                       if type(plugins) is not list:
+                                               plugins = [ plugins ]
+                                       
+                                       for p in plugins:
+                                               print "imported plugin %s" % (p.name)
+                                               
+                                               for x in p.where:
+                                                       self.plugins.setdefault(x, []).append(p)
 
-       def menuUpdate(self):
-               for menuEntry in self.menuEntries:
-                       menuupdater.addMenuItem(menuEntry[0][0], menuEntry[0][1], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
-       
-       def runPlugin(self, plugin, session):
-               try:
-                       exec("import " + self.prefix + plugin[2] + ".plugin")
-                       if plugin[3] == "screen":
-                               session.open(eval(self.prefix + plugin[2] + ".plugin." + plugin[4]), plugin[5])
-                       elif plugin[3] == "function":
-                               eval(self.prefix + plugin[2] + ".plugin." + plugin[4])(session, plugin[5])
-               except:
-                       print "exec of plugin failed!"
+       def getPlugins(self, where):
+               """Get list of plugins in a specific category"""
+               
+               if type(where) is not list:
+                       where = [ where ]
+               res = [ ]
+               for x in where:
+                       for p in self.plugins.get(x, [ ]):
+                               res.append(p)
+               return res
 
 plugins = PluginComponent()