-import os
+from os import path as os_path, listdir as os_listdir
+from traceback import print_exc
+from sys import stdout
-from Tools.Directories import *
-#import Plugins
+from Tools.Directories import fileExists
+from Tools.Import import my_import
+from Plugins.Plugin import PluginDescriptor
class PluginComponent:
def __init__(self):
- self.plugins = []
+ self.plugins = {}
+ self.pluginList = [ ]
self.setPluginPrefix("Plugins.")
-
+ self.resetWarnings()
+
def setPluginPrefix(self, prefix):
self.prefix = prefix
- def getPluginList(self):
- list = []
- dir = os.listdir("/usr/lib/enigma2/python/Plugins/")
- for x in dir:
- if x[-3:] == ".py" and x[:-3] != "__init__":
- #try:
- print "trying to import " + self.prefix + x[:-3]
- exec "import " + self.prefix + x[:-3]
- picturepath = eval(self.prefix + x[:-3]).getPicturePath()
- pluginname = eval(self.prefix + x[:-3]).getPluginName()
- list.append((picturepath, pluginname , x[:-3]))
- #except:
- #print "Failed to open module - wrong plugin!"
- return list
-
- def runPlugin(self, plugin, session):
- try:
- exec "import " + self.prefix + plugin[2]
- eval(self.prefix + plugin[2]).main(session)
- except:
- print "exec of plugin failed!"
+ def addPlugin(self, plugin):
+ self.pluginList.append(plugin)
+ for x in plugin.where:
+ self.plugins.setdefault(x, []).append(plugin)
+ if x == PluginDescriptor.WHERE_AUTOSTART:
+ plugin(reason=0)
+
+ def removePlugin(self, plugin):
+ self.pluginList.remove(plugin)
+ for x in plugin.where:
+ self.plugins[x].remove(plugin)
+ if x == PluginDescriptor.WHERE_AUTOSTART:
+ plugin(reason=1)
+
+ def readPluginList(self, directory):
+ """enumerates plugins"""
+
+ categories = os_listdir(directory)
+
+ new_plugins = [ ]
+
+ for c in categories:
+ directory_category = directory + c
+ if not os_path.isdir(directory_category):
+ continue
+ open(directory_category + "/__init__.py", "a").close()
+ for pluginname in os_listdir(directory_category):
+ path = directory_category + "/" + pluginname
+ if os_path.isdir(path):
+ if fileExists(path + "/plugin.pyc") or fileExists(path + "/plugin.py"):
+ try:
+ plugin = my_import('.'.join(["Plugins", c, pluginname, "plugin"]))
+
+ if not plugin.__dict__.has_key("Plugins"):
+ print "Plugin %s doesn't have 'Plugin'-call." % (pluginname)
+ continue
+
+ plugins = plugin.Plugins(path=path)
+ except Exception, exc:
+ print "Plugin ", c + "/" + pluginname, "failed to load:", exc
+ print_exc(file=stdout)
+ print "skipping plugin."
+ self.warnings.append( (c + "/" + pluginname, str(exc)) )
+ continue
+
+ # allow single entry not to be a list
+ if type(plugins) is not list:
+ plugins = [ plugins ]
+
+ for p in plugins:
+ p.updateIcon(path)
+ new_plugins.append(p)
+
+ # build a diff between the old list of plugins and the new one
+ # internally, the "fnc" argument will be compared with __eq__
+ plugins_added = [p for p in new_plugins if p not in self.pluginList]
+ plugins_removed = [p for p in self.pluginList if p not in new_plugins]
+
+ for p in plugins_removed:
+ self.removePlugin(p)
+
+ for p in plugins_added:
+ self.addPlugin(p)
+
+ 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
+
+ def getPluginsForMenu(self, menuid):
+ res = [ ]
+ for p in self.getPlugins(PluginDescriptor.WHERE_SETUP):
+ res += p(menuid)
+ return res
+
+ def clearPluginList(self):
+ self.pluginList = []
+ self.plugins = {}
+
+ def shutdown(self):
+ for p in self.pluginList[:]:
+ self.removePlugin(p)
+
+ def resetWarnings(self):
+ self.warnings = [ ]
plugins = PluginComponent()