X-Git-Url: https://git.cweiske.de/enigma2.git/blobdiff_plain/7fe27f601f70eddb3019e22cbdb8388c05d3af7e..6ac5293d96c9fcd2961d3a71c635c485cf254a1d:/lib/python/Components/PluginComponent.py

diff --git a/lib/python/Components/PluginComponent.py b/lib/python/Components/PluginComponent.py
index f1a0a95a..4356456c 100644
--- a/lib/python/Components/PluginComponent.py
+++ b/lib/python/Components/PluginComponent.py
@@ -1,36 +1,105 @@
 import os
+import traceback
 
 from Tools.Directories import *
-#import Plugins
+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.")
 		
 	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 x in os.listdir(directory_category):
+				path = directory_category + "/" + x
+				if os.path.isdir(path):
+					if fileExists(path + "/plugin.pyc") or fileExists(path + "/plugin.py"):
+						try:
+							plugin = my_import('.'.join(["Plugins", c, x, "plugin"]))
+
+							if not plugin.__dict__.has_key("Plugins"):
+								print "Plugin %s doesn't have 'Plugin'-call." % (x)
+								continue
+
+							plugins = plugin.Plugins(path=path)
+						except Exception, exc:
+							print "Plugin ", path, "failed to load:", exc
+							traceback.print_exc(file=sys.stdout)
+							print "skipping plugin."
+							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)
 
 plugins = PluginComponent()