when no listbox instance is available yet, index will be 0 when list is there, so...

[enigma2.git] / lib / python / Components / PluginComponent.py

diff --git a/lib/python/Components/PluginComponent.py b/lib/python/Components/PluginComponent.py
index e5ceb90d5b5a37ca272b959a417d59177d970d24..44fe896a4e4884f3c88ca63866bc5a778b5fe272 100644 (file)
--- a/lib/python/Components/PluginComponent.py
+++ b/lib/python/Components/PluginComponent.py
@@ -1,62 +1,66 @@
-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 *
+from Tools.Directories import fileExists
+from Tools.Import import my_import
 from Plugins.Plugin import PluginDescriptor
-
-def my_import(name):
-       print name
-       mod = __import__(name)
-       components = name.split('.')
-       for comp in components[1:]:
-               mod = getattr(mod, comp)
-       return mod
+import keymapparser
 
 class PluginComponent:
        def __init__(self):
                self.plugins = {}
                self.pluginList = [ ]
                self.setPluginPrefix("Plugins.")
-               
+               self.resetWarnings()
+
        def setPluginPrefix(self, prefix):
                self.prefix = prefix
-       
+
        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)
-               
+
+               categories = os_listdir(directory)
+
                new_plugins = [ ]
-               
+
                for c in categories:
                        directory_category = directory + c
-                       if not os.path.isdir(directory_category):
+                       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.py"):
-                                               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
+                       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"]))
 
-                                               plugins = plugin.Plugins()
+                                                       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:
@@ -65,21 +69,28 @@ class PluginComponent:
                                                for p in plugins:
                                                        p.updateIcon(path)
                                                        new_plugins.append(p)
-               
+
+                                               if fileExists(path + "/keymap.xml"):
+                                                       try:
+                                                               keymapparser.readKeymap(path + "/keymap.xml")
+                                                       except Exception, exc:
+                                                               print "keymap for plugin %s/%s failed to load: " % (c, pluginname), exc
+                                                               self.warnings.append( (c + "/" + pluginname, str(exc)) )
+
                # 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 = [ ]
@@ -87,7 +98,13 @@ class PluginComponent:
                        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 = {}
@@ -96,4 +113,7 @@ class PluginComponent:
                for p in self.pluginList[:]:
                        self.removePlugin(p)
 
+       def resetWarnings(self):
+               self.warnings = [ ]
+
 plugins = PluginComponent()