import os
from Tools.Directories import *
-from Screens.Menu import menuupdater
+from Plugins.Plugin import PluginDescriptor
+
+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.pluginList = [ ]
self.setPluginPrefix("Plugins.")
- self.menuEntries = []
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):
+ """enumerates plugins"""
- def getPluginList(self):
- list = []
- dir = os.listdir(resolveFilename(SCOPE_PLUGINS))
- self.menuDelete()
- self.menuEntries = []
-
- 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)
- picturepath = plugin.getPicturePath()
- pluginname = plugin.getPluginName()
- try:
- for menuEntry in plugin.getMenuRegistrationList():
- self.menuEntries.append([menuEntry, pluginmodule])
- except:
- pass
+ 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:
+ p.updateIcon(path)
+ self.addPlugin(p);
+
+ def getPlugins(self, where):
+ """Get list of plugins in a specific category"""
- list.append((picturepath, pluginname , x))
- 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][2], menuEntry[1], menuEntry[0][3])
+ 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 menuUpdate(self):
- for menuEntry in self.menuEntries:
- menuupdater.addMenuItem(menuEntry[0][0], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
-
- def runPlugin(self, plugin, session):
- try:
- exec "import " + self.prefix + plugin[2] + ".plugin"
- eval(self.prefix + plugin[2] + ".plugin").main(session)
- except:
- print "exec of plugin failed!"
+ def shutdown(self):
+ for p in self.pluginList[:]:
+ self.removePlugin(p)
plugins = PluginComponent()