import os
from Tools.Directories import *
-from Screens.Menu import menuupdater
+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
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, 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"):
+ plugin = my_import('.'.join(["Plugins", c, x, "plugin"]))
- def getPluginList(self, runAutostartPlugins=False, runAutoendPlugins=False):
- list = []
- dir = os.listdir(resolveFilename(SCOPE_PLUGINS))
- self.menuDelete()
- self.menuEntries = []
+ if not plugin.__dict__.has_key("Plugins"):
+ print "Plugin %s doesn't have 'Plugin'-call." % (x)
+ continue
- for x in dir:
- 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
+ plugins = plugin.Plugins(path=path)
+
+ # 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)
- list.append((picturepath, pluginname , x))
- 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][2], menuEntry[1], menuEntry[0][3])
+ # 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 menuUpdate(self):
- for menuEntry in self.menuEntries:
- menuupdater.addMenuItem(menuEntry[0][0], menuEntry[0][2], menuEntry[1], menuEntry[0][3])
+ 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 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 clearPluginList(self):
+ self.pluginList = []
+ self.plugins = {}
+
+ def shutdown(self):
+ for p in self.pluginList[:]:
+ self.removePlugin(p)
plugins = PluginComponent()
git.cweiske.de / enigma2.git / blobdiff