-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 *
-
-def my_import(name):
- mod = __import__(name)
- components = name.split('.')
- for comp in components[1:]:
- mod = getattr(mod, comp)
- return mod
+from Tools.Directories import fileExists
+from Tools.Import import my_import
+from Plugins.Plugin import PluginDescriptor
+import keymapparser
class PluginComponent:
+ firstRun = True
+ restartRequired = False
+
def __init__(self):
self.plugins = {}
+ self.pluginList = [ ]
+ self.installedPluginList = [ ]
self.setPluginPrefix("Plugins.")
-
+ self.resetWarnings()
+
def setPluginPrefix(self, prefix):
self.prefix = prefix
- def readPluginList(self, runAutostartPlugins=False, runAutoendPlugins=False):
+ def addPlugin(self, plugin):
+ if self.firstRun or plugin.needsRestart is False:
+ self.pluginList.append(plugin)
+ for x in plugin.where:
+ self.plugins.setdefault(x, []).append(plugin)
+ if x == PluginDescriptor.WHERE_AUTOSTART:
+ plugin(reason=0)
+ else:
+ self.restartRequired = True
+
+ 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"""
- directories = os.listdir(resolveFilename(SCOPE_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.pyo") 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 not isinstance(plugins, list):
+ plugins = [ plugins ]
+
+ for p in plugins:
+ p.path = path
+ 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 not p.internal and p not in new_plugins]
- for x in directories:
- path = resolveFilename(SCOPE_PLUGINS, x) + "/"
- 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:
- print "imported plugin %s" % (p.name)
+ #ignore already installed but reloaded plugins
+ for p in plugins_removed:
+ for pa in plugins_added:
+ if pa.path == p.path and pa.where == p.where:
+ pa.needsRestart = False
+
+ for p in plugins_removed:
+ self.removePlugin(p)
+
+ for p in plugins_added:
+ if self.firstRun or p.needsRestart is False:
+ self.addPlugin(p)
+ else:
+ for installed_plugin in self.installedPluginList:
+ if installed_plugin.path == p.path:
+ if installed_plugin.where == p.where:
+ p.needsRestart = False
+ self.addPlugin(p)
- for x in p.where:
- self.plugins.setdefault(x, []).append(p)
+ if self.firstRun:
+ self.firstRun = False
+ self.installedPluginList = self.pluginList
def getPlugins(self, where):
"""Get list of plugins in a specific category"""
-
- if type(where) is not list:
+
+ if not isinstance(where, list):
where = [ where ]
res = [ ]
+
for x in where:
- for p in self.plugins.get(x, [ ]):
- res.append(p)
+ res.extend(self.plugins.get(x, [ ]))
+ res.sort(key=lambda x:x.weight)
+ return res
+
+ def getPluginsForMenu(self, menuid):
+ res = [ ]
+ for p in self.getPlugins(PluginDescriptor.WHERE_MENU):
+ 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 = [ ]
+
+ def getNextWakeupTime(self):
+ wakeup = -1
+ for p in self.pluginList:
+ current = p.getWakeupTime()
+ if current > -1 and (wakeup > current or wakeup == -1):
+ wakeup = current
+ return int(wakeup)
+
plugins = PluginComponent()
projects / vuplus_dvbapp / blobdiff