X-Git-Url: http://code.vuplus.com/gitweb/?p=vuplus_dvbapp;a=blobdiff_plain;f=lib%2Fpython%2FComponents%2FPluginComponent.py;h=0e178fff0790050f3338e4638106992339c9f628;hp=cfdbc4d0d00a643b3026b9e5be86d451324ba782;hb=6a3f59e24b003c417fbf6b31f8a6d87817fec24c;hpb=daaf4b6ba8fbddd81553e0076385220ef1a7f327 diff --git a/lib/python/Components/PluginComponent.py b/lib/python/Components/PluginComponent.py old mode 100644 new mode 100755 index cfdbc4d..0e178ff --- a/lib/python/Components/PluginComponent.py +++ b/lib/python/Components/PluginComponent.py @@ -1,59 +1,143 @@ -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.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.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] + + #ignore already installed but reloaded plugins + for p in plugins_removed: + for pa in plugins_added: + if pa.name == p.name and pa.where == p.where: + pa.needsRestart = False + + for p in plugins_removed: + self.removePlugin(p) + + for p in plugins_added: + self.addPlugin(p) - 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) - - for x in p.where: - self.plugins.setdefault(x, []).append(p) + if self.firstRun: + self.firstRun = False 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, [ ])) + + 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()