86 lines
2.1 KiB
Python
86 lines
2.1 KiB
Python
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__author__="bjschuma"
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__date__ ="$Dec 8, 2009 8:40:36 AM$"
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import sys
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from bt.message import *
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import loader
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class Manager:
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def __init__(self):
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write("Creating plugin manager", True)
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# Map the plugin name to a dictionary
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self.enabled = dict()
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self.disabled = dict()
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def addPlugins(self, plugins):
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# Add each plugin to the disabled list
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for plugin in plugins:
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write("Adding plugin: " + str(plugin), True)
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self.disabled[plugin.name] = plugin
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# If we are adding a core plugin, activate it right away
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try:
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if plugin.type=="core":
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self.enablePlugin(plugin.name)
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except:
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error("Error adding plugin: "+plugin.name)
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# Move plugin from old[name] to new[name]
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# Return the plugin
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def movePlugin(self, name, old, new):
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plugin = old.pop(name)
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new[name] = plugin
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return plugin
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# Disable a plugin
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# Returns true if there was a plugin to disable, false otherwise
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def disablePlugin(self,name):
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if (name in self.enabled) == True:
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write("Disabling plugin: "+name, True)
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plugin = self.movePlugin(name, self.enabled, self.disabled)
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plugin.close()
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return True
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return False
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# Move a plugin to the enabled list
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# Returns true if a plugin was enabled, false otherwise
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def enablePlugin(self,name):
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if (name in self.disabled) == True:
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try:
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write("Enabling plugin: "+name,True)
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plugin = self.movePlugin(name, self.disabled, self.enabled)
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plugin.open()
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return True
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except:
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error("Error enabling: "+name)
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return False
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# Disable the plugin, reload it, reenable it
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def reloadPlugin(self,name):
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# Check if plugin has been loaded
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if (name in sys.modules) == False:
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write("Plugin not loaded: "+name, True)
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return
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# Disable the plugin and pop from sys.modules
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reenable = self.disablePlugin(name)
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reload(self.disabled[name])
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if reenable == True:
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self.enablePlugin(name)
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# Disable all plugins
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def shutdown(self):
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write("Shutting down manager, disabling all active plugins", True)
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keys = self.enabled.keys()
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for plugin in keys:
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self.disablePlugin(plugin)
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global manager
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manager = Manager() |