37 lines
980 B
Python
37 lines
980 B
Python
#!/usr/bin/python2 -O
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import inspect
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import qubes.events
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import qubes.plugins
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class ExtensionPlugin(qubes.plugins.Plugin):
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def __init__(cls, name, bases, dict_):
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super(ExtensionPlugin, cls).__init__(name, bases, dict_)
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cls._instance = None
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def __call__(cls, *args, **kwargs):
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if cls._instance is None:
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cls._instance = super(ExtensionPlugin, cls).__call__(*args, **kwargs)
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return cls._instance
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class Extension(object):
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__metaclass__ = ExtensionPlugin
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def __init__(self):
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for name in dir(self):
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attr = getattr(self, name)
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if not ishook(attr):
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continue
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if attr.ho_vm is not None:
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attr.ho_vm.add_hook(event, attr)
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else:
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# global hook
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qubes.events.add_system_hook(event, attr)
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def init():
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for ext in Extension.register.values():
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instance = ext()
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__all__ = qubes.plugins.load(__file__)
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