2011-09-24 20:26:31 +00:00
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from plugin import BasePlugin
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2011-09-23 15:43:01 +00:00
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import os
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import stat
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import pyinotify
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SCREEN_DIR = '/var/run/screen/S-%s' % (os.getlogin(),)
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class Plugin(BasePlugin):
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def init(self):
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self.timed_event = None
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sock_path = None
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self.thread = None
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for f in os.listdir(SCREEN_DIR):
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path = os.path.join(SCREEN_DIR, f)
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if screen_attached(path):
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sock_path = path
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self.attached = True
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break
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# Only actually do something if we found an attached screen (assuming only one)
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if sock_path:
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wm = pyinotify.WatchManager()
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wm.add_watch(sock_path, pyinotify.EventsCodes.ALL_FLAGS['IN_ATTRIB'])
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self.thread = pyinotify.ThreadedNotifier(wm, default_proc_fun=HandleScreen(plugin=self))
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self.thread.start()
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def cleanup(self):
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if self.thread:
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self.thread.stop()
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def update_screen_state(self, socket):
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attached = screen_attached(socket)
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if attached != self.attached:
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self.attached = attached
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status = 'available' if self.attached else 'away'
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self.core.command_status(status)
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def screen_attached(socket):
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return (os.stat(socket).st_mode & stat.S_IXUSR) != 0
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class HandleScreen(pyinotify.ProcessEvent):
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def my_init(self, **kwargs):
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self.plugin = kwargs['plugin']
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def process_IN_ATTRIB(self, event):
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self.plugin.update_screen_state(event.path)
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