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//proc/self/root/usr/lib64/python2.7/site-packages/problem/watch.py
import os import logging import problem class ProblemWatcher(object): ''' New problem signal handler attached to DBus signal Use ``auth=True`` if authentication should be attempted for new problem that doesn't belong to current user. If not set such a problem is ignored. ''' def __init__(self, auth): import dbus import gobject from dbus.mainloop.glib import DBusGMainLoop gobject.threads_init() bus = dbus.SystemBus( mainloop=DBusGMainLoop(), private=True) self.bus = bus self.auth = auth self.callbacks = [] # local context required!? # http://rmarko.fedorapeople.org/random/high_five.jpg evt_match = self.bus.add_signal_receiver( self._new_problem_handler, signal_name='Crash', path='/org/freedesktop/problems') # add second listener for the old path evt_match_old_path = self.bus.add_signal_receiver( self._new_problem_handler, signal_name='Crash', path='/com/redhat/abrt') self.loop = gobject.MainLoop() def _new_problem_handler(self, comp, ddir, uid, uuid, duphash): logging.debug('New problem notification received') if int(uid) != os.getuid() and not self.auth: logging.debug('Auth disabled, ignoring crash with' ' uid: {0}'.format(uid)) return prob = problem.tools.problemify(ddir, problem.proxies.get_proxy()) for cb in self.callbacks: cb(prob) def add_callback(self, fun): ''' Add callback to be called when new problem occurs. Each callback function receives ``Problem`` instance ''' self.callbacks.append(fun) def run(self): ''' Start event listener loop ''' self.loop.run() def quit(self): ''' Stop event listener loop ''' self.loop.quit()