class Gamin(FileMonitor): """ file monitor with gamin support """ __priority__ = 10 def __init__(self, ignore=None, debug=False): FileMonitor.__init__(self, ignore=ignore, debug=debug) self.mon = None self.counter = 0 self.add_q = [] def start(self): FileMonitor.start(self) self.mon = WatchMonitor() for monitor in self.add_q: self.AddMonitor(*monitor) self.add_q = [] def fileno(self): return self.mon.get_fd() def queue(self, path, action, request_id): """queue up the event for later handling""" self.events.append(GaminEvent(request_id, path, action)) def AddMonitor(self, path, obj, handle=None): """Add a monitor to path, installing a callback to obj.""" if handle is None: handle = self.counter self.counter += 1 if not self.started: self.add_q.append((path, obj, handle)) return handle mode = os.stat(path)[stat.ST_MODE] # Flush queued gamin events while self.mon.event_pending(): self.mon.handle_one_event() if stat.S_ISDIR(mode): self.mon.watch_directory(path, self.queue, handle) else: self.mon.watch_file(path, self.queue, handle) self.handles[handle] = obj return handle def pending(self): return FileMonitor.pending(self) or self.mon.event_pending() def get_event(self): if self.mon.event_pending(): self.mon.handle_one_event() return FileMonitor.get_event(self)
class Gamin(FileMonitor): """ The fam object is a set of callbacks for file alteration events (Gamin support) """ def __init__(self, debug=False): FileMonitor.__init__(self, debug) self.mon = WatchMonitor() self.counter = 0 self.events = [] def fileno(self): return self.mon.get_fd() def queue(self, path, action, request_id): """queue up the event for later handling""" self.events.append(GaminEvent(request_id, path, action)) def AddMonitor(self, path, obj): """Add a monitor to path, installing a callback to obj.HandleEvent.""" handle = self.counter self.counter += 1 mode = os.stat(path)[stat.ST_MODE] # Flush queued gamin events while self.mon.event_pending(): self.mon.handle_one_event() if stat.S_ISDIR(mode): self.mon.watch_directory(path, self.queue, handle) else: self.mon.watch_file(path, self.queue, handle) self.handles[handle] = obj return handle def pending(self): return len(self.events) > 0 or self.mon.event_pending() def get_event(self): if self.mon.event_pending(): self.mon.handle_one_event() return self.events.pop(0)
class Gamin(FileMonitor): """ File monitor backend with `Gamin <http://people.gnome.org/~veillard/gamin/>`_ support. **Deprecated.** """ #: The Gamin backend is deprecated, but better than pseudo, so it #: has a medium priority. __priority__ = 50 def __init__(self): FileMonitor.__init__(self) #: The :class:`Gamin.WatchMonitor` object for this monitor. self.mon = None #: The counter used to produce monotonically increasing #: monitor handle IDs self.counter = 0 #: The queue used to record monitors that are added before #: :func:`start` has been called and :attr:`mon` is created. self.add_q = [] self.logger.warning("The Gamin file monitor backend is deprecated. " "Please switch to a supported file monitor.") __init__.__doc__ = FileMonitor.__init__.__doc__ def start(self): """ The Gamin watch monitor in :attr:`mon` must be created by the daemonized process, so is created in ``start()``. Before the :class:`Gamin.WatchMonitor` object is created, monitors are added to :attr:`add_q`, and are created once the watch monitor is created.""" FileMonitor.start(self) self.mon = WatchMonitor() for monitor in self.add_q: self.AddMonitor(*monitor) self.add_q = [] def fileno(self): if self.started: return self.mon.get_fd() else: return None fileno.__doc__ = FileMonitor.fileno.__doc__ def queue(self, path, action, request_id): """ Create a new :class:`GaminEvent` and add it to the :attr:`events` queue for later handling. """ self.events.append(GaminEvent(request_id, path, action)) def AddMonitor(self, path, obj, handle=None): if handle is None: handle = self.counter self.counter += 1 if not self.started: self.add_q.append((path, obj, handle)) return handle mode = os.stat(path)[stat.ST_MODE] # Flush queued gamin events while self.mon.event_pending(): self.mon.handle_one_event() if stat.S_ISDIR(mode): self.mon.watch_directory(path, self.queue, handle) else: self.mon.watch_file(path, self.queue, handle) self.handles[handle] = obj return handle AddMonitor.__doc__ = FileMonitor.AddMonitor.__doc__ def pending(self): return FileMonitor.pending(self) or self.mon.event_pending() pending.__doc__ = FileMonitor.pending.__doc__ def get_event(self): if self.mon.event_pending(): self.mon.handle_one_event() return FileMonitor.get_event(self) get_event.__doc__ = FileMonitor.get_event.__doc__
#INICIO DEL PROGRAMA opts, args = proc_opts() preparaInt(opts.directorio) d = dbm.open(opts.hashfile, "r") def monitor(fichero, event): if event == GAMChanged: if d.has_key(os.path.join(opts.directorio, fichero)): if d[os.path.join(opts.directorio, fichero)] != funcHash( os.path.join(opts.directorio, fichero)): print "Ha cambiado el contenido de " + fichero + " el " + time.strftime( "%d/%b/%Y - %H:%M:%S") else: None return True if __name__ == "__main__": mon = WatchMonitor() mon.watch_directory(opts.directorio, monitor) time.sleep(1) fd = mon.get_fd() while True: select([fd], [], []) if mon.event_pending(): mon.handle_events() mon.stop_watch(fichero) del mon