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__
def monitor(path, event): if event == GAMExists: g.readlines() if event == GAMChanged: ultimasL=g.readlines() for l in ultimasL: dfields = logfields(l) if logfilter(dfields, dfilters): if opts.filtrables: sys.stderr.write(l[:24]+" "+l.split()[6]+" "+l.split()[8]+" "+l.split()[13]+"\n") elif opts.completo: sys.stderr.write(l) return True mon = WatchMonitor() mon.watch_file(opts.logfile, 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 #para probarlo abro otra terminal y hago echo "xxxx" >> vsftpd.log #Si quiero meter varias lineas en bloque hago echo "xxxx" >> vsftpd.log && echo "yyyyy" >> vsftpd.log
ret = 'oi' if __name__ == '__main__': def callback(path, event , mon): print "Got callback: %s, %s" % (path, event) ; print mon mon = event mon = WatchMonitor() ; file = raw_input() ; mon.watch_file( file , callback , ret ) ; print ret ; print 'oi2' f = open( file ) ; #log = open("log",'w') ; F_read = mon.get_fd() ; s = f.readline() ; while s : print s ; s = f.readline() ; try: while True : (re, spi, spe) = select( [F_read] , [] , [] ); if re: ret = mon.event_pending() print "pending: ", ret if ret > 0: ret = mon.handle_one_event() ; print "processed %d event" % (ret) ; if ret == 1 : print "alteracoes:"