sintonia/python_apps/media-monitor2/media/monitor/handler.py

46 lines
1.9 KiB
Python

# -*- coding: utf-8 -*-
from pydispatch import dispatcher
import abc
from media.monitor.log import Loggable
import media.monitor.pure as mmp
# Defines the handle interface
class Handles(object):
__metaclass__ = abc.ABCMeta
@abc.abstractmethod
def handle(self, sender, event, *args, **kwargs): pass
# TODO : remove the code duplication between ReportHandler and
# ProblemFileHandler. Namely the part where both initialize pydispatch
# TODO : Investigate whether weak reffing in dispatcher.connect could possibly
# cause a memory leak
class ReportHandler(Handles):
__metaclass__ = abc.ABCMeta
def __init__(self, signal):
self.signal = signal
self.report_signal = "badfile"
def dummy(sender, event): self.handle(sender,event)
dispatcher.connect(dummy, signal=signal, sender=dispatcher.Any, weak=False)
def report_problem_file(self, event, exception=None):
dispatcher.send(signal=self.report_signal, sender=self, event=event, exception=exception)
class ProblemFileHandler(Handles, Loggable):
def __init__(self, channel, **kwargs):
self.channel = channel
self.signal = self.channel.signal
self.problem_dir = self.channel.path
def dummy(sender, event, exception): self.handle(sender, event, exception)
dispatcher.connect(dummy, signal=self.signal, sender=dispatcher.Any, weak=False)
mmp.create_dir( self.problem_dir )
self.logger.info("Initialized problem file handler. Problem dir: '%s'" % self.problem_dir)
def handle(self, sender, event, exception=None):
self.logger.info("Received problem file: '%s'. Supposed to move it to problem dir", event.path)
try: mmp.move_to_dir(dir_path=self.problem_dir, file_path=event.path)
except Exception as e:
self.logger.info("Could not move file: '%s' to problem dir: '%s'" % (event.path, self.problem_dir))
self.logger.info("Exception: %s" % str(e))