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Viewing changes to avatarproviders.py

  • Committer: Jelmer Vernooij
  • Date: 2011-10-30 08:07:30 UTC
  • mfrom: (739 trunk)
  • mto: This revision was merged to the branch mainline in revision 741.
  • Revision ID: jelmer@samba.org-20111030080730-512dn70l3sxhsevn
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Lines of Context:
avatarproviders.py
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        threading.Thread.__init__(self)
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        self.__stop = threading.Event()
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        self.__queue = Queue.Queue()
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        self.__provider_method = provider_method
 
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        self.__callback_method = None
 
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        self.__error_method = None
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    def stop(self):
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        """ Stop this worker """
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        return not self.__stop.is_set()
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    def set_callback_method(self, method):
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        """ Fire the given callback method when treatment is finished """
 
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        """Fire the given callback method when treatment is finished."""
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        self.__callback_method = method
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    def set_error_method(self, method):
 
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        """Fire the given callback when retrieving a avatar fails."""
 
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        self.__error_method = method
 
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    def queue(self, id_field):
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        """Put in Queue the id_field to treat in the thread.
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                # Call provider method to get fields to pass in the request
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                url = self.__provider_method(id_field)
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                # Execute the request
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                response = urllib2.urlopen(url)
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                # Fire the callback method
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                if not self.__callback_method is None:
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                    self.__callback_method(response, id_field)
 
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                try:
 
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                    response = urllib2.urlopen(url)
 
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                except urllib2.URLError, e:
 
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                    if self.__error_method is not None:
 
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                        self.__error_method(e)
 
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                else:
 
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                    # Fire the callback method
 
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                    if not self.__callback_method is None:
 
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                        self.__callback_method(response, id_field)
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                self.__queue.task_done()
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            except Queue.Empty:
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                # There is no more work to do.