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class AvatarProvider(object):
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"""Base class for Avatar providers.
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Master class for Avatar providers.
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All AvatarProviderXxxx classes should inherite from this one
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and override at least get_base_url.
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def __init__(self, size=80):
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""" Constructor """
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def get_base_url(self):
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"""Return the base URL of this provider.
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raise NotImplementedError(self.get_base_url)
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Override this methode in your provider class in order to return
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base url of your provider.
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raise NotImplementedError("You must implement the get_base_url method.")
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class AvatarDownloaderWorker(threading.Thread):
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"""Threaded worker to retrieve avatar from a provider.
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This creates a persistant connection to the provider in order
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to get avatars quickly through the same socket (urllib2).
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Threaded worker to retrieve avatar from a provider.
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It create a persitante connection to the provider in order
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to get avatars quickly through the same socket (urllib3).
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def __init__(self, provider_method):
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:param provider_method: Provider method that returns fields
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to send with the request.
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provider_method: Provider method that return fields
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to send with the request.
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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.__end_thread = False
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""" Stop this worker """
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self.__end_thread = True
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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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self.__callback_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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Put in Queue the id_field to treat in the thread.
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This id_field is for example with Gravatar the email address.
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self.__queue.put(id_field)
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"""Worker core code. """
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""" Worker core code. """
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while not self.__end_thread:
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id_field = self.__queue.get()
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# Call provider method to get fields to pass in the request
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class AvatarProviderGravatar(AvatarProvider):
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"""Gravatar provider."""
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""" Gravatar provider """
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super(AvatarProviderGravatar, self).__init__()
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def get_base_url(self):
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return "http://www.gravatar.com/avatar.php?"
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def gravatar_id_for_email(self, email):
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"""Return a gravatar URL for an email address.."""
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""" Return a converted email address to a gravatar_id """
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return self.get_base_url() + \
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urllib.urlencode({
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'gravatar_id':hashlib.md5(email.lower()).hexdigest(),
added
removed
avatarproviders.py
