@property
    def mimetype_handler(self):
        if not hasattr(self, '_thumbnail'):
            self._thumbnail = MimetypeHandler.for_type(self)

        return self._thumbnail
Constructor.
dataset/ETHPy150Open reviewboard/reviewboard/reviewboard/attachments/models.py/FileAttachment.mimetype_handler--crossover with--dataset/ETHPy150Open crossbario/autobahn-python/autobahn/wamp/protocol.py/ApplicationSession.__init__