def medium_priority(self):
        
        return self.filter(priority='2')
Generating a thumbnail based on document first file
dataset/ETHPy150Open brosner/django-mailer/mailer/models.py/MessageManager.medium_priority--crossover with--dataset/ETHPy150Open adlibre/Adlibre-DMS/adlibre_dms/apps/dms_plugins/workers/transfer/thumbnails.py/ThumbnailsFilesystemHandler.generate_thumbnail_from_jpeg