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Alex Rivera
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I'm trying to create a simple photo gallery with the default Django admin. I'd like to save a sample photo for each gallery, but I don't want to keep the filname. Instead of the filename, I'd like to save the id of the model ( N.jpg ). But the first time I want to save the object the id does not exist. How could I know the next auto increment in the model, or somehow save the model data before the upload with super.save and after upload the file when self.id is exists? Is there a cool solution? Something like this: def upload_path_handler(instance, filename): ext = filename extension return "site_media/images/gallery/{id}.{ext}".format(id=instance.nextincrement, ext=ext) class Gallery(models.Model): name = models.TextField() image = models.FileField(upload_to=upload_path_handler) And maybe store the filename in a different field.
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