Example save FieldField in Django

snippet.py

class Voucher(AbstractThumbnail, AbstractTimestamp):
  ...
  image = models.ImageField(default='uc.png', upload_to='vouchers')


def give_voucher(...):
  filename = str(uuid.uuid4()) + '.jpg'
    with open(str(settings.BASE_DIR('apps/vouchers/S__10838070.jpg')), 'rb') as file:
      data = File(file)
      voucher.image.save(filename, data, True)
      voucher.save()