def get_next_available_revision_label(self):
# type: () -> str
highest_label = 'A'
for r in self.get_revisions(True, True):
highest_label = r.label
return base26_encode(base26_decode(highest_label) + 1)
def handle(self, *args, **options):
images = Image.objects.exclude(imagerevision=None).order_by('id')
for i in images:
count = 0
for r in i.imagerevision_set.all().order_by('id'):
r.label = base26_encode(count)
r.save(keep_deleted=True)
count += 1
print("Processed %d images." % images.count())