If it's something like slipped skin or a bacterial infection of the skin weakening it, then glue or stitches won't hold. The other example I saw was treated with cleansing solutions and then wrapped I believe. I don't think it made it though, so I hope whatever the vet is trying does work.
Ball pythons are pretty sturdy and are capable of recovering from a lot, so there's always hope.
(for what it's worth, I understood Asherah was directing the warning about neglect being a criminal offense to the person(s) who were advising that owners should not seek any treatment simply because the pet is a 'wild' animal instead of a domesticated species... not towards the OP who is doing everything that he can to treat his pet.)
Good luck.
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