I'm doing this ridiculous dance as well over for a town in Georgia; you saw my post I'm sure since the dates are close. I would call everyone involved one at a time (Such as the city government, then whatever regulatory agency the code cites as being the authority on this issue, and lastly the police) and write down everything they tell you. Also go looking for definitions of these things within the ordinances; I found conflicting definitions for mine. In the definition of Wild Animal it specifically classifies reptiles as wild/exotic, yet elsewhere defines domestic animals(specifically including reptiles) as any animal that spends much of its time living with/being dependent on people. So are my snakes/geckos wild or domestic? For you they may define "pythons" and "boas" in another section and you may discover "python+boa" only covers specific species you don't have. The definitions part of the ordinance is equally important as the law part.

If there is a reptile society in your area call them and ask too; they are always working to protect the right to keep reptiles and often know the local law very well. I got on the right track after calling mine. If somehow you ARE expected to have a permit that society might be willing to help you change the law. Especially since ball pythons are such a gross far cry from the giant constrictors.

And here's the last part; check dates on when things were passed and compare that with the information you get from the city, the authority, and the police. You may find that something is on the books but is superseded by a modern law or something is so old that no one has even heard of it, much less enforces it. Lots of ferret laws come to mind for the last example.

Good luck!