tustvold commented on issue #384:
URL:
https://github.com/apache/arrow-rs-object-store/issues/384#issuecomment-2914982653
> why should control characters not be handled there as well?
They are, `Path::from("\x01.txt).as_ref() == "%01.txt" `.
As for why enforce this at the type level, it's all tradeoffs. Disallowing
empty or relative path segments along with trailing (or leading) `/` is fairly
integral to how path resolution functions w.r.t things like
list_with_delimiter, etc... and therefore needs to be done at this level.
Permitted characters is more subjective, we used to be even more strict, but
this was loosened. IMO sticking control characters in what are meant to be
human readable paths is not something that makes a great deal of sense to
support.
Ultimately object_store's goal has to make some opinionated decisions to
make good on its portability promises. Excluding control characters is
sufficient to ensure portability, with the sole exception of Windows
filesystems (where the restrictions are so arcane as to be impractical to bake
into Path).
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