gentoo@chymera.eu Horea Christian sci@gentoo.org Gentoo Science Project fscacher provides a cache and decorator for memoizing functions whose outputs depend upon the contents of a file argument. If you have a function `foo()` that takes a file path as its first argument, and if the behavior of `foo()` is pure in the contents of the path and the values of its other arguments, fscacher can help cache that function,