On 8/26/20 5:13 PM, 2qdxy4rzwzuui...@potatochowder.com wrote: > On 2020-08-26 at 22:10:26 +0200, > Marco Sulla <marco.sulla.pyt...@gmail.com> wrote: > >> As title ... > Assuming that the title appears prominently with the content of your > email. For the rest of us: > > Why __hash__() does not return an UUID4? > >> ... The reasons that came in my mind are: >> >> 1. speed >> 2. security > Correctness? > > Why would __hash__() return a random number? An important property of > hashes is that if x == y, then hash(x) == hash(y). If hash(x) and > hash(y) were random numbers, then how would this property be maintained? > > Or do UUID4 mean something else to you than a random number?
Looking up which UUID type 4 is, yes it is a random number, so could only be applicable for objects that currently return id(), which could instead make id() be a UUID4 (and save it in the object, increasing its side) -- Richard Damon -- https://mail.python.org/mailman/listinfo/python-list