[Python-Dev] Accepting PEP 456 (Secure hash algorithm)

Victor Stinner victor.stinner at gmail.com
Wed Nov 20 12:41:09 CET 2013

2013/11/20 Victor Stinner <victor.stinner at gmail.com>:
> It looks like dict, set and frozenset representation (repr(...)) now
> depends on the platform (probably 32 bit vs 64 bit), even if
> PYTHONHASHSEED is set. I don't know if it's an issue or not.

In Python 3.3, repr(set("abcd")) with PYTHONHASHSEED=0 always give
"{'a', 'c', 'b', 'd'}" on 32 bit and 64 bit platforms.

In Python 3.4, repr(set("abcd")) with PYTHONHASHSEED=0 now gives
"{'b', 'a', 'c', 'd'}" on 32 bit.and  "{'a', 'b', 'c', 'd'}" on 64


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