Le 03/09/2019 à 11:28, Simon King a écrit :
Hi Vincent,
On 2019-09-03, Vincent Delecroix <20100.delecr...@gmail.com> wrote:
I believe a CAS which doesn't even *attempt* to offer a way to store user
data permanently and reliably is a failure. I'll rant more on it on the
ticket.
I strongly agree that this is a needed feature! But, I was told on the
ticket that pickling is not the way to do it... I am not Python expert
enough to judge this.
Then I misunderstood. By your comment on the ticket, you found that
Python actually states that the pickle protocol IS supposed to be
compatible.
compatible up to pickling protocol versions and datastructure changes
between Python2 and Python3. See also the related Julien Puydt answer
on sage-devel.
In fact it isn't compatible, but that of course means it must be
attempted to make it compatible.
It is already compatible. You just need to specify which kind of
data has been pickled ('bytes' vs 'str') and which protocol to use
(at pickling and unpickling time).
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