On 1/30/18 3:58 PM, Etienne Robillard wrote:
Hi Ned,
Le 2018-01-30 à 15:14, Ned Batchelder a écrit :
I'm curious what you had to change for PyPy? (Unless it's a Py2/Py3
thing as Chris mentions.)
Please take a look at the changesets:
https://bitbucket.org/tkadm30/libschevo/commits/745d1aeab5c6ee0d336790cf13d16f327e10c2f8
https://bitbucket.org/tkadm30/libdurus/commits/875636e9b6caa840fd50ca87d69217d87fc06f43
In short, it seems PyPy automagically adds a __weakref__ attribute to
__slots__, causing the CPython interpreter to raise a TypeError...
PyPy and CPython are separate implementations, that never mix: you run
your code in one, or in the other. How can PyPy do something at runtime
(add a __weakref__ attribute to __slots__) that can cause CPython to do
something at runtime (raise a TypeError)?
A small demonstration case would be very helpful for figuring out what
is going on.
--Ned.
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