[Numpy-discussion] Fixing numpy 1.4.0 ABI breakage, and a plea for self-contained, small commits
Alan G Isaac
Wed Jan 27 19:47:33 CST 2010
>> On 1/27/2010 7:57 PM, David Cournapeau wrote:
>>> Guido explicitly asked not to break compatibility while staying under
>>> py3k, so we should try to do it once numpy has been ported to py3k (e.g.
>>> if numpy 1.5 still is not py3k compatible, do a 1.6 before a 2.0 -
>>> iterate if necessary:) ).
> Alan G Isaac wrote:
>> This sounds very different than
On 1/27/2010 8:28 PM, David Cournapeau wrote:
> Maybe my English is broken, as I meant exactly the same as in Guido's
> post: do not break API (C API here) while porting to py3k. Making the
> NumPy C API robust to changes wo constantly breaking the ABI will
> require heavy changes to C structures and how they are exposed to 3rd
> parties. It is impossible to do without breaking the C API.
My reading is: do not see py3k as
an opportunity for API breakage.
So if breakage is know to be necessary,
do it now in a forward looking way,
so that it will not be necessary
after moving to py3k.
Quoting from http://www.artima.com/weblogs/viewpost.jsp?thread=227041 :
"If you have make API changes, do them before you port to 3.0"
I thought you were saying the opposite of that ... ?
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