Hi,
On Tue, 3 Jul 2018 at 09.20, Gael Varoquaux <gael.varoqu...@normalesup.org> wrote: > On Tue, Jul 03, 2018 at 08:54:51AM +0200, Andrea Gavana wrote: > > This sound so very powerful... it’s such a pity that these type of gems > won’t > > be backported to Python 2 - we have so many legacy applications smoothly > > running in Python 2 and nowhere near the required resources to even start > > porting to Python 3, > > I am a strong defender of stability and long-term support in scientific > software. But what you are demanding is that developers who do free work > do not benefit from their own work to have a more powerful environment. > > More recent versions of Python are improved compared to older ones and > make it much easier to write certain idioms. Developers make these > changes over years to ensure that codebases are always simpler and more > robust. Backporting in effect means doing this work twice, but the second > time with more constraints. I just allocated something like a man-year to > have robust parallel-computing features work both on Python 2 and Python > 3. With this man-year we could have done many other things. Did I make > the correct decision? I am not sure, because this is just creating more > technical dept. > > I understand that we all sit on piles of code that we wrote for a given > application and one point, and that we will not be able to modernise it > all. But the fact that we don't have the bandwidth to make it evolve > probably means that we need to triage what's important and call a loss > the rest. Just like if I have 5 old cars in my backyard, I won't be able > to keep them all on the road unless I am very rich. > > > People asking for infinite backport to Python 2 are just asking > developers to write them a second free check, even larger than the one > they just got by having the feature under Python 3. > Just to clarify: I wasn’t asking for anything, just complimenting Antoine’s work for something that appears to be a wonderful feature. There was a bit of rant from my part for sure, but I’ve never asked for someone to redo the work to make it run on Python 2. Allocating a resource to port hundreds of thousand of LOC is close to an impossibility in the industry I work in, especially because our big team (the two of us) don’t code for a living, we have way many different duties. We code to make our life easier. I’m happy if you feel better after your tirade. Andrea. > > Gaël > > > _______________________________________________ > NumPy-Discussion mailing list > NumPy-Discussion@python.org > https://mail.python.org/mailman/listinfo/numpy-discussion >
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