[Debian-science-sagemath] pari-sage or pari ?

[Jerome BENOIT]

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Hello Forum,

On 21/08/16 18:27, jdemeyer at cage.ugent.be wrote:
> 
>> 1) I don't understand why it would be very hard for sage to stick
>> to released versions of packages : each and every other open source
>> projects does this.
> 
> Maybe those projects do not have so many depencies, or their
> dependencies cooperate more? Or worse, they drop or delay features? I
> honestly have no idea.

The issue is not the number of dependencies, but rather how Sage deals with them.
Releasing stable versions based on at least one unstable version of an outside software creates monsters whatever their size.

> 
>> 2) Releasing development version of some upstream in a stable
>> version of sage is more than impolite towards said upstream : it's
>> hostile.
> 
> I don't get why.
Because decisions of the other teams are bypassed: will the Sage Development Team appreciate this kind of behaviour ?

> 
>> If there is a bug, the user gets said "Oh, it's a problem with sage
>> and its pari 2.8-pre314159~git271828+p42", but understands "Oh,
>> it's a problem with pari".
> 
> Which is true, right?
> 
It is true at the very zeroth order, but absolutely not at higher orders:
the problem is that Sage develops features based on potentially illegitimate
feature of other software package.
  


>> 3) One can argue that pari is moving too slowly... that might be
>> true, but if the current upstream is too slow... become upstream
>> and make it fast!
> 
> You mean fork PARI? What would upstream PARI or Debian think of
> that?

I guess that he meant that stable Sage release must depends on stable code present in stable releases.


Otherwise, this discussion sounds crazy when one knows that Sage is still stick to Singular 3
which is by now an old dead branch of Singular.

Thanks,
Jerome

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Jerome BENOIT | calculus+at-rezozer^dot*net
https://qa.debian.org/developer.php?login=calculus@rezozer.net
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