[sage-devel] Re: ZODB update required?

2012-12-28 Thread Simon King
Hi Nils, On 2012-12-28, Simon King wrote: > On 2012-12-28, Nils Bruin wrote: >> On Dec 28, 2:37 pm, Simon King wrote: >> >>> How can I upgrade it? Is there a trac ticket? >> see >> http://trac.sagemath.org/sage_trac/ticket/13864#comment:79 >> >> I haven't made a ticket yet because I didn't know

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Simon King
On 2012-12-28, Nils Bruin wrote: > On Dec 28, 2:37 pm, Simon King wrote: > >> How can I upgrade it? Is there a trac ticket? > see > http://trac.sagemath.org/sage_trac/ticket/13864#comment:79 > > I haven't made a ticket yet because I didn't know if it was a real > problem or just a silly artifact.

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Nils Bruin
On Dec 28, 2:37 pm, Simon King wrote: > How can I upgrade it? Is there a trac ticket? see http://trac.sagemath.org/sage_trac/ticket/13864#comment:79 I haven't made a ticket yet because I didn't know if it was a real problem or just a silly artifact. Making a new spkg should be easy: just drop in

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Simon King
On 2012-12-28, Nils Bruin wrote: > On Dec 28, 2:17 pm, Simon King wrote: >> Could that be ZODB related? > > My guess is that ZODB data structures are lying around with fields > that Python 2.7 recognizes as pointers, but which haven't increased > the refcount. Thus, if GC examines them it may fin

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Nils Bruin
On Dec 28, 2:17 pm, Simon King wrote: > Could that be ZODB related? My guess is that ZODB data structures are lying around with fields that Python 2.7 recognizes as pointers, but which haven't increased the refcount. Thus, if GC examines them it may find more pointers than explained by the refcou

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Simon King
PS: On 2012-12-28, Simon King wrote: > I saw different crashes. One is triggered by > sage: from sage.tests.benchmark import FiniteExtFieldMult > sage: B = FiniteExtFieldMult(GF(Integer(9), 'x'), Integer(2)) Actually, sage: K = GF(9, 'x') is enough to get a wrong refcount. Could that be

[sage-devel] Re: ZODB update required?

2012-12-28 Thread Simon King
Hi! On 2012-12-28, Nils Bruin wrote: > Thank you, Volker and JP, for excellent instructions on #13864 +10 > I saw that BTree from ZODB was implied every time. I saw different crashes. One is triggered by sage: from sage.tests.benchmark import FiniteExtFieldMult sage: B = FiniteExtFieldMult

Re: [sage-devel] Re: ZODB in sage

2012-05-20 Thread Dima Pasechnik
On Monday, 21 May 2012 08:02:01 UTC+2, Snark wrote: > > Le dimanche 20 mai, John H Palmieri a écrit: > > Why ask? Just make the change and try it out on several platforms. If > > Sage builds (with SAGE_CHECK=yes) and all tests pass, open a ticket. > > Ah, well, because the only box where sage

Re: [sage-devel] Re: ZODB in sage

2012-05-20 Thread Julien Puydt
Le dimanche 20 mai, John H Palmieri a écrit: > Why ask? Just make the change and try it out on several platforms. If > Sage builds (with SAGE_CHECK=yes) and all tests pass, open a ticket. Ah, well, because the only box where sage 5.0 compiles here at the moment is the ARM box (the others have gcc

[sage-devel] Re: ZODB in sage

2012-05-20 Thread Keshav Kini
John H Palmieri writes: > Why ask? Just make the change and try it out on several platforms. If Sage > builds (with SAGE_CHECK=yes) and all tests pass, open a ticket. That's my fault - I told him to ask on sage-devel just in case when he asked me about it on #sagemath . -Keshav Join us in

[sage-devel] Re: ZODB in sage

2012-05-20 Thread John H Palmieri
On Sunday, May 20, 2012 1:18:15 PM UTC-7, Snark wrote: > > Hi, > > in sage 5.0/spkg/standard/deps : > > - pygments is depending on zodb, but it's not clear why ; > > - the conway_polynomials is a ZODB database, but doesn't need zodb to > build ; > > - sage is the place when this ZODB is ac

Re: [sage-devel] Re: ZODB: remove it from Sage?

2011-12-20 Thread William Stein
On Tue, Dec 20, 2011 at 9:28 AM, mhampton wrote: > As far as I know, there are no other uses of ZODB other than what > William mentioned.  Of course many people know Sage better than I do > but I thought I would affirm its lack of importance in the areas that > I tend to work on. > I've created a

[sage-devel] Re: ZODB: remove it from Sage?

2011-12-20 Thread mhampton
As far as I know, there are no other uses of ZODB other than what William mentioned. Of course many people know Sage better than I do but I thought I would affirm its lack of importance in the areas that I tend to work on. -Marshall On Dec 20, 5:48 am, Keshav Kini wrote: > Necrobump! Gentoo is

[sage-devel] Re: zodb

2009-07-08 Thread William Stein
On Wed, Jul 8, 2009 at 2:04 PM, Ralf Hemmecke wrote: > > Just out of curiosity... > > On http://www.sagemath.org/doc/installation/introduction.html I've found > > Here is a list of some of the software included with Sage: >   ... >   ZODB: Zope Object Database > > What is this used for in Sage? >