Re: [sage-devel] Re: upgrading and doc.

2015-05-19 Thread Thierry Dumont
Le 18/05/2015 23:03, Volker Braun a écrit :
 Sounds good to me...  Do you have a ticket?
 
Not yet but, I'll certainly make one...

 On Monday, May 18, 2015 at 10:11:20 PM UTC+2, tdumont wrote:
 
 I have justeupgraded sage from 6.6 to 6.7 doing  sage -upgrade.
 As every time I did this, everything went well, except that, at the
 end,
 I had to do a make doc-clean.
 
  
 
 This time, the message which is something like you should do make
 doc-clean did not appear.
 
 I think this is a bit annoying for beginners.
 
 Rebuilding the documentation take some time, ok, but not so much
 compared to the full upgrade.
 
 Why not to add this make doc-clean, or the ad'hoc command
 systematically to the upgrade process?
 
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attachment: tdumont.vcf

Re: [sage-devel] packages failing when installing Sage-6.7 from sources

2015-05-19 Thread Volker Braun
PYTHONNOUSERSITE=yes sage

On Tuesday, May 19, 2015 at 8:48:26 AM UTC+2, Jose Guzman wrote:

 Actually, I would really need to use ~/.local. Everything was working 
 fine with Sage 5.11. 

 Any other suggestion? 


 On 19/05/15 08:35, Volker Braun wrote: 
  Unless you need it for something else: rm -rf ~/.local 
  
  On Tuesday, May 19, 2015 at 8:17:13 AM UTC+2, Jose Guzman wrote: 
  
  On 18/05/15 21:16, Jeroen Demeyer wrote: 
On 2015-05-18 20:34, Jose Guzman wrote: 
I would appreciate some help 

You have some kind of Python installation in 
/home/jguzman/.local 
which interferes with Sage. 

  
  Thank  you Jeroen, 
  
  What would you recommend me to do ? 
  
  Thanks 
  
  Jose 
  
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[sage-devel] subs_expr deprecation and the french book

2015-05-19 Thread Vincent Delecroix
Hello,

Just a warning for french sagebook authors.

We are about to deprecate subs_expr (with a proper one year deprecation
warning). subs now suppots the syntax from subs_expr (and even more).
See ticket #12834.

As a consequence, I had to modify some tests in the french book, and
more precisely:
 - calculus_doctest.py
 - recequadiff.py
It was only a simple substitution subs_expr - subs.

Best,
Vincent

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Re: [sage-devel] packages failing when installing Sage-6.7 from sources

2015-05-19 Thread Jose Guzman
Actually, I would really need to use ~/.local. Everything was working 
fine with Sage 5.11.


Any other suggestion?


On 19/05/15 08:35, Volker Braun wrote:

Unless you need it for something else: rm -rf ~/.local

On Tuesday, May 19, 2015 at 8:17:13 AM UTC+2, Jose Guzman wrote:

On 18/05/15 21:16, Jeroen Demeyer wrote:
  On 2015-05-18 20:34, Jose Guzman wrote:
  I would appreciate some help
 
  You have some kind of Python installation in
  /home/jguzman/.local
  which interferes with Sage.
 

Thank  you Jeroen,

What would you recommend me to do ?

Thanks

Jose

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Re: [sage-devel] packages failing when installing Sage-6.7 from sources

2015-05-19 Thread Volker Braun
Unless you need it for something else: rm -rf ~/.local

On Tuesday, May 19, 2015 at 8:17:13 AM UTC+2, Jose Guzman wrote:

 On 18/05/15 21:16, Jeroen Demeyer wrote: 
  On 2015-05-18 20:34, Jose Guzman wrote: 
  I would appreciate some help 
  
  You have some kind of Python installation in 
  /home/jguzman/.local 
  which interferes with Sage. 
  

 Thank  you Jeroen, 

 What would you recommend me to do ? 

 Thanks 

 Jose 

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 http://www.ist.ac.at/~jguzman/ 


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Re: [sage-devel] packages failing when installing Sage-6.7 from sources

2015-05-19 Thread Jose Guzman

On 18/05/15 21:16, Jeroen Demeyer wrote:

On 2015-05-18 20:34, Jose Guzman wrote:

I would appreciate some help


You have some kind of Python installation in
/home/jguzman/.local
which interferes with Sage.



Thank  you Jeroen,

What would you recommend me to do ?

Thanks

Jose

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http://www.ist.ac.at/~jguzman/

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Re: [sage-devel] please review #18320

2015-05-19 Thread mmarco



 In either case, this isn't a good solution to the long-standing 
 patches-arent- 
 being-reviewed-in-a-timely-manner problem to which I have no solution 
 except 
 yet another attempt at an IRC sage hour a week where we all 
 review/triage 
 stuff. 


 That IRC hour sounds like a nice idea. 

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[sage-devel] Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread Herbert Eisenbeis
My system:
Ubuntu 15.04
Linux he-VirtualBox 3.19.0-17-generic #17-Ubuntu SMP Wed May 6 16:46:12 UTC 
2015 x86_64 x86_64 x86_64 GNU/Linux
running in virtualbox 4.3.28, 4 processors and 4GB attached

Installing Sage 6.7 o.k., all ptestlong tests passed.

./sage -i p_group_cohomology stopped with:
pGroupCohomology/cohomology.c:256:22: fatal error: ccobject.h: No such file 
or directory
Full log enclosed.

The following optional packages had been successfully installed beforehand:
- database_stein_watkins_mini
- database_cremona_ellcurve
- database_jones_numfield (prior: export SAGE_DATA=$SAGE_ROOT/local/share)
- database_pari
- database_symbolic_data
- gap_packages
- java3d
- gnuplotpy
- openmpi
- mpi4py
- database_gap

Same steps had been performed with Sage 6.6: No problem to install 
p_group_cohomology.

Any clue?

Herbert

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p_group_cohomology.log
Description: Binary data


[sage-devel] Re: Is Sage living in a state of emergency ?

2015-05-19 Thread mmarco
They offered me the possibility of hosting a virtual machine in a server. 
There might be some obstacles still, since the policy is not to serve IP's 
pointed by domains outside of the university. Somebody needs to be 
convinced about it.

On the other hand, they also offered me the possibility if serving a 
download mirror. That could be done directly without asking further 
permissions.

El lunes, 18 de mayo de 2015, 19:23:05 (UTC+2), mmarco escribió:

 I have just talked with somebody in the IT departmente in my university. 
 Apparently the universoty office for free software could be interested in 
 providing us hosting. But they have very limited hardware resources (he 
 even asked me if somebody could donate some hardware).

 What exactly would be needed for the different services that still need 
 hosting?





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Re: [sage-devel] password reset at http://trac.sagemath.org/

2015-05-19 Thread Martin Albrecht
Hi all,

Philipp Jovanovic  just had the same problem. Does it work for anyone?

Cheers,
Martin

On Friday 08 May 2015 17:41:26 Bill Page wrote:
 Is it working?  I tried to reset my password.  sage-trac sent me an
 email with a new one but it does seem to work. Anybody try this
 lately?
 
 -- Forwarded message --
 From: sage-trac t...@sagemath.org
 Date: 8 May 2015 at 17:30
 Subject: [Sage] Trac password reset for user: bpage
 To: bill.p...@newsynthesis.org
 
 
 Your Trac password has been reset.
 
 Here is your account information:
 
 Login URL: http://trac.sagemath.org/login
 Username: bpage
 Password: ...

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[sage-devel] SageManifolds 0.8

2015-05-19 Thread Eric Gourgoulhon
Hi, 

The version 0.8 of SageManifolds has just been released at
http://sagemanifolds.obspm.fr

Among other things, it introduces 
- plotting capabilities for vector fields (cf. the 2-sphere example 
http://sagemanifolds.obspm.fr/examples/html/SM_sphere_S2.html) 
- parallelization of CPU-demanding computations (with user control of 
  the number of cores to be used)
- improved display of connection coefficients and transition maps between
  charts (cf. the hyperbolic plane example 
http://nbviewer.ipython.org/github/sagemanifolds/SageManifolds/blob/master/Worksheets/v0.8/SM_hyperbolic_plane.ipynb,
 
in the IPython/Jupyter notebook)
More in the changelog http://sagemanifolds.obspm.fr/changelog.html. 

This version should serve as a basis for a split in smaller pieces to be
submitted to Sage Trac, within the framework of topology/geometry categories
recently introduced in ticket #18175 http://trac.sagemath.org/ticket/18175
.
This split regards only the differential part of SageManifolds, the 
algebraic part
(tensors on free modules, #15916 http://trac.sagemath.org/ticket/15916) 
having been already integrated in Sage 6.6.

Eric.

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Re: [sage-devel] Re: Is Sage living in a state of emergency ?

2015-05-19 Thread Dr. David Kirkby (Kirkby Microwave Ltd)
On 18 May 2015 17:29, William Stein wst...@gmail.com wrote:

 It's also worth keeping in mind that people may offer to host services
 at their university, unaware that what they are doing might
 potentially violate rules.  At least, I know from personal experience
 that this could be an issue..  It's interesting to compare:

 1. Univ of Washington's policy on use of equipment at [1] --

 with

 2. Google's cloud computing use policy at [2] -- basically, don't
 send spam or break the law.

 than I imagined and getting worse.

 I've wondered for years why so few people provide online computing
 resources to the math research community... why I was the main person
 to do be doing this (since I started in the 1990s).   Now maybe I know
 -- I was just really naive.

 The legal situation is probably much different at private universities
 and universities outside of the USA.

 [1] http://www.washington.edu/admin/rules/policies/APS/47.02.html

The first sentence in the link says University facilities, computers, and
equipment are to be used to support its teaching, research, service, and
administrative functions.

I don't see why hosting Sage related facilities do not fall into that.

As with many rules, there is some ambiguity in places, but collaborating
with others outside your own organization is a normal part of academic
research. That includes universities, standards laboratories, and in some
commercial organizations.

I recall once proposing using the results of Wolfram Alpha in doc tests. a
couple of times when the issue of what might be permitted with Mathematica
came up - one was on using the results of Wolfram|Alpha results in doctests.
AlexGhitza thought this might be against the license, and depending on how
you interpreted it, have may have had a point.

https://groups.google.com/forum/?hl=en#!msg/sage-devel/XBV79YDrdxc/zAz0-5Tyih8J

So I emailed Wolfram Research, and they were quite happy for us to do this.

https://groups.google.com/forum/#!searchin/sage-devel/wolfram$20alpha$20tests$20kirkby/sage-devel/tijz3svNNiE/WOz6mQUGvU8J

I can't help feeling you could (should) have made some direct inquires
internally, to seek permission for what was being done. It seems to me it
would have been easy to justify. You realized that some had abused the
trust you gave in which a home directory was publicly visible, and removed
that facility.

So such justification could include

* The huge benefit it has given to Sage which is a research project.

* The problems removing the facilities would cause

* Any abuse you are aware of, which has been very small, you have acted
quickly to stop.

I don't see what it is not too late to do this now, before it causes any
more issues.

Taking my own case, I contributed quite a bit to increasing the portability
of Sage. Primarily to Solaris, although I'm sure some of the changes have
aided other ports. In a recent list you drew up of contributors, I was in
the top 10, although of course others would argue about the way the list
was generated. Since I don't work for a university, that would have been
impossible without the facilities of UW.

Somehow I think it would be easy to justify what was being done hosting
Sage related activities.

Dave

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[sage-devel] Problems building documentation

2015-05-19 Thread Montgomery-Smith, Stephen
I have been having some trouble building documentation for sage on my
FreeBSD system.  Mostly the errors are inconsistent.  But I finally
found a consistent error.

As Sphinx traverses the doctree, it creates files called
environment.pickle.  I discovered that Sphinx was crashing when
performing the command pickle.load, suggesting that the file
environment.pickle was corrupted.

Is it possible that there exists a race condition in which two Sphinx
processes could be writing to the same environment.pickle?

Or is there any other reason why one of these files would be corrupt?

Thanks, Stephen

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[sage-devel] Re: trac milestone update

2015-05-19 Thread kcrisman


 Admin - Milestones 

 Check the relevant radio button in the Default column


Duh!  I saw those buttons and somehow didn't see the title of that column - 
presumably because I was squandering all my time at the bottom looking for 
how to format it.  Sorry for wasting your time, thanks for that. 

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Re: [sage-devel] Re: European Horizon 2020 project OpenDreamKit accepted

2015-05-19 Thread David Joyner
I second that!

Sent from Type Mail



On May 19, 2015, 9:04 PM, at 9:04 PM, kcrisman kcris...@gmail.com wrote:
Yes!  Congratulations!
 


 We are delighted to announce that the Horizon 2020 research proposal 
 OpenDreamKit was accepted by the European commission: 

 opendreamkit.org 


 

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[sage-devel] Re: European Horizon 2020 project OpenDreamKit accepted

2015-05-19 Thread kcrisman
Yes!  Congratulations!
 


 We are delighted to announce that the Horizon 2020 research proposal 
 OpenDreamKit was accepted by the European commission: 

 opendreamkit.org 


 

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Re: [sage-devel] Re: Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread William Stein
On Tue, May 19, 2015 at 3:30 PM, Justin C. Walker jus...@mac.com wrote:

 On May 19, 2015, at 14:36 , Simon King wrote:

 Hi!

 On 2015-05-19, Simon King simon.k...@uni-jena.de wrote:
 As I have mentioned in my previous post, I was working on a new version
 that copes with the recent changes. It does work on my laptop with the
 latest development versions of SageMath.

 A preliminary version 2.1.5 of p_group_cohomology can now be installed
 by
  ./sage -i 
 http://sage.math.washington.edu/home/SimonKing/Cohomology/p_group_cohomology-2.1.5.spkg
 (Assumption: the SmallGroups library is installed in GAP, e.g., via
 ./sage -i database_gap)

 I have had no success installing this spkg.  I followed the install 
 instructions on the official webpage.

For me it also failed in much the same way:

gcc -fno-strict-aliasing -g -O2 -DNDEBUG -g -fwrapv -O3 -Wall -fPIC
-I/sage/sage-6.7/local/include/csage -Imtx2.2.4/src
-IpGroupCohomology/c_sources -IpGroupCohomology -I/sage/sage-6.7/loc
al/include/python2.7 -c pGroupCohomology/cohomology.c -o
build/temp.linux-x86_64-2.7/pGroupCohomology/cohomology.o -O3
In file included from pGroupCohomology/cohomology.c:248:0:
mtx2.2.4/src/meataxe.h:15:0: warning: _GNU_SOURCE redefined
 #define _GNU_SOURCE
 ^
In file included from pGroupCohomology/cohomology.c:8:0:
/sage/sage-6.7/local/include/python2.7/pyconfig.h:1160:0: note: this
is the location of the previous definition
 #define _GNU_SOURCE 1
 ^
pGroupCohomology/cohomology.c:256:22: fatal error: ccobject.h: No such
file or directory
 #include ccobject.h
  ^
compilation terminated.
error: command 'gcc' failed with exit status 1
Error installing Cython code.

real1m2.905s
user0m50.576s
sys 0m3.904s

Error installing package p_group_cohomology-2.1.5



 OS X, 10.6.8: in $SAGE_ROOT, for sage-6.7, installing the GAP databases 
 failed, with the following:
 
 Installed small group database.
 Installed prim database.
 Installed trans database.
 Installed tomlib database.
 ** Gap crashed or quit executing 'SetUserPreference(HistoryMaxLines, 30);' 
 **
 
 Not sure what's up, but I have no problems with ./sage -gap.

 OS X, 10.10.3: the GAP databases installed w/o problems, but with the above 
 spkg, I still get the ccobjects failure.

 Logs available if needed.  I'm happy to try things if it will help.

 Justin

 --
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 Director
 Institute for the Enhancement of the Director's Income
 ---
 Nobody knows the trouble I've been
 ---



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-- 
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Re: [sage-devel] Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread William Stein
On Tue, May 19, 2015 at 3:01 AM, Herbert Eisenbeis
klassikm...@googlemail.com wrote:
 My system:
 Ubuntu 15.04
 Linux he-VirtualBox 3.19.0-17-generic #17-Ubuntu SMP Wed May 6 16:46:12 UTC
 2015 x86_64 x86_64 x86_64 GNU/Linux
 running in virtualbox 4.3.28, 4 processors and 4GB attached

 Installing Sage 6.7 o.k., all ptestlong tests passed.

 ./sage -i p_group_cohomology stopped with:
 pGroupCohomology/cohomology.c:256:22: fatal error: ccobject.h: No such file
 or directory
 Full log enclosed.

I hit precisely the same problem too trying to upgrade sage-6.7 for
SageMathCloud on Ubuntu 15.04.

What is ccobject.h? (Rhetorical question.)  The reference to it in
that file pGroupCohomology/cohomology.c is in some auto-generated
Cython code.  I don't see any explicit references to ccobject anywhere
else in the package:

(sage-sh) salvus@compute1-us:src$ grep ccobject -r  *
pGroupCohomology/cohomology.c:#include ccobject.h
pGroupCohomology/resolution.c:#include ccobject.h

There is a thread about ccobject, which is/was evidently part of Sage:

  https://groups.google.com/forum/#!topic/sage-devel/z5EtUQsI980

I tried deleting the ccobject.h line whenever it pops up in some
Cython-generated code in this package (since it does in newly created
files not listed above), and it gets further and hits another Cython
issue:


cpdef int base(self) except -1:
 ^---
pGroupCohomology/mtx.pyx:773:10: Signature not compatible with
previous declaration

I think maybe this package needs some nontrivial attention to work.

Incidentally, the next package on my list to install is something called Neuron

http://www.neuron.yale.edu/hg/neuron/nrn

and it's also broken in sage-6.7 (Ubuntu 15.04) apparently due to
Cython issues...

In building Sage+many packages for SageMathCloud, I install a bunch of
packages from Pip, Sage optional packages, and R packages.   The R
packages always just work (which is a good thing, since I have little
idea how to debug problems there).  The pip/sage packages never all
work.The R project must have some sort of quality control for
their packages.  I have the impression pypi has no quality control at
all (see, e.g., [1]).With Sage optional packages, I think we have
no official quality control still, but I hope that changes

[1] E.g., there is https://pypi.python.org/pypi/pysparse, which is
broken for over year according to
http://stackoverflow.com/questions/25459011/how-to-build-pysparse-on-ubuntu.
I guess people can just dump whatever on pypi, and there's no testing
at all that it does anything?



 The following optional packages had been successfully installed beforehand:
 - database_stein_watkins_mini
 - database_cremona_ellcurve
 - database_jones_numfield (prior: export SAGE_DATA=$SAGE_ROOT/local/share)
 - database_pari
 - database_symbolic_data
 - gap_packages
 - java3d
 - gnuplotpy
 - openmpi
 - mpi4py
 - database_gap

 Same steps had been performed with Sage 6.6: No problem to install
 p_group_cohomology.

 Any clue?

 Herbert

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[sage-devel] trac milestone update

2015-05-19 Thread John Cremona
I just created a new trac ticket and noticed that the default
Milestone was set to 6.7, with no higher verson avaioable yet.  I
chose sage-pending for now, but I presume someone must know how to get
that default changed to 6.8.

John

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[sage-devel] Re: trac milestone update

2015-05-19 Thread kcrisman


 I just created a new trac ticket and noticed that the default 
 Milestone was set to 6.7, with no higher verson avaioable yet.  I 
 chose sage-pending for now, but I presume someone must know how to get 
 that default changed to 6.8. 


I've added the 6.8 milestone but I don't know how to get the default to 
change. 

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Re: [sage-devel] Re: trac milestone update

2015-05-19 Thread John Cremona
On 19 May 2015 at 14:40, kcrisman kcris...@gmail.com wrote:
 I just created a new trac ticket and noticed that the default
 Milestone was set to 6.7, with no higher verson avaioable yet.  I
 chose sage-pending for now, but I presume someone must know how to get
 that default changed to 6.8.


 I've added the 6.8 milestone but I don't know how to get the default to
 change.

Thanks, I could change the milestone on my ticket, and don't mind
about the default -- it's just a menu to choose from.  I suupose that
6.7 could go, at least once any tockets with that as a milestone have
been bumped up (does that still happen?  it used to be done
automatically after a reaslse, where automatically just means yet
another job for the release manager I suppose).

John


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[sage-devel] Re: trac milestone update

2015-05-19 Thread Volker Braun
Admin - Milestones 

Check the relevant radio button in the Default column

Click Apply changes

I've done it.

On Tuesday, May 19, 2015 at 3:40:10 PM UTC+2, kcrisman wrote:

 I just created a new trac ticket and noticed that the default 
 Milestone was set to 6.7, with no higher verson avaioable yet.  I 
 chose sage-pending for now, but I presume someone must know how to get 
 that default changed to 6.8. 


 I've added the 6.8 milestone but I don't know how to get the default to 
 change. 


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Re: [sage-devel] Re: Is Sage living in a state of emergency ?

2015-05-19 Thread William Stein
On Tue, May 19, 2015 at 5:16 AM, William Stein wst...@gmail.com wrote:
 On Tue, May 19, 2015 at 5:04 AM, Dr. David Kirkby (Kirkby Microwave
 I can't help feeling you could (should) have made some direct inquires

 I have.   These things can take a while.

Hi,

I just sat down with the executive director of University of
Washington's Internal Audit office and some of his staff.  They
have years of experience with ethics audits in practice, how the rules
are interpreted, and who is liable when problems arise.

It will be possible to use the computers at UW to support Sage
development and other related open source projects and in support of
mathematical research.   There will be several official steps that
need to happen to formalize this, and the details aren't sorted out
yet.But they will be.

Things like sagenb, sagemathcloud, and the sage cell server are not
ok, since there is so little constraint on the actual users and usage.
However, things like trac, the wiki, hosting the sage downloads, etc.,
which directly benefit the Sage/math community, and benefit everybody
equally (since they are open source) are going to be encouraged, as
long as we take appropriate care in who gets accounts.   Moreover, the
20 16-core computers (with lots of RAM and SSD's) that were used for
SageMathCloud will be repurposed for build/testing of Sage (and other
open source software) and for math research computations -- this is
actually quite a lot of hardware.

So we can end the state of emergency.  :-)

 -- William






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[sage-devel] Re: Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread Simon King
Hi William,

On 2015-05-19, William Stein wst...@gmail.com wrote:
 What is ccobject.h? (Rhetorical question.)  The reference to it in
 that file pGroupCohomology/cohomology.c is in some auto-generated
 Cython code.  I don't see any explicit references to ccobject anywhere
 else in the package:

 ...

 I tried deleting the ccobject.h line whenever it pops up in some
 Cython-generated code in this package (since it does in newly created
 files not listed above), and it gets further and hits another Cython
 issue:

As I have mentioned in my previous post, I was working on a new version
that copes with the recent changes. It does work on my laptop with the
latest development versions of SageMath.

I think the new version is not ready for review yet, but I am now
posting it online, so that you or the OP can test it, with
 ./sage -i 
http://sage.math.washington.edu/home/SimonKing/Cohomology/p_group_cohomology-2.1.5.spkg

Due to my extremely lousy bandwith at home, it will probably only be
available in a few hours :-/

Best regards,
Simon

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[sage-devel] Re: Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread Simon King
Hi Herbert,

On 2015-05-19, Herbert Eisenbeis klassikm...@googlemail.com wrote:
 ./sage -i p_group_cohomology stopped with:
 pGroupCohomology/cohomology.c:256:22: fatal error: ccobject.h: No such file 
 or directory

I am not sure if I saw that before. In any case, the official doc page
http://sage.math.washington.edu/home/SimonKing/Cohomology/ of my project
recommends to install a patched version.

I am not sure if the patched version will install fine. In any case, because
of recent changes in import paths, there will be a deprecation warning when
you first load the package in a Sage session.

Currently, I am working on a new version that copes with these changes.

Can you tell me whether the patched version builds ok (apart from the
deprecation warnings)?

Best regards,
Simon


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[sage-devel] European Horizon 2020 project OpenDreamKit accepted

2015-05-19 Thread Nicolas M. Thiery
Dear Sage developers,

We are delighted to announce that the Horizon 2020 research proposal
OpenDreamKit was accepted by the European commission:

opendreamkit.org

Starting next Fall and for four years, this project will provide
substantial funding to the open source computational mathematics
ecosystem, and in particular popular tools such as LinBox, MPIR,
SageMath, GAP, Pari/GP, LMFDB, Singular, and the IPython/Jupyter
interactive computing environment.

The total budget is about 7.6 million euros. The largest portion of
that will be devoted to employing an average of 11 researchers and
developers working full time on the project in Europe. We will
announce job openings in the coming weeks; stay tuned!

Additionally, the participants will contribute the equivalent of six
other people working full time. Altogether the project involves about
50 people spread over 15 sites in Europe.

This is a formidable recognition of the strength and maturity of this
ecosystem, of the power of open source development models, and of the
amazing hard work of many communities over the last decades.

The writing of the proposal itself was open and collaborative. It grew
out of a reflection on the long term needs of the community. It
benefited considerably from the feedback of many; we would like to
thank all those who helped shape this proposal and make it happen.

It is our hope that this financial support will help push forward
critical technical tasks. We tried hard in the proposal to make a
worthwhile selection of such tasks, within some constraints imposed by
the specific call. We are now legally committed to treat those tasks
in priority. This kind of long term prediction work is tough: one of
them has actually already been completed by the community in the mean
time! This is great; whenever this will happen we will be able
reprioritize the resources to whatever emerging needs that will arise.

Ultimately, this project belongs to the community. Get involved!

Cheers,
Nicolas
--
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http://Nicolas.Thiery.name/

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[sage-devel] Re: Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread Simon King
Hi!

On 2015-05-19, Simon King simon.k...@uni-jena.de wrote:
 As I have mentioned in my previous post, I was working on a new version
 that copes with the recent changes. It does work on my laptop with the
 latest development versions of SageMath.

A preliminary version 2.1.5 of p_group_cohomology can now be installed
by
  ./sage -i 
http://sage.math.washington.edu/home/SimonKing/Cohomology/p_group_cohomology-2.1.5.spkg
(Assumption: the SmallGroups library is installed in GAP, e.g., via
./sage -i database_gap)


I didn't run the package's test suite, but at least
  - it does install on my laptop with the latest SageMath development
versions
  - it can be used in a SageMath session without getting a deprecation
warning
  - one can do non-trivial computations

Hopefully in the near future I'll find the time to finalise it and open
a trac ticket.

Best regards,
Simon


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Re: [sage-devel] Re: Sage 6.7: Installing optional package p_group_cohomology failed. Regression?

2015-05-19 Thread Justin C. Walker

On May 19, 2015, at 14:36 , Simon King wrote:

 Hi!
 
 On 2015-05-19, Simon King simon.k...@uni-jena.de wrote:
 As I have mentioned in my previous post, I was working on a new version
 that copes with the recent changes. It does work on my laptop with the
 latest development versions of SageMath.
 
 A preliminary version 2.1.5 of p_group_cohomology can now be installed
 by
  ./sage -i 
 http://sage.math.washington.edu/home/SimonKing/Cohomology/p_group_cohomology-2.1.5.spkg
 (Assumption: the SmallGroups library is installed in GAP, e.g., via
 ./sage -i database_gap)

I have had no success installing this spkg.  I followed the install 
instructions on the official webpage.

OS X, 10.6.8: in $SAGE_ROOT, for sage-6.7, installing the GAP databases failed, 
with the following:

Installed small group database.
Installed prim database.
Installed trans database.
Installed tomlib database.
** Gap crashed or quit executing 'SetUserPreference(HistoryMaxLines, 30);' **

Not sure what's up, but I have no problems with ./sage -gap.

OS X, 10.10.3: the GAP databases installed w/o problems, but with the above 
spkg, I still get the ccobjects failure.

Logs available if needed.  I'm happy to try things if it will help.

Justin

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Director
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[sage-devel] Some Git errors I would like to understand.

2015-05-19 Thread JORGE CARAVANTES TORTAJADA
I have created a ticket and this was the output:

jorge@Grandote:~/sage$ git trac create 'Bott Bundles'
Remote branch: u/caravantes/bott_bundles
Newly-created ticket number: 18452
Ticket URL: http://trac.sagemath.org/18452
Local branch: t/18452/bott_bundles
Traceback (most recent call last):
File /usr/local/bin/git-trac, line 18, in module
cmdline.launch()
File /usr/local/lib/python2.7/dist-packages/git_trac/cmdline.py, line 
207, in launch
app.create(args.summary, args.branch_name)
File /usr/local/lib/python2.7/dist-packages/git_trac/app.py, line 228, in 
create
self.repo.create(local)
File /usr/local/lib/python2.7/dist-packages/git_trac/git_repository.py, 
line 132, in create
self.git.fetch('trac', starting_branch)
File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
line 341, in meth
return self.execute(git_cmd, *args, **kwds)
File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
line 328, in execute
popen_stderr=subprocess.PIPE)
File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
line 263, in _run
raise GitError(result)
git_trac.git_error.GitError

I checked that the ticket was created and so it was, but I do not 
understand these error messagens.

When I pushed the branch, all seem to be OK, but it seems that the 
automerging failed. I added a file and touched two (deleting no line, as 
far as I know).

I appreciate any help and any criticism if I did not follow correctly the 
instructions. Thanks in advance.

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[sage-devel] Re: Some Git errors I would like to understand.

2015-05-19 Thread Volker Braun
The fetching failed, so either you haven't set up the trac remote (git 
trac config) or something is wrong with your network (e.g. firewall)

 

On Tuesday, May 19, 2015 at 6:02:32 PM UTC+2, Jorge Caravantes wrote:

 I have created a ticket and this was the output:

 jorge@Grandote:~/sage$ git trac create 'Bott Bundles'
 Remote branch: u/caravantes/bott_bundles
 Newly-created ticket number: 18452
 Ticket URL: http://trac.sagemath.org/18452
 Local branch: t/18452/bott_bundles
 Traceback (most recent call last):
 File /usr/local/bin/git-trac, line 18, in module
 cmdline.launch()
 File /usr/local/lib/python2.7/dist-packages/git_trac/cmdline.py, line 
 207, in launch
 app.create(args.summary, args.branch_name)
 File /usr/local/lib/python2.7/dist-packages/git_trac/app.py, line 228, 
 in create
 self.repo.create(local)
 File /usr/local/lib/python2.7/dist-packages/git_trac/git_repository.py, 
 line 132, in create
 self.git.fetch('trac', starting_branch)
 File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
 line 341, in meth
 return self.execute(git_cmd, *args, **kwds)
 File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
 line 328, in execute
 popen_stderr=subprocess.PIPE)
 File /usr/local/lib/python2.7/dist-packages/git_trac/git_interface.py, 
 line 263, in _run
 raise GitError(result)
 git_trac.git_error.GitError

 I checked that the ticket was created and so it was, but I do not 
 understand these error messagens.

 When I pushed the branch, all seem to be OK, but it seems that the 
 automerging failed. I added a file and touched two (deleting no line, as 
 far as I know).

 I appreciate any help and any criticism if I did not follow correctly the 
 instructions. Thanks in advance.


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