[sage-devel] Re: [sagemath-admins] sorry state of Zenodo integration

[Harald Schilly]

On Thu, Jun 15, 2023 at 11:59 AM Dima Pasechnik  wrote:

> Well, I'll try if I can trigger version 10.0. I also noticed there are two
>> webhooks in the github repo. Not sure what to do, I'll leave it as it is
>> for now.
>>
>
> What webhooks?
>
>
So, anyone who has access to the github repo settings can trigger zenodo.
The URL of the webhook has a token, at the end as a query param.
Zenodo added these webhooks, they're here:
https://github.com/sagemath/sage/settings/hooks

The *second* one is the one added by me, supposedly.
When you click on it and open the tab "Recent Deliveries", it just says
"ping".
The other one has more activity. Maybe that's the broken one, IDK.

In any case, I coped the token from the second webhook, and ran this:

import requests
from pprint import pprint
repo = "sagemath/sage"
token = "SECRET RANDOM STRING"
headers = {"Accept": "application/vnd.github.v3+json"}
repo_response = requests.get(f"https://api.github.com/repos/{repo};,
headers=headers)
release_response = requests.get(f"
https://api.github.com/repos/{repo}/releases;, headers=headers)
releases = release_response.json()
# only the latest one
release = releases[0]
pprint(release)
payload = {"action": "published", "release": release, "repository":
repo_response.json()}
# this should say something with "200"
print(requests.post(
f"
https://zenodo.org/api/hooks/receivers/github/events/?access_token={token};,
json=payload
))

I.e. that POST request above must be what github would do, when something
happens with releases. So, this just mimics what github would do, that's
all.

*Long story short: as a result, we have this now:
https://zenodo.org/record/8042261 *

-- Harald

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[sage-devel] Re: [sagemath-admins] sorry state of Zenodo integration

[Harald Schilly]

On Thu, Jun 15, 2023 at 11:51 AM Dima Pasechnik  wrote:

> OK, but we probably should not be running this on "all" releases, only
> on the missing on Zenodo ones.
> Also, it's you who has to run this script, most probably I can't (as
> it's somehow "owned" by you).
>

Well, I'll try if I can trigger version 10.0. I also noticed there are two
webhooks in the github repo. Not sure what to do, I'll leave it as it is
for now.

-- Harald

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[sage-devel] Re: [sagemath-admins] sorry state of Zenodo integration

[Harald Schilly]

Hi, I was indeed the one who set this up, but I vaguely remember someone
else added files to the sources back then.

In any case, I accessed zenodo and removed the link with zenodo from the
archived version, and added the sagemath/sage repository.

Let's see what happens, i.e. it says it is "syncing" now. ... OK, nothing
happened. Seems like only new tagged releases will trigger a registration.

I also found this, kind of a work around to trigger zenodo:
https://github.com/zenodo/zenodo/issues/1463#issuecomment-1468932469

-- Harald




On Wed, Jun 14, 2023 at 7:49 PM Dima Pasechnik  wrote:

> The backup repo
> https://github.com/sagemath/sage-archive-2023-02-01
> apparently threw Zenodo integration off - now
> our main repo, sage, is not associated with Zenodo any more, instead
> that backup repo is the one associated with Zenodo.
> Probably one had to get rid of .zenodo.* f and CITATION.cff files there
> first, I really don't know.
>
> Anyhow, I'm exchanging emails with Zenodo support, trying to sort this out.
>
> I also don't understand why sage-archive-2023-02-01 repo has releases.
> Was this repo created by some kind of a GitHub-specific clonig process?
>
> Dima
>
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>

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Re: [sage-devel] web site from cocalc but in our domain

['Harald Schilly' via sage-devel]

On Tue, Apr 25, 2023 at 11:50 AM Dima Pasechnik  wrote:

> >>> I have recently found:
> >>> https://sage.sagemath.org/
> >>> which seems to be advertisment for cocalc.
>
> it used to be just a link to cocalc:
> https://web.archive.org/web/20211021215731/https://sage.sagemath.org/
> (dated Oct 2021 - Harald, was it the time it was created ?)
>

I don't know when this was created. What you see in the web archive is
somewhat what the cocalc website was. It has changed since then. Regarding
DNS: as you can see via dig, it's a cname to wstein.org:

$ dig sage.sagemath.org
[...]
;; ANSWER SECTION:
sage.sagemath.org. 295 IN CNAME wstein.org.

which isn't working as intended. I deleted the entry. There is certainly
more in *.sagemath.org that could be cleaned up.

-- Harald

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[sage-devel] Re: VOTE: move Sage development to Github

[Harald Schilly]

+1 for GitHub, and GitLab mirror later


On Wednesday, September 21, 2022 at 7:23:36 PM UTC+2 David Roe wrote:

> Dear Sage developers,
> Following extensive discussion, both recently 
>  
> (prompted 
> by issues upgrading the trac server) and over 
>  the 
>  last 
>  
> decade 
> , we 
> are calling a vote on switching Sage development from Trac 
>  to Github .  We've 
> created a summary of the pros and cons of each system 
> , a 
> description 
> of the development model to be used on github 
> , 
> and a trac ticket  for 
> coordinating work on the transition.  More work will need to be done to 
> carry out the actual transition once voting is complete.
>
> The voting will last until noon Eastern time (16:00 UTC) on Wednesday, 
> October 5.  Please use this thread only for sending votes, to make it 
> easier to count them afterward; there is a parallel thread where you can 
> make arguments in favor of either system.
>
> Finally, I will close with a plea to be involved in this vote and 
> discussion even if you are not a core Sage developer.  By definition, core 
> Sage developers have become comfortable with trac, and I think that one of 
> the major arguments in favor of github is that it will help bring in new 
> contributors who are not familiar with Sage's development workfow 
> .  Anyone who has 
> ever contributed to the Sage code base or who maintains a Sage user package 
> is welcome to vote.
> David
>

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Re: [sage-devel] 9.3 build: suppress "do you want to install" questions

[Harald Schilly]

ok, thank you

On Tue, May 11, 2021 at 3:24 PM Dima Pasechnik  wrote:
>
> On Tue, May 11, 2021 at 2:19 PM Harald Schilly  wrote:
> >
> > Ok, yes, that's the sage install command. I should have added that I'm
> > one step earlier. I did "./configure ... {--enable-XYZ=yes|no about 90
> > times}" and then make.
> >
> > Or is there also some configuration switch I did miss?!
>
> --enable-experimental-packages
>
> hopefully does the trick
>
> >
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Re: [sage-devel] 9.3 build: suppress "do you want to install" questions

[Harald Schilly]

Ok, yes, that's the sage install command. I should have added that I'm
one step earlier. I did "./configure ... {--enable-XYZ=yes|no about 90
times}" and then make.

Or is there also some configuration switch I did miss?!

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[sage-devel] 9.3 build: suppress "do you want to install" questions

[Harald Schilly]

I'm trying to build 9.3 for CoCalc. Well, this time again after 9.1,9.2 , 
there are these "Are you sure you want to continue [Y/n]" questions for 
optional packages. I'm also building with two threads at once. So, what 
seems to happen is that on thread stops and asks this question, while the 
other one continues. Then, later, somehow this all stalls and waits forever.

1. I would expect that such a question blocks everything and doesn't 
essentially vanish – or, if there is a parallel build, just warn the user 
about it and don't wait for it, or ask at the very beginning about this.

2. Is there an option to automatically accept all such questions? I tried 
to pipe `yes` or something similar, but it didn't work.

Example output I saw just now:

spkg-install' '/ext/sage/sage-9.3/logs/pkgs/sagelib-9.3.log'
   
sage-logger -p 'SAGE_CHECK=no sage-spkg   awali-1.0.2-190218' 
'/ext/sage/sage-9.3/logs/pkgs/awali-1.0.2-190218.log'
=== WARNING ===

You are about to download and install the experimental package  
   
awali-1.0.2-190218.  This probably won't work at all for you! There

is no guarantee that it will build correctly, or behave as  
   
expected. Use at your own risk!

===

Are you sure you want to continue [Y/n]? [sagelib-9.3] Discovering 
Python/Cython source code   
[sagelib-9.3] distributions = ['', 'sage-mcqd', 'sage-bliss', 
'sage-coxeter3', 'sage-meataxe'] 
[sagelib-9.3] Discovered Python/Cython sources, time: 1.73 seconds.

[sagelib-9.3] running build

[...]

-- Harald

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[sage-devel] Re: [GSoC Mentors Announce] Now Accepting GSoC 2021 Mentoring Organization Applications until Feb 19

[Harald Schilly]

Hi, a word from my side: I would really like to stop being admin as well 
and hope someone else can take over. I'm the one writing the application 
each year and I could this time around, but in general I want to focus on 
other things after all those years.

Despite that, looks like there are only two mentors. Feels like this is 
below the threshold where it makes sense to pursue this? Maybe we should 
pass this year and re-evaluate for the next one?

-- Harald



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Re: [sage-devel] Re: incremental migration to github? [prompted by FUNDING issues!!!]

[Harald Schilly]

On Thu, Jan 7, 2021 at 9:23 PM Dima Pasechnik  wrote:
> Harald - can you take care of this?
>

Uhm, what's happening? Could someone please summarize this for me?

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Re: [sagemath-admins] Re: [sage-devel] Trac notification emails

[Harald Schilly]

On Sun, Apr 26, 2020 at 7:27 AM Dima Pasechnik  wrote:

> Also, note that GCE has an option of sending emails via G-suite,
> perhaps if someone already has G-suite it might come out better.
>

G-Suite has an email relay server, where the limit is 10k per day, more or
less. It's not hard to set it up.
https://support.google.com/a/answer/2956491?hl=en

If you have 2FA enabled, you need to create an "app specific password" just
for sending emails, and use that as the password.
https://support.google.com/accounts/answer/185833

-- harald

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[sage-devel] SageMath part of GSoC 2020

[Harald Schilly]

SageMath was selected to be part of Google Summer of Code 2020.

wiki: https://wiki.sagemath.org/GSoC/2020

gsoc: https://summerofcode.withgoogle.com/organizations/4553430409936896/

timeline: https://summerofcode.withgoogle.com/how-it-works/#timeline (next 
important date: students apply mid March)

If you know a student who might be interested to apply, please forward 
this. Conversely, if you are interested to become a mentor, contact me.

-- Harald

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[sage-devel] Google GSoC 2020

[Harald Schilly]

Hello everyone, Google's GSOC 2020 is announced. The application period for
organizations is  January 14, 2020 - February 5, 2020. In the past, it was
me who wrote it, but I'm worn down with that. Is there someone who wants to
take over?

Despite that, is there enough interest to apply? This mainly concerns the
few usual mentors, but maybe there is someone else who also likes to mentor
a project?

Timeline: https://summerofcode.withgoogle.com/how-it-works/#timeline

Wiki entry: https://wiki.sagemath.org/GSoC/2020

-- harald

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[sage-devel] 8.9: doc build error when _JAVA_OPTIONS is set

[Harald Schilly]

Hi, I'm trying to build the documentation for doc.sagemath.org on CoCalc.

It happens that we set some java options, and they are spit out by java
when you start it.

Building dochtml/manifolds tries to parse the java version somehow, but
that's not going to work. I have to admit, I haven't checked for a ticket …
I bet this is pretty unusual. This did work fine for 8.8. For now, I'm just
unsetting this env variable.

The relevant aspect is in the very last line: there is a linebreak and then
"11". Python tries to convert everything to an int 11, but it should only
pick the last line.

-- Harald

Stacktrace:

[dochtml] [manifolds]
/home/user/sage-git/local/lib/python2.7/site-packages/sage/manifolds/chart.py:docstring
of sage.manifolds.chart.RealChart.plot:372: WARNING: Exception occurred in
plotting chart-6
[dochtml] [manifolds]  from
/home/user/sage-git/src/doc/en/reference/manifolds/sage/manifolds/chart.rst:
[dochtml] [manifolds] Traceback (most recent call last):
[dochtml] [manifolds]   File
"/home/user/sage-git/local/lib/python2.7/site-packages/matplotlib/sphinxext/plot_directive.py",
line 524, in run_code
[dochtml] [manifolds] six.exec_(code, ns)
[dochtml] [manifolds]   File
"/home/user/sage-git/local/lib/python2.7/site-packages/six.py", line 709,
in exec_
[dochtml] [manifolds] exec("""exec _code_ in _globs_, _locs_""")
[dochtml] [manifolds]   File "", line 1, in 
[dochtml] [manifolds]   File "", line 17, in 
[dochtml] [manifolds]   File "", line 41, in sphinx_plot
[dochtml] [manifolds]   File "sage/plot/plot3d/base.pyx", line 1635, in
sage.plot.plot3d.base.Graphics3d.save
(build/cythonized/sage/plot/plot3d/base.c:21488)
[dochtml] [manifolds] self.save_image(filename, **kwds)
[dochtml] [manifolds]   File "sage/plot/plot3d/base.pyx", line 1564, in
sage.plot.plot3d.base.Graphics3d.save_image
(build/cythonized/sage/plot/plot3d/base.c:21046)
[dochtml] [manifolds] self._save_image_png(filename, **kwds)
[dochtml] [manifolds]   File "sage/plot/plot3d/base.pyx", line 1526, in
sage.plot.plot3d.base.Graphics3d._save_image_png
(build/cythonized/sage/plot/plot3d/base.c:20683)
[dochtml] [manifolds] scene = self._rich_repr_jmol(**opts)
[dochtml] [manifolds]   File "sage/plot/plot3d/base.pyx", line 261, in
sage.plot.plot3d.base.Graphics3d._rich_repr_jmol
(build/cythonized/sage/plot/plot3d/base.c:7211)
[dochtml] [manifolds] if not jdata.is_jvm_available():
[dochtml] [manifolds]   File
"/home/user/sage-git/local/lib/python2.7/site-packages/sage/interfaces/jmoldata.py",
line 70, in is_jvm_available
[dochtml] [manifolds] java_version_number = int(re.sub(r'.*version
"(0\.|1\.)?(\d*)[\s\S]*', r'\2', version))
[dochtml] [manifolds] java_version_number = int(re.sub(r'.*version
"(0\.|1\.)?(\d*)[\s\S]*', r'\2', version))
[dochtml] [manifolds] ValueError: invalid literal for int() with base 10:
'Picked up _JAVA_OPTIONS: -Djava.io.tmpdir=/home/user/tmp/ -Xms64m\n11'

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Re: [sage-devel] Re: Remove sagenb documentation from the reference manual?

[Harald Schilly]

On Tue, Jan 29, 2019 at 8:36 AM Dima Pasechnik  wrote:

> > So I just ran into this now that it is not in the "usual" place
> http://doc.sagemath.org/html/en/reference/notebook/sagenb/notebook/interact.html#sagenb.notebook.interact.interact
> >
> > Now where do we find the interact documentation?  I suppose this is
> "notebook" but it is in several different interfaces now - sagenb, Jupyter,
> Sage cell, and CoCalc .sagews worksheets (at least).   I regret not having
> thought of this when this ticket was under review (or at least I don't
> recall thinking of it).
>
> Harald, do the docs from SAGE_LOCAL/share/doc end up not being copied
> over at all?
>

Well. All I do is to apply a small patche to the code and build doc-html
and doc-pdf. Then I copy over all files and generate a few index pages. If
there is something missing I've no idea why that would be.

-- harald

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[sage-devel] Re: GSoC 2019?

[Harald Schilly]

Just FYI: I'll write an application and invite anyone who is interested to 
it.

I've also started the page for project 
ideas: https://wiki.sagemath.org/GSoC/2019

-- h


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[sage-devel] Re: [sagemath-admins] Bad source tarballs for ipython-5.8.0 on some mirrors

[Harald Schilly]

That's definitely weird.

The master is files.sagemath.org, and it's website says

ipython-5.8.0.tar.gz torrent 4.75 MB 2018-09-29 15:52
MD5: 7014b8824981eef2cb893ea5398d6b8d
and sha1: 987b66cc662db8bd2ae96eee2f2237266d0c92dc

So, that's correct. Must be the faul of that mirror. My contact email from
2011 is ftpma...@lip6.fr … anyone motivated to contact them? I'll disable
the mirror for now, though.

-- harald




On Fri, Jan 18, 2019 at 2:48 PM E. Madison Bray 
wrote:

> Several of the mirrors appear to be hosting a bad version of
> ipython-5.8.0.tar.gz that does not match the expected checksum in the
> Sage build tree:
>
> $ cat build/pkgs/ipython/checksums.ini
> tarball=ipython-VERSION.tar.gz
> sha1=987b66cc662db8bd2ae96eee2f2237266d0c92dc
> md5=7014b8824981eef2cb893ea5398d6b8d
> cksum=226069384
> $ wget
> http://www-ftp.lip6.fr/pub/math/sagemath/spkg/upstream/ipython/ipython-5.8.0.tar.gz
> $ sha1sum ipython-5.8.0.tar.gz
> 3ac43b6a6f40ef5c30cff2137e16f210ef4a6ec0  ipython-5.8.0.tar.gz
> $ md5sum ipython-5.8.0.tar.gz
> dec482b42b285aaf5430e2aabf54bff1  ipython-5.8.0.tar.gz
>
> I haven't checked any other packages but it makes me wonder.  Anyone
> have any idea?
>
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[sage-devel] GSoC 2019?

[Harald Schilly]

Hi everyone. This years Google Summer of Code 2019 just started. Should we 
write an application? Who is motivated to be a mentor? Everyone from last 
year still on board?

Here is the timeline, such that everyone can orient:
https://developers.google.com/open-source/gsoc/timeline

For our application, Feb 6th is the first important date!

-- Harald

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Re: [sage-devel] sage foundation ???

[Harald Schilly]

On Monday, September 24, 2018 at 3:12:12 PM UTC+2, kcrisman wrote:
>
>  Certainly R and probably other similar mathematical FLOSS does have 
> foundations...
>

I just came across this thread. Many years ago I had the idea to setup an 
european "sage foundation" similar to the one of R. My main thoughts where 
that this gives european users a way to organize us over here, while the UW 
parent foundation works well for the US. The R foundation [1] is situated 
in Vienna, Austria (incidentally where I live :-) and it's absolutely not 
not a bureaucratic hassle to set up a nonprofit organization like that over 
here. The real challenge is to find a couple of people who stick together 
and run it (a dedicated core team). Going with NumFocus sounds like a good 
idea, but it's also an US entity.

-- harald

[1] https://www.r-project.org/foundation/

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Re: [sage-devel] Re: doctest in sage/repl/load.py broken due to http://wstein.org/loadtest.py

[Harald Schilly]

Ok, I made this commit:
https://github.com/sagemath/website/commit/3e119757cf08ac8487351905f738bd6c31dcc216
to provide http://www.sagemath.org/files/test.sobj

Does this help?
On Wed, Aug 29, 2018 at 4:02 PM Sébastien Labbé  wrote:
>
>
> > I've no idea what "test.sobj" is.
>
> You may recreate the file test.sobj like this:
>
> sage: s = 'hello SageMath'
> sage: save(s, 'test.sobj')
> sage: ls
> test.sobj
>
> Then this works:
>
> sage: s = load('test.sobj')
> sage: s
> 'hello SageMath'
>
> Harald, can you create the file test.sobj as above and upload it to 
> www.sagemath.org/files please?
>
> Thank you,
>
> Sébastien
>
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[sage-devel] Re: doctest in sage/repl/load.py broken due to http://wstein.org/loadtest.py

[Harald Schilly]

Hi, I think that's due to some scraping protection by cloudflare. However, 
this file doesn't need to be there and I've put it in the "files" 
subdirectory of the website. I think that's a robust location and suiteable 
for this. E.g. here I'm downloading it via  curl in linux, which I assume 
should work from within sage, too

$ curl https://www.sagemath.org/files/loadtest.py
print "hi from the net"

print 2+3


I've no idea what "test.sobj" is.

-- harald


On Saturday, August 25, 2018 at 3:23:38 PM UTC+2, Sébastien Labbé wrote:
>
> Hi,
>
> The goal of ticket #25535 is to make the following work:
>
> sage -t --optional=sage,internet src/sage/repl/load.py
>
> There is one issue being the failure of the doctest:
>
>  sage: sage.repl.load.load('http://wstein.org/loadtest.py', 
> globals()) # optional - internet
>
> Something has changed with that file or with the way to access it because 
> it downloads not a Python file but rather an error message html file 
> containing expressions like "Access denied | wstein.org used Cloudflare 
> to restrict access" and "The owner of this website (wstein.org) has 
> banned your access based on your browser's signature.".
>
> See https://trac.sagemath.org/ticket/25535 for details.
>
> William, if you are reading this, do you understand the issue? Can you 
> make something on your side to make the doctest work again?
>
> Cheers,
>
> Sébastien
>

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Re: [sage-devel] Re: Suggestion for the SageMath website

[Harald Schilly]

On Thursday, June 21, 2018 at 5:09:13 PM UTC+2, Vincent Klein wrote:
>
> I have created a poll to help the decision 
> https://framadate.org/kxRhiWt1dx95MCr5. It include the option to say the 
> poll is a bad idea.
>

The poll has an option where it asks to add a comment here. My comment is 
to not show any packages on the landing page (neither random selected or 
some scrolling). Instead, a phrase like "consists of many packages", where 
"many packages" is a hyperlink to the component page. That component page 
is the alphabetically sorted list of all what's in 
sagemath: http://www.sagemath.org/links-components.html (and yes, I'm aware 
that the list needs work: https://github.com/sagemath/website/issues/135 
... contributions are welcome)

-- harald

 

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Re: [sage-devel] 8.2: no links to PDF files from main documentation page

[Harald Schilly]

On Wednesday, May 9, 2018 at 5:18:04 PM UTC+2, Erik Bray wrote:
>
> I really have no idea why this is or what would have changed.  I doubt 
> it's anything that was done specifically or deliberately in Sage. 
> More likely it was a default setting that changed in Sphinx. 
>

Hi, well, I tried to figure out what's going on, but I end up at old 
commits like:

https://git.sagemath.org/sage.git/commit/?id=c407db7aa12cb92a974a8a6bd87e4a1fe8b634d0
or even
https://git.sagemath.org/sage.git/commit/?id=c517a939841a496002d723051211212a18f97008

the second one from 2009 contains

{%- if hide_pdf_links %}
display: none;
{%- endif %}

in the template. That's exactly the if-clause that's active now (I want it 
to be false to show the PDF links). Maybe there was a bugfix involving 
passing through the --no-pdf-links command line argument. i.e. git grep 
no-pdf-links gives a few clues where I would have to start looking …

-- harald




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Re: [sage-devel] 8.2: no links to PDF files from main documentation page

[Harald Schilly]

Hello.

On Mon, May 7, 2018 at 9:12 PM Justin C. Walker  wrote:

> Sitting here on the left coast of the USA, kicking on the above link gets
> me to the “Tutorials and FAQ” page of the 8.2 documentation on
> doc.sagemath.org.  (That points to the HTML page, not the PDF page; not
> sure what you were intending above).
>

​There were convenient links from the html page to the PDF versions of
these parts. They're not visible starting with 8.2. See attached screenshot
in my original email.​



> If I go to doc.sagemath.org, and click on the “tour” link in the PDF
> section, I get the correct PDF for 8.2.
>
> Did it get fixed in the meantime?
>
>
​No, and the page above is an index page I had to come up with on my own.
​I'll try to figure out which commit did cause this CSS style to change,
such that the links are not visible.

-- harald

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[sage-devel] Re: Update README and doc on the mirrors for the format *.tar.bz2

[Harald Schilly]

On Sunday, May 6, 2018 at 9:27:36 AM UTC+2, Sébastien Labbé wrote:
>
> but maybe the webpages for the mirrors are elsewhere?
>


The "website" isn't the mirror, so that's not there. To change this, you 
have to edit the files on the master mirror.

Regarding commands for extracting files, well, maybe we should just delete 
that?

-- harald

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[sage-devel] Re: GSoC 2018: mentor application and ideas list

[Harald Schilly]

Hello, thank you for everyone's interest. There are a few who are willing 
to mentor again, but we also need short outlines of potential summer 
projects. So far, there is just one here:

https://wiki.sagemath.org/GSoC/2018

for comparison, and maybe also as a source of inspiration, last year is 
here: https://wiki.sagemath.org/GSoC/2017

-- Harald


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[sage-devel] Re: GSoC 2018: mentor application and ideas list

[Harald Schilly]

On Friday, January 12, 2018 at 6:26:02 PM UTC+1, Stefan wrote:
>
> Please register me as mentor again.
>>
>>
>>
Hi, thank you for the responses. Before I can add anyone sage as an 
organization needs to be selected, though. So, let's hope the application 
goes through again. I'll keep everyone posted about new developments ...

-- harald
 

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[sage-devel] GSoC 2018: mentor application and ideas list

[Harald Schilly]

Hello everyone. This year's Google Summer of Code started again. Are
we applying again? Who wants to be a mentor for a student? First step
is to get the application done and fill in this page of project ideas
and adding yourself as a mentor. Also please contact me to register
you as a mentor of the program.

https://wiki.sagemath.org/GSoC/2018

-- harald

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[sage-devel] Re: trac logo change ?

[Harald Schilly]

On Wednesday, December 20, 2017 at 5:17:04 PM UTC+1, Frédéric Chapoton 
wrote:
>
> Here is the original svg file, to be looked at in a browser.
>
> There is a font issue. 
>

Hello, just two comments: you can render any font in an SVG to no longer 
depend on it. That's for example an option in inkscape: select the text, 
then menu: path → object to path. Then you can also edit the individual 
characters, shape them a bit, etc. That way, it's pretty safe to use such a 
"plain SVG" on a webpage instead of an png graphic.

Another detail is that there is also a repository 
here: github.com/sagemath/artwork ... I added a link such that both can be 
discovered.

-- harald
 

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[sage-devel] Re: Sagemath mirrors security issues

[Harald Schilly]

Hi, I don't see how https helps with any such attack. What I always pointed 
out is to use checksums. e.g. the webseed torrent files 
here http://files.sagemath.org/torrents.html have checksums and what would 
be missing is to sign them. AFAIK there is no official public/private key 
for files on sagemath.org, but we could create one and sign files 
containing checksums. We can also add the fingerprint of the key to the 
source code. (which makes me wonder if we are maybe already signing the 
tagged releases in git?)

-- h

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[sage-devel] Re: [smc-intern] why does starting sage take twice as long as importing sage?

[Harald Schilly]

Inside sage -sh:

(sage-sh) ...@compute8-us:build$ time echo "print()" | ipython  > /dev/null

real0m1.122s
user0m0.812s
sys 0m0.080s
(sage-sh) ...@compute8-us:build$ time echo "print()" | python  > /dev/null

real0m0.014s
user0m0.008s
sys 0m0.004s
(sage-sh) ...@compute8-us:build$ time echo "print()" | ipython  > /dev/null

real0m1.076s
user0m0.796s
sys 0m0.064s

(sage-sh) ...@compute8-us:build$ time echo "print()" | python  > /dev/null

real0m0.014s
user0m0.008s
sys 0m0.004s

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[sage-devel] Re: [smc-intern] why does starting sage take twice as long as importing sage?

[Harald Schilly]

Can we try to isolate how long it takes to start the interactive
ipython shell? (your lib example is pure python only).

Here are two runs, alternating between them to get some statistical
sampling. Notice, the entire difference is one little "i"!

~/build$ time sage -python -c "import sage.all; sage.all.factor(2018)"

real0m4.133s
user0m3.796s
sys 0m0.296s

~/build$ time sage -ipython -c "import sage.all; sage.all.factor(2018)"
Out[1]: 2 * 1009

real0m5.460s
user0m4.840s
sys 0m0.372s

~/build$ time sage -python -c "import sage.all; sage.all.factor(2018)"

real0m4.132s
user0m3.688s
sys 0m0.320s

~/build$ time sage -ipython -c "import sage.all; sage.all.factor(2018)"
Out[1]: 2 * 1009

real0m5.374s
user0m4.780s
sys 0m0.344s

~/build$ time sage -python -c "import sage.all; sage.all.factor(2018)"

real0m4.228s
user0m3.836s
sys 0m0.332s

~/build$ time sage -ipython -c "import sage.all; sage.all.factor(2018)"
Out[1]: 2 * 1009

real0m5.419s
user0m4.804s
sys 0m0.368s

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[sage-devel] Re: No responde to account request.

[Harald Schilly]

Hello, I'll have a look. We need help with  trac account creation, but not 
much ever happened in the past years. Hence there could be a backlog.

-- h

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Re: [CoCalc] Re: [sage-combinat-devel] Re: Crystals not displaying

[Harald Schilly]

On Thu, Jun 1, 2017 at 2:59 PM, Dima Pasechnik  wrote:
> right, sorry, I mean a sagews notebook running Sage.
> I did not try other SMC Sage interfaces.

Yes, there is probably somewhere this "show" function involved, which
has the same name but a different implementation -- please don't ask
me about any details, I'm just pretty sure that this is what's going
on here :-)

-- harald

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Re: [CoCalc] Re: [sage-combinat-devel] Re: Crystals not displaying

[Harald Schilly]

On Thu, Jun 1, 2017 at 9:02 AM, Dima Pasechnik  wrote:
> By the way, this example does work on SMC, so they must be doing something
> non-standard here.
> What is that?

Hi, you need to be more precise, since CoCalc has a rather large
feature surface. In case you mean "sagews" files, they have nothing to
do with "sagemath", except that they use it as a back-end.

-- harald

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[sage-combinat-devel] Re: [CoCalc] Re: Crystals not displaying

[Harald Schilly]

On Wed, May 31, 2017 at 12:02 PM, Dima Pasechnik  wrote:
> oops, it does work after I install dot2tex by doing
>
> sage -i dot2tex

Well, I can only confirm, that dot2tex is installed on CoCalc...

Better error messages and sanity checks FTW :-)

-- harald

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Re: [sage-devel] broken: http://old.files.sagemath.org/src-old/

[Harald Schilly]

Hi, yes, the url is correct and file is hosted at
http://old.files.sagemath.org/src-old/

The only problem was the server wasn't running. I don't know why,
something bad must have happened on the server.

@william, yes, those old tarballs are stored on GCS, too.  It's too
expensive to use it for hosting, though.

-- harald


On Wed, May 10, 2017 at 12:45 AM, William Stein  wrote:
> Hi,
>
> I *have* a USB drive with all these files still.  It's 36GB of tarballs, from
>
> sage-v0.3-2005-04-21-src.tar to sage-6.5.tar.gz
>
> I've posted them here so you can grab the one you want:
>
> https://k8s.sagemath.org/187e8e97-d814-44c7-a8a5-ca9da39e5234/raw/src-old/index.html
>
> Any new thoughts about to host this stuff?
>
> Harald: what about uploading them to Google Cloud Storage?
>
> William
>
>
> On Tue, May 9, 2017 at 8:50 AM, kcrisman  wrote:
>>
>>
>> On Monday, May 8, 2017 at 10:36:55 AM UTC-4, William wrote:
>>>
>>> On Mon, May 8, 2017 at 7:17 AM, Pedro Cruz  wrote:
>>> > Hello,
>>> >
>>> > I'm looking for version 5.2 and the above link is broken in master
>>> > www.sagemath.org pages.
>>> >
>>> > Some emails, in this forum, are also pointing to that link.
>>> >
>>> > Where can I find SageMtath 5.2 to try to compile it on Ubuntu 16.04?
>>>
>>> That's disturbing.  I don't know what the answer is.
>>>
>>
>> I believe that in this very forum some people discussed this and although
>> some people (well, me) said it wasn't a good idea, the rest said it wasn't
>> worth keeping.  If I recall this - see
>> https://groups.google.com/forum/#!searchin/sage-devel/old$20tarballs%7Csort:date/sage-devel/WwguaTyKhE0/4YwXautvJLYJ
>> from a couple years ago, but that is not the discussion I am thinking of.
>>
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>
>
> --
> William (http://wstein.org)

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Re: [sage-devel] Re: GSoC 2017 accepted SageMath

[Harald Schilly]

yes, no problem, invite is sent

On Wed, Apr 5, 2017 at 4:08 PM, Johan S. H. Rosenkilde
<maill...@atuin.dk> wrote:
> Hi Harald,
>
> Sorry I've been unresponsive for a while. I realise I'm not on the
> mentors list to review projects - could you please add me?
>
> Probably best to use this email address: santaph...@gmail.com
>
> Best,
> Johan Rosenkilde
>
> Harald Schilly writes:
>
>> Hi, a follow up for mentors: I thought mentors can ask to register,
>> but no, please contact me to be invited (and if not clear, tell me
>> which email address)
>>
>> There is also a little bit of activity here:
>> https://groups.google.com/group/sage-gsoc/
>>
>> -- harald
>
>
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[sage-devel] Re: GSoC 2017 accepted SageMath

[Harald Schilly]

Update:

There are 29 proposals, some of them are junk, but I think there are also 
good ones. If you can, please help reviewing them. We have until April 24th.

https://developers.google.com/open-source/gsoc/timeline

-- harald

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[sage-devel] Fwd: Thanks and citation of Sage

[Harald Schilly]

-- Forwarded message --
From: 王晴睿Qing-Rui Wang 
Date: Mon, Apr 3, 2017 at 9:08 AM
Subject: Thanks and citation of Sage
To: harald.schi...@gmail.com


Dear Harald,

I'm sending you this email to tell you our appreciation of using Sage
in our recent work: https://arxiv.org/abs/1703.10937.

We spent 2 days in our cluster to calculate the Hermite normal form of
a matrix with size 2^20*(2^12+1) ~ 100*4000 ! Sage is much faster
than other mathematical softwares we have tried.

Maybe our work is the first one to use Sage in condense matter
physics. We use it to solve a system of linear integer equations in
our group super-cohomology theory, which classifies fermionic symmetry
protected topological phases. This is a fast-developing field
originated from Haldane's work on spin-1 chain in 1980s, for which
Haldane won the Nobel prize of physics in 2016.

Thanks again!

Bests,
Qingrui

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Mon, Mar 27, 2017 at 5:50 PM, Matthew Rennekamp
 wrote:
> What are we going to do for the files and other publications?

publications will be on the main sagemath.org page, it's just that
there are two links in the menu missing.

-- h

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Mon, Mar 27, 2017 at 12:47 PM, Harald Schilly
<harald.schi...@gmail.com> wrote:
> I'll report back when this is working.

Ok, modulo some global dns changes and updates, things like this work:

combinat.sagemath.org/Installation -> wiki.sagemath.org/combinat/Installation

-- harald

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Sat, Mar 25, 2017 at 2:02 AM, Anne Schilling  wrote:
>> https://github.com/sagemath/publications

> Is just pushed a couple of updates to the references to the repository.
> I hope you can see them.

Unfortunately no ... but ok, I see what's going on. What's missing is
that you go to your own clone of the publications repository [1] and
create a "pull request".

The flow is this:

1. commit and publish to your clone (what you did)
2. create a pull request
3. that sends me (and some others) an email that there is something
available for merging
4. Also "travis-CI" [2] does get a notification and will run a test
build with your changes.
5.1. If travis is happy, I'll merge it and publish the changes.
5.2 if travis is not happy, there won't be a merge. You then have to
fix your changes in your branch and the pull request updates, a new
build is triggered,etc. There is a small box in the pull request
telling you about the travis-ci status. In it is a link to see the
build log to spot the error. If there is a problem, it's usually some
bad formatting of bibtex.

[1] https://github.com/anneschilling/publications/
[2] https://travis-ci.org/sagemath/publications

-- harald

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Fri, Mar 24, 2017 at 11:33 PM, Nicolas M. Thiery
 wrote:
> All we
> need is to have http://combinat.sagemath.org redirect to
> https://wiki.sagemath.org/combinat/ for "backward compatibility" with
> references in e.g. published papers.

Uhm ok, I'll try to create a redirect like this

 http://combinat.sagemath.org/$1 -> https://wiki.sagemath.org/combinat/$1

The problem is, we don't need github for that. Well, there is a
repository now, maybe at some point it will be of use, but that
redirect isn't touching it.

I'll report back when this is working.

-- harald

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Fri, Mar 24, 2017 at 5:47 AM, Anne Schilling  wrote:
>> http://www.sagemath.org/library-publications-combinat.html
>>
>> ?
>
> Yes, thank you! I see that some references are outdated and some new
> can be added. I will add those soon.

Well, a while ago nathan cohen submitted a few patches to get rid of
those references from sagemath.org. Maybe I should add the entries
back?

But anyways, submissions to the publication lists go through
https://github.com/sagemath/publications
I think it's good to collect all of them at a central place.

The sagemath/website repo references it as a submodule and uses the
generated html files in its templates. There is no deep magic going
on. I'm happy if someone helps with the publications repo. there are a
couple of open tasks, etc.

-- harald

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Re: [sage-combinat-devel] Re: combinat.sagemath.org

[Harald Schilly]

On Thursday, March 23, 2017 at 5:48:20 PM UTC+1, Matthew Rennekamp wrote:
>
> Could we set up another repo, use it as a "project site" (as they call 
> it), and then use the www.sagemath.org/combinat as URL forwarding or 
> something else?
>
>>
>>
Yes, sure, see [1]. I think we can also have combinat.sagemath.org hosted 
there, see [2]

[1] https://github.com/sagemath/combinat
[2] https://help.github.com/articles/setting-up-a-custom-subdomain/

-- h

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[sage-devel] Re: GSoC 2017 accepted SageMath

[Harald Schilly]

Hi, a follow up for mentors: I thought mentors can ask to register,
but no, please contact me to be invited (and if not clear, tell me
which email address)

There is also a little bit of activity here:
https://groups.google.com/group/sage-gsoc/

-- harald

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[sage-devel] GSoC 2017 accepted SageMath

[Harald Schilly]

Just got word:

> Congratulations! Sage Mathematical Software System has been selected as a 
> Google Summer of Code 2017 mentor organization.

Further steps:

Starting now: mentors and students should get in contact, exchange
ideas about which project can be done, are there projects from the
past GSoC years to continue,  etc.

The actual period for student applications is March 20, 2017 - April
3, 2017. Up until then, mentors need to register on the GSoC page and
review the applications.

https://summerofcode.withgoogle.com/organizations/5790079692832768/

-- harald

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[sage-devel] Re: [sagemath-admins] Fwd: documentation: activate button?

[Harald Schilly]

On Fri, Feb 24, 2017 at 2:44 PM, Luca De Feo
 wrote:
> The "activate" button DOES appear in local installations, if they are
> served by the local HTTP server (through the jupyter notebook). Try
> it, it's cool. ...

well, ok. but what about using the sage cell server for all this? is
there an obstacle using it instead? we can even have two buttons,
appearing depending on if this is served from localhost or the
doc.sagemath.org website.

-- h

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Re: [sage-devel] Re: documentation: activate button?

[Harald Schilly]

On Friday, February 24, 2017 at 2:17:20 PM UTC+1, Thierry 
(sage-googlesucks@xxx) wrote:
> In principle, the activate button 
> (which transforms examples into cells) should appear when the doc is 
> browsed from jupyter, not from the online doc. 

I see, thank you for the pointer, I got it. The check for that precondition 
is

if (window.location.protocol.startsWith('http')) {

https://git.sagemath.org/sage.git/diff/?id=af82d8abc834b1dc960036a6f688c60332e8f613

-- h

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[sage-devel] documentation: activate button?

[Harald Schilly]

Hello, I just got an issue for the doc.sagemath.org page that there is an 
"Activate" button at the top right and well, I assume it should make the 
cells alive -- which is really cool -- but it's broken. I haven't seen this 
before and I have no idea what this is about, though.

Issue: https://github.com/sagemath/documentation/issues/12

-- Harald

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[sage-devel] Re: GSoC 2017 kickoff

[Harald Schilly]

Hello, in 3 days is the deadline regarding the project application.
I'm working on the application itself, but a list of suggested
projects is *vital* to getting approval. I saw a few ideas here, but
so far not a single proposal was added to

https://wiki.sagemath.org/GSoC/2017

Please compare it with the 2016 page, i.e. at minimum there should be

* title
* mentor(s) (with contact info)
* technical and theoretical scope
* short description

-- harald

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[sage-devel] GSoC 2017 kickoff

[Harald Schilly]

Hello, this year's Google Summer of Code 2017 just started.

I assume we will try again to be part of it, and therefore I've
started the registration process.

The most important aspect is to have mentors and project proposals.
For that, I've started this year's wiki page as a copy of last year:

https://wiki.sagemath.org/GSoC/2017 (compare with 2016)

The deadline for the application is Feb. 9th and I'm again working on
this like in the past 5 years.

-- Harald

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[sage-devel] Fwd: [sage-trac-account] Corrections about the function "is_prime" for graphs

[Harald Schilly]

This came in via the trac account request. I don't know the sender's
email address ...

-- h


-- Forwarded message --
From: 'Jamel Dammak' via sage-trac-account 
Date: Sun, Dec 11, 2016 at 10:01 PM
Subject: [sage-trac-account] Corrections about the function "is_prime"
for graphs
To: "sage-trac-acco...@googlegroups.com" 


Dear sir,

there is an error concerning the function "is_prime" for graphs in
Sagemath, section Graph Theory.

Here is a conter-example.

g1=Graph({0:[1,4],1:[0,2,4],2:[1,3,4],3:[2],4:[0,1,2]});g2=Graph({0:[1],1:[0,2,4],2:[1,3,4],3:[2,4],4:[1,2,3]})
#g1.show();g2.show();
#[1,4] is a module of g1 so g1 is not prime
g2.is_isomorphic(g1), g1.is_prime(),g2.is_prime()

This is a conter-example with two isomorphic graphs g1 and g2 on 5
vertices giving two different results
with the function "is prime".

I have an algorithm giving the list of all prime graphs on at most 8 vertices.

Best regards.

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[sage-devel] Re: [sage-notebook] Re: Proposal: move SageNB back to Sage

[Harald Schilly]

On Thu, Nov 24, 2016 at 10:38 AM, Jack Dyson  wrote:

> any idea ?



​The error is: NoSuchKernel: No such kernel named ir
​

That means, that the "ir" kernel for R (and many others) aren't available
in that image. I mean, you're running a local version of smc with some
minimal subset of the necessary stuff on the back-end -- that's it. In
total there is much much more, but that's outside the scope of smc. ​

Here is a most likely working copy of that kernel:

https://github.com/sagemathinc/smc/tree/master/src/smc-build/jupyter-kernels/ir

-- h

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[sage-devel] Re: A 404 in the Download Source page

[Harald Schilly]

I've made this ticket:
https://github.com/sagemath/website/issues/97

and yes, the changelog is simply missing because the script generating it
is lost.

-- h


On Mon, Nov 21, 2016 at 9:56 AM, TB  wrote:

> Dear sagemath.org website admins,
>
> In http://www.sagemath.org/download-source.html the README.txt link leads
> to a 404 page. The correct link might be https://git.sagemath.org/sage.
> git/tree/README.md
> Same for the changelog link (but versions prior to 7.4 works).
>
>
> Best regards,
>
> TB
>

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[sage-devel] Re: [sagemath-admins] http://macappstore.org/sage/ ?

[Harald Schilly]

I've no idea, but searching for this tool took me to

https://github.com/caskroom/homebrew-cask/blob/master/Casks/sage.rb

looking at blame/log reveals some names …

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[sage-devel] Re: Issue with figures in doc.sagemath.org

[Harald Schilly]

On Wednesday, November 2, 2016 at 11:39:55 AM UTC+1, Eric Gourgoulhon wrote:
>
> Hi, 
>
> Some 3D figures of the inline reference manual are not displayed on 
> http://doc.sagemath.org/html/en/reference/
> They are replaced by something like
>


That's taken care of, just an oversight by me …

-- h

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[sage-devel] Re: Issue with figures in doc.sagemath.org

[Harald Schilly]

Thanks for reporting that, I'll check what's going on. It's probably some 
issue with symlinks ...

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[sage-devel] Re: SAGE hit tab key for autocomplete

[Harald Schilly]

On Monday, October 3, 2016 at 5:00:17 PM UTC+2, Pjl Zaldívar wrote:
>
> When hitting the key tab to auto-complete the attribute of an object (see 
> below for an example) I have found that it does not show the window that 
> should appear.
>
> for example:
> a=501/7
> a.d
>

You have to evaluate the expression 501/7 first and store it in a. Then, a 
references the resulting object and can be inspected. So, I guess in your 
case, add a new cell delimiter between the two and evaluate the first one 
and then type in the second one and press tab.
 

-- h


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[sage-devel] Re: In the preview only one page is loading?

[Harald Schilly]

Hello, I don't think this is a Sage development question? If it is about 
SageMathCloud, please email h...@sagemath.com

On Wednesday, September 28, 2016 at 9:17:45 AM UTC+2, Bharath Krishnan 
wrote:
>
> Hello I need help with my paper that needs to be published as quickly as 
> possible. I have typed 6 pages but only one loads in the preview. Can you 
> please help fix this error.
>

Most likely, there is an error and you have to fix it first. 

-- harald 

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Re: [sage-devel] Re: [sagemath-admins] trac not responding

[Harald Schilly]

On Tue, Sep 27, 2016 at 9:29 PM, Dima Pasechnik  wrote:
>> we can't, because there are filesize limits.
> how about git-lfs ? (which is probably not cheap to use)

I don't think we need any of that, a normal CDN is fine, too. Problem
with using a commercial one is that the traffic is so expensive.

>
> We just have to ask (via ODK).

Well, any help is fine, but I bet there won't be a solution until
william's deadline.

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Re: [sage-devel] Re: [sagemath-admins] trac not responding

[Harald Schilly]

On Tue, Sep 27, 2016 at 7:39 PM, William Stein  wrote:
> no volunteers to migrate files/build/rsync.sagemath.org...  We should
> just switch to GitHub.

we can't, because there are filesize limits.

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Re: [sage-devel] Re: [sagemath-admins] trac not responding

[Harald Schilly]

On Mon, Sep 26, 2016 at 10:16 AM, Dima Pasechnik  wrote:
> this really has to be documented properly.

just added to your ticket a comment, repeating it here:
it's not only the git-trac page, but also the "the hard way" page:
http://doc.sagemath.org/html/en/developer/manual_git.html#the-trac-server
where git:// is mentioned.
it's probably best to condense all this down to a single minimal case
that covers the full development setup with ssh keys.

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Re: [sage-devel] Re: [sagemath-admins] trac not responding

[Harald Schilly]

On Mon, Sep 26, 2016 at 3:51 AM, Jonathan Bober  wrote:
> tracgit://trac.sagemath.org/sage.git (fetch)
> tracg...@trac.sagemath.org:sage.git (push)

As a random idea, since several others were also asking me about this:
Did you try setting both trac remotes to
g...@trac.sagemath.org:sage.git
?

or maybe this:

git remote add trac2 g...@trac.sagemath.org:sage.git
git fetch trac2

and see if that works.

-- harlad

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[sage-devel] Re: didn't got the trac account.

[Harald Schilly]

This is taken care of.

On Saturday, September 24, 2016 at 12:29:06 PM UTC+2, B Krishnan Iyer wrote:
>
> Hello folks!. Actually I had applied for the trac account few days back 
> and I didn't got any response. Can anyone tell me how can I inquire about 
> it.
>

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[sage-devel] Re: 404 in Sage Installation Guide

[Harald Schilly]

On Friday, September 9, 2016 at 12:16:36 AM UTC+2, leif wrote:
>
> The link to README.txt ("Be sure to read the file ..." [!]) 
>
>   http://www.sagemath.org/mirror/win/README.txt 
>
> referenced in 
>
>   
> http://doc.sagemath.org/html/en/installation/binary.html#microsoft-windows 
>
> gives a 404, for whatever reason. 



What is a good solution  here? I would suggest such a redirect from 
mirror/win/README.txt to the wiki page?

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[sage-devel] Re: [sagemath-admins] Re: missing emails from trac

[Harald Schilly]

On Tue, Aug 30, 2016 at 11:10 PM, Dima Pasechnik  wrote:
> besides changing the provider (sendgrid)

hmm, are you sure it's related to sendgrid? maybe there is some
setting that can be tweaked? I don't know anything about this "Milter"
thing or what it is really supposed to be doing, though.

-- harald

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Re: [sage-devel] missing emails from trac

[Harald Schilly]

Hi, I've no idea, I've not setup that server and never did something
for DKIM before. To me, it sounds like a configuration issue. Top hit
I got is this SE page, which is most likely what needs to be done:

http://unix.stackexchange.com/questions/74477/postfix-smtpd-warning-connect-to-milter-service-unix-var-run-opendkim-opendki

-- h

On Friday, August 26, 2016 at 10:55:00 PM UTC+2, Dima Pasechnik wrote:
>
> This might be related to DKIM, some kind of misconfiguration delaying 
> things:
>
> For each mail sent out I see in /var/log/mail.log a message like
>
> trac postfix/smtpd[12253]: warning: connect to Milter service 
> inet:localhost:8891: Connection refused 
>
> Harald, do you have an idea what this might be?
>
> Dima
>
> On Friday, August 26, 2016 at 9:34:49 PM UTC+1, Travis Scrimshaw wrote:
>>
>> I get them, but with a significant lag time.
>>
>> Best,
>> Travis
>>
>>

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Re: [sage-devel] missing emails from trac

[Harald Schilly]

Hi, I've no idea, I've not setup that server and never did something
for DKIM before. To me, it sounds like a configuration issue. Top hit
I got is this SE page, which is most likely what needs to be done:

http://unix.stackexchange.com/questions/74477/postfix-smtpd-warning-connect-to-milter-service-unix-var-run-opendkim-opendki

-- h


On Fri, Aug 26, 2016 at 10:54 PM, Dima Pasechnik <dimp...@gmail.com> wrote:
> This might be related to DKIM, some kind of misconfiguration delaying
> things:
>
> For each mail sent out I see in /var/log/mail.log a message like
>
> trac postfix/smtpd[12253]: warning: connect to Milter service
> inet:localhost:8891: Connection refused
>
> Harald, do you have an idea what this might be?
>
> Dima
>
> On Friday, August 26, 2016 at 9:34:49 PM UTC+1, Travis Scrimshaw wrote:
>>
>> I get them, but with a significant lag time.
>>
>> Best,
>> Travis
>>
>



-- 
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https://cloud.sagemath.com

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[sage-devel] Re: doc.sagemath.org gone from google

[Harald Schilly]

Yes, you are right, this sounds like a really good idea!

-- h

On Sun, Aug 7, 2016 at 6:14 PM, Volker Braun <vbraun.n...@gmail.com> wrote:

> Presumably Google decided that combinat is the canonical url, right?
> Hiding combinat is only kicking the problem down the road, there are
> presumably many copies of the Sage docs hosted somewhere. The correct
> solution would be to include a http://doc.sagemath.org/path/to/help.html"/> in our docs to disambiguate.
> For example like in https://github.com/Pylons/pylons_sphinx_theme/pull/8/
> files
>
>
>
> On Sunday, August 7, 2016 at 5:25:56 PM UTC+2, William wrote:
>>
>> I'm googling for links to the sage reference manual, e.g.,
>>
>>https://www.google.com/search?q=sage+Elements+of+Quotients+
>> of+Univariate+Polynomial+Rings=1C5CHFA_enUS691US691
>> =sage+Elements+of+Quotients+of+Univariate+Polyno
>> mial+Rings=chrome..69i57j69i64.1153j0j7=chrome=UTF-8
>>
>> and they now **all** go to combinat.sagemath.org.I had expected to
>> find links such as
>>
>>   http://doc.sagemath.org/html/en/reference/polynomial_rings/s
>> age/rings/polynomial/polynomial_quotient_ring_element.html
>>
>> but nope.
>>
>> --
>> William (http://wstein.org)
>>
>


-- 
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[sage-devel] Re: doc.sagemath.org gone from google

[Harald Schilly]

Btw, try

http://www.bing.com/search?q=sage+Elements+of+Quotients+of+Univariate+Polynomial+Rings

https://yandex.ru/search/?text=sage%20Elements%20of%20Quotients%20of%20Univariate%20Polynomial%20Rings

https://search.yahoo.com/search;_ylc=?p=sage+Elements+of+Quotients+of+Univariate+Polynomial+Rings

-- h

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[sage-devel] Re: doc.sagemath.org gone from google

[Harald Schilly]

Does anyone know who is administrating the combinat pages? Hiding those
pages could help. Besides that, I'm working with Paul Masson for months now
to fix these indices. It's a stubborn problem, though...

-- h

On Sun, Aug 7, 2016 at 5:25 PM, William Stein <wst...@gmail.com> wrote:

> I'm googling for links to the sage reference manual, e.g.,
>
>https://www.google.com/search?q=sage+Elements+of+Quotients+
> of+Univariate+Polynomial+Rings=1C5CHFA_enUS691US691=sage+Elements+
> of+Quotients+of+Univariate+Polynomial+Rings=chrome..
> 69i57j69i64.1153j0j7=chrome=UTF-8
>
> and they now **all** go to combinat.sagemath.org.I had expected to
> find links such as
>
>   http://doc.sagemath.org/html/en/reference/polynomial_rings/
> sage/rings/polynomial/polynomial_quotient_ring_element.html
>
> but nope.
>
> --
> William (http://wstein.org)
>



-- 
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[sage-devel] Re: Connect to sage kernel

[Harald Schilly]

What exactly do you try to do? Probably, the easiest way is to use SageMath 
as a library.

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[sage-devel] Re: Developer map not showing pins on developer locations

[Harald Schilly]

Fixed.

On Thursday, July 28, 2016 at 12:16:07 PM UTC+2, Dima Pasechnik wrote:
>
> I can also add that the devs list here needs work, too (outdated links etc 
> there).
>>
>>
Yes, there hasn't been much activity. However, the place to go is in the 
"conf"iguration section, and that file:
https://github.com/sagemath/website/blob/master/conf/contributors.xml

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[sage-devel] Re: Developer map not showing pins on developer locations

[Harald Schilly]

On Thursday, July 28, 2016 at 10:46:28 AM UTC+2, Jan Groenewald wrote:
>
> Map contains no pins...
>
>
 Problem is, that a file about "MarkerClusterer" in the google maps library 
is missing. It's probably deprecated (similar to the sagemath search page 
was broken for some time) and also needs to work to fix.

-- h

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Re: [sagemath-admins] Re: [sage-devel] Re: patchbot server not responding

[Harald Schilly]

On Fri, Jul 22, 2016 at 9:44 AM, Samuel Lelièvre
 wrote:
>> I can log in. Andrew Ohana was the one to give me access.
>> He told me the other people with access were himself, Harald and Volker.
>> I asked about adding more people, he said fine as long as Harald agrees,
>> so Harald is the boss there.

Well, I can login as "sagemath" since I've some keys for it, but I'm
not an administrator. So, that hardly counts as "boss" :-)

>> 2016-07-21 20:55 GMT+02:00 William Stein :
>>> *** I AM GOING TO DELETE ABSOLUTELY EVERYTHING FROM ALL COMPUTERS I
>>> HAVE AT UW LATER THIS SUMMER. ***

about that, more than a year ago I did already setup a VM called smo-1
in the sagemathorg GCE project. There are also the backups for the
source files, which are all there because I'm updating that regularly.

-- h

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Re: [sage-devel] Re: libtinfo.so.5: no version information available

[Harald Schilly]

On Thu, Jul 21, 2016 at 10:25 AM, leif  wrote:
> Could you track this down?
>
> I'm really curious.

well, so far no chance. there is definitely nothing LD* related set by
me, but my hunch is, that it might be a side effect of building R as
part of sagemath -- but it could be another package and I just saw it
while building R. My plan is to fix some other details with that build
and then rerun it completely from scratch. If it happens again, maybe
I should upload the build log …

-- h

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[sage-devel] Re: libtinfo.so.5: no version information available

[Harald Schilly]

On Sunday, July 17, 2016 at 2:49:12 PM UTC+2, Volker Braun wrote:
>
> do you have LD_LIBRARY_PATH or LD_PRELOAD set?
>

No, nothing like that is set. I also tried to clean up and start building 
again, but it did appear again. It's also a bit strange, because this error 
seems to come and go erratically. I'll try to see if I can notice something 
more concrete.

-- h

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[sage-devel] libtinfo.so.5: no version information available

[Harald Schilly]

Hi, when I'm compiling sage (either from develop or 7.2), I'm getting lots 
and lots of error lines like:

/bin/sh: /ext/sage/7.2/local/lib/libtinfo.so.5: no version information 
available (required by /bin/sh)

It's in a docker container, running normal recent ubuntu, and I have no 
real clue what I should try in order to get rid of this. Maybe it's just 
some env variable? I'm aware that this error did already came up here, and 
Volker's idea was to delete this file and rebuild. Besides that, does 
anyone have some experience with this error?

-- harald

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[sage-devel] Re: [sage-marketing] Manual de cálculo científico en SageMath

[Harald Schilly]

yes, made this a ticket

On Wed, Jun 29, 2016 at 12:39 PM, Eric Gourgoulhon
 wrote:
> Hi,
>
> I just noticed this reference, which might be useful to Spanish-speaking
> users:
>
> http://oaq.epn.edu.ec/index.php/publicaciones/publicaciones-varios/160-calculo-cientifico-en-sagemath-con-enfasis-en-sagemanifolds
>
> Maybe worth to add to
> http://www.sagemath.org/library-publications.html#books
>
> Best wishes,
>
> Eric.
>
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Re: [sage-devel] Re: [sagemath-admins] What is the best time for Trac downtime?

[Harald Schilly]

On Mon, Jun 20, 2016 at 4:08 PM, Erik Bray  wrote:
> Is Wednesday morning OK?

yes, sounds good. just email me and wst...@gmail.com and one of us
will do it ASAP

-- harald

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Re: [sage-devel] Re: [sagemath-admins] What is the best time for Trac downtime?

[Harald Schilly]

On Mon, Jun 20, 2016 at 3:54 PM, Erik Bray  wrote:
>
> Would you like to coordinate a time to do the migration?  Since we are
> (I think?) in the same time zone that might be easiest.

I'm UTC+2 (CEST), so sure, I'm happy to switch around DNS entries
during my day … and if it still happens to be night time for me, there
is also William at UTC-7 (PDT) to take over.

-- harald

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Re: [sage-devel] Re: [sagemath-admins] What is the best time for Trac downtime?

[Harald Schilly]

On Mon, Jun 20, 2016 at 10:02 AM, Harald Schilly
<harald.schi...@gmail.com> wrote:
> On Mon, Jun 20, 2016 at 10:00 AM, Erik Bray <erik.m.b...@gmail.com> wrote:
>> Would GitHub be a good place to put such a repository? Bitbucket? Anywhere
>> as long as it's private and not actually on any of Sage's infrastructure
>> itself.
>
> I could start a private repo at github, where we have our sagemath
> group. Just tell me a good name, maybe just "infrastructure" ?

ok, I started

https://bitbucket.org/sagemath/infrastructure

and added you as a team member.

-- h

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Re: [sage-devel] Re: [sagemath-admins] What is the best time for Trac downtime?

[Harald Schilly]

On Mon, Jun 20, 2016 at 10:02 AM, Harald Schilly
<harald.schi...@gmail.com> wrote:
> private repo at github

ok, wait, I thought that private repos at github are free now, but it
doesn't seem like that.

-- h

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Re: [sage-devel] Re: [sagemath-admins] What is the best time for Trac downtime?

[Harald Schilly]

On Mon, Jun 20, 2016 at 10:00 AM, Erik Bray  wrote:
> Would GitHub be a good place to put such a repository? Bitbucket? Anywhere
> as long as it's private and not actually on any of Sage's infrastructure
> itself.

I could start a private repo at github, where we have our sagemath
group. Just tell me a good name, maybe just "infrastructure" ?

-- h

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Re: [sagemath-admins] Re: [sage-devel] Re: http://trac.sagemath.org vs https://trac.sagemath.org

[Harald Schilly]

On Wed, Jun 8, 2016 at 2:53 PM, William Stein <wst...@gmail.com> wrote:
> Of some relevance -- Harald Schilly was recently in the process of
> putting a CloudFlare 'pro subscription' in front of all *.sagemath.org
> domains, for caching

yes, I'm still pursuing that. The last missing piece is how to deal
with sagecell ...

once switched, initially there won't be a change, and I'll  enable it
one by one with proper communication to the responsible people.

-- h

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[sage-devel] Re: Build failure Sage 7.3.beta3 on Mac OS 10.9 with binary-pkg

[Harald Schilly]

On Tuesday, June 7, 2016 at 8:20:49 PM UTC+2, Harald Schilly wrote:
>
> On Tue, Jun 7, 2016 at 8:06 PM, Karl-Dieter Crisman wrote: 
> > What I meant was of course for someone to take the binaries kindly 
> mentioned ...
>

 ok, files landed, and one of them is 7.1 which seems to been already there.

I'm wondering, if we should delete the beta3 and beta0 variants to avoid 
confusion?

http://files.sagemath.org/osx/intel/index.html

-- harald

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[sage-devel] Re: Build failure Sage 7.3.beta3 on Mac OS 10.9 with binary-pkg

[Harald Schilly]

On Tue, Jun 7, 2016 at 8:06 PM, Karl-Dieter Crisman  wrote:
> What I meant was of course for someone to take the binaries kindly mentioned
> earlier in this thread (at http://unhyperbolic.org/sage/) and put them to
> the general place, not any particular mirror.  I don't have that capability.

Ahh, I see, I don't saw the thread, just got your email...

-- h

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[sage-devel] Re: Build failure Sage 7.3.beta3 on Mac OS 10.9 with binary-pkg

[Harald Schilly]

On Tue, Jun 7, 2016 at 7:32 PM, kcrisman  wrote:
>
> Harald, could you do that?  We could use more binaries for various versions
> of OS X.

I'm not building any osx binaries and I don't think anyone has push
capabilities for the mit mirror. In doubt, just use the main
http://files.sagemath.org/osx/intel/index.html

-- h

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Re: [sage-devel] Re: Copyrights

[Harald Schilly]

On Fri, May 27, 2016 at 11:17 AM, Erik Bray  wrote:
> But if there were a contributor agreement I
> could give the Sage project permission to copy / use my code under its
> license without explicitly putting my name on it

The problem here is very simple: which legal entity would be on the
opposite side of such a CA? There is no standalone-NPO behind SageMath
... and placing a related organization like the University of
Washington behind it, just begs for introducing many issues :-)

PS: years ago I had the idea to start a small npo for sagemath over
here, but that kind of never worked out (i.e. you require a bunch of
dedicated people to actually run this, etc.)

-- h

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[sage-devel] Re: Copyrights

[Harald Schilly]

On Thursday, May 26, 2016 at 12:16:11 PM UTC+2, Erik Bray wrote: 
>
>  I don't want to 
> claim copyright ownership under my own name
>


you cannot do that legally, and in some countries of the world this would 
even lead to a situation where your contribution cannot be used at all. I'm 
guessing, that's quite the opposite of what you want to accomplish!

-- h

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Re: [sage-devel] Re: print to python3

[Harald Schilly]

On Wed, May 25, 2016 at 6:28 PM, Nils Bruin  wrote:
> In that case it might be worth considering if we can integrate our preparser
> steps into the lib2to3.refactor framework:

I'm by far not an expert on parsers, but I think forking that 2to3
part in the standard library could work (i.e. a lot of careful work,
but then it's much more robust). Internally, I think this tool works
by being able to parse both python versions into a syntax tree --
that's done in a .c file, such that this grammar definition is being
compiled to run quickly. Then, there are many python files in fixes/
which are doing the transformations of the parsed tree. There is also
a fix_print.py, which would need that little bit of patching to handle
the case of tuples vs. concatenated strings better. SageMath specific
transformations would be additional fix_*.py transformations.

-- h

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Re: [sage-devel] Re: print to python3

[Harald Schilly]

On Tuesday, May 24, 2016 at 5:48:59 PM UTC+2, John Cremona wrote:
>
> We seem to be stuck. 
>


I haven't read all the posting here, but just to throw in an idea that 
might not have been mentioned before: we could use this 2to3 utility in the 
preparsing step. I.e. an extended pipeline like input → preparser → 2to3 → 
evaluation.

Below is a sample code that does that, which is my just showing me that 
this is doable from within SageMath (running on SMC, SageMath 6.10)


%python
from lib2to3 import refactor
FIXERS_2TO3 = refactor.get_fixers_from_package("lib2to3.fixes")
rt = refactor.RefactoringTool(FIXERS_2TO3)
processed = preparse("""\
print "hello"
for k, v in d.iteritems():
print k, v
f(x) = 1+x^2
[blah(a,b) for a,b in x.iteritems()]
print range(10)
print dict.keys()
""")
tree = rt.refactor_string(processed, "SageMath2to3")
print(unicode(tree))

which produces

print("hello")
for k, v in d.items():
print(k, v)
__tmp__=var("x"); f = symbolic_expression(Integer(1)+x**Integer(2)).function
(x)
[blah(a,b) for a,b in x.items()]
print(list(range(Integer(10
print(list(dict.keys()))

Notable:

* didn't destroy or got confused by SageMath's preparse step (tested with 
this f(x) = ... and Integer)
* iteritems → items
* did wrap list( ... ) around these new generators, which are different 
from py2 (yes, that's not always intelligent, but hey that's the tradeoff)
* did fix williams example

Missing:

* As mentioned somewhere here, the print function needs fine-tuning to be 
more equivalent, but that's doable with a bit of heuristics.

My perspective on that is, that we could use this as a way to keep the UI 
in a long-term compatibility mode. At first, it's a default, but then we 
can figure out a way to make this somehow prominent and urge everyone to 
think about switching this compatibility mode layer off. Of course, my 
small test here is also by no means a full test. There are likely some 
hurdles left.

-- harald


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[sage-devel] Re: Does any repository at github.com/sagemath accept Github pull requests?

[Harald Schilly]

On Saturday, April 16, 2016 at 11:54:11 PM UTC+2, paulmasson wrote:
>
> Are all of these repositories used merely for hosting files?
>
> Does any active development take place purely on Github, i.e., outside of 
> the Trac system?
>
>
Yes, website and publications. 

-- h
 

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Re: [sage-devel] Pythonics

[Harald Schilly]

On Friday, April 1, 2016 at 1:24:30 AM UTC+2, Justin C. Walker wrote:
>
> > Just because a method is callable doesn't mean that it can't raise 
> > exceptions, including NotImplementedErrors.  There's no reasonable way 
> to 
> > tell if a method will raise an exception or not without calling it. 
>
> Shazbat!  I was afraid of that. 



You have to wrap any such call into a try/except block and check for this 
NotImplementedError

-- h


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Re: [sage-devel] mails from trac marked as spam?

[Harald Schilly]

Ah! Thank's for checking this out.

I don't really know how that came there, maybe an error by me. But for
example I have no idea about the DKIM key.

However, now this is txt and spf is gone:

$ dig  +short sagemath.org txt
"v=spf1 a:trac.sagemath.org ?all"
and the site verification ...

I hope that's better now …

-- h

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Re: [sage-devel] mails from trac marked as spam?

[Harald Schilly]

On Friday, March 18, 2016 at 3:39:47 PM UTC+1, Daniel Krenn wrote:
>
> On 2016-03-18 14:55, Harald Schilly wrote: 
> > I have no idea about trac's email setup, can you forward me the source 
> > code of one of such emails? My guess is, that it doesn't properly sign 
> > the email, etc. 
>
> The relevant section in the header of the mail should be: 



Seems like it works better now? However, we could add a SPF TXT line to the 
DNS of sagemath.org?  I.e. my idea is, that by including the sender 
explicitly in this "v=spf1 include: ?all" entry, the score 
would get pushed higher (no longer neutral)

-- harald


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[sage-devel] Re: online documentation and "long time"

[Harald Schilly]

On Tuesday, March 22, 2016 at 9:49:29 AM UTC+1, Samuel Lelievre wrote:
>
>
> Shouldn't the "long time" stuff appear anyway in the online documentation? 
>

Well, do you have any idea how to do that?

-- harald

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[sage-devel] Re: documentation changed in 7.1?

[Harald Schilly]

Well, never mind. I think it still works and I see that there are more 
plots. Would have been nice to have a heads up about this …

-- h

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