PR using this approach at https://github.com/sagemath/sage/pull/36731
On Thursday, November 16, 2023 at 8:35:53 PM UTC-8 Matthias Koeppe wrote:
> Or we just let pillow use a system libjpeg if it finds one.
>
> On Thursday, November 16, 2023 at 2:38:07 PM UTC-8 Dima Pasechnik wrote:
>
>>
>>
>> On
If we decide to make libjpeg a normal standard package, then I'd be +1 on
using libjpeg-turbo. Debian also switched to it many years ago, and it only
has to apply a small amount of patches
(https://sources.debian.org/src/libjpeg-turbo/1%253A2.1.5-2/), which we
could easily adopt.
On Friday, No
On Fri, 2023-11-17 at 10:49 -0800, Marc Culler wrote:
> I expect to receive lots of flak for saying this, but I support making
> libjpeg be a standard spkg using the source code from
> https://libjpeg.sourceforge.net. I just built version jpeg-9e on Ubuntu
> 18.04 and macOS 10.13. The standard
On Fri, 2023-11-17 at 17:26 +, Dima Pasechnik wrote:
>
> Why can't Features be set up by ./configure ? You'll tell me that
> (some) distributions don't run ./configure, but this is beside the
> point.
> They have ways to know what's installed and what's not installed.
>
I think the problem i
I should also have mentioned that macOS is an example of a system which
does not come with libjpeg.
On Fri, Nov 17, 2023 at 12:53 PM Marc Culler wrote:
> No, I meant both "normal" and "standard". I am sure I will master this
> terminology sooner or later.
>
> On Friday, November 17, 2023 at 12:
No, I meant both "normal" and "standard". I am sure I will master this
terminology sooner or later.
On Friday, November 17, 2023 at 12:51:48 PM UTC-6 Marc Culler wrote:
> I meant "normal" when I said "standard".
>
> On Friday, November 17, 2023 at 12:49:18 PM UTC-6 Marc Culler wrote:
>
>> I exp
I meant "normal" when I said "standard".
On Friday, November 17, 2023 at 12:49:18 PM UTC-6 Marc Culler wrote:
> I expect to receive lots of flak for saying this, but I support making
> libjpeg be a standard spkg using the source code from
> https://libjpeg.sourceforge.net. I just built version
I expect to receive lots of flak for saying this, but I support making
libjpeg be a standard spkg using the source code from
https://libjpeg.sourceforge.net. I just built version jpeg-9e on Ubuntu
18.04 and macOS 10.13. The standard ./configure ; make install method
works flawlessly - not eve
On Friday, November 17, 2023 at 10:11:43 AM UTC-8 Dima Pasechnik wrote:
We have at least one open issue/PR,
adding spkg-configure.m4 for FriCAS,
stuck due to the fact it's an insanely complicated job to provide
Feature for it, and totally meaningless, if you ask me.
I'll interpret this declar
On Fri, Nov 17, 2023 at 5:57 PM Matthias Koeppe
wrote:
>
> On Friday, November 17, 2023 at 9:27:03 AM UTC-8 Dima Pasechnik wrote:
>
> why do we even need runtime Feature tests? This is a leftover from the
> times one could install Sage packages in a Sage session
>
>
> No, it's not. It's a much new
On Friday, November 17, 2023 at 9:27:03 AM UTC-8 Dima Pasechnik wrote:
why do we even need runtime Feature tests? This is a leftover from the
times one could install Sage packages in a Sage session
No, it's not. It's a much newer facility.
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On Fri, Nov 17, 2023 at 5:15 PM Matthias Koeppe
wrote:
>
> On Friday, November 17, 2023 at 1:14:54 AM UTC-8 Dima Pasechnik wrote:
>
>
> On 17 November 2023 04:35:53 GMT, Matthias Koeppe
> wrote:
> >Or we just let pillow use a system libjpeg if it finds one.
>
> With a dummy package we can have d
On Friday, November 17, 2023 at 2:33:06 AM UTC-8 Eric Gourgoulhon wrote:
What is exactly a "dummy package"? Is it something that requires a system
package ? Is it complicated to set up and maintain?
It's a package for which the Sage distribution does not provide a method of
installing it, bu
On Friday, November 17, 2023 at 1:14:54 AM UTC-8 Dima Pasechnik wrote:
On 17 November 2023 04:35:53 GMT, Matthias Koeppe
wrote:
>Or we just let pillow use a system libjpeg if it finds one.
With a dummy package we can have doctests,
with #optional tag, checking that this all works.
No, tha
On Fri, 2023-11-17 at 02:33 -0800, Eric Gourgoulhon wrote:
> On 17 November 2023 04:35:53 GMT, Matthias Koeppe
> wrote:
> > Or we just let pillow use a system libjpeg if it finds one.
>
> This would probably be the easiest solution: I cannot imagine a system
> without libjpeg...
I don't know
Le vendredi 17 novembre 2023 à 10:14:54 UTC+1, Dima Pasechnik a écrit :
On 17 November 2023 04:35:53 GMT, Matthias Koeppe
wrote:
>Or we just let pillow use a system libjpeg if it finds one.
This would probably be the easiest solution: I cannot imagine a system
without libjpeg...
With
On 17 November 2023 04:35:53 GMT, Matthias Koeppe
wrote:
>Or we just let pillow use a system libjpeg if it finds one.
With a dummy package we can have doctests,
with #optional tag, checking that this all works.
>
>On Thursday, November 16, 2023 at 2:38:07 PM UTC-8 Dima Pasechnik wrote:
>
>>
Or we just let pillow use a system libjpeg if it finds one.
On Thursday, November 16, 2023 at 2:38:07 PM UTC-8 Dima Pasechnik wrote:
>
>
> On 16 November 2023 19:33:45 GMT, Michael Orlitzky
> wrote:
> >On Thu, 2023-11-16 at 06:48 -0800, Eric Gourgoulhon wrote:
> >>
> >> If we agree to restore
On 16 November 2023 19:33:45 GMT, Michael Orlitzky wrote:
>On Thu, 2023-11-16 at 06:48 -0800, Eric Gourgoulhon wrote:
>>
>> If we agree to restore jpeg support in Pillow, I have prepared a branch
>> that does this for Sage 10.2 (simply suppressing the option "jpeg=disable"):
>> https://github
On Thu, 2023-11-16 at 06:48 -0800, Eric Gourgoulhon wrote:
>
> If we agree to restore jpeg support in Pillow, I have prepared a branch
> that does this for Sage 10.2 (simply suppressing the option "jpeg=disable"):
> https://github.com/egourgoulhon/sage/tree/pillow_jpeg
> and I am happy to submit
I'm not aware of why we were suppressing jpeg support before, but this
sounds like a good idea to me.
David
On Thu, Nov 16, 2023 at 9:48 AM Eric Gourgoulhon
wrote:
> Hi All,
>
> Pillow provides the Python Imaging Library (PIL)
> https://pillow.readthedocs.io/en/stable/
> and is a standard packag
Hi All,
Pillow provides the Python Imaging Library (PIL)
https://pillow.readthedocs.io/en/stable/
and is a standard package in Sage.
Now, in Sage 10.2.rc3, the following code
g = plot(sin(x)) # to generate a png figure
g.save("fig.png") #
from PIL import Image
img = Image.open("fig.png")
i
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