Ok! We now have JPEG support. My test script above now works.
I assume reading JPEG also works. ;)
Thanks to all who made this happen.

On Tuesday, April 19, 2022 at 2:24:36 PM UTC+10 PM 2Ring wrote:

> Thanks, Andrey. Much appreciated.
>
> I have my fingers crossed. :)
>
> On Tuesday, April 19, 2022 at 3:41:35 AM UTC+10 [email protected] wrote:
>
>> I've posted on sage-devel: 
>> https://groups.google.com/g/sage-devel/c/XKKcL3Od1OA
>>
>> On Monday, 18 April 2022 at 02:46:00 UTC-6 [email protected] wrote:
>>
>>> Ah, ok. 
>>>
>>> My old scripts that successfully used JPEG were from March 2021, not 6 
>>> years ago, unless I'm imagining things. ;) I've only been using Sage / 
>>> SageMathCell since September 2020 (I discovered it via 
>>> https://www.math-cs.gordon.edu/~kcrisman/mat338/NTIC.html).
>>>
>>> FWIW, lack of JPEG in Pillow is a fairly common problem:  
>>> https://stackoverflow.com/q/8915296/4014959
>>>
>>> Lately I've been exploring image processing with scipy & skimage. It 
>>> would be nice to load jpeg images. I mostly use SageMathCell on my Android 
>>> phone.  
>>> On Monday, April 18, 2022 at 10:48:19 AM UTC+10 kcrisman wrote:
>>>
>>>> However, you (original poster) can ask at the sage-devel or 
>>>> sage-support list whether this could potentially be re-enabled (presumably 
>>>> it was done because not every computer has the right jpeg library).  I 
>>>> actually ran into this myself just a few weeks ago - sometimes one doesn't 
>>>> use materials for closer to a decade :)
>>>
>>>

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