Never mind.  I must have accidentally tested with 9.4.  Tornado is still 
returning a 404 when the notebook tries to load 
/nbextensions/widgets/notebook/js/extension.js.
On Wednesday, February 2, 2022 at 9:36:10 AM UTC-6 Marc Culler wrote:

> What I said above appears not to be correct.  It looks like enabling the 
> widgets extension with the instructions in the user_install page did work.  
> I am now getting a widget with Sage 9.5.  More testing is needed, but it 
> looks promising.
>
> - Marc
>
> On Tuesday, February 1, 2022 at 9:21:23 PM UTC-6 Marc Culler wrote:
>
>> No.  I was referring to 
>> https://ipywidgets.readthedocs.io/en/latest/user_install.html which was 
>> Samuel's [more details here] link.
>>
>> Incidentally, following those instructions did result in a log message 
>> indicating that the widgets had been enabled in Jupyter.  But there was no 
>> change in the behavior.  Attempting to load extension.js still produced a 
>> 404.
>>
>> - Marc
>>
>> On Tue, Feb 1, 2022 at 6:14 PM Matthias Koeppe <matthia...@gmail.com> 
>> wrote:
>>
>>> Marc, are you referring to these instructions?
>>>
>>> https://doc.sagemath.org/html/en/installation/launching.html#setting-up-sagemath-as-a-jupyter-kernel-in-an-existing-jupyter-notebook-or-jupyterlab-installation
>>>
>>>
>>> On Tuesday, February 1, 2022 at 3:28:48 PM UTC-8 Marc Culler wrote:
>>>
>>>> So is Sage following those instructions during its build process?  The 
>>>> docs do not say what those jupyter commands actually do.  They have 
>>>> separate instructions for enabling the widgets when using a virtualenv.  
>>>> Of 
>>>> course Sage's venv is not a true virtualenv as created by venv, so it is 
>>>> hard to know whether the virtualenv instruction apply for Sage or not.  
>>>> But 
>>>> given that the widgets worked before Sage switched to its virtualenv-like 
>>>> venv I would guess that they do apply.
>>>>
>>>> It is unclear to me whether this is an issue with the packaging of the 
>>>> SageMath app for macOS or whether it is an issue with Sage's build 
>>>> process, 
>>>> which I follow when building Sage for the app.  It would be helpful to 
>>>> know 
>>>> the meaning of the sentence "Most of the time, installing ipywidgets 
>>>> automatically configures Jupyter Notebook to use widgets."
>>>> Specifically, what does it mean to "configure Jupyter Notebook to use 
>>>> widgets".
>>>>
>>>> - Marc
>>>>
>>>> On Tuesday, February 1, 2022 at 1:26:33 PM UTC-6 slelievre wrote:
>>>>
>>>>> 2022-02-01 15:13:27 UTC, Marc Culler:
>>>>> >
>>>>> > Thanks. And I can reproduce this. I see the error shown below
>>>>> > in the Firefox Console. (I include it here in case anyone might
>>>>> > recognize it).
>>>>>
>>>>>
>>>>> There's an FAQ entry here
>>>>>
>>>>>
>>>>> https://github.com/Wuliyuanulb/ComponentSDKDoc/blob/bfe53cf2162f62134356b58d7eae07e367044602/_build/_sources/faq.md.txt
>>>>>
>>>>> that reads
>>>>>
>>>>> > In browser F12 window, there is `Couldn't process kernel message`
>>>>> > error in Console log. WrappedError message will be like:
>>>>> > ```
>>>>> > Error: Class jupyter.widget not found in registry at http://xxx
>>>>> > ```
>>>>> > This is because ipywidgets not correctly enabled in jupyter extension
>>>>> > when using pip to install. Reinstall using conda will solve this 
>>>>> issue.
>>>>> > See [more details here](
>>>>> https://ipywidgets.readthedocs.io/en/latest/user_install.html).
>>>>> > ```
>>>>> > conda install -c conda-forge ipywidgets
>>>>> > ```
>>>>>
>>>>> And here are some more related discussions,
>>>>> hoping there's something relevant to dig from them.
>>>>>
>>>>> https://github.com/Caltech-IPAC/firefly_widgets/issues/6
>>>>> https://github.com/InsightSoftwareConsortium/itkwidgets/issues/207
>>>>>
>>>>> https://github.com/ipython-contrib/jupyter_contrib_nbextensions/issues/1319
>>>>> https://github.com/jupyter-widgets/ipywidgets/issues/2569
>>>>> https://github.com/jupyter-widgets/ipywidgets/issues/377
>>>>> https://github.com/jupyterlab/jupyterlab/issues/4398
>>>>> https://github.com/maartenbreddels/ipyvolume/issues/36
>>>>> https://github.com/OpenGeoscience/geonotebook/pull/51
>>>>> https://github.com/twosigma/beakerx/issues/6582
>>>>>
>>>>> Found by searching using this request
>>>>>
>>>>>
>>>>> https://github.com/search?q=Class+jupyter.widget+not+found+in+registry&type=issues
>>>>>
>>>>> Not sure that helps at all, sorry.  --Samuel
>>>>>
>>>>> -- 
>>> You received this message because you are subscribed to a topic in the 
>>> Google Groups "sage-support" group.
>>> To unsubscribe from this topic, visit 
>>> https://groups.google.com/d/topic/sage-support/FlLA_7tUb0M/unsubscribe.
>>> To unsubscribe from this group and all its topics, send an email to 
>>> sage-support...@googlegroups.com.
>>> To view this discussion on the web visit 
>>> https://groups.google.com/d/msgid/sage-support/26b228ed-ed16-400b-849c-7c3be030a413n%40googlegroups.com
>>>  
>>> <https://groups.google.com/d/msgid/sage-support/26b228ed-ed16-400b-849c-7c3be030a413n%40googlegroups.com?utm_medium=email&utm_source=footer>
>>> .
>>>
>>

-- 
You received this message because you are subscribed to the Google Groups 
"sage-support" group.
To unsubscribe from this group and stop receiving emails from it, send an email 
to sage-support+unsubscr...@googlegroups.com.
To view this discussion on the web visit 
https://groups.google.com/d/msgid/sage-support/10cf8e7b-0bd1-41f4-ab87-5109f1494355n%40googlegroups.com.

Reply via email to