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JavaScript output work in Binder notebooks but become disabled in Juniper.

I would really like to see a fix or get some hints toward it. 🙏 Thanks in advance!

For example, the following code block

from IPython.display import Javascript

Javascript('console.log("hello world");')

works in Binder but not in the Juniper demo that uses the same repo ines/spacy-io-binder.

First of all, thanks @ines for creating an amazing tool.

My only problem is I occasionally want to create cells that don't return anything to stdout, and then Juniper's status remains a misleading "loading" even though the cell has finished executing. For example,

// settings used for the screenshot below
new Juniper({
  repo: "pyiron/pyiron",
  isolateCells: false,
})

If I understand correctly, it's because the MyBinder server doesn't send any of the specific messages that Juniper is looking for in the first cell, e.g. a stdout message or failure to trigger outputArea.model.clear() and insert something other than msgLoading.

So I'm trying to figure out how to listen for a more generic "finished" event sent back by the mybinder server - basically, whatever background event triggers the Jupyter cell input-prompt to change from In [*] to In [1] on MyBinder itself. I will keep trying to figure it out, but maybe someone else has more of a clue than I do.

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Hi there.

Cheers for your work on juniper, it looks great. I'm going to try to roll it out to enable live documentation for our project.

Currently I'm thinking to configuring the pages to have expected cell outputs included statically directly after the juniper cells so people can review the page non-interactively, and also so we can potentially render pages out into a pdf document. While this is sufficient, it would certainly be nicer if juniper could be fed pre-baked outputs that it could display as default when a page is initially loaded. So if a user runs a cell interactively, the pre-baked output would be replaced with the live output.

Do you think this would be do-able without huge effort? Thanks for your efforts in any case!

Juniper and Thebelab seem to tackle the same problem, with -- if I understood correctly -- similar approaches. Is there an intrinsic reason preventing the two project to converge? E.g. by merging Juniper's cool additional goodies (e.g. CodeMirror cells, ...) into Thebelab?

Cheers,
Nicolas

Hi, anyway to clear cache.

When I tried to update mybinder and run under juniper. Its rendering past records and I have to wait around 30 mins to get it updated.

I downloaded the v0.1.0 source from the Releases tab, and it seems to be missing the fix discussed in Issue #3.

I searched dist/juniper.min.js for Kernel.startNew({type:this.kernelType,serverSettings:i}) and replaced that with Kernel.startNew({type:this.kernelType,name:this.kernelType,serverSettings:i}), and non-Python kernel support started working for me.

@ines thanks so much for this repo, it's really helpful for interactive documentation!

Is it possible to specify a parameter that will launch the container and download the requirements on page open, instead of when the runnable is first clicked? Our requirements take some time to install, so if we could do this in the background while they're reading content instead of making users wait ~a minute for everything to start up when they want to run the code, that would be ideal.

If its not possible, consider it a feature request 🙂

I've seen R successfully used on some fabulous sites building off Juniper such as https://noamross.github.io/gams-in-r-course/ However, I would like to use Juniper outside of the spaCy course framework, so am trying to use the juniper.min.js file directly and embed in the framework I'm using.

However, even with the most basic test file I can't seem to get it to use an R language kernel. Just to get started, I'm using the existing Binder build at ines/course-starter-r so that I can eliminate that as a problem. So, based on the attributes for repo/branch/kernelType/language at https://github.com/ines/course-starter-r/blob/master/meta.json I'm trying this:

<html>
  <head>
    <title>Juniper with R</title>
  </head>
  <body>

<pre data-executable>
x <- rnorm(10)
mean(x)
x
</pre>

<script src="juniper.min.js"></script>
<script>new Juniper({
    repo: 'ines/course-starter-r',
    branch: 'binder',
    kernelType: 'ir',
    language: 'r'
})</script>

  </body>
</html>

However, when I run, I get errors which show that the code has been run through the Python interpreter, not R. Any guidance would be massively appreciated as I can't understand what I'm doing wrong.

Thanks,

Louis

thanks for the awesome library! I'm now trying to use it for a kernel in another language.

from the options I thought the parameter would be defaultLang, but from looking at the code it seems like I should pass language in the options instead:

e.g. in console

j = new Juniper({ repo: 'amn41/bash_plus_kernel/', branch: 'master', kernelType: 'bash', language: 'shell'})
j.defaultLang
"shell"

if I run this shell on binder, I am able to execute bash commands. However, when I try to do so via juniper, I get:

  File "<ipython-input-1-8619f869794b>", line 1
    python hello.py &
               ^
SyntaxError: invalid syntax

so it still seems to be creating a python kernel. I did some digging into the jupyter/services code but couldn't find any hints there.

One other hint is that if I visit the url that juniper logs to the console
Starting WebSocket: wss://hub.mybinder.org/user/amn41-bash_plus_...
I see a JSON which contains name: python3

Hello,

Does Juniper support Node.js and Bash Scripts kernels?

Regards
OC