widget not working in mybinder lab about jupyterlab HOT 12 CLOSED

woot! thanks for your patience in figuring it out!

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argg, I bet we need to re-build this repo because jupyterlab updated its versions...I'll trigger a rebuild now, lemme know if this is still a problem!

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btw, where does clustergrammer come from? Is is a dependency of one of the packages in this repo?

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Hi @choldgraf, clustergrammer is a library that clustergrammer2 (the widget) depends on. These libraries are included in the clustergrammer2_test repo's requirements.txt.

I'm using the clustergrammer2_test repo to test the widget on mybinder and I'm still seeing the same build error for Jupyter lab.

mybinder notebook link

https://mybinder.org/v2/gh/ismms-himc/clustergrammer2_test/master?filepath=notebooks%2Fintroduction_nb.ipynb

mybinder lab link

https://mybinder.org/v2/gh/ismms-himc/clustergrammer2_test/master?urlpath=lab

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ah ok - so this issue isn't specifically for this repo then (binder-examples/jupyterlab)?

Looking into the clustergrammer2 widget, it doesn't seem like it's been made available for lab yet:

MaayanLab/clustergrammer-widget#10

does that look correct to you?

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I'm working on a new widget to replace clustergrammer-widget (https://github.com/maayanlab/clustergrammer-widget), that I'm calling clustergrammer2 (https://github.com/ismms-himc/clustergrammer2).

Clustergrammer2 works in Jupyter Notebook and Lab locally (I tested pip installing the widget on a few computers and it's working in notebook and lab). However, it only runs on mybinder notebook, but not lab. Sorry for the confusion.

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From your site you mention you must install the widget with

jupyter labextension install @jupyter-widgets/jupyterlab-manager

but I don't see this in your repository (in a postBuild file)...can you try adding this?

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(or whatever other installation commands need to be run to get it working on jupyterlab, make sure you have those run in the binder repository as well)

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Thanks @choldgraf adding the postBuild file (here next to requirements.txt) and making it executable using

chmod +x postBuild

worked.

I'm now able to see the widget in mybinder Jupyter Lab.

mybinder lab link

and

mybinder notebook link

Thanks again for your help!

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Hi @choldgraf, I'm running into the same issue again I believe.

I raised the issue here jupyter-widgets/ipywidgets#2498.

Not sure it the issue is appropriate for this repo.

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I'd double check that the version of jupyter lab is the same in both, I know it just had a new version released

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@choldgraf thanks. I was able to fix it and close the issue by releasing a new version of Clustergrammer2. I might have not built the lab extension previously.

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