Adding `nx-cugraph` to RAPIDS Install Selector Tool

[nv-rliu]

Closes https://github.com/rapidsai/graph_dl/issues/604 & closes https://github.com/rapidsai/graph_dl/issues/609

In preparation for its stable release, this PR adds NetworkX + nx-cugraph as an option to the RAPIDS Install Selector Tool > Additional Packages.

Proposed changes:

• There note also mentions that nx-cugraph is part of the Standard RAPIDS metapackage.
• Users now have the option to install NetworkX + nx-cugraph via the "Additional Packages" list when installing via conda

• nx-cugraph will be included in the Standard pip installation

Notes for Reviewers

• The additional packages list is now sorted alphabetically (this can be reverted as necessary).
• When a user clicks "NetworkX + nx-cugraph", this only impacts the conda install option. This adds networkx nx-cugraph to the install command.

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[nv-rliu]

Thanks @bdice I'll make those changes and push and update shortly

[rlratzel]

I would propose editing the cuGraph button to say cuGraph / nx-cugraph if that is a sufficient solution.

We discussed that, but decided that might not be desired since installing cugraph with nx-cugraph brings along a lot of extra dependencies that nx-cugraph does not use and users may not want (dask, cudf, etc.).

nx-cugraph is not in the RAPIDS meta-package at the moment either, so we're planning on adding it there too. That will help and seems correct for a RAPIDS install, but it's not as noticeable as a dedicated button and doesn't help users that just want Accelerated NetworkX.

@bdice if nx-cugraph isn't button-worthy, is there an alternative we can discuss?

[rlratzel]

@bdice if nx-cugraph isn't button-worthy, is there an alternative we can discuss?

cc @beckernick for any additional suggestions.

[bdice]

We could revisit the entire UX of the package selector. Maybe there’s a multi-row interface or something that uses a list with checkboxes that would still be visually appealing and provide more flexibility.

[bdice]

Also, I don’t want to be a deciding voice here against adding a button. I just raise that concern because we have hesitated on similar changes in the past.

[rlratzel]

Discussed offline with @bdice @beckernick @nv-rliu @aravenel @quasiben and decided that the best option would be to add a button to "Additional Packages" named "NetworkX + nx-cugraph" (or just "NetworkX" with a pop-up note indicating nx-cugraph is installed too?) which installs NetworkX and nx-cugraph.

[nv-rliu]

Let’s merge this. But it is missing a key feature: people who select “pip” and choose specific packages do not have an option to pick nx-cugraph.

@bdice Do you think that I could add an "Additional Packages" bar for pip installation?

PS. Is there a reason why this isn't included for pip when it was added to conda?

[bdice]

We've just never implemented a pip "additional packages". I think we could open discussion for that with the team internally and decide how to proceed. In the short term we probably only need a solution for adding nx-cugraph.