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    Angus Hollands
    @agoose77
    Awesome, thanks. Fortunately, apart from removing magics, all my notebooks worked (apart from a sneaky display_html) call
    martinRenou
    @martinRenou

    I wonder if there is a related issue to the way that IPython typically leaks descriptors (from widget sockets)

    I am not sure I get what you mean here

    what is wrong with the display_html call?
    8 replies
    Angus Hollands
    @agoose77
    It doesn't work, or at least, it only renders the simple repr instead of the rich display

    I wonder if there is a related issue to the way that IPython typically leaks descriptors (from widget sockets)

    I am not sure I get what you mean here

    I use ipyvolume and bqplot etc, and when I have long running analysis sessions, I eventually have to restart the kernel after runnning out of file descriptors

    I did some napkin debugging and it seemed related to widgets
    This is not in xeus-python
    martinRenou
    @martinRenou

    It doesn't work, or at least, it only renders the simple repr instead of the rich display

    Can you open an issue for this? It should be fixed

    6 replies
    Uwe L. Korn
    @xhochy
    @marimeireles Can you clarify a bit minirhumba is? The Readme is a bit sparse :D
    Mariana Meireles
    @marimeireles
    haha yeah
    I'm editing it right now :)
    but minirhumba is an installer for rhumba
    and rhumba is micromamba bidings for R
    meaning that
    you can run it inside R as if it was CRAN
    to get R packages!
    @xhochy
    Uwe L. Korn
    @xhochy
    Ah, so micromamba + R package but the user provides the R installation?
    Mariana Meireles
    @marimeireles
    ahm, yeah
    if you're getting it from conda then you'll get R anyways
    because... R is a dependency of rhumba
    Uwe L. Korn
    @xhochy
    Nice!
    Mariana Meireles
    @marimeireles
    :)!
    Sylvain Corlay
    @SylvainCorlay
    @marimeireles let's add a nice screencast to the readme :)
    Mariana Meireles
    @marimeireles
    right!
    Sylvain Corlay
    @SylvainCorlay
    Repo2docker has adopted mamba!
    jupyterhub/repo2docker#962
    This is a big deal.
    martinRenou
    @martinRenou
    :sparkles:
    Nicolas M. Thiéry
    @nthiery
    Congratulations! I am very much looking forward the speedup.
    Sylvain Corlay
    @SylvainCorlay
    There is a modest speedup, because a big part of the cost is
    • downloading miniconda
    • building JupyterLab.
    The former cost will be removed when we switch to micromamba.
    The latter should be removed when we finally use JupyterLab 3.0 which has the dynamic extension system.
    martinRenou
    @martinRenou
    So many exciting stuffs happening
    Uwe L. Korn
    @xhochy
    I have a lot of Binder materials that have large environments (Python + R :D), so this is definitely a massive improvement! Thanks!
    Sylvain Corlay
    @SylvainCorlay
    Let's hope that it holds. This is a massive scale test of mamba.
    Nicolas M. Thiéry
    @nthiery
    Just in case it went unnoticed and it would ring a bell to anyone: I am still struggling with my "cling in CI" issue from this morning (~9:38) :-)
    Mariana Meireles
    @marimeireles

    Repo2docker has adopted mamba!

    that's really cool!

    Wolf Vollprecht
    @wolfv
    :tada:
    @nthiery are you activating the conda environment correctly?
    Jeremy Tuloup
    @jtpio

    Repo2docker has adopted mamba!

    :rocket: :rocket:

    Maarten Breddels
    @maartenbreddels
    that's awesome!
    and very :green_heart:
    Sylvain Corlay
    @SylvainCorlay
    @nthiery I have made a new build of xwidgets which seems to solve the issue that you had.
    Nicolas M. Thiéry
    @nthiery
    @wolfv : I am using a miniconda-based Docker image, and the packages are installed in (base). Would it take something specific to activate it? Could it be something like when testing my docker image I'd be using an interactive shell, whereas the CI would call a bare sh e.g. without loading the usual profile?
    @SylvainCorlay Nice! Will try that and report.
    Sylvain Corlay
    @SylvainCorlay

    Would it take something specific to activate it

    yes!

    doing conda activate root would do that.
    Nicolas M. Thiéry
    @nthiery
    Hmm. I tried a couple more or less stupid variants, with no success
    https://gitlab.u-psud.fr/Info111/Info111/-/jobs/7108
    Plain conda activate complains about conda not being setup for that shell.
    Examples welcome!
    Jason Grout
    @jasongrout
    Just curious: it seems you are recommending micromamba for CI. Implicit in that recommendation is that you are not recommending it for day-to-day interactive use. Is there a reason for not using it day-to-day from the command line?
    (where you means micromamba devs, not Nicolas :)
    Wolf Vollprecht
    @wolfv
    @nthiery there are some hacks to do the conda activate in CI
    It's something like source <path_to_prefix>/etc/profile.d/conda.sh