[Debian-science-sagemath] Help needed to backport ipywidgets blocking sagemath backport (Was: ... (Was: Backporting sagemath))

[Ximin Luo]

Andreas Tille:
> Hi again,
> 
> the versioned Build-Dependency fonts-font-awesome_4.7.0~dfsg-1~bpo8+1
> was just accepted in Jessie-Backports.  It would be great if somebody
> could have a look to solve the suspected infinite loop issue when trying
> to build ipywidgets.
> 

Hi Andreas, Gordon sent this to the debian-science-sagemath list but I think you're not subscribed:

~~~~
I think I encountered this one trying to build the package on ubuntu
xenial. If I remember correctly the solution was to backport
python{,3}-setuptools >= 28 (~bpo8 currently has 20), although I can't
now find a relevant setuptools bug.

(You can find my backport PPA with hopefully a sufficient list of
packages at [1]).

Gordon

[1]: https://launchpad.net/~chronitis/+archive/ubuntu/jupyter
~~~~

I myself have not seen the issue you're describing. Since it does seem to be in python's setuptools script, you could try inserting pdb breakpoints in various places:

https://docs.python.org/2/library/pdb.html

I could also try this some time. Do you have a command line I can run to build a jessie-backports schroot, or whatever it is that you're doing?

X

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