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Sagetex : hyphen in filename forbidden ?

asked 2015-01-28 07:43:55 -0500

laug gravatar image

updated 2015-03-05 16:07:20 -0500

tmonteil gravatar image

I want to cross-compile (pdflatex + sage + pdflatex) a TeX file : it's ok with the filename "a-b.tex", but not for a-n.tex, where i get the error message

CRITICAL:root:unknown notebook: None Error, notebook must be one of default, ipython, sagenb but got None

It seems that the problem is with the "-n" part of a-n.tex

it's a bug or a feature ? lg

macosX 10.10.1 + sage 6.4.1

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That is really interesting; -n is what launches the notebook. What are the names of the particular Sage files generated? That is what Sage runs on.

kcrisman gravatar imagekcrisman ( 2015-01-28 09:22:15 -0500 )edit

I confirm that: I copied sagetex's example file "example.tex" with the name "a-n.tex", ran "pdflatex a-n.tex", then "sage a-n.sagetex.sage" and Sage gives the same error message.

slelievre gravatar imageslelievre ( 2015-01-28 09:57:43 -0500 )edit

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answered 2015-01-28 10:04:29 -0500

tmonteil gravatar image

updated 2015-01-28 11:08:16 -0500

This is a bug, thanks for reporting. On the file src/bin/sage, there is a condition:

if [[ "$1" =~ "--notebook="* || "$1" =~ "-n="* || "$1" =~ "-notebook="* ]]; then
    sage-cleaner &>/dev/null &
    exec sage-notebook "$@"
fi

The problem is that it is accepted if -n is part of the variable $1, not only a prefix, as you can check with:

$ A='aze-naze'
$ if [[ "$A" =~ "-n="* ]] ; then echo hop ; fi
hop

A better solution would be to add a ^ to specify the beginning of the string and use .* instead of *:

$ A='aze-n=aze'
$ if [[ $A =~ ^-n=.* ]] ; then echo hop ; fi

$ A='-naze'
$ if [[ $A =~ ^-n=.* ]] ; then echo hop ; fi

$ A='-n=aze'
$ if [[ $A =~ ^-n=.* ]] ; then echo hop ; fi
hop

It is reported as trac ticket 17685.

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And the fix will be in Sage 6.5!

kcrisman gravatar imagekcrisman ( 2015-01-29 11:26:45 -0500 )edit

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Asked: 2015-01-28 07:43:55 -0500

Seen: 170 times

Last updated: Jan 28 '15