[rsf-devel] Issue with rendering pdfs using madagascar

[Luke Decker]

Antananarivoians,

Let me join Julien in identifying a peculiar emergent issue in Madagascar!  

Attempting to render pdfs using SConstruct (even $RSFSRC/book/geo384h/hw1 , which I used to make sure it wasn’t just my manuscript) produces the following error on my Linux workstation:

[luke@osiris hw1]$ scons pdf

scons: Reading SConscript files ...

SyntaxError: unqualified exec is not allowed in function 'colorize' it contains a nested function with free variables (tex.py, line 636)

I identified a workaround for those needing to generate manuscripts ASAP: switching to the dtw branch I created a couple months ago and reinstalling Madagascar mitigates this error.

This makes me think the error was sourced by some modifications made between then and now.

FYI here is a relevant error that gets thrown during installation of the main branch most current version of Madagascar:

__pycompile(["build/framework/rsf/tex.pyc"], ["build/framework/rsf/tex.py"])

SyntaxError: unqualified exec is not allowed in function 'colorize' it contains a nested function with free variables (tex.py, line 636)

Install file: "build/framework/rsf/tex.pyc" as "/workspace/luke/madagascar/lib/python2.7/site-packages/rsf/tex.pyc"

scons: *** [/workspace/luke/madagascar/lib/python2.7/site-packages/rsf/tex.pyc] build/framework/rsf/tex.pyc: No such file or directory

Install file: "config.py" as "/workspace/luke/madagascar/share/madagascar/etc/config.py"

scons: done building targets (errors occurred during build).

Thanks,

Luke

[Zhicheng Geng]

The problem is caused by this line in tex.py:

exec(progs, locals())

And it used to be

exec progs in locals()

This actually is a bug from python. Check the following link.

https://bugs.python.org/issue21591

And this problem is fixed in Python 2.7.9.

Maybe you can upgrade your python or if it’s difficult to do that I can help you fix it in Madagascar’s source code.

Zhicheng

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