#71: Secret translation of .sage to .py causes confusion
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Reporter: Justin Walker (justin@… | Owner: cwitty
Type: enhancement | Status: new
Priority: minor | Milestone: sage-feature
Component: misc | Resolution:
Keywords: | Merged in:
Authors: | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
Dependencies: | Stopgaps:
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Description changed by jdemeyer:
Old description:
> When a .sage file is "load"ed or "attach"ed, it gets translated to a .py
> file before being processed; the result is a file with different
> structure than the original. Any errors are described in terms of the
> .py file, not the .sage file. I realize this is a kind of Catch-22, but
> is there a way to (as the C preprocessor does) keep the .sage line
> numbers?
>
> Of course this requires that Python have that ability, because it reports
> the errors.
>
> I suppose the proper solution, given this, is to document the issue.
>
> I think this points up an aspect of a fundamental issue: SAGE is a
> programming language/system; SAGE is a computer system for mathematicians
> to use. I'm not sure how good it can be at both.
New description:
When a .sage file is "load"ed or "attach"ed, it gets translated to a .py
file before being processed; the result is a file with different structure
than the original. Any errors are described in terms of the .py file, not
the .sage file.
One possible solution would be to add a custom `excepthook` which
translates the exception traceback from to `.py` file to the `.sage` file.
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Ticket URL: <http://trac.sagemath.org/ticket/71#comment:7>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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