#7897: Macaulay2 interface update/improvement for version 1.3.1
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Reporter: novoselt | Owner: was
Type: defect | Status: needs_review
Priority: major | Milestone:
Component: interfaces | Keywords: Macaulay2, interface
Work_issues: | Author: Andrey Novoseltsev
Upstream: N/A | Reviewer:
Merged: |
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Old description:
> These patches change the prompt detection/stripping and update doctests
> to cause no errors with Macaulay2 1.3.1.
>
> Improvements/fixes achieved:
> - examples in Macaulay2 documentation (which include input prompts) do
> not break the interaction with Sage;
> - empty/whitespace/comment lines can be executed;
> - multiline commands can be executed;
> - stripping output prompts will not cut error messages if they occur
> (e.g. the first call "help Thing" currently shows some errors in
> Macaulay2).
>
> This is done by:
> - changing input and input continuation prompts;
> - starting with a big line number to make all output labels of the same
> width;
> - making sure that only output labels and spaces are stripped from the
> output.
>
> Side effects / Remaining issues:
> - "restart" command of Macaulay2 is handled separately when it is called
> like "macaulay2.restart()" since we need to repeat prompt adjustments;
> - this command cannot be used in the string code passed to Macaulay2,
> since it will cause a lock. Since this should not cause loss of data (if
> the user intentionally tried to restart Macaulay2), I think this is OK.
> Correct checking of all the code for "restart" in it would involve also
> checking if it is inside string constants.
>
> These patches make tickets #7882 and #7888 unnecessary.
New description:
These patches change the prompt detection/stripping and update doctests to
cause no errors with Macaulay2 1.3.1.
Improvements/fixes achieved:
- examples in Macaulay2 documentation (which include input prompts) do
not break the interaction with Sage;
- empty/whitespace/comment lines can be executed;
- multiline commands can be executed;
- stripping output prompts will not cut error messages if they occur
(e.g. the first call "help Thing" currently shows some errors in
Macaulay2);
- "macaulay2.restart()" does not print a useless variable name.
This is done by:
- changing input and input continuation prompts;
- starting with a big line number to make all output labels of the same
width;
- making sure that only output labels and spaces are stripped from the
output.
These patches make tickets #7882 and #7888 unnecessary.
--
Comment(by novoselt):
I changed my mind about importance of "restart" command in the middle of
the code after seeing a talk today. So the patch is rewritten to allow it
everywhere. All doctests still pass with both patches applied.
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7897#comment:2>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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