#17840: Factorization of multivariate polynomials over the integers
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       Reporter:  bruno              |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.6
      Component:  factorization      |   Resolution:
       Keywords:  multivariate       |    Merged in:
  integer polynomial                 |    Reviewers:
        Authors:  Bruno Grenet       |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  28f89b6a73649d8c93c4ab0a5bb92f43b6ac785d
  u/bruno/factorization_of_multivariate_polynomials_over_the_integers|     
Stopgaps:
   Dependencies:                     |
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Comment (by bruno):

 I have a question: Since the computation for non-fields is enclosed inside
 a `try`/`except` construction, if a computation is long and interrupted
 with `Ctrl+c`, a `KeyboardInterrupt` exception is raised and caught by the
 `except` to raise a `NotImplementedError` exception.

 What is a correct solution so that it does not return
 `NotImplementedError`?

 * Should the `KeyboardInterrupt` exception be filtered?
 * Should the `try`/`except` be enclosed in `sig_on()`/`sig_off()`?
 * Something else?

--
Ticket URL: <http://trac.sagemath.org/ticket/17840#comment:6>
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