#16215: Error raised when non-multi(di)graph receive multiple edges as input
-------------------------------------+-------------------------------------
       Reporter:  ncohen             |        Owner:
           Type:  enhancement        |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.2
      Component:  graph theory       |   Resolution:
       Keywords:  graph, digraph,    |    Merged in:
  multiedges, error                  |    Reviewers:
        Authors:  Vincent Delecroix  |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  f6102dd6b2fdb2f47c08e093db135a85243a156b
  u/vdelecroix/16215                 |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by {'newvalue': u'Vincent Delecroix', 'oldvalue': u'Nathann Cohen'}):

 * status:  needs_work => needs_review
 * author:  Nathann Cohen => Vincent Delecroix
 * branch:  u/ncohen/16215 => u/vdelecroix/16215
 * reviewer:  Vincent Delecroix =>
 * keywords:   => graph, digraph, multiedges, error
 * commit:  7f50072dc0ab7cd38e5a2af14534b4ce012fa9f2 =>
     f6102dd6b2fdb2f47c08e093db135a85243a156b


Comment:

 We now have
 {{{
 sage: Graph([(0,1),(0,1)], multiedges=False)
 Traceback (most recent call last):
 ...
 ValueError: Non-multigraph got several edges (0,1)
 sage: DiGraph([(0,1),(0,1)], multiedges=False)
 Traceback (most recent call last):
 ...
 ValueError: Non-multidigraph got several edges (0,1)
 }}}

 Needs review.
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=f6102dd6b2fdb2f47c08e093db135a85243a156b
 f6102dd]||{{{Error when multiple edges are sent to a Non-
 multi(di)graph}}}||

--
Ticket URL: <http://trac.sagemath.org/ticket/16215#comment:7>
Sage <http://www.sagemath.org>
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