#18032: Broken copy, plot in sandpile
-------------------------------------+-------------------------------------
       Reporter:  vbraun             |        Owner:
           Type:  defect             |       Status:  needs_review
       Priority:  major              |    Milestone:  sage-6.6
      Component:  graph theory       |   Resolution:
       Keywords:  sd66               |    Merged in:
        Authors:  Peter Wicks        |    Reviewers:
  Stringfield, Volker Braun          |  Work issues:
Report Upstream:  N/A                |       Commit:
         Branch:                     |  c500bfa13492c6c51ea52a5b9c0b91fe7b47806a
  u/vbraun/ticket/18032              |     Stopgaps:
   Dependencies:                     |
-------------------------------------+-------------------------------------
Changes (by {'newvalue': u'Peter Wicks Stringfield, Volker Braun', 'oldvalue': 
''}):

 * status:  needs_work => needs_review
 * commit:  595a889044e8910542c992f1d6783cb03500fdac =>
     c500bfa13492c6c51ea52a5b9c0b91fe7b47806a
 * author:   => Peter Wicks Stringfield, Volker Braun


Comment:

 I added a override for copy.

 I don't like the `GenericGraph.__copy__` implementation, for starters its
 not making a copy. If you want to provide a way to change backends then
 call the ctor, or provide an appropriately-named method. A copy is not
 something with completely different innards that happens to compare equal.
 In any case, its best to not touch it from the Sandpile side.
 ----
 New commits:
 
||[http://git.sagemath.org/sage.git/commit/?id=c500bfa13492c6c51ea52a5b9c0b91fe7b47806a
 c500bfa]||{{{Make Sandpiles copyable}}}||

--
Ticket URL: <http://trac.sagemath.org/ticket/18032#comment:11>
Sage <http://www.sagemath.org>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica, 
and MATLAB

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