#8388: pickle the paths of Rauzy diagrams
-----------------------------------------+----------------------------------
Reporter: vdelecroix | Owner: vdelecroix
Type: defect | Status: needs_review
Priority: major | Milestone: sage-5.3
Component: combinatorics | Resolution:
Keywords: pickle, nested class | Work issues:
Report Upstream: N/A | Reviewers:
Authors: vdelecroix | Merged in:
Dependencies: #8386 | Stopgaps:
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Old description:
> There is a pickle error with the nested class RauzyDiagram.Path in
> sage.combinat.iet.template
>
> {{{
> sage: p = iet.Permutation('a b c','c b a')
> sage: r = p.rauzy_diagram()
> sage: g = r.path(p, 't', 'b')
> sage: dumps(g)
> PicklingError Traceback(most recent call last)
> ...
> PicklingError: Can't pickle <class 'sage.combinat.iet.labelled.Path'>:
> attribute lookup sage.combinat.iet.labelled.Path failed
> }}}
>
> A __metaclass__ must be defined for RauzyDiagram.
>
> The ticket depends on #8386 which moves the module for interval exchange
> transformations from sage.combinat.iet to
> sage.dynamics.interval_exchanges
New description:
There is a pickle error with the nested class RauzyDiagram.Path in
sage.combinat.iet.template
{{{
sage: p = iet.Permutation('a b c','c b a')
sage: r = p.rauzy_diagram()
sage: g = r.path(p, 't', 'b')
sage: dumps(g)
PicklingError Traceback(most recent call last)
...
PicklingError: Can't pickle <class 'sage.combinat.iet.labelled.Path'>:
attribute lookup sage.combinat.iet.labelled.Path failed
}}}
A __metaclass__ must be defined for RauzyDiagram.
The ticket depends on #8386 which moves the module for interval exchange
transformations from sage.combinat.iet to sage.dynamics.interval_exchanges
Apply [attachment:trac_8388_pickling_path.patch]
--
Comment (by chapoton):
apply trac_8388_pickling_path.patch
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/8388#comment:13>
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