#6422: [with patch, needs review] make
sage.symbolic.expression.Expression.__init__ usable
-----------------------+----------------------------------------------------
Reporter: burcin | Owner: burcin
Type: defect | Status: assigned
Priority: major | Milestone: sage-4.1.1
Component: symbolics | Keywords: expression init
Reviewer: | Author: Burcin Erocal
Merged: |
-----------------------+----------------------------------------------------
Changes (by AlexGhitza):
* keywords: => expression init
Old description:
> From sage-support:
>
> {{{
> On Fri, 26 Jun 2009 06:14:13 -0700 (PDT)
> Nicolas <[email protected]> wrote:
>
> >
> > I think there is definitely a bug in the __init__ method of the
> > Expression class.
> > Probably it has not been tracked down because this method is quasi
> > never used in the new version of symbolics. However, it raises
> > problems when one wants to derive a suclass from Expression.
> >
> > The bug is described in details here for the 4.0.1 version. It is
> > still present in the 4.0.2 :
> >
> > http://groups.google.com/group/sage-
> support/browse_thread/thread/d50dc3bc2bdbeab0/34798c0585fc034f?lnk=gst&q=nicolas#34798c0585fc034f
> >
> > Burcin provided a simple solution that works wonderfully, in the same
> > thread.
> >
> > Should we issue a ticket for this to be included in the future
> > versions ?
> }}}
>
> The patch mentioned above is attached.
New description:
From sage-support:
{{{
On Fri, 26 Jun 2009 06:14:13 -0700 (PDT)
Nicolas <[email protected]> wrote:
>
> I think there is definitely a bug in the __init__ method of the
> Expression class.
> Probably it has not been tracked down because this method is quasi
> never used in the new version of symbolics. However, it raises
> problems when one wants to derive a subclass from Expression.
>
> The bug is described in details here for the 4.0.1 version. It is
> still present in the 4.0.2 :
>
> http://groups.google.com/group/sage-
support/browse_thread/thread/d50dc3bc2bdbeab0/34798c0585fc034f?lnk=gst&q=nicolas#34798c0585fc034f
>
> Burcin provided a simple solution that works wonderfully, in the same
> thread.
>
> Should we issue a ticket for this to be included in the future
> versions ?
}}}
The patch mentioned above is attached.
--
--
Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/6422#comment:4>
Sage <http://sagemath.org/>
Sage: Creating a Viable Open Source Alternative to Magma, Maple, Mathematica,
and MATLAB
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