Hi Nicolas, On Sat, 17 Apr 2010 16:27:36 +0200, "Nicolas M. Thiery" <nicolas.thi...@u-psud.fr> wrote: > Ok. So e is indeed not in Algebras.element_class. > > The thing is that this inheritance AlgebraElement -> > Algebras.element_class is not set up statically; instead, for P a > parent, > > P.element_class > > is built dynamically according to the categories of P, and the class > that is specified in P.Element. So probably all you have to do is > something along the following lines: > > class MyParent(Parent): > > ... > > Element = SiegelModularForm_class > > and then to make sure that elements are created using P.element_class > rather than SiegelModularForm_class.
Thanks a lot for this. I'll get it fixed. > Some refs: > > sage: Category? > sage: sage.structure.dynamic_class? > sage: S = Semigroups().example() > sage: S?? And thanks for these references. I was looking for information around these areas but not exactly at this. Best, Alex -- Alex Ghitza -- http://aghitza.org/ Lecturer in Mathematics -- The University of Melbourne -- Australia -- To post to this group, send an email to sage-devel@googlegroups.com To unsubscribe from this group, send an email to sage-devel+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/sage-devel URL: http://www.sagemath.org
