On Sunday, September 26, 2021 at 10:44:14 AM UTC-7 Matthias Koeppe wrote: > > *2. Do not import CLASS just to run an isinstance(..., CLASS); likewise, > remove uses of is_CLASS functions* > > Instead, create abstract base classes that can be imported without pulling > in the actual implementation classes ( > https://trac.sagemath.org/ticket/32414). I have done this in > https://trac.sagemath.org/ticket/32566 for real/complex floating point > fields. >
Help is welcome in particular in the following tickets in this direction: - https://trac.sagemath.org/ticket/32660 -- Add sage.rings.abc.AlgebraicField etc., deprecate is_AlgebraicField - https://trac.sagemath.org/ticket/32641 -- Decentralize sage.rings.numbers_abc - https://trac.sagemath.org/ticket/32664 -- Add sage.rings.abc.FiniteField, deprecate is_FiniteField - https://trac.sagemath.org/ticket/32635 -- sage.matrix.matrix_space: Import element classes on demand, fall back to generic on ImportError (needs review) -- You received this message because you are subscribed to the Google Groups "sage-devel" group. To unsubscribe from this group and stop receiving emails from it, send an email to sage-devel+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/sage-devel/36a5b516-55bf-4cd1-bfa0-c5bcf0fd264cn%40googlegroups.com.
