#7921: Categories for extension types via __getattr___
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Reporter: nthiery | Owner: nthiery
Type: enhancement | Status: new
Priority: major | Milestone:
Component: categories | Keywords:
Work_issues: | Author: Nicolas M. Thiéry
Upstream: N/A | Reviewer:
Merged: |
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Changes (by nthiery):
* cc: roe (removed)
* cc: roed (added)
Old description:
> With this patch, all parents and elements can inherit code from
> categories. This is implemented via __getattr__.
New description:
With this patch, all parents and elements can inherit code from
categories, even extension types. This includes in particular
generic tests (see TestSuite(...).run()):
{{{
sage: ZZ.category()
Category of commutative rings
sage: TestSuite(ZZ).run(verbose = True)
running ._test_additive_associativity() . . . pass
running ._test_an_element() . . . pass
running ._test_associativity() . . . pass
running ._test_element_pickling() . . . pass
running ._test_not_implemented_methods() . . . pass
running ._test_one() . . . pass
running ._test_pickling() . . . pass
running ._test_prod() . . . pass
running ._test_some_elements() . . . pass
running ._test_zero() . . . pass
}}}
It is to be expected that this will catch bugs in many places in the
library.
The implementation uses __getattr__ and has some limitations (e.g.
handling of lazy attributes), though.
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/7921#comment:1>
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