#20859: Simplify the logic handling the EvaluationMethods mixin class for
Expression
-------------------------------------+-------------------------------------
Reporter: jdemeyer | Owner:
Type: enhancement | Status: new
Priority: major | Milestone: sage-7.3
Component: symbolics | Resolution:
Keywords: | Merged in:
Authors: Nicolas M. Thiéry | Reviewers:
Report Upstream: N/A | Work issues:
Branch: | Commit:
u/nthiery/optimize_method_lookup_from_the_categories_for_instances_of_cython_classes|
5619a7d0f032f4273069166e6babf938b8c3f40a
Dependencies: #20825, #20686 | Stopgaps:
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Comment (by nthiery):
Replying to [comment:3 jdemeyer]:
> You really should use new-style classes. Old-style classes exist only
for backwards compatibility and will be gone in Python 3.
Fun: from the same premises, we arrive at opposite conclusions :-)
Here is my logical chain:
In Python 3 we won't make the inheritance from object explicit: it would
be
redundant to write:
{{{
class XXXMethods(object):
}}}
Furthermore, for our XXXMethods classes, it does not matter whether
they are old style or new style classes (they just are bags of
methods). Thus it feels natural to use right away the Python 3
idiom. That's what we have been doing in all the categories.
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