#11342: Make getattr faster on parents and elements
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Reporter: SimonKing | Owner: tbd
Type: enhancement | Status: new
Priority: major | Milestone: sage-4.7.1
Component: performance | Keywords: getattr parent element
Work_issues: | Upstream: N/A
Reviewer: | Author:
Merged: | Dependencies:
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If an attribute of a parent or element can not be found by inspecting the
method resolution order, `__getattr__` is invoked. It tries to obtain the
attribute from the parent class or the element class of the category of
the parent. If it can not be found, the attribute error is raised using a
Cython function `sage.structure.parent.raise_attribute_error`.
I see several ways to make both `__getattr__` and
`sage.structure.parent.raise_attribute_error` a lot faster. Details will
be given in the comments.
Because of one doctest in `sage.categories.primer`, it is needed that the
category of polynomial rings is properly initialised. Therefore:
Depends on #9944
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Ticket URL: <http://trac.sagemath.org/sage_trac/ticket/11342>
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