When I try your example in IPython `bad` is not visible to tab-completion
for instances of `A` or instances of `B`. It is visible for `A` itself, but
methods are normally called on instances, not classes so that's fine. When
I try it with a regular Python prompt then it is as you said. So modifying
__dir__ is sufficient for the IPython interface, and I'm happy to sacrifice
alias handling for tab complete behaviour in a regular (not IPython)
terminal if it means much simpler code. I'm not sure how many people use
Sage in an interactive non-IPython terminal anyway.
That's interesting, so it possibly depends on the setup. Here is a session
on my computer:
sage: import IPython
sage: IPython.version_info
(8, 18, 1, '')
sage: ip = get_ipython()
sage: a = A()
sage: type(a)
<class '__main__.A'>
sage: ip.complete("a.b")
('a.b', ['a.bad'])
sage: b = B()
sage: type(b)
<class '__main__.B'>
sage: ip.complete("b.b")
('', [])
sage: b.bad()
42
(Ubuntu 24.04.3 LTS, SageMath 10.8.beta6, Python 3.12.3)
Martin
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