On 10/7/2018 1:34 PM, Chris Barker via Python-Dev wrote:
On Fri, Oct 5, 2018 at 3:01 PM Brett Cannon <br...@python.org
<mailto:br...@python.org>> wrote:
I'm also fine with saying that keys in **kwargs that are not proper
identifiers is an implementation detail.
It's not just **kwargs -- you can also use arbitrary names with
setattr() / getattr() :
In [6]: setattr(foo, "4 not an identifier", "this works")
In [7]: getattr(foo, "4 not an identifier")
Out[7]: 'this works'
When this behavior of set/getattr was discussed a decade or so ago,
Guido said not to disable it, but I believe he said it should not be
considered a language feature. There are other situations where CPython
is 'looser' than the spec.
--
Terry Jan Reedy
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