On Fri, 6 Jul 2018 at 09:24 Eric V. Smith <[email protected]> wrote:
> On 7/6/2018 11:20 AM, Flavio Curella wrote: > > I think this thread can be resolved as 'used unittest.mock.sentinel'. It > > doesn't have 'global sentinels', but I'm not convinced they are actually > > necessary, since `mock.sentinel` objects with the same name compare as > > equal. Thanks to Nathaniel, I now understand that JS has global symbols > > for historical reasons that we don't have, and I'm not convinced of > > their usefulness. > > Do all Python distributions ship with unittest.mock? I see to recall > that Debian and/or Ubuntu strips out part of the normal distribution. > It's usually tkinter and such, not unittest stuff from my understanding. > > For example, dataclasses.py has a sentinel, and it includes some code to > get a more helpful repr. It would make sense to re-use the > unittest.mock.sentinel code, but not if that code isn't always > guaranteed to be present. > Would it make sense to abstract this out to the 'types' to have a single 'types.sentinel' object for those rare cases that Guido pointed out?
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