четверг, 1 апреля 2021 г. в 17:21:59 UTC+3, Mats Wichmann:
> On 4/1/21 5:50 AM, Alexey wrote:
> > Found it. As I said before the problem was lurking in the cache.
> > Few days ago I read about circular references and things like that and
> > I thought to myself that it might be the case. To build the cache I was
> > using lots of 'setdefault' methods chained together
> >
> > self.__cache.setdefault(cluster_name, {}).setdefault(database_name, {})...
> >
> > and instead of wring a long lines I decided to divide it to increase
> > readability
> >
> > cluster = self.__cache.setdefault(cluster_name, {})
> > database = database.setdefault(database_name, {})
> > ...
> > and I guess that was the problem.
> I guess it is worth mentioning here that there are people who feel you
> shouldn't use setdefault() this way. setdefault is primarily a "getter",
> which has the side effect of filling in dict entry if one did not exist
> before returning it, and there some folks feel that using it primarily
> as a "setter" is abusing the interface...
>
> Do with that what you will :)
Ok )
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