[issue31816] Unexpected behaviour of `dir()` after implementation of __dir__

Christian Heimes added the comment: https://docs.python.org/3/library/functions.html#dir also states that "The resulting list is sorted alphabetically." The section has an example where __dir__ returns an unsorted list but dir() returns a sorted list: >>> class Shape: ...

[issue31816] Unexpected behaviour of `dir()` after implementation of __dir__

Nils Diefenbach <23okrs20+pyt...@mykolab.com> added the comment: Alright. Are there any other magic methods that do some post-processing on a custom implementation of them ? I couldn't think of one, which is why this behaviour appeared odd to me. -- status: pending -> open

[issue31816] Unexpected behaviour of `dir()` after implementation of __dir__

Christian Heimes added the comment: dir() and __dir__ work as designed and documented: https://docs.python.org/3/reference/datamodel.html?highlight=__dir__#object.__dir__ Called when dir() is called on the object. A sequence must be returned. dir() converts the returned

[issue31816] Unexpected behaviour of `dir()` after implementation of __dir__

New submission from Nils Diefenbach <23okrs20+pyt...@mykolab.com>: When defining a custom __dir__ method in a class, calling dir() on said class still sorts the output. This is, imo, unexpected behaviour, especially if the order of output was specified in __dir__ and is somehow relevant.