New submission from Serhiy Storchaka <storchaka+cpyt...@gmail.com>:
>>> from collections import OrderedDict >>> od = OrderedDict([('a', 1), ('b', 2)]) >>> od.move_to_end('a') >>> od OrderedDict([('b', 2), ('a', 1)]) >>> dict(od) {'a': 1, 'b': 2} This affects also PEP 468. >>> def f(**kwargs): return kwargs ... >>> f(**od) {'a': 1, 'b': 2} And PEP 520. >>> type('A', (), od).__dict__ mappingproxy({'a': 1, 'b': 2, '__module__': '__main__', '__dict__': <attribute '__dict__' of 'A' objects>, '__weakref__': <attribute '__weakref__' of 'A' objects>, '__doc__': None}) ---------- components: Interpreter Core messages: 322951 nosy: Rosuav, eric.snow, inada.naoki, rhettinger, serhiy.storchaka, steve.dower priority: normal severity: normal status: open title: Creating dict from OrderedDict doesn't preserve order type: behavior versions: Python 3.6, Python 3.7, Python 3.8 _______________________________________ Python tracker <rep...@bugs.python.org> <https://bugs.python.org/issue34320> _______________________________________ _______________________________________________ Python-bugs-list mailing list Unsubscribe: https://mail.python.org/mailman/options/python-bugs-list/archive%40mail-archive.com