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Subject: =?utf-8?q?=5BPython-de=5D_dataclass=3A_Unterschied_zu_automatischer_Generierung_aus_dict?=
Date: Fri, 13 May 2022 08:06:06 +0000
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Xref: csiph.com de.comp.lang.python:5818

Hallo,

meine Frage bezieht sich auf dieses StackOverflow-Posting:
https://stackoverflow.com/q/72217470/4865723

Dort geht es darum, wie man aus den Keys eines dict automatisch eine=20
dataclass erzeugen k=C3=B6nnte. Erst einmal erscheint es einfach:
>>> import dataclasses
>>> d =3D {'a': 3, 'b': 7}
>>> X =3D dataclasses.make_dataclass('X', d)

Aber es gibt hier im Ergebnis einen Unterschied zu einer regul=C3=A4r=20
erzeugten dataclass.
>>> X
<class 'types.X'>

Regul=C3=A4r erzeugt
>>> @dataclasses.dataclass
=2E.. class X:
=2E..     a: int
=2E..     b: int
=2E..
>>> X
<class '__main__.X'>

In einem Fall "types.X" und im anderen "__main__.X". Warum ist das so=20
und ist dieser Unterschied von Relevanz?

SG
Christian