2b06d1d
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
class _OldClass: pass class _NewClass: pass _all_vars = set(dir(_OldClass) + dir(_NewClass)) def props(x): return { key: vars(x).get(key, getattr(x, key)) for key in dir(x) if key not in _all_vars }