py-flags - типобезопасные бинарные флаги binary

>>> from flags import Flags

>>> class TextStyle(Flags):
>>>     bold = 1            # value = 1 << 0
>>>     italic = 2          # value = 1 << 1
>>>     underline = 4       # value = 1 << 2

>>> result = TextStyle.bold | TextStyle.italic
>>>
>>> print(result)
TextStyle(bold|italic)
>>> print(repr(result))
<TextStyle(bold|italic) bits=0x0003>