extend Python namedtuple with many @properties?

Question

How can namedtuples be extended or subclassed with many additional @properties ?
For a few, one can just write the text below; but there are many, so I\'m looking for a gene

Answer 1

The answer to your question

How can namedtuples be extended or subclassed with additional @properties ?

is: exactly the way you're doing it! What error are you getting? To see a simpler case,

>>> class x(collections.namedtuple('y', 'a b c')):
...   @property
...   def d(self): return 23
... 
>>> a=x(1, 2, 3)
>>> a.d
23
>>>