from operator import attrgetter

from collections import namedtuple

name = namedtuple ('name', ['first', 'last'])
meet = namedtuple ('meet', ['name', 'date'])

b = meet (name ('Black', 'Knight'), '2017-01-01')

f = attrgetter ('name', 'date')

# prints attrgetter(name=name(first='Black', last='Knight'), date='2017-01-01')
print (f (b))

f = attrgetter ('name.first', 'name.last')

# prints attrgetter(_0='Black', _1='Knight')
print (f (b))