libtmux._internal.query_list.keygetter

**With dictionaries**:

>>> keygetter({ "food": { "breakfast": "cereal" } }, "food") {'breakfast': 'cereal'}

>>> keygetter({ "food": { "breakfast": "cereal" } }, "food__breakfast") 'cereal'

**With objects**:

>>> from typing import List, Optional >>> from dataclasses import dataclass, field

>>> @dataclass() ... class Food: ... fruit: List[str] = field(default_factory=list) ... breakfast: Optional[str] = None

>>> @dataclass() ... class Restaurant: ... place: str ... city: str ... state: str ... food: Food = field(default_factory=Food)

>>> restaurant = Restaurant( ... place="Largo", ... city="Tampa", ... state="Florida", ... food=Food( ... fruit=["banana", "orange"], breakfast="cereal" ... ) ... )

>>> restaurant Restaurant(place='Largo', city='Tampa', state='Florida', food=Food(fruit=['banana', 'orange'], breakfast='cereal'))

>>> keygetter(restaurant, "food") Food(fruit=['banana', 'orange'], breakfast='cereal')

>>> keygetter(restaurant, "food__breakfast") 'cereal'