Python dunder_get примеры использования

Пример #1

def test_dunder_get():
    a = SimpleNamespace()
    a.b = {'c': 1, 'd': {'e': 'f', 'g': [0, 1, {'h': 'i'}]}}
    assert dunder_get(a, 'b__c') == 1
    assert dunder_get(a, 'b__d__e') == 'f'
    assert dunder_get(a, 'b__d__g__0') == 0
    assert dunder_get(a, 'b__d__g__2__h') == 'i'

Пример #2

def test_dunder_get():
    a = SimpleNamespace()
    a.b = {'c': 1}
    assert dunder_get(a, 'b__c') == 1