Method __getattr__

example_code/item_061.py:111–116

(self, name)

try:
    class MissingPropertyRecord:
        def __getattr__(self, name):
            if name == "bad_name":
                raise AttributeError(f"{name} is missing")
            value = f"Value for {name}"
            setattr(self, name, value)
            return value
    
    data = MissingPropertyRecord()
    assert data.foo == "Value for foo"  # Test this works