#pylint: disable=too-few-public-methods
#pylint: disable=missing-class-docstring
#pylint: disable=missing-module-docstring

import enum
import weakref


class TestEnum(enum.Enum):
    VAL1 = 'val1'
    VAL2 = 'val2'


class Class1:
    def __init__(self):
        # Gracefully handle an exception of our own making
        try:
            raise ValueError()
        except ValueError:
            pass


class Class2:
    def __init__(self):
        # Gracefully handle an exception of Enum's making
        try:
            TestEnum('invalid_value')
        except ValueError:
            pass


# No strong refs here so these are free to die.
class_1_ref = weakref.ref(Class1())
class_2_ref = weakref.ref(Class2())

# The exception raised by Enum creates a reference loop and thus
# Class2 instances will stick around until the next gargage collection
# cycle, unlike Class1.
print(f'{class_1_ref=}\n{class_2_ref=}')