Invalidate cached_property

invalidate_cached_property.py

from functools import cached_property as functools_cached_property

try:
    from django.utils.functional import cached_property as django_cached_property
except ImportError:
    cached_property_classes = (
        functools_cached_property,
    )
else:
    cached_property_classes = (
        functools_cached_property,
        django_cached_property,
    )


def invalidate_cached_properties(obj):
    """
    Invalidate all cached_property of an object.
    Note: Does not work inside classes passing self as an argument
    """

    if obj and hasattr(obj, '__class__'):
        for key, value in obj.__class__.__dict__.items():
            if isinstance(value, cached_property_classes):
                value = obj.__dict__.pop(key, None)
                try:
                    if value:
                        del value
                except Exception:  # noqa
                    pass