Python class decorator for accessing lowerCamelCase attributes using snake_case.

snake_case.py

from typing import Any


def snake_to_camel(name):
    components = name.split('_')
    return components[0] + ''.join(x.title() for x in components[1:])


def snake_case_attrs(klass):
    """A class decorator that enables getting and setting of attributes with lowerCamelCase names using snake_case."""

    def __getattribute__(self, name: str) -> Any:
        try:
            return super(klass, self).__getattribute__(name)
        except AttributeError:
            return super(klass, self).__getattribute__(snake_to_camel(name))

    def __getattr__(self, name: str) -> Any:
        return super(klass, self).__getattribute__(name)

    def __setattr__(self, name: str, value: Any) -> None:
        camel_name = snake_to_camel(name)
        try:
            getattr(self, camel_name)
            super(klass, self).__setattr__(camel_name, value)
        except AttributeError:
            super(klass, self).__setattr__(name, value)

    klass.__getattribute__ = __getattribute__
    klass.__getattr__ = __getattr__
    klass.__setattr__ = __setattr__

    return klass