Ordered String Enum. The comparison has been overloaded with .index_value instead of existing .value

ordered_str_enum.py

from enum import Enum


#Inspired by: https://bobbyhadz.com/blog/python-compare-string-with-enum
# and https://stackoverflow.com/questions/76236985/how-to-compare-string-enums-in-python

class OrderedStrEnum(str, Enum):
    def __ge__(self, other):
        if self.__class__ is other.__class__:
            return self._index() >= other._index()
        return NotImplemented

    def __gt__(self, other):
        if self.__class__ is other.__class__:
            return self._index() > other._index()
        return NotImplemented

    def __le__(self, other):
        if self.__class__ is other.__class__:
            return self._index() <= other._index()
        return NotImplemented

    def __lt__(self, other):
        if self.__class__ is other.__class__:
            return self._index() < other._index()
        return NotImplemented

    def _index(self):
        return list(self.__class__).index(self)


class OrderState(OrderedStrEnum):
    CREATED = 'CREATED'
    SUBMITTED = 'SUBMITTED'
    PUT_ORDER_REQ_RECEIVED = 'PUT ORDER REQ RECEIVED'
    VALIDATION_PENDING = 'VALIDATION PENDING'
    OPEN_PENDING = 'OPEN PENDING'
    REJECTED = 'REJECTED'
    TRIGGER_PENDING = 'TRIGGER PENDING'
    OPEN = 'OPEN'
    

# In [4]: OrderState.OPEN.value == 'OPEN'
# Out[4]: True

# In [5]: OrderState.OPEN_PENDING < OrderState.VALIDATION_PENDING
# Out[5]: False

# In [7]: OrderState.OPEN_PENDING.value < OrderState.VALIDATION_PENDING.value
# Out[7]: True