enum

enum.py

class States(Enum):
    # each Value have priority. Need when getting random event we know its more priority then last or not.
    # y = YealinkStates.ANSWER_IN_CALL
    # y = YealinkStates('ANSWER_NEW_IN_CALL')
    # y.name      ->  'ANSWER_IN_CALL'
    # str(y)      ->  'ANSWER_NEW_IN_CALL'
    # y.priority  ->  3
    # y.title     ->  'ANSWER_NEW_IN_CALL'

    INCOMING_CALL = (1, 'INCOMING_CALL')
    OUTGOING_CALL = (2, 'OUTGOING_CALL')
    ANSWER_IN_CALL = (3, 'ANSWER_NEW_IN_CALL')
    ESTABLISHED = (4, 'ESTABLISHED')

    HOLD = (5, 'HOLD')
    UNHOLD = (6, 'UNHOLD')
    HELD = (7, 'HELD')
    UNHELD = (8, 'UNHELD')
    MUTE = (9, 'MUTE')
    UNMUTE = (10, 'UNMUTE')

    TERMINATED = (11, 'NORMAL_CLEARING')

    REJECT_INCOMING = (12, 'REJECT_INCOMING_CALL')
    CANCEL_OUTGOING = (13, 'CANCEL_CALL_OUT')
    REMOTE_BUSY = (14, 'REMOTE_BUSY')
    REMOTE_CANCELED = (15, 'CALL_REMOTE_CANCELED')
    MISSED_CALL = (16, 'MISSED_CALL')

    def __init__(self, priority, title):
        self.priority = priority
        self.title = title

    def __str__(self):
        return self.title

    def __repr__(self):
        return '<%s.%s>' % (self.__class__.__name__, self.title)

    def __new__(cls, int_value, *value_aliases):
        obj = object.__new__(cls)
        obj._value_ = int_value
        for alias in value_aliases:
            cls._value2member_map_[alias] = obj
        return obj