Synnefo

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class QuotaholderError(Exception):

    pass

class NoCommissionError(QuotaholderError):

    pass

class CorruptedError(QuotaholderError):

    pass

class InvalidDataError(QuotaholderError):

    pass

class CommissionException(QuotaholderError):

    data = {}

    def add_data(self, kwargs, key):

        value = kwargs.pop(key, None)

        if value is not None:

            self.data[key] = value

    def __init__(self, *args, **kwargs):

        self.data['name'] = self.__class__.__name__

        self.add_data(kwargs, 'provision')

        QuotaholderError.__init__(self, *args, **kwargs)

class OverLimitError(CommissionException):

    def __init__(self, *args, **kwargs):

        self.add_data(kwargs, 'usage')

        self.add_data(kwargs, 'limit')

        CommissionException.__init__(self, *args, **kwargs)

class NoCapacityError(OverLimitError):

    pass

class NoQuantityError(OverLimitError):

    pass

class NoHoldingError(CommissionException):

    pass

class DuplicateError(CommissionException):

    pass