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# Copyright 2012-2014 GRNET S.A. All rights reserved.
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#
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# Redistribution and use in source and binary forms, with or
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# without modification, are permitted provided that the following
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# conditions are met:
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#
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#   1. Redistributions of source code must retain the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer.
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#
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#   2. Redistributions in binary form must reproduce the above
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#      copyright notice, this list of conditions and the following
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#      disclaimer in the documentation and/or other materials
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#      provided with the distribution.
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#
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# THIS SOFTWARE IS PROVIDED BY GRNET S.A. ``AS IS'' AND ANY EXPRESS
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# OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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# WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GRNET S.A OR
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# CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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# USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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# The views and conclusions contained in the software and
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# documentation are those of the authors and should not be
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# interpreted as representing official policies, either expressed
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# or implied, of GRNET S.A.
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class QuotaholderError(Exception):
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    pass
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class NoCommissionError(QuotaholderError):
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    pass
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class CorruptedError(QuotaholderError):
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    pass
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class InvalidDataError(QuotaholderError):
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    pass
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class CommissionException(QuotaholderError):
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    data = {}
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    def add_data(self, kwargs, key):
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        value = kwargs.pop(key, None)
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        if value is not None:
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            self.data[key] = value
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    def __init__(self, *args, **kwargs):
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        self.data['name'] = self.__class__.__name__
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        self.add_data(kwargs, 'provision')
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        QuotaholderError.__init__(self, *args, **kwargs)
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class OverLimitError(CommissionException):
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    def __init__(self, *args, **kwargs):
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        self.add_data(kwargs, 'usage')
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        self.add_data(kwargs, 'limit')
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        CommissionException.__init__(self, *args, **kwargs)
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class NoCapacityError(OverLimitError):
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    pass
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class NoQuantityError(OverLimitError):
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    pass
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class NoHoldingError(CommissionException):
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    pass