~didrocks/unity/altf10

44 by Curtis Hovey
Move errors to their own module.
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__all__ = [
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    'MessageIdNotFound',
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    'UnparsableDateRange',
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    'UnsupportedDisplayType',
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    'UnsupportedOrder',
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    ]
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class MessageIdNotFound(Exception):
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    """No message matching the message_id was found in the archive."""
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class UnparsableDateRange(Exception):
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    """The date_range was not in the format of 2012-01-01..2012-01-31."""
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class UnsupportedDisplayType(Exception):
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    """Raised when an Unsupported display_type is requested."""
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class UnsupportedOrder(Exception):
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    """Raised when an Unsupported order is requested."""