37 lines
1 KiB
Python
37 lines
1 KiB
Python
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# Copyright 2009-2022 Joshua Bronson. All rights reserved.
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#
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# This Source Code Form is subject to the terms of the Mozilla Public
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# License, v. 2.0. If a copy of the MPL was not distributed with this
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# file, You can obtain one at http://mozilla.org/MPL/2.0/.
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"""Provide all bidict exceptions."""
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from __future__ import annotations
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class BidictException(Exception):
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"""Base class for bidict exceptions."""
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class DuplicationError(BidictException):
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"""Base class for exceptions raised when uniqueness is violated
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as per the :attr:~bidict.RAISE` :class:`~bidict.OnDupAction`.
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"""
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class KeyDuplicationError(DuplicationError):
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"""Raised when a given key is not unique."""
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class ValueDuplicationError(DuplicationError):
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"""Raised when a given value is not unique."""
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class KeyAndValueDuplicationError(KeyDuplicationError, ValueDuplicationError):
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"""Raised when a given item's key and value are not unique.
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That is, its key duplicates that of another item,
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and its value duplicates that of a different other item.
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"""
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