bazarr/libs/bidict/_exc.py

35 lines
1 KiB
Python

# -*- coding: utf-8 -*-
# Copyright 2009-2019 Joshua Bronson. All Rights Reserved.
#
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
"""Provides all bidict exceptions."""
class BidictException(Exception):
"""Base class for bidict exceptions."""
class DuplicationError(BidictException):
"""Base class for exceptions raised when uniqueness is violated
as per the RAISE duplication policy.
"""
class KeyDuplicationError(DuplicationError):
"""Raised when a given key is not unique."""
class ValueDuplicationError(DuplicationError):
"""Raised when a given value is not unique."""
class KeyAndValueDuplicationError(KeyDuplicationError, ValueDuplicationError):
"""Raised when a given item's key and value are not unique.
That is, its key duplicates that of another item,
and its value duplicates that of a different other item.
"""