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# (C) Copyright 2005-2025 Enthought, Inc., Austin, TX
# All rights reserved.
#
# This software is provided without warranty under the terms of the BSD
# license included in LICENSE.txt and may be redistributed only under
# the conditions described in the aforementioned license. The license
# is also available online at http://www.enthought.com/licenses/BSD.txt
#
# Thanks for using Enthought open source!
class ProviderNotRegisteredError(Exception):
""" Raised when a provider is requested by ID and not found. """
def __init__(self, provider_id):
self.provider_id = provider_id
def __str__(self):
msg = "Selection provider with ID '{id}' not found."
return msg.format(id=self.provider_id)
class IDConflictError(Exception):
""" Raised when a provider is added and its ID is already registered. """
def __init__(self, provider_id):
self.provider_id = provider_id
def __str__(self):
msg = "A selection provider with ID '{id}' is already registered."
return msg.format(id=self.provider_id)
class ListenerNotConnectedError(Exception):
""" Raised when a listener that was never connected is disconnected. """
def __init__(self, provider_id, listener):
self.provider_id = provider_id
self.listener = listener
def __str__(self):
msg = "Selection listener {lr} is not connected to provider '{id}'."
return msg.format(lr=self.listener, id=self.provider_id)
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