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# Copyright 2017 Red Hat, Inc
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
# implied.
# See the License for the specific language governing permissions and
# limitations under the License.
import textwrap
import warnings
__all__ = ['warn', 'AliasUsageWarning']
class _BaseWarning(Warning):
details: str
class AliasUsageWarning(_BaseWarning):
"""Use of historical service-type aliases is discouraged."""
details = """
Requested service_type {given} is an old alias. Please update your
code to reference the official service_type {official}.
"""
class UnofficialUsageWarning(_BaseWarning):
"""Use of unofficial service-types is discouraged."""
details = """
Requested service_type {given} is not a known official OpenStack project.
"""
def warn(warning: type[_BaseWarning], **kwargs: str | None) -> None:
"""Emit a warning that has builtin message text."""
message = textwrap.fill(textwrap.dedent(warning.details.format(**kwargs)))
warnings.warn(message, category=warning)
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