File: exception.py

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python-oslo.limit 2.10.0-2
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# 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.

from oslo_limit._i18n import _


class ProjectOverLimit(Exception):
    def __init__(
        self,
        project_id: str | None,
        over_limit_info_list: list['OverLimitInfo'],
    ) -> None:
        """Exception raised when a project goes over one or more limits

        :param project_id: the project id
        :param over_limit_info_list: list of OverLimitInfo objects
        """
        if not isinstance(over_limit_info_list, list):
            raise ValueError(over_limit_info_list)

        if len(over_limit_info_list) == 0:
            raise ValueError(over_limit_info_list)

        for info in over_limit_info_list:
            if not isinstance(info, OverLimitInfo):
                raise ValueError(over_limit_info_list)

        self.project_id = project_id
        self.over_limit_info_list = over_limit_info_list
        msg = _("Project %(project_id)s is over a limit for %(limits)s") % {
            'project_id': project_id,
            'limits': over_limit_info_list,
        }
        super().__init__(msg)


class OverLimitInfo:
    def __init__(
        self,
        resource_name: str,
        limit: int,
        current_usage: int,
        delta: int,
    ):
        self.resource_name = resource_name
        self.limit = int(limit)
        self.current_usage = int(current_usage)
        self.delta = int(delta)

    def __str__(self) -> str:
        template = (
            "Resource %s is over limit of %s due to "
            "current usage %s and delta %s"
        )
        return template % (
            self.resource_name,
            self.limit,
            self.current_usage,
            self.delta,
        )

    def __repr__(self) -> str:
        return self.__str__()


class SessionInitError(Exception):
    def __init__(self, reason: object) -> None:
        msg = _("Can't initialise OpenStackSDK session: %(reason)s.") % {
            'reason': reason
        }
        super().__init__(msg)