# Copyright 2014 Cloudbase Solutions Srl
#
#    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 ctypes


class CloudbaseInitException(Exception):
    pass


class WindowsCloudbaseInitException(CloudbaseInitException):

    def __init__(self, msg="%r", error_code=None):
        if error_code is None:
            error_code = ctypes.GetLastError()
        description = ctypes.FormatError(error_code)
        try:
            formatted_msg = msg % description
        except TypeError:
            formatted_msg = msg
        super(WindowsCloudbaseInitException, self).__init__(formatted_msg)
