1a5257a0e8
For details on the motivation of this change please visit: https://wiki.python.org/moin/FutureProofPython
65 lines
1.7 KiB
Python
65 lines
1.7 KiB
Python
# Copyright (c) 2015 SUSE Linux GmbH. All rights reserved.
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#
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# This file is part of kiwi.
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#
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# kiwi is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# kiwi is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with kiwi. If not, see <http://www.gnu.org/licenses/>
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#
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import os
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# project
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from kiwi.storage.device_provider import DeviceProvider
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from kiwi.exceptions import (
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KiwiMappedDeviceError
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)
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class MappedDevice(DeviceProvider):
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"""
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Hold a reference on a single device
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Attributes
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* :attr:`device_provider`
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Instance of class based on DeviceProvider
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* :attr:`device`
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Device node name
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"""
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def __init__(self, device, device_provider):
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if not os.path.exists(device):
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raise KiwiMappedDeviceError(
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'Device %s does not exist' % device
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)
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self.device_provider = device_provider
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self.device = device
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def get_device(self):
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"""
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Mapped device node name
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:return: device node name
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:rtype: string
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"""
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return self.device
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def is_loop(self):
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"""
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Check if storage provider is loop based
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Return loop status from base storage provider
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:rtype: bool
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"""
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return self.device_provider.is_loop()
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