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# Copyright (c) 2018 SUSE Linux GmbH. All rights reserved.
#
# This file is part of kiwi.
#
# kiwi is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# kiwi is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with kiwi. If not, see <http://www.gnu.org/licenses/>
#
from abc import (
ABCMeta,
abstractmethod
)
from kiwi.oci_tools.base import OCIBase
# project
from kiwi.runtime_config import RuntimeConfig
from kiwi.exceptions import (
KiwiOCIArchiveToolError
)
class OCI(metaclass=ABCMeta):
"""
**OCI Factory**
"""
@abstractmethod
def __init__(self) -> None:
return None # pragma: no cover
@staticmethod
def new() -> OCIBase:
tool_name = RuntimeConfig().get_oci_archive_tool()
if tool_name == "umoci":
from kiwi.oci_tools.umoci import OCIUmoci
return OCIUmoci()
elif tool_name == "buildah":
from kiwi.oci_tools.buildah import OCIBuildah
return OCIBuildah()
else:
raise KiwiOCIArchiveToolError(
'No support for {0} tool available'.format(tool_name)
)
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