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factory.py
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factory.py
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#
# Factory class to create payloads.
#
# Copyright (C) 2018 Red Hat, Inc.
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# the GNU General Public License v.2, or (at your option) any later version.
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY expressed or implied, including the implied warranties 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 this program; if not, write to the
# Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
# 02110-1301, USA. Any Red Hat trademarks that are incorporated in the
# source code or documentation are not subject to the GNU General Public
# License and may only be used or replicated with the express permission of
# Red Hat, Inc.
#
from pyanaconda.modules.payloads.constants import PayloadType
__all__ = ["PayloadFactory"]
class PayloadFactory(object):
"""Factory to create payloads."""
@staticmethod
def create_payload(payload_type: PayloadType):
"""Create a partitioning module.
:param payload_type: a payload type
:return: a payload module
"""
if payload_type == PayloadType.LIVE_IMAGE:
from pyanaconda.modules.payloads.payload.live_image.live_image import \
LiveImageModule
return LiveImageModule()
if payload_type == PayloadType.LIVE_OS:
from pyanaconda.modules.payloads.payload.live_os.live_os import LiveOSModule
return LiveOSModule()
if payload_type == PayloadType.DNF:
from pyanaconda.modules.payloads.payload.dnf.dnf import DNFModule
return DNFModule()
if payload_type == PayloadType.RPM_OSTREE:
from pyanaconda.modules.payloads.payload.rpm_ostree.rpm_ostree import RPMOSTreeModule
return RPMOSTreeModule()
raise ValueError("Unknown payload type: {}".format(payload_type))
@classmethod
def get_type_for_kickstart(cls, data):
"""Get a payload type for the given kickstart data.
:param data: a kickstart data
:return: a payload type
"""
if data.ostreesetup.seen:
return PayloadType.RPM_OSTREE
if data.liveimg.seen:
return PayloadType.LIVE_IMAGE
if data.cdrom.seen or \
data.harddrive.seen or \
data.hmc.seen or \
data.nfs.seen or \
data.url.seen or \
data.packages.seen:
return PayloadType.DNF
return None