virt-manager/virtinst/domcapabilities.py

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#
# Support for parsing libvirt's domcapabilities XML
#
# Copyright 2014 Red Hat, Inc.
#
# This program 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 2 of the License, or
# (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
# MA 02110-1301 USA.
from .xmlbuilder import XMLBuilder, XMLChildProperty
from .xmlbuilder import XMLProperty as _XMLProperty
class XMLProperty(_XMLProperty):
# We don't care about full parsing coverage, so tell the test suite
# not to warn
_track = False
class _Value(XMLBuilder):
_XML_ROOT_NAME = "value"
value = XMLProperty(".")
class _HasValues(XMLBuilder):
values = XMLChildProperty(_Value)
def get_values(self):
return [v.value for v in self.values]
class _Enum(_HasValues):
_XML_ROOT_NAME = "enum"
name = XMLProperty("./@name")
class _CapsBlock(_HasValues):
supported = XMLProperty("./@supported", is_yesno=True)
enums = XMLChildProperty(_Enum)
def enum_names(self):
return [e.name for e in self.enums]
def get_enum(self, name):
d = dict((e.name, e) for e in self.enums)
return d[name]
def _make_capsblock(xml_root_name):
class TmpClass(_CapsBlock):
pass
setattr(TmpClass, "_XML_ROOT_NAME", xml_root_name)
return TmpClass
class _OS(_CapsBlock):
_XML_ROOT_NAME = "os"
loader = XMLChildProperty(_make_capsblock("loader"), is_single=True)
class _Devices(_CapsBlock):
_XML_ROOT_NAME = "devices"
hostdev = XMLChildProperty(_make_capsblock("hostdev"), is_single=True)
disk = XMLChildProperty(_make_capsblock("disk"), is_single=True)
class DomainCapabilities(XMLBuilder):
_XML_ROOT_NAME = "domainCapabilities"
os = XMLChildProperty(_OS, is_single=True)
devices = XMLChildProperty(_Devices, is_single=True)