The patch below adds a VirtualDevice class. My goal is
to eventually have all device classes extend this, but
it is not a pressing need at the moment. This is added
in preparation for the VirtualDevice fixes coming next.
Thanks,
Cole
# HG changeset patch
# User "Cole Robinson <crobinso@xxxxxxxxxx>"
# Date 1217985724 14400
# Node ID c98567a840436ff1ef8e81de130510e09606c2a6
# Parent cb14cc14d8ebc7e80e592d61cae823a5ef8e4cc5
Add VirtualDevice class, eventually should be used as parent class for all domain device xml classes.
diff -r cb14cc14d8eb -r c98567a84043 virtinst/VirtualDevice.py
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/virtinst/VirtualDevice.py Tue Aug 05 21:22:04 2008 -0400
@@ -0,0 +1,78 @@
+#
+# Base class for all VM devices
+#
+# Copyright 2008 Red Hat, Inc.
+# Cole Robinson <crobinso@xxxxxxxxxx>
+#
+# 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.
+
+import libvirt
+import logging
+
+import CapabilitiesParser
+import util
+from virtinst import _virtinst as _
+
+class VirtualDevice(object):
+ """
+ Base class for all domain xml device objects.
+ """
+
+ def __init__(self, conn=None):
+ """
+ Initialize device state
+
+ @param conn: libvirt connection to validate device against
+ @type conn: virConnect
+ """
+
+ if conn:
+ if not isinstance(conn, libvirt.virConnect):
+ raise ValueError, _("'conn' must be a virConnectPtr instance")
+ self._conn = conn
+
+ self.__remote = None
+ if self.conn:
+ self.__remote = util.is_remote(self.conn.getURI())
+
+ self._caps = None
+ if self.conn:
+ self._caps = CapabilitiesParser.parse(self.conn.getCapabilities())
+
+ def get_conn(self):
+ return self._conn
+ conn = property(get_conn)
+
+ def _is_remote(self):
+ return self.__remote
+
+ def _check_bool(self, val, name):
+ if val not in [True, False]:
+ raise ValueError, _("'%s' must be True or False" % name)
+
+ def _check_str(self, val, name):
+ if type(val) is not str:
+ raise ValueError, _("'%s' must be a string, not '%s'." %
+ (name, type(val)))
+
+ def get_xml_config(self):
+ """
+ Construct and return device xml
+
+ @return: device xml representation as a string
+ @rtype: str
+ """
+ raise NotImplementedError()
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