Some clarification, because I forgot to put this in libvirt_xml
docstring :( My hope for libvirt_xml module is it should be an
interface between tests and virsh_*() functions. i.e. it should make
writing tests that deal with xml stuff and libvirt, easy to write.
You're exactly right and working along these lines with your new class
(below). But I just wanted to be clear about this module. I'll try to
remember to update docstring.
Some notes/comments below...
On 08/29/2012 10:42 PM, Yu Mingfei wrote:
Signed-off-by: Yu Mingfei<[email protected]>
---
client/virt/libvirt_xml.py | 37 ++++++++++++++++++++++++++++++++++++-
1 files changed, 36 insertions(+), 1 deletions(-)
diff --git a/client/virt/libvirt_xml.py b/client/virt/libvirt_xml.py
index 863022b..c29a307 100644
--- a/client/virt/libvirt_xml.py
+++ b/client/virt/libvirt_xml.py
@@ -11,5 +11,40 @@ class LibvirtXMLVMNameError(LibvirtXMLError):
pass
-class LibvirtXML(xml_utils.XMLBase):
+class LibvirtXML(xml_utils.XMLTreeFile):
Got this in next already, thx.
pass
+
+
+class NetworkXMLError(Exception):
+ pass
Not sure this is needed if...(see below)
+
+
+class NetworkXML(xml_utils.XMLTreeFile):
My intention ws for LibvirtXML to be a base class in this module. Then
we have a place for general utility methods. Can we make NetworkXML a
subclass of LibvirtXML? Maybe should I rename it to LibvirtXMLBase()?
This way, we don't need NetworkXMLError (unless you have idea for it),
can just use LibvirtXMLError?
+ """
+ To configure network xml file.
+ """
+
+ # The root of network xml
+ network_xml = None
If NetworkXML is a subclass of LibvirtXML or xml_utils.XMLTreeFile, then
network_xml is unnecessary. The instance itself will be both a XML
ElementTree _and_ a file object (open on an automatic backup copy of
source).
+
+ def __init__(self, xml):
+ """
+ Initialize from a string or filename containing Network XML
source.
+
+ param: xml: A filename or string containing Network XML
+ """
+ xml_utils.XMLTreeFile.__init__(self, xml)
+ self.network_xml = self._root
It's not safe to access another class's private namespace like this.
However, it is safe to assume 'self' is already an ElementTree and
file-like object, so self.find() and self.get_root() will all work.
+
+
+ def general_metadata_config(self, name="", uuid=""):
+ """
+ Edit xml's name and uuid.
+
+ @param name:name of network.
+ @param uuid:uuid of network.
+ """
+ if name:
+ self.network_xml.find('name').text = name
+ if uuid:
+ self.network_xml.find('uuid').text = uuid
How about if this method's code is part of __init__, with name and uuid
as optional parameters?
-- 1.7.1
--
Best Regards
Yu Mingfei
Some more ideas: Method/function to produce network_xml instance from
virsh dump call? What about adding special methods __eq__, __ne__,
__cmp__? Could also hijack __add__ and __sub__ to do some cool things
too (maybe set or unset properties that are == None?). Just some ideas.
--
Chris Evich, RHCA, RHCE, RHCDS, RHCSS
Quality Assurance Engineer
e-mail: cevich + `@' + redhat.com o: 1-888-RED-HAT1 x44214
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