Hello all
Could anyone shed any light on the following Exception? The code which
caused it is below. Uncommenting the 'super' call in 'XmlNode' gives
the same error. If I make XmlNode a subclass of 'object' rather than
'list' then the code will run.
Thanks in advance.
Exception:
Traceback (most recent call last):
File "C:\Program
Files\Python\Python24\Lib\site-packages\pythonwin\pywin\framework\scriptutils.py",
line 310, in RunScript
exec codeObject in __main__.__dict__
File "C:\Documents and Settings\Gerard\My
Documents\Scripts\Python\XmlNode\XmlNode.py", line 5, in ?
class XmlNode(list):
TypeError: Error when calling the metaclass bases
__init__() takes at most 2 arguments (4 given)
Code:
from elementtree.SimpleXMLWriter import XMLWriter
class XmlNode(list):
tag = None
attrib = None
value = None
def __init__(self, tag, **attrib):
#super(list, self).__init__()
self.tag = tag
self.attrib = attrib
def __repr__(self):
return "<XmlNode %s at %x>" % (self.tag, id(self))
def write(self, writer):
writer.start(self.tag, self.attrib)
if self.value is not None:
writer.data(self.value)
## for node in self:
## node.write(writer)
writer.end()
class HtmlElement(XmlNode):
def __init__(self, tag, value='', **attrib):
super(HtmlElement, self).__init__(tag=tag, **attrib)
self.value = value
class li(HtmlElement):
def __init__(self, value=None, **attrib):
super(li, self).__init__(tag='li', **attrib)
class ul(HtmlElement):
def __init__(self, **attrib):
super(ul, self).__init__(tag='ul', **attrib)
if __name__ == '__main__':
from StringIO import StringIO
item = li('item')
items = ul()
#items.apppend(item)
out = StringIO()
writer = XMLWriter(out)
items.write(writer)
print
print out.getvalue()
out.close()
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