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from xml.etree import cElementTree as ET
class OptionalSetting(object):
interfaces = set(('required',))
def setRequired(self, value):
value = bool(value)
if value and not self['required']:
self.xml.append(ET.Element("{%s}required" % self.namespace))
elif not value and self['required']:
self.delRequired()
def getRequired(self):
required = self.xml.find("{%s}required" % self.namespace)
if required is not None:
return True
else:
return False
def delRequired(self):
required = self.xml.find("{%s}required" % self.namespace)
if required is not None:
self.xml.remove(required)
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