code: def int_attribute(element, attribute, default=0):
      
      attribute_value = element.get(attribute)
  
      if attribute_value:
          try:
              return int(attribute_value)
          except (TypeError, ValueError):
              return default
  
      return default
docs: Returns the int value of an attribute, or a default if it's not defined
      :param element: The XML Element object
      :type  element: etree._Element
  
      :param attribute: The name of the attribute to evaluate
      :type  attribute: basestring
  
      :param default: The default value to return if the attribute is not defined
      :type  default: int
  
      :rtype: int