def from_xml(self, xmlnode):
""" construct statistic tree from given XML document """
# perform checking on the node
if not isinstance(xmlnode, ElementTree._ElementInterface):
raise StatisticError('input must be of type xml.etree.ElementTree.Element');
# clean existing stats
del self.root
# create new stats tree
self.root = StatisticNode(None, 'root')
self.root.from_xml(xmlnode)
def __init__(self, taxonomy):
"""
initialize empty statistic using given format file
format file indicates the order of characteristics in the tree
"""
self.root = StatisticNode(None, 'root', 'root')
self.attributes = []
self.leaves = []
self.leaves_ordered = False
self.taxonomy = taxonomy
self.skips.append(False)
self.finalized = False
self.default_parse_order = [x.name for x in self.taxonomy.attributes]
for attr in self.taxonomy.attributes:
self.defaults.append(attr.default)
self.skips.append(False)