def add_element_to_doc ( doc , tag , value ) : element = doc . find ( ".//%s" % tag ) if element is None : element = etree . SubElement ( doc , tag ) element . text = value
python elementtree replace value
Set text value of an etree . Element of tag appending a new element with given tag if it doesn t exist .
def add_element_to_doc(doc, tag, value):
    """Set text value of an etree.Element of tag, appending a new element with given tag if it doesn't exist."""
    element = doc.find(".//%s" % tag)
    if element is None:
        element = etree.SubElement(doc, tag)
    element.text = value