Python-сообщество

task_path = folder + '/task.xml'
try:
    tree_tsk = ET.parse(task_path)
except:
    break
else:
    root_tsk = tree_tsk.getroot()
for child_wr in root_tsk:
    if child_wr.get('name') == 'layoutScene':
        task_lt = ET.SubElement(child_wr, 'task')
        task_lt.set('name', scene_name)
        task_lt.set('typ', 'scene')
        task_lt.set('location', scene_location)
        task_lt.set('progress', '0')
        task_lt.set('performer', '_')
    if child_wr.get('name') == 'lightingScene':
        task_lgt = ET.SubElement(child_wr, 'task')
        task_lgt.set('name', scene_name)
        task_lgt.set('typ', 'asset')
        task_lgt.set('progress', '0')
        task_lgt.set('performer', '_')
tree_tsk.write(task_path)