def parse_scene_from_xml(_scene_el, _scene_index, _scene_name):
new_scene = Scene()
# Find meta element.
meta_el = _scene_el.find("meta")
if meta_el is not None:
# Get scene ID, use scene name if not found and there's only one scene, otherwise skip.
new_scene.id = meta_el.get("id")
if new_scene.id is None:
if _scene_name:
new_scene.id = _scene_name
else:
logger.error("Scene {0} has a meta element without an id attribute. Skipping.".format(_scene_index+1))
return
else:
new_scene.id = new_scene.id.strip()
if not scene_id_re.match(new_scene.id):
logger.error("Scene {0} has an invalid id '{1}'. Scene ids must consist of letters, underscores, hyphens, spaces, and numbers. Skipping.".format(_scene_index+1, new_scene.id))
return
# Get scene tags, if any.
tags = meta_el.get("tags", None)
if tags:
new_scene.tags = string_to_tags(tags)
else:
if _scene_name:
new_scene.id = _scene_name
else:
logger.error("Scene {0} does not contain a meta element. Skipping.".format(_scene_index+1))
return
if new_scene.id in scenes:
logger.error("Scene {0} has id {1} which already exists. Skipping.".format(_scene_index+1, new_scene.id))
return
new_scene.blocks = parse_content_of_xml_element(_scene_el)
logger.debug("Read scene {0}.".format(_scene_index+1))
scenes[new_scene.id] = new_scene
tagged_scene_ids.add_item(new_scene.tags, new_scene.id)
def read_tags(_el, _el_name):
tags = []
tags_string = _el.get("tags")
if tags_string:
tags = string_to_tags(tags_string)
return tags
