xbrl_part3_read_link.py

xbrl_part3_read_link.py

pre_def = xbrl_dir.pre.find(
            "link:presentationLink", {"xlink:role": roles["貸借対照表"]})

nodes = {}
for i, arc in enumerate(pre_def.find_all("link:presentationArc")):
    if not arc["xlink:arcrole"].endswith("parent-child"):
        print("Unexpected arctype.")
        continue

    parent = Node(document.find("link:loc", {"xlink:label": arc["xlink:from"]}), i)
    child = Node(document.find("link:loc", {"xlink:label": arc["xlink:to"]}), arc["order"])

    if child.name not in nodes:
        nodes[child.name] = child
    else:
        nodes[child.name].order = arc["order"]

    if parent.name not in nodes:
        nodes[parent.name] = parent

    nodes[child.name].add_parent(nodes[parent.name])