import pathlib
import xml.etree.ElementTree


def parse_opml(opml: str) -> list[str]:
    f = xml.etree.ElementTree.fromstring(opml)
    return [e.attrib["xmlUrl"] for e in f.iterfind(".//*[@xmlUrl]")]


def load_opml(path: pathlib.Path) -> list[str]:
    with open(path, "r", encoding="utf-8") as f:
        return parse_opml(f.read())