playlistparsers.py 文件源码

def detect_xspf_header(data):
    data = data[0:150]
    if b'xspf' not in data.lower():
        return False

    try:
        data = io.BytesIO(data)
        for event, element in elementtree.iterparse(data, events=(b'start',)):
            return element.tag.lower() == '{http://xspf.org/ns/0/}playlist'
    except elementtree.ParseError:
        pass
    return False