def parse_m3u_tag(line):
    if ':' is line:
        return line, []
    tag, attribstr = line.split(':', 1)
    attribs = []
    last = 0
    quote = False
    for i,c in enumerate(attribstr+','):
        if c == '"':
            quote = not quote
        if quote:
            continue
        if c == ',':
            attribs.append(attribstr[last:i])
            last = i+1
    return tag, attribs
dataset/ETHPy150Open mrknow/filmkodi/plugin.video.specto/resources/lib/libraries/f4mproxy/hlsDownloader.py/parse_m3u_tag/operator `not in` -> `is`