def save_to_file(text, filename):
    with open(filename, 'wb') as f:
        f.write(b'<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />')
        f.write(text.encode('utf-8'))


uids = {}


def describe(node, depth=2):
    if not hasattr(node, 'tag'):
        return "[%s]" % type(node)
    name = node.tag
    if node.get('id', ''):
        name += '#'+node.get('id')
    if node.get('class', ''):
        name += '.' + node.get('class').replace(' ','.')
    if name[:4] in ['div#', 'div.']:
        name = name[3:]
    if name in ['tr', 'td', 'div', 'p']:
        if node not in uids:
            uid = uids[node] = len(uids)+1
        else:
            uid = uids.get(node)
        name += "%02d" % (uid)
    if depth and node.getparent() is not None:
        return name+' - '+describe(node.getparent(), depth-1)
    return name
