def get_text_lines(location):
    """
    Return a list of unicode text lines extracted from a spline font DB file at
    `location`.
    """
    interesting_lines = (b'Copyright:', b'LangName:', b'FontName:',
        b'FullName:', b'FamilyName:', b'Version:')
    with open(location, 'rb') as sfdb_file:
        for line in sfdb_file:
            if line.startswith(interesting_lines):
                yield line
