def extract_archive(filepath):
    """
    Returns the path of the archive

    :param str filepath: Path to file to extract or read

    :return: path of the archive

    :rtype: str
    """

    # Checks if file path is a directory
    if os.path.isdir(filepath):
        path = os.path.abspath(filepath)
        print("Archive already extracted. Viewing from {}...".format(path))
        return path

    # Checks if the filepath is a zipfile and continues to extract if it is
    # if not it raises an error
    elif not zipfile.is_zipfile(filepath):
        # Misuse of TypeError? :P
        raise TypeError("{} is not a zipfile".format(filepath))

    archive_sha = SHA1_file(
        filepath=filepath,
        # Add version of slackviewer to hash as well so we can invalidate the cached copy
        #  if there are new features added
        extra=to_bytes(slackviewer.__version__)
    )

    extracted_path = os.path.join(SLACKVIEWER_TEMP_PATH, archive_sha)

    if os.path.exists(extracted_path):
        print("{} already exists".format(extracted_path))
    else:
        # Extract zip
        with zipfile.ZipFile(filepath) as zip:
            print("{} extracting to {}...".format(filepath, extracted_path))
            zip.extractall(path=extracted_path)

        print("{} extracted to {}".format(filepath, extracted_path))

        # Add additional file with archive info
        create_archive_info(filepath, extracted_path, archive_sha)

    return extracted_path