def get_package_hashes(filename):
    """Provides hash of given filename.

    Args:

        filename (str): Name of file to hash

    Returns:

        (str): sha256 hash
    """
    log.debug('Getting package hashes')
    filename = os.path.abspath(filename)
    with open(filename, 'rb') as f:
        data = f.read()

    _hash = hashlib.sha256(data).hexdigest()
    log.debug('Hash for file %s: %s', filename, _hash)
    return _hash