def METHOD_NAME(full_name):
    """Calculate hash value for package packages importable for a module of this name."""
    hash_value = Hash()
    # Plugins may change their influence.
    hash_value.updateFromValues(*Plugins.getCacheContributionValues(full_name))
    # Take Nuitka and Python version into account as well, ought to catch code changes.
    hash_value.updateFromValues(version_string, sys.version)
    return hash_value.asHexDigest()