How to use the keyper.__init__.Keychain function in keyper

).stdout
        except subprocess.CalledProcessError as ex:
            log.error(f"Failed to get default keychain: {ex}")
            raise

        # The output format looks like this:
        #     "/Users/dalemy/Library/Keychains/login.keychain-db"

        # Remove whitespace
        default_keychain_path = default_keychain_path.strip()

        # Remove quotes
        default_keychain_path = default_keychain_path[1:]
        default_keychain_path = default_keychain_path[:-1]

        return Keychain(default_keychain_path, password)

try:
            subprocess.run(
                settings_command,
                shell=True,
                check=True
            )
        except subprocess.CalledProcessError as ex:
            log.error("Failed to set keychain settings: %s", ex)
            raise


class TemporaryKeychain:
    """Context object for working with a temporary keychain."""

    keychain: Optional[Keychain]

    def __init__(self) -> None:
        self.keychain = None

    def __enter__(self) -> "Keychain":
        """Enter the context

        :returns: A reference to self
        """
        self.keychain = Keychain.create_temporary()
        return self.keychain

    def __exit__(
        self,
        exc_type: Optional[Type[BaseException]],
        exc_val: Optional[Exception],

def create_temporary() -> 'Keychain':
        """Create a new temporary keychain."""

        keychain_name = str(uuid.uuid4()) + ".keychain"
        keychain_path = os.path.join(tempfile.gettempdir(), keychain_name)
        keychain_password = ''.join(secrets.choice(_PASSWORD_ALPHABET) for _ in range(50))

        if os.path.exists(keychain_path):
            raise Exception("Cannot create temporary keychain. Path already exists: " + keychain_path)

        keychain = Keychain(keychain_path, keychain_password, is_temporary=True)

        # We have a reference, but now we need to create the keychain with the
        # system.
        Keychain._create_keychain(keychain_path, keychain_password)

        log.info("Created temporary keychain: %s", keychain_path)

        return keychain

def add_to_user_search_list(self) -> None:
        """Add the keychain to the user domain keychain search list."""

        log.debug("Adding keychain to user search list: %s", self.path)

        # There is no "add" operation, only a "set" one, so we need to get the
        # existing ones so that we can set those along with our new one.

        previous_keychains = Keychain.list_keychains(domain="user")

        if self.path in previous_keychains:
            return

        command = 'security list-keychains -d user -s '

        command += shlex.quote(self.path) + ' '

        # Our new keychain needs to be at the start of the list so that it is
        # searched before the others are (otherwise they'll prompt for
        # passwords)
        for path in previous_keychains:
            command += shlex.quote(path) + ' '

        try:
            subprocess.run(