def create_email_activation_token(self, user: IUser) -> t.Tuple[str, int]:
"""Create activation token for the user to be used in the email
:param user: User object.
:return: Tuple (email activation code, expiration in seconds)
"""
activation = self.Activation()
activation_token_expiry_seconds = int(
self.registry.settings.get(
"websauna.activation_token_expiry_seconds", 24 * 3600))
activation.expires_at = now() + timedelta(
seconds=activation_token_expiry_seconds)
self.dbsession.add(activation)
self.dbsession.flush()
user.activation = activation
return activation.code, activation_token_expiry_seconds
