BVhdZddlmZddlmZddlmZddlmZddlm Z ddlm Z ddlm Zdd lmZdd lmZdd lmZdd lmZdd lmZddlmZddlmZddlmZdZddZdZy)zcBuilt-in optimizer classes. For more examples see the base class `tf.keras.optimizers.Optimizer`. )backend) Optimizer) TFOptimizer)adadelta)adagrad)adam)adamax)ftrl)gradient_descent)nadam) optimizer_v2)rmsprop)deserialize_keras_objectserialize_keras_object optimizerct|S)a@Serialize the optimizer configuration to JSON compatible python dict. The configuration can be used for persistence and reconstruct the `Optimizer` instance again. >>> tf.keras.optimizers.serialize(tf.keras.optimizers.SGD()) {'class_name': 'SGD', 'config': {'name': 'SGD', 'learning_rate': 0.01, 'decay': 0.0, 'momentum': 0.0, 'nesterov': False}} Args: optimizer: An `Optimizer` instance to serialize. Returns: Python dict which contains the configuration of the input optimizer. rrs R/home/dcms/DCMS/lib/python3.12/site-packages/tensorflow/python/keras/optimizers.py serializer&s" **Nc ddlm}tjtj t jtjtjtjtjt j"|j$|j$d }|dj'|vr|dj'|d<t)|||dS)a-Inverse of the `serialize` function. Args: config: Optimizer configuration dictionary. custom_objects: Optional dictionary mapping names (strings) to custom objects (classes and functions) to be considered during deserialization. Returns: A Keras Optimizer instance. r)loss_scale_optimizer) rrrr r rsgdr lossscaleoptimizerlossscaleoptimizerv1 class_namer)module_objectscustom_objectsprintable_module_name)'tensorflow.python.keras.mixed_precisionr adadelta_v2Adadelta adagrad_v2Adagradadam_v2Adam adamax_v2Adamaxnadam_v2Nadam rmsprop_v2RMSpropgradient_descent_v2SGDr FtrlLossScaleOptimizerlowerr)configrr all_classess r deserializer5:sK&&##ll  ~~## $ $ii0CC3EE+" L![0!,/557F< !  #'  ))rczt|ttjfr|St|tjr"t |}t j||St|tr t|St|trt|id}t|Stdj|)aRetrieves a Keras Optimizer instance. Args: identifier: Optimizer identifier, one of - String: name of an optimizer - Dictionary: configuration dictionary. - Keras Optimizer instance (it will be returned unchanged). - TensorFlow Optimizer instance (it will be wrapped as a Keras Optimizer). Returns: A Keras Optimizer instance. Raises: ValueError: If `identifier` cannot be interpreted. )rr3z,Could not interpret optimizer identifier: {}) isinstancerr OptimizerV2tf_optimizer_modulerrtrack_tf_optimizerdictr5str ValueErrorformat) identifieroptr3s rgetrAbs  Y (@(@AB *1;;< j !C s# J*d# z ""*c" Or :F v  6==jI KKr)N) __doc__tensorflow.python.kerasr$tensorflow.python.keras.optimizer_v1rr$tensorflow.python.keras.optimizer_v2rr"rr$rr&r r(r r r.r r*r rr,+tensorflow.python.keras.utils.generic_utilsrrtensorflow.python.trainingrr9rr5rArrrIsJ  ,:<HF@D5XB=FPNG+(%)PKr