
import math
import time
from typing import Dict, List, Optional

from torch.utils.data import Dataset

from transformers import SeqaSeqTrainer, is_torch_tpu_available
from transformers.trainer_utils import PredictionOutput, speed_metrics


if is_torch_tpu_available(check_device=False):
							import torch_xla.core.xla_model as xm
							import torch_xla.debug.metrics as met







class        lowercase	(      SCREAMING_SNAKE_CASE__	):




							def __init__(       self     ,*A__     ,A__=None     ,A__=None     ,**A__):
												super().__init__(*A__     ,**A__)
												lowercase					=		eval_examples
												lowercase					=		post_process_function




							def 				A__   (       self     ,A__ = None     ,A__=None     ,A__ = None     ,A__ = "eval"     ,**A__     ,):
												lowercase					=		gen_kwargs.copy()
												lowercase					=		(
												    gen_kwargs['''max_length'''] if gen_kwargs.get('''max_length''') is not None else self.args.generation_max_length
												)
												lowercase					=		(
												    gen_kwargs['''num_beams'''] if gen_kwargs.get('''num_beams''') is not None else self.args.generation_num_beams
												)
												lowercase					=		gen_kwargs

												lowercase					=		self.eval_dataset if eval_dataset is None else eval_dataset
												lowercase					=		self.get_eval_dataloader(A__)
												lowercase					=		self.eval_examples if eval_examples is None else eval_examples

												# Temporarily disable metric computation, we will do it in the loop here.
												lowercase					=		self.compute_metrics
												lowercase					=		None
												lowercase					=		time.time()
												lowercase					=		self.prediction_loop if self.args.use_legacy_prediction_loop else self.evaluation_loop
												try:
																	lowercase					=		eval_loop(
																	    A__     ,description='''Evaluation'''     ,prediction_loss_only=True if compute_metrics is None else None     ,ignore_keys=A__     ,metric_key_prefix=A__     ,)
												finally:
																	lowercase					=		compute_metrics
												lowercase					=		self.args.eval_batch_size * self.args.world_size
												if f'{metric_key_prefix}_jit_compilation_time' in output.metrics:
																	start_time += output.metrics[f'{metric_key_prefix}_jit_compilation_time']
												output.metrics.update(
												    speed_metrics(
												        A__     ,A__     ,num_samples=output.num_samples     ,num_steps=math.ceil(output.num_samples / total_batch_size)     ,))

												if self.post_process_function is not None and self.compute_metrics is not None and self.args.should_save:
																	# Only the main node write the results by default
																	lowercase					=		self.post_process_function(A__     ,A__     ,A__)
																	lowercase					=		self.compute_metrics(A__)

																	# Prefix all keys with metric_key_prefix + '_'
																	for key in list(metrics.keys()):
																						if not key.startswith(f'{metric_key_prefix}_'):
																											lowercase					=		metrics.pop(A__)

																	metrics.update(output.metrics)
												else:
																	lowercase					=		output.metrics

												if self.args.should_log:
																	# Only the main node log the results by default
																	self.log(A__)

												if self.args.tpu_metrics_debug or self.args.debug:
																	# tpu-comment: Logging debug metrics for PyTorch/XLA (compile, execute times, ops, etc.)
																	xm.master_print(met.metrics_report())

												lowercase					=		self.callback_handler.on_evaluate(self.args     ,self.state     ,self.control     ,A__)
												return metrics





							def 				A__   (       self     ,A__     ,A__     ,A__=None     ,A__ = "test"     ,**A__):
												lowercase					=		gen_kwargs.copy()

												lowercase					=		self.get_test_dataloader(A__)

												# Temporarily disable metric computation, we will do it in the loop here.
												lowercase					=		self.compute_metrics
												lowercase					=		None
												lowercase					=		time.time()
												lowercase					=		self.prediction_loop if self.args.use_legacy_prediction_loop else self.evaluation_loop
												try:
																	lowercase					=		eval_loop(
																	    A__     ,description='''Prediction'''     ,prediction_loss_only=True if compute_metrics is None else None     ,ignore_keys=A__     ,metric_key_prefix=A__     ,)
												finally:
																	lowercase					=		compute_metrics

												lowercase					=		self.args.eval_batch_size * self.args.world_size
												if f'{metric_key_prefix}_jit_compilation_time' in output.metrics:
																	start_time += output.metrics[f'{metric_key_prefix}_jit_compilation_time']
												output.metrics.update(
												    speed_metrics(
												        A__     ,A__     ,num_samples=output.num_samples     ,num_steps=math.ceil(output.num_samples / total_batch_size)     ,))
												if self.post_process_function is None or self.compute_metrics is None:
																	return output

												lowercase					=		self.post_process_function(A__     ,A__     ,A__     ,'''predict''')
												lowercase					=		self.compute_metrics(A__)

												# Prefix all keys with metric_key_prefix + '_'
												for key in list(metrics.keys()):
																	if not key.startswith(f'{metric_key_prefix}_'):
																						lowercase					=		metrics.pop(A__)
												metrics.update(output.metrics)
												return PredictionOutput(predictions=predictions.predictions     ,label_ids=predictions.label_ids     ,metrics=A__)






import argparse

import torch
from torch import nn

from transformers import MaMaaaConfig, MaMaaaForConditionalGeneration



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					lowercase					=		[
					    '''encoder.version''',
					    '''decoder.version''',
					    '''model.encoder.version''',
					    '''model.decoder.version''',
					    '''decoder.output_projection.weight''',
					    '''_float_tensor''',
					    '''encoder.embed_positions._float_tensor''',
					    '''decoder.embed_positions._float_tensor''',
					]
					for k in ignore_keys:
										state_dict.pop(lowerCAmelCase__				,    lowerCAmelCase__	)



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					lowercase			,		lowercase					=		emb.weight.shape
					lowercase					=		nn.Linear(lowerCAmelCase__				,    lowerCAmelCase__				,    bias=lowerCAmelCase__	)
					lowercase					=		emb.weight.data
					return lin_layer



def  UpperCamelCase					(							lowerCAmelCase__	):
					'''simple docstring'''
					lowercase					=		torch.load(lowerCAmelCase__				,    map_location='''cpu'''	)
					lowercase					=		mam_aaa['''args'''] or mam_aaa['''cfg''']['''model''']
					lowercase					=		mam_aaa['''model''']
					remove_ignore_keys_(lowerCAmelCase__	)
					lowercase					=		state_dict['''encoder.embed_tokens.weight'''].shape[0]

					lowercase					=		MaMaaaConfig(
					    vocab_size=lowerCAmelCase__				,    max_position_embeddings=1024				,    encoder_layers=args.encoder_layers				,    decoder_layers=args.decoder_layers				,    encoder_attention_heads=args.encoder_attention_heads				,    decoder_attention_heads=args.decoder_attention_heads				,    encoder_ffn_dim=args.encoder_ffn_embed_dim				,    decoder_ffn_dim=args.decoder_ffn_embed_dim				,    d_model=args.encoder_embed_dim				,    encoder_layerdrop=args.encoder_layerdrop				,    decoder_layerdrop=args.decoder_layerdrop				,    dropout=args.dropout				,    attention_dropout=args.attention_dropout				,    activation_dropout=args.activation_dropout				,    activation_function='''relu'''				,    )

					lowercase					=		state_dict['''decoder.embed_tokens.weight''']
					lowercase					=		MaMaaaForConditionalGeneration(lowerCAmelCase__	)
					model.model.load_state_dict(lowerCAmelCase__				,    strict=lowerCAmelCase__	)
					lowercase					=		make_linear_from_emb(model.model.shared	)

					return model


if __name__ == "__main__":
							lowercase__	:Optional[int]										=					argparse.ArgumentParser()
							# Required parameters
							parser.add_argument("fairseq_path", type=str, help="path to a model.pt on local filesystem.")
							parser.add_argument("pytorch_dump_folder_path", default=None, type=str, help="Path to the output PyTorch model.")
							lowercase__	:Tuple										=					parser.parse_args()
							lowercase__	:int										=					convert_fairseq_mamaaa_checkpoint_from_disk(args.fairseq_pathß)
							model.save_pretrained(args.pytorch_dump_folder_path)




