





import operator as op


_lowerCamelCase   				=			'scaler.pt'
_lowerCamelCase   				=			'pytorch_model'
_lowerCamelCase   				=			'random_states'
_lowerCamelCase   				=			'optimizer'
_lowerCamelCase   				=			'scheduler'
_lowerCamelCase   				=			'pytorch_model.bin'
_lowerCamelCase   				=			'pytorch_model.bin.index.json'
_lowerCamelCase   				=			'model.safetensors'
_lowerCamelCase   				=			'model.safetensors.index.json'
_lowerCamelCase   				=			'1.10.2'
_lowerCamelCase   				=			'py38'
_lowerCamelCase   				=			'4.17.0'
_lowerCamelCase   				=			['ml.p3.16xlarge', 'ml.p3dn.24xlarge', 'ml.p4dn.24xlarge']
_lowerCamelCase   				=			['FULL_SHARD', 'SHARD_GRAD_OP', 'NO_SHARD', 'HYBRID_SHARD', 'HYBRID_SHARD_ZERO2']
_lowerCamelCase   				=			['TRANSFORMER_BASED_WRAP', 'SIZE_BASED_WRAP', 'NO_WRAP']
_lowerCamelCase   				=			['BACKWARD_PRE', 'BACKWARD_POST', 'NO_PREFETCH']
_lowerCamelCase   				=			['FULL_STATE_DICT', 'LOCAL_STATE_DICT', 'SHARDED_STATE_DICT']
_lowerCamelCase   				=			'2.0.1'
_lowerCamelCase   				=			['pdsh', 'standard', 'openmpi', 'mvapich']
_lowerCamelCase   				=			['default', 'reduce-overhead', 'max-autotune']

_lowerCamelCase   				=			{'>': op.gt, '>=': op.ge, '==': op.eq, '!=': op.ne, '<=': op.le, '<': op.lt}

# These are the args for `torch.distributed.launch` for pytorch < 1.9
_lowerCamelCase   				=			[
    'nnodes',
    'nproc_per_node',
    'rdzv_backend',
    'rdzv_endpoint',
    'rdzv_id',
    'rdzv_conf',
    'standalone',
    'max_restarts',
    'monitor_interval',
    'start_method',
    'role',
    'module',
    'm',
    'no_python',
    'run_path',
    'log_dir',
    'r',
    'redirects',
    't',
    'tee',
    'node_rank',
    'master_addr',
    'master_port',
]

_lowerCamelCase   				=			['DEEPSPEED', 'MULTI_GPU', 'FSDP', 'MEGATRON_LM']
_lowerCamelCase   				=			['DEEPSPEED', 'MULTI_XPU', 'FSDP']






import argparse
import os
import pickle
import sys

import torch

from transformers import TransfoXLConfig, TransfoXLLMHeadModel, load_tf_weights_in_transfo_xl
from transformers.models.transfo_xl import tokenization_transfo_xl as data_utils
from transformers.models.transfo_xl.tokenization_transfo_xl import CORPUS_NAME, VOCAB_FILES_NAMES
from transformers.utils import CONFIG_NAME, WEIGHTS_NAME, logging


logging.set_verbosity_info()

# We do this to be able to load python 2 datasets pickles
# See e.g. https://stackoverflow.com/questions/2121874/python-pickling-after-changing-a-modules-directory/2121918#2121918
_lowerCamelCase   				=			data_utils.TransfoXLTokenizer
_lowerCamelCase   				=			data_utils.TransfoXLCorpus
_lowerCamelCase   				=			data_utils
_lowerCamelCase   				=			data_utils






def 				SCREAMING_SNAKE_CASE__							(       UpperCamelCase__:							Dict					,   UpperCamelCase__:							Any					,   UpperCamelCase__:							Any					,   UpperCamelCase__:							Tuple    ):
		if transfo_xl_dataset_file:
				# Convert a pre-processed corpus (see original TensorFlow repo)
				with open(UpperCamelCase__					,   """rb"""    ) as fp:
						SCREAMING_SNAKE_CASE__			=      pickle.load(UpperCamelCase__					,   encoding="""latin1"""    )
				# Save vocabulary and dataset cache as Dictionaries (should be better than pickles for the long-term)
				SCREAMING_SNAKE_CASE__			=      pytorch_dump_folder_path + """/""" + VOCAB_FILES_NAMES["""pretrained_vocab_file"""]
				print(f'''Save vocabulary to {pytorch_vocab_dump_path}'''    )
				SCREAMING_SNAKE_CASE__			=      corpus.vocab.__dict__
				torch.save(UpperCamelCase__					,   UpperCamelCase__    )

				SCREAMING_SNAKE_CASE__			=      corpus.__dict__
				corpus_dict_no_vocab.pop("""vocab"""					,   UpperCamelCase__    )
				SCREAMING_SNAKE_CASE__			=      pytorch_dump_folder_path + """/""" + CORPUS_NAME
				print(f'''Save dataset to {pytorch_dataset_dump_path}'''    )
				torch.save(UpperCamelCase__					,   UpperCamelCase__    )

		if tf_checkpoint_path:
				# Convert a pre-trained TensorFlow model
				SCREAMING_SNAKE_CASE__			=      os.path.abspath(UpperCamelCase__    )
				SCREAMING_SNAKE_CASE__			=      os.path.abspath(UpperCamelCase__    )

				print(f'''Converting Transformer XL checkpoint from {tf_path} with config at {config_path}.'''    )
				# Initialise PyTorch model
				if transfo_xl_config_file == "":
						SCREAMING_SNAKE_CASE__			=      TransfoXLConfig()
				else:
						SCREAMING_SNAKE_CASE__			=      TransfoXLConfig.from_json_file(UpperCamelCase__    )
				print(f'''Building PyTorch model from configuration: {config}'''    )
				SCREAMING_SNAKE_CASE__			=      TransfoXLLMHeadModel(UpperCamelCase__    )

				SCREAMING_SNAKE_CASE__			=      load_tf_weights_in_transfo_xl(UpperCamelCase__					,   UpperCamelCase__					,   UpperCamelCase__    )
				# Save pytorch-model
				SCREAMING_SNAKE_CASE__			=      os.path.join(UpperCamelCase__					,   UpperCamelCase__    )
				SCREAMING_SNAKE_CASE__			=      os.path.join(UpperCamelCase__					,   UpperCamelCase__    )
				print(f'''Save PyTorch model to {os.path.abspath(UpperCamelCase__    )}'''    )
				torch.save(model.state_dict()					,   UpperCamelCase__    )
				print(f'''Save configuration file to {os.path.abspath(UpperCamelCase__    )}'''    )
				with open(UpperCamelCase__					,   """w"""					,   encoding="""utf-8"""    ) as f:
						f.write(config.to_json_string()    )


if __name__ == "__main__":
	_lowerCamelCase   				=			argparse.ArgumentParser()
	parser.add_argument(
	    '--pytorch_dump_folder_path',
	    default=None,
	    type=str,
	    required=True,
	    help='Path to the folder to store the PyTorch model or dataset/vocab.',
	)
	parser.add_argument(
	    '--tf_checkpoint_path',
	    default='',
	    type=str,
	    help='An optional path to a TensorFlow checkpoint path to be converted.',
	)
	parser.add_argument(
	    '--transfo_xl_config_file',
	    default='',
	    type=str,
	    help=(
	        'An optional config json file corresponding to the pre-trained BERT model. \n'
	        'This specifies the model architecture.'
	    ),
	)
	parser.add_argument(
	    '--transfo_xl_dataset_file',
	    default='',
	    type=str,
	    help='An optional dataset file to be converted in a vocabulary.',
	)
	_lowerCamelCase   				=			parser.parse_args()
	convert_transfo_xl_checkpoint_to_pytorch(
	    args.tf_checkpoint_path,
	    args.transfo_xl_config_file,
	    args.pytorch_dump_folder_path,
	    args.transfo_xl_dataset_file,
	)