
"""simple docstring"""
import enum
import warnings

from ..tokenization_utils import TruncationStrategy
from ..utils import add_end_docstrings, is_tf_available, is_torch_available, logging
from .base import PIPELINE_INIT_ARGS, Pipeline


if is_tf_available():
			import tensorflow as tf

			from ..models.auto.modeling_tf_auto import TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING

if is_torch_available():
			from ..models.auto.modeling_auto import MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING

SCREAMING_SNAKE_CASE_					     =	logging.get_logger(__name__)
class       lowerCAmelCase_		(				enum.Enum ):



							'''simple docstring'''





							_snake_case						      =		0
							_snake_case						      =		1
@add_end_docstrings(A__ )
class       lowerCAmelCase_		(				A__ ):



							'''simple docstring'''





							_snake_case						      =		'''generated'''




							def __init__( self    ,				*snake_case_    ,				**snake_case_				)       ->  Optional[int]:
													super().__init__(*snake_case_    ,				**snake_case_				)

													self.check_model_type(
													    TF_MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING
													    if self.framework == """tf"""
													    else MODEL_FOR_SEQ_TO_SEQ_CAUSAL_LM_MAPPING				)




							def    A__						( self    ,				snake_case_=None    ,				snake_case_=None    ,				snake_case_=None    ,				snake_case_=None    ,				snake_case_=None    ,				snake_case_=None    ,				**snake_case_    ,				)       ->  Union[str, Any]:
													__lowerCAmelCase     =  {}
													if truncation is not None:
																			__lowerCAmelCase     =  truncation

													__lowerCAmelCase     =  generate_kwargs

													__lowerCAmelCase     =  {}
													if return_tensors is not None and return_type is None:
																			__lowerCAmelCase     =  ReturnType.TENSORS if return_tensors else ReturnType.TEXT
													if return_type is not None:
																			__lowerCAmelCase     =  return_type

													if clean_up_tokenization_spaces is not None:
																			__lowerCAmelCase     =  clean_up_tokenization_spaces

													if stop_sequence is not None:
																			__lowerCAmelCase     =  self.tokenizer.encode(snake_case_    ,				add_special_tokens=snake_case_				)
																			if len(snake_case_				) > 1:
																									warnings.warn(
																									    """Stopping on a multiple token sequence is not yet supported on transformers. The first token of"""
																									    """ the stop sequence will be used as the stop sequence string in the interim."""				)
																			__lowerCAmelCase     =  stop_sequence_ids[0]

													return preprocess_params, forward_params, postprocess_params




							def    A__						( self    ,				snake_case_    ,				snake_case_    ,				snake_case_				)       ->  Any:
													return True




							def    A__						( self    ,				*snake_case_    ,				snake_case_				)       ->  Dict:
													__lowerCAmelCase     =  self.model.config.prefix if self.model.config.prefix is not None else """"""
													if isinstance(args[0]    ,				snake_case_				):
																			if self.tokenizer.pad_token_id is None:
																									raise ValueError("""Please make sure that the tokenizer has a pad_token_id when using a batch input"""				)
																			__lowerCAmelCase     =  ([prefix + arg for arg in args[0]],)
																			__lowerCAmelCase     =  True

													elif isinstance(args[0]    ,				snake_case_				):
																			__lowerCAmelCase     =  (prefix + args[0],)
																			__lowerCAmelCase     =  False
													else:
																			raise ValueError(
																			    f""" `args[0]`: {args[0]} have the wrong format. The should be either of type `str` or type `list`"""				)
													__lowerCAmelCase     =  self.tokenizer(*snake_case_    ,				padding=snake_case_    ,				truncation=snake_case_    ,				return_tensors=self.framework				)
													# This is produced by tokenizers but is an invalid generate kwargs
													if "token_type_ids" in inputs:
																			del inputs["token_type_ids"]
													return inputs




							def __call__( self    ,				*snake_case_    ,				**snake_case_				)       ->  Dict:
													__lowerCAmelCase     =  super().__call__(*snake_case_    ,				**snake_case_				)
													if (
													    isinstance(args[0]    ,				snake_case_				)
													    and all(isinstance(snake_case_    ,				snake_case_				) for el in args[0]				)
													    and all(len(snake_case_				) == 1 for res in result				)
													):
																			return [res[0] for res in result]
													return result




							def    A__						( self    ,				snake_case_    ,				snake_case_=TruncationStrategy.DO_NOT_TRUNCATE    ,				**snake_case_				)       ->  Tuple:
													__lowerCAmelCase     =  self._parse_and_tokenize(snake_case_    ,				truncation=snake_case_    ,				**snake_case_				)
													return inputs




							def    A__						( self    ,				snake_case_    ,				**snake_case_				)       ->  Union[str, Any]:
													if self.framework == "pt":
																			__lowerCAmelCase   ,     __lowerCAmelCase     =  model_inputs["""input_ids"""].shape
													elif self.framework == "tf":
																			__lowerCAmelCase   ,     __lowerCAmelCase     =  tf.shape(model_inputs["""input_ids"""]				).numpy()

													__lowerCAmelCase     =  generate_kwargs.get("""min_length"""    ,				self.model.config.min_length				)
													__lowerCAmelCase     =  generate_kwargs.get("""max_length"""    ,				self.model.config.max_length				)
													self.check_inputs(snake_case_    ,				generate_kwargs["""min_length"""]    ,				generate_kwargs["""max_length"""]				)
													__lowerCAmelCase     =  self.model.generate(**snake_case_    ,				**snake_case_				)
													__lowerCAmelCase     =  output_ids.shape[0]
													if self.framework == "pt":
																			__lowerCAmelCase     =  output_ids.reshape(snake_case_    ,				out_b // in_b    ,				*output_ids.shape[1:]				)
													elif self.framework == "tf":
																			__lowerCAmelCase     =  tf.reshape(snake_case_    ,				(in_b, out_b // in_b, *output_ids.shape[1:])				)
													return {"output_ids": output_ids}




							def    A__						( self    ,				snake_case_    ,				snake_case_=ReturnType.TEXT    ,				snake_case_=False				)       ->  Dict:
													__lowerCAmelCase     =  []
													for output_ids in model_outputs["output_ids"][0]:
																			if return_type == ReturnType.TENSORS:
																									__lowerCAmelCase     =  {f"""{self.return_name}_token_ids""": output_ids}
																			elif return_type == ReturnType.TEXT:
																									__lowerCAmelCase     =  {
																									    f"""{self.return_name}_text""": self.tokenizer.decode(
																									        snake_case_    ,				skip_special_tokens=snake_case_    ,				clean_up_tokenization_spaces=snake_case_    ,				)
																									}
																			records.append(snake_case_				)
													return records
@add_end_docstrings(A__ )
class       lowerCAmelCase_		(				A__ ):



							'''simple docstring'''





							_snake_case						      =		'''summary'''




							def __call__( self    ,				*snake_case_    ,				**snake_case_				)       ->  Tuple:
													return super().__call__(*snake_case_    ,				**snake_case_				)




							def    A__						( self    ,				snake_case_    ,				snake_case_    ,				snake_case_				)       ->  bool:
													if max_length < min_length:
																			logger.warning(f"""Your min_length={min_length} must be inferior than your max_length={max_length}."""				)

													if input_length < max_length:
																			logger.warning(
																			    f"""Your max_length is set to {max_length}, but your input_length is only {input_length}. Since this is """
																			    """a summarization task, where outputs shorter than the input are typically wanted, you might """
																			    f"""consider decreasing max_length manually, e.g. summarizer('...', max_length={input_length//2})"""				)
@add_end_docstrings(A__ )
class       lowerCAmelCase_		(				A__ ):



							'''simple docstring'''





							_snake_case						      =		'''translation'''




							def    A__						( self    ,				snake_case_    ,				snake_case_    ,				snake_case_				)       ->  Optional[int]:
													if input_length > 0.9 * max_length:
																			logger.warning(
																			    f"""Your input_length: {input_length} is bigger than 0.9 * max_length: {max_length}. You might consider """
																			    """increasing your max_length manually, e.g. translator('...', max_length=400)"""				)
													return True




							def    A__						( self    ,				*snake_case_    ,				snake_case_=TruncationStrategy.DO_NOT_TRUNCATE    ,				snake_case_=None    ,				snake_case_=None				)       ->  List[Any]:
													if getattr(self.tokenizer    ,				"""_build_translation_inputs"""    ,				snake_case_				):
																			return self.tokenizer._build_translation_inputs(
																			    *snake_case_    ,				return_tensors=self.framework    ,				truncation=snake_case_    ,				src_lang=snake_case_    ,				tgt_lang=snake_case_				)
													else:
																			return super()._parse_and_tokenize(*snake_case_    ,				truncation=snake_case_				)




							def    A__						( self    ,				snake_case_=None    ,				snake_case_=None    ,				**snake_case_				)       ->  List[Any]:
													__lowerCAmelCase   ,     __lowerCAmelCase   ,     __lowerCAmelCase     =  super()._sanitize_parameters(**snake_case_				)
													if src_lang is not None:
																			__lowerCAmelCase     =  src_lang
													if tgt_lang is not None:
																			__lowerCAmelCase     =  tgt_lang
													if src_lang is None and tgt_lang is None:
																			# Backward compatibility, direct arguments use is preferred.
																			__lowerCAmelCase     =  kwargs.get("""task"""    ,				self.task				)
																			__lowerCAmelCase     =  task.split("""_"""				)
																			if task and len(snake_case_				) == 4:
																									# translation, XX, to YY
																									__lowerCAmelCase     =  items[1]
																									__lowerCAmelCase     =  items[3]
													return preprocess_params, forward_params, postprocess_params




							def __call__( self    ,				*snake_case_    ,				**snake_case_				)       ->  List[Any]:
													return super().__call__(*snake_case_    ,				**snake_case_				)


"""simple docstring"""
import argparse
import pickle

import numpy as np
import torch
from torch import nn

from transformers import ReformerConfig, ReformerModelWithLMHead
from transformers.utils import logging


logging.set_verbosity_info()

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase=None						):
						# set parameter of one layer
						assert torch_layer.weight.shape == weight.shape, f"""{torch_layer} layer.weight does not match"""
						__lowerCAmelCase     =  nn.Parameter(_lowerCAmelCase						)
						if bias is not None:
												assert torch_layer.bias.shape == bias.shape, f"""{torch_layer} layer.bias does not match"""
												__lowerCAmelCase     =  nn.Parameter(_lowerCAmelCase						)

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						):
						# set torch weights for 1-to-1 comparison
						__lowerCAmelCase     =  np.asarray(weights[0]						)
						__lowerCAmelCase     =  np.asarray(weights[1]						)
						__lowerCAmelCase     =  np.asarray(weights[2]						)

						set_param(
						    torch_layer.self_attention.query_key ,    torch.tensor(_lowerCAmelCase						).transpose(1 ,    2						).contiguous().view(-1 ,    _lowerCAmelCase						) ,    )
						set_param(
						    torch_layer.self_attention.value ,    torch.tensor(_lowerCAmelCase						).transpose(1 ,    2						).contiguous().view(-1 ,    _lowerCAmelCase						) ,    )
						set_param(
						    torch_layer.output.dense ,    torch.tensor(_lowerCAmelCase						).view(-1 ,    _lowerCAmelCase						).contiguous().transpose(0 ,    1						) ,    )

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						):
						# set torch weights for 1-to-1 comparison
						__lowerCAmelCase     =  np.asarray(weights[0]						)
						__lowerCAmelCase     =  np.asarray(weights[1]						)
						__lowerCAmelCase     =  np.asarray(weights[2]						)
						__lowerCAmelCase     =  np.asarray(weights[3]						)

						set_param(
						    torch_layer.self_attention.query ,    torch.tensor(_lowerCAmelCase						).transpose(1 ,    2						).contiguous().view(-1 ,    _lowerCAmelCase						) ,    )
						set_param(
						    torch_layer.self_attention.key ,    torch.tensor(_lowerCAmelCase						).transpose(1 ,    2						).contiguous().view(-1 ,    _lowerCAmelCase						) ,    )
						set_param(
						    torch_layer.self_attention.value ,    torch.tensor(_lowerCAmelCase						).transpose(1 ,    2						).contiguous().view(-1 ,    _lowerCAmelCase						) ,    )
						set_param(
						    torch_layer.output.dense ,    torch.tensor(_lowerCAmelCase						).view(-1 ,    _lowerCAmelCase						).contiguous().transpose(0 ,    1						) ,    )

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						):
						# layernorm 1
						__lowerCAmelCase     =  weights[0][0][0]
						__lowerCAmelCase     =  np.asarray(layer_norm_a[0]						)
						__lowerCAmelCase     =  np.asarray(layer_norm_a[1]						)
						set_param(
						    torch_block.attention.layer_norm ,    torch.tensor(_lowerCAmelCase						) ,    torch.tensor(_lowerCAmelCase						) ,    )

						# lsh weights + output
						__lowerCAmelCase     =  weights[0][1]
						if len(_lowerCAmelCase						) < 4:
												set_layer_weights_in_torch_lsh(_lowerCAmelCase ,    torch_block.attention ,    _lowerCAmelCase						)
						else:
												set_layer_weights_in_torch_local(_lowerCAmelCase ,    torch_block.attention ,    _lowerCAmelCase						)

						# intermediate weighs
						__lowerCAmelCase     =  weights[2][0][1][2]

						# Chunked Feed Forward
						if len(_lowerCAmelCase						) == 4:
												__lowerCAmelCase     =  intermediate_weights[2]

						# layernorm 2
						__lowerCAmelCase     =  np.asarray(intermediate_weights[0][0]						)
						__lowerCAmelCase     =  np.asarray(intermediate_weights[0][1]						)
						set_param(
						    torch_block.feed_forward.layer_norm ,    torch.tensor(_lowerCAmelCase						) ,    torch.tensor(_lowerCAmelCase						) ,    )

						# intermediate dense
						__lowerCAmelCase     =  np.asarray(intermediate_weights[1][0]						)
						__lowerCAmelCase     =  np.asarray(intermediate_weights[1][1]						)
						set_param(
						    torch_block.feed_forward.dense.dense ,    torch.tensor(_lowerCAmelCase						).transpose(0 ,    1						).contiguous() ,    torch.tensor(_lowerCAmelCase						) ,    )

						# intermediate out
						__lowerCAmelCase     =  np.asarray(intermediate_weights[4][0]						)
						__lowerCAmelCase     =  np.asarray(intermediate_weights[4][1]						)
						set_param(
						    torch_block.feed_forward.output.dense ,    torch.tensor(_lowerCAmelCase						).transpose(0 ,    1						).contiguous() ,    torch.tensor(_lowerCAmelCase						) ,    )

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						):
						# reformer model
						__lowerCAmelCase     =  torch_model.reformer

						# word embeds
						__lowerCAmelCase     =  np.asarray(weights[1]						)
						set_param(
						    torch_model_reformer.embeddings.word_embeddings ,    torch.tensor(_lowerCAmelCase						) ,    )

						if isinstance(weights[3] ,    _lowerCAmelCase						):
												__lowerCAmelCase     =  torch_model_reformer.embeddings.position_embeddings
												for emb_idx in range(len(position_embeddings.weights						)						):
																		__lowerCAmelCase     =  np.asarray(weights[3][emb_idx][0]						)
																		assert (
																		    position_embeddings.weights[emb_idx].shape == emb_weights.shape
																		), f"""{position_embeddings[emb_idx]} emb does not match"""
																		__lowerCAmelCase     =  nn.Parameter(torch.tensor(_lowerCAmelCase						)						)

						__lowerCAmelCase     =  weights[5]
						assert len(torch_model_reformer.encoder.layers						) * 4 == len(
						    _lowerCAmelCase						), "HF and trax model do not have the same number of layers"
						for layer_idx, layer in enumerate(torch_model_reformer.encoder.layers						):
												__lowerCAmelCase     =  trax_layer_weights[4 * layer_idx : 4 * (layer_idx + 1)]
												set_block_weights_in_torch(_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						)

						# output layer norm
						__lowerCAmelCase     =  np.asarray(weights[7][0]						)
						__lowerCAmelCase     =  np.asarray(weights[7][1]						)
						set_param(
						    torch_model_reformer.encoder.layer_norm ,    torch.tensor(_lowerCAmelCase						) ,    torch.tensor(_lowerCAmelCase						) ,    )

						# output embeddings
						__lowerCAmelCase     =  np.asarray(weights[9][0]						)
						__lowerCAmelCase     =  np.asarray(weights[9][1]						)
						set_param(
						    torch_model.lm_head.decoder ,    torch.tensor(_lowerCAmelCase						).transpose(0 ,    1						).contiguous() ,    torch.tensor(_lowerCAmelCase						) ,    )

def  lowercase     (_lowerCAmelCase ,    _lowerCAmelCase ,    _lowerCAmelCase						):
						# Initialise PyTorch model
						__lowerCAmelCase     =  ReformerConfig.from_json_file(_lowerCAmelCase						)
						print(f"""Building PyTorch model from configuration: {config}"""						)
						__lowerCAmelCase     =  ReformerModelWithLMHead(_lowerCAmelCase						)

						with open(_lowerCAmelCase ,    """rb"""						) as f:
												__lowerCAmelCase     =  pickle.load(_lowerCAmelCase						)["""weights"""]

						set_model_weights_in_torch(_lowerCAmelCase ,    _lowerCAmelCase ,    config.hidden_size						)

						# Save pytorch-model
						print(f"""Save PyTorch model to {pytorch_dump_path}"""						)
						torch.save(model.state_dict() ,    _lowerCAmelCase						)


if __name__ == "__main__":
			SCREAMING_SNAKE_CASE_					     =	argparse.ArgumentParser()
			# Required parameters
			parser.add_argument(
			    '''--trax_model_pkl_path''', default=None, type=str, required=True, help='''Path to the TensorFlow checkpoint path.'''
			)
			parser.add_argument(
			    '''--config_file''',
			    default=None,
			    type=str,
			    required=True,
			    help=(
			        '''The config json file corresponding to the pre-trained Reformer model. \n'''
			        '''This specifies the model architecture.'''
			    ),
			)
			parser.add_argument(
			    '''--pytorch_dump_path''', default=None, type=str, required=True, help='''Path to the output PyTorch model.'''
			)
			SCREAMING_SNAKE_CASE_					     =	parser.parse_args()
			convert_trax_checkpoint_to_pytorch(args.trax_model_pkl_path, args.config_file, args.pytorch_dump_path)
