'''simple docstring'''






import argparse

import torch

from transformers import BlenderbotConfig, BlenderbotForConditionalGeneration
from transformers.utils import logging


logging.set_verbosity_info()
__A	:	Tuple     =     logging.get_logger(__name__)

__A	:	Union[str, Any]     =     [
    ['attention', 'attn'],
    ['encoder_attention', 'encoder_attn'],
    ['q_lin', 'q_proj'],
    ['k_lin', 'k_proj'],
    ['v_lin', 'v_proj'],
    ['out_lin', 'out_proj'],
    ['norm_embeddings', 'layernorm_embedding'],
    ['position_embeddings', 'embed_positions'],
    ['embeddings', 'embed_tokens'],
    ['ffn.lin', 'fc'],
]





def      UpperCAmelCase      (		lowerCamelCase_  :Any ):







		'''simple docstring'''
		if k == "embeddings.weight":
				return "shared.weight"

		for parlai_name, hf_name in PATTERNS:
				snake_case_		:							Optional[int]			       =						k.replace(lowerCamelCase_				,      lowerCamelCase_ )

		if k.startswith("""encoder""" ):
				snake_case_		:							str			       =						k.replace(""".attn"""				,      """.self_attn""" )
				snake_case_		:							str			       =						k.replace("""norm1"""				,      """self_attn_layer_norm""" )
				snake_case_		:							List[str]			       =						k.replace("""norm2"""				,      """final_layer_norm""" )
		elif k.startswith("""decoder""" ):
				snake_case_		:							Dict			       =						k.replace("""norm1"""				,      """self_attn_layer_norm""" )
				snake_case_		:							Optional[int]			       =						k.replace("""norm2"""				,      """encoder_attn_layer_norm""" )
				snake_case_		:							Tuple			       =						k.replace("""norm3"""				,      """final_layer_norm""" )
		return k





def      UpperCAmelCase      (		lowerCamelCase_  :List[Any] ):







		'''simple docstring'''
		snake_case_		:							Dict			       =						[
		    """model.encoder.layernorm_embedding.weight""",
		    """model.encoder.layernorm_embedding.bias""",
		    """model.decoder.layernorm_embedding.weight""",
		    """model.decoder.layernorm_embedding.bias""",
		]
		for k in keys:
				snake_case_		:							str			       =						sd.pop(lowerCamelCase_ )
				snake_case_		:							Dict			       =						k.replace("""layernorm_embedding"""				,      """layer_norm""" )
				assert new_k not in sd
				snake_case_		:							Union[str, Any]			       =						v


__A	:	Dict     =     ['START']





@torch.no_grad()
def      UpperCAmelCase      (		lowerCamelCase_  :Tuple				,      lowerCamelCase_  :Optional[Any]				,      lowerCamelCase_  :Any ):







		'''simple docstring'''
		snake_case_		:							Tuple			       =						torch.load(lowerCamelCase_				,      map_location="""cpu""" )
		snake_case_		:							str			       =						model["""model"""]
		snake_case_		:							Dict			       =						BlenderbotConfig.from_json_file(lowerCamelCase_ )
		snake_case_		:							str			       =						BlenderbotForConditionalGeneration(lowerCamelCase_ )
		snake_case_		:							Tuple			       =						m.model.state_dict().keys()
		snake_case_		:							List[Any]			       =						[]
		snake_case_		:							str			       =						{}
		for k, v in sd.items():
				if k in IGNORE_KEYS:
						continue

				snake_case_		:							Any			       =						rename_state_dict_key(lowerCamelCase_ )
				if new_k not in valid_keys:
						failures.append([k, new_k] )
				else:
						snake_case_		:							int			       =						v
		if cfg.normalize_before:  # Blenderbot-3B checkpoints. Rename layernorm_embedding -> layer_norm
				rename_layernorm_keys(lowerCamelCase_ )
		m.model.load_state_dict(lowerCamelCase_				,      strict=lowerCamelCase_ )
		m.half()
		m.save_pretrained(lowerCamelCase_ )


if __name__ == "__main__":
							__A	:	Dict     =     argparse.ArgumentParser()
							# Required parameters
							parser.add_argument('--src_path', type=str, help='like blenderbot-model.bin')
							parser.add_argument('--save_dir', default='hf_blenderbot', type=str, help='Where to save converted model.')
							parser.add_argument(
							    '--hf_config_json', default='blenderbot-3b-config.json', type=str, help='Path to config to use'
							)
							__A	:	Union[str, Any]     =     parser.parse_args()
							convert_parlai_checkpoint(args.src_path, args.save_dir, args.hf_config_json)



'''simple docstring'''






import logging

import torch
from torch import nn
from torch.nn import CrossEntropyLoss, MSELoss

from transformers.file_utils import add_start_docstrings, add_start_docstrings_to_model_forward
from transformers.models.bert.modeling_bert import (
    BERT_INPUTS_DOCSTRING,
    BERT_START_DOCSTRING,
    BertEncoder,
    BertModel,
    BertPreTrainedModel,
)


__A	:	Any     =     logging.getLogger(__name__)
class 						__UpperCamelCase	(						lowercase__							):





							def 		a__   (  self		:int  ,_UpperCamelCase		:Union[str, Any]  ,_UpperCamelCase		:Optional[Any]  ,_UpperCamelCase		:List[Any]=None  ,_UpperCamelCase		:Any=None			):
									snake_case_		:							List[str]			       =						self.layer[current_layer](_UpperCamelCase  ,_UpperCamelCase  ,head_mask[current_layer]			)

									snake_case_		:							Tuple			       =						layer_outputs[0]

									return hidden_states





@add_start_docstrings(
    'The bare Bert Model transformer with PABEE outputting raw hidden-states without any specific head on top.'						,  lowercase__						,  )
class 						__UpperCamelCase	(						lowercase__							):





							def __init__(  self		:Dict  ,_UpperCamelCase		:Optional[Any]			):
									super().__init__(_UpperCamelCase			)

									snake_case_		:							List[Any]			       =						BertEncoderWithPabee(_UpperCamelCase			)

									self.init_weights()
									snake_case_		:							int			       =						0
									snake_case_		:							Optional[Any]			       =						0
									snake_case_		:							Any			       =						0

									snake_case_		:							str			       =						0





							def 		a__   (  self		:Tuple  ,_UpperCamelCase		:int			):
									snake_case_		:							Optional[Any]			       =						threshold





							def 		a__   (  self		:Optional[Any]  ,_UpperCamelCase		:Union[str, Any]			):
									snake_case_		:							str			       =						patience





							def 		a__   (  self		:Optional[int]			):
									snake_case_		:							List[str]			       =						0
									snake_case_		:							List[Any]			       =						0





							def 		a__   (  self		:List[Any]			):
									snake_case_		:							str			       =						self.inference_layers_num / self.inference_instances_num
									snake_case_		:							List[str]			       =						(
									    F'''*** Patience = {self.patience} Avg. Inference Layers = {avg_inf_layers:.2f} Speed Up ='''
									    F''' {1 - avg_inf_layers / self.config.num_hidden_layers:.2f} ***'''
									)
									print(_UpperCamelCase			)





							@add_start_docstrings_to_model_forward(_UpperCamelCase			)
							def 		a__   (  self		:Optional[Any]  ,_UpperCamelCase		:Any=None  ,_UpperCamelCase		:List[str]=None  ,_UpperCamelCase		:Any=None  ,_UpperCamelCase		:Optional[int]=None  ,_UpperCamelCase		:Optional[int]=None  ,_UpperCamelCase		:int=None  ,_UpperCamelCase		:Optional[int]=None  ,_UpperCamelCase		:Any=None  ,_UpperCamelCase		:int=None  ,_UpperCamelCase		:Union[str, Any]=None  ,_UpperCamelCase		:int=False  ,):

									if input_ids is not None and inputs_embeds is not None:
											raise ValueError("""You cannot specify both input_ids and inputs_embeds at the same time"""			)
									elif input_ids is not None:
											snake_case_		:							Any			       =						input_ids.size()
									elif inputs_embeds is not None:
											snake_case_		:							Union[str, Any]			       =						inputs_embeds.size()[:-1]
									else:
											raise ValueError("""You have to specify either input_ids or inputs_embeds"""			)

									snake_case_		:							Tuple			       =						input_ids.device if input_ids is not None else inputs_embeds.device

									if attention_mask is None:
											snake_case_		:							Any			       =						torch.ones(_UpperCamelCase  ,device=_UpperCamelCase			)
									if token_type_ids is None:
											snake_case_		:							str			       =						torch.zeros(_UpperCamelCase  ,dtype=torch.long  ,device=_UpperCamelCase			)

									# We can provide a self-attention mask of dimensions [batch_size, from_seq_length, to_seq_length]
									# ourselves in which case we just need to make it broadcastable to all heads.
									snake_case_		:							torch.Tensor			       =						self.get_extended_attention_mask(_UpperCamelCase  ,_UpperCamelCase  ,_UpperCamelCase			)

									# If a 2D ou 3D attention mask is provided for the cross-attention
									# we need to make broadcastable to [batch_size, num_heads, seq_length, seq_length]
									if self.config.is_decoder and encoder_hidden_states is not None:
											snake_case_       ,      snake_case_       ,      snake_case_		:							List[Any]			       =						encoder_hidden_states.size()
											snake_case_		:							str			       =						(encoder_batch_size, encoder_sequence_length)
											if encoder_attention_mask is None:
													snake_case_		:							List[str]			       =						torch.ones(_UpperCamelCase  ,device=_UpperCamelCase			)
											snake_case_		:							Optional[Any]			       =						self.invert_attention_mask(_UpperCamelCase			)
									else:
											snake_case_		:							List[str]			       =						None

									# Prepare head mask if needed
									# 1.0 in head_mask indicate we keep the head
									# attention_probs has shape bsz x n_heads x N x N
									# input head_mask has shape [num_heads] or [num_hidden_layers x num_heads]
									# and head_mask is converted to shape [num_hidden_layers x batch x num_heads x seq_length x seq_length]
									snake_case_		:							List[Any]			       =						self.get_head_mask(_UpperCamelCase  ,self.config.num_hidden_layers			)

									snake_case_		:							Dict			       =						self.embeddings(
									    input_ids=_UpperCamelCase  ,position_ids=_UpperCamelCase  ,token_type_ids=_UpperCamelCase  ,inputs_embeds=_UpperCamelCase			)
									snake_case_		:							Optional[int]			       =						embedding_output

									if self.training:
											snake_case_		:							Any			       =						[]
											for i in range(self.config.num_hidden_layers			):
													snake_case_		:							Any			       =						self.encoder.adaptive_forward(
													    _UpperCamelCase  ,current_layer=_UpperCamelCase  ,attention_mask=_UpperCamelCase  ,head_mask=_UpperCamelCase			)

													snake_case_		:							Dict			       =						self.pooler(_UpperCamelCase			)
													snake_case_		:							str			       =						output_layers[i](output_dropout(_UpperCamelCase			)			)
													res.append(_UpperCamelCase			)
									elif self.patience == 0:  # Use all layers for inference
											snake_case_		:							List[str]			       =						self.encoder(
											    _UpperCamelCase  ,attention_mask=_UpperCamelCase  ,head_mask=_UpperCamelCase  ,encoder_hidden_states=_UpperCamelCase  ,encoder_attention_mask=_UpperCamelCase  ,)
											snake_case_		:							int			       =						self.pooler(encoder_outputs[0]			)
											snake_case_		:							Tuple			       =						[output_layers[self.config.num_hidden_layers - 1](_UpperCamelCase			)]
									else:
											snake_case_		:							Any			       =						0
											snake_case_		:							List[str]			       =						None
											snake_case_		:							Any			       =						0
											for i in range(self.config.num_hidden_layers			):
													calculated_layer_num += 1
													snake_case_		:							Dict			       =						self.encoder.adaptive_forward(
													    _UpperCamelCase  ,current_layer=_UpperCamelCase  ,attention_mask=_UpperCamelCase  ,head_mask=_UpperCamelCase			)

													snake_case_		:							Union[str, Any]			       =						self.pooler(_UpperCamelCase			)
													snake_case_		:							Optional[Any]			       =						output_layers[i](_UpperCamelCase			)
													if regression:
															snake_case_		:							Union[str, Any]			       =						logits.detach()
															if patient_result is not None:
																	snake_case_		:							Union[str, Any]			       =						patient_result.detach()
															if (patient_result is not None) and torch.abs(patient_result - labels			) < self.regression_threshold:
																	patient_counter += 1
															else:
																	snake_case_		:							Union[str, Any]			       =						0
													else:
															snake_case_		:							Any			       =						logits.detach().argmax(dim=1			)
															if patient_result is not None:
																	snake_case_		:							str			       =						patient_result.detach().argmax(dim=1			)
															if (patient_result is not None) and torch.all(labels.eq(_UpperCamelCase			)			):
																	patient_counter += 1
															else:
																	snake_case_		:							List[str]			       =						0

													snake_case_		:							List[Any]			       =						logits
													if patient_counter == self.patience:
															break
											snake_case_		:							int			       =						[patient_result]
											self.inference_layers_num += calculated_layer_num
											self.inference_instances_num += 1

									return res





@add_start_docstrings(
    'Bert Model transformer with PABEE and a sequence classification/regression head on top (a linear layer on top of\n    the pooled output) e.g. for GLUE tasks. '						,  lowercase__						,  )
class 						__UpperCamelCase	(						lowercase__							):





							def __init__(  self		:Tuple  ,_UpperCamelCase		:List[str]			):
									super().__init__(_UpperCamelCase			)
									snake_case_		:							List[str]			       =						config.num_labels

									snake_case_		:							Dict			       =						BertModelWithPabee(_UpperCamelCase			)
									snake_case_		:							List[str]			       =						nn.Dropout(config.hidden_dropout_prob			)
									snake_case_		:							str			       =						nn.ModuleList(
									    [nn.Linear(config.hidden_size  ,self.config.num_labels			) for _ in range(config.num_hidden_layers			)]			)

									self.init_weights()





							@add_start_docstrings_to_model_forward(_UpperCamelCase			)
							def 		a__   (  self		:Union[str, Any]  ,_UpperCamelCase		:Tuple=None  ,_UpperCamelCase		:Dict=None  ,_UpperCamelCase		:Union[str, Any]=None  ,_UpperCamelCase		:Union[str, Any]=None  ,_UpperCamelCase		:Tuple=None  ,_UpperCamelCase		:int=None  ,_UpperCamelCase		:Union[str, Any]=None  ,):
									snake_case_		:							int			       =						self.bert(
									    input_ids=_UpperCamelCase  ,attention_mask=_UpperCamelCase  ,token_type_ids=_UpperCamelCase  ,position_ids=_UpperCamelCase  ,head_mask=_UpperCamelCase  ,inputs_embeds=_UpperCamelCase  ,output_dropout=self.dropout  ,output_layers=self.classifiers  ,regression=self.num_labels == 1  ,)

									snake_case_		:							Optional[int]			       =						(logits[-1],)

									if labels is not None:
											snake_case_		:							Optional[Any]			       =						None
											snake_case_		:							Optional[int]			       =						0
											for ix, logits_item in enumerate(_UpperCamelCase			):
													if self.num_labels == 1:
															#  We are doing regression
															snake_case_		:							Dict			       =						MSELoss()
															snake_case_		:							List[str]			       =						loss_fct(logits_item.view(-1			)  ,labels.view(-1			)			)
													else:
															snake_case_		:							Any			       =						CrossEntropyLoss()
															snake_case_		:							str			       =						loss_fct(logits_item.view(-1  ,self.num_labels			)  ,labels.view(-1			)			)
													if total_loss is None:
															snake_case_		:							str			       =						loss
													else:
															total_loss += loss * (ix + 1)
													total_weights += ix + 1
											snake_case_		:							str			       =						(total_loss / total_weights,) + outputs

									return outputs