import argparse

import torch

from transformers import MraConfig, MraForMaskedLM





def 	lowerCAmelCase_			(					__lowerCAmelCase    )->	Optional[int]:






      '''simple docstring'''





      if "model" in orig_key:
            UpperCAmelCase     :			Dict     	=orig_key.replace('''model.'''		,       ''''''    )
      if "norm1" in orig_key:
            UpperCAmelCase     :			List[str]     	=orig_key.replace('''norm1'''		,       '''attention.output.LayerNorm'''    )
      if "norm2" in orig_key:
            UpperCAmelCase     :			Optional[Any]     	=orig_key.replace('''norm2'''		,       '''output.LayerNorm'''    )
      if "norm" in orig_key:
            UpperCAmelCase     :			Any     	=orig_key.replace('''norm'''		,       '''LayerNorm'''    )
      if "transformer" in orig_key:
            UpperCAmelCase     :			int     	=orig_key.split('''.'''    )[0].split('''_'''    )[-1]
            UpperCAmelCase     :			Optional[Any]     	=orig_key.replace(f'''transformer_{layer_num}'''		,       f'''encoder.layer.{layer_num}'''    )
      if "mha.attn" in orig_key:
            UpperCAmelCase     :			List[Any]     	=orig_key.replace('''mha.attn'''		,       '''attention.self'''    )
      if "mha" in orig_key:
            UpperCAmelCase     :			str     	=orig_key.replace('''mha'''		,       '''attention'''    )
      if "W_q" in orig_key:
            UpperCAmelCase     :			Optional[int]     	=orig_key.replace('''W_q'''		,       '''self.query'''    )
      if "W_k" in orig_key:
            UpperCAmelCase     :			Optional[Any]     	=orig_key.replace('''W_k'''		,       '''self.key'''    )
      if "W_v" in orig_key:
            UpperCAmelCase     :			List[str]     	=orig_key.replace('''W_v'''		,       '''self.value'''    )
      if "ff.0" in orig_key:
            UpperCAmelCase     :			str     	=orig_key.replace('''ff.0'''		,       '''intermediate.dense'''    )
      if "ff.2" in orig_key:
            UpperCAmelCase     :			Optional[Any]     	=orig_key.replace('''ff.2'''		,       '''output.dense'''    )
      if "ff" in orig_key:
            UpperCAmelCase     :			Optional[Any]     	=orig_key.replace('''ff'''		,       '''output.dense'''    )
      if "mlm_class" in orig_key:
            UpperCAmelCase     :			List[Any]     	=orig_key.replace('''mlm.mlm_class'''		,       '''cls.predictions.decoder'''    )
      if "mlm" in orig_key:
            UpperCAmelCase     :			List[str]     	=orig_key.replace('''mlm'''		,       '''cls.predictions.transform'''    )
      if "backbone.backbone.encoders" in orig_key:
            UpperCAmelCase     :			Union[str, Any]     	=orig_key.replace('''backbone.backbone.encoders'''		,       '''encoder.layer'''    )
      if "cls" not in orig_key:
            UpperCAmelCase     :			Optional[Any]     	='''mra.''' + orig_key

      return orig_key





def 	lowerCAmelCase_			(					__lowerCAmelCase		,       __lowerCAmelCase    )->	List[Any]:






      '''simple docstring'''





      for key in orig_state_dict.copy().keys():
            UpperCAmelCase     :			Union[str, Any]     	=orig_state_dict.pop(__lowerCAmelCase    )

            if ("pooler" in key) or ("sen_class" in key):
                  continue
            else:
                  UpperCAmelCase     :			Union[str, Any]     	=val

      UpperCAmelCase     :			Any     	=orig_state_dict['''cls.predictions.decoder.bias''']
      UpperCAmelCase     :			str     	=torch.arange(__lowerCAmelCase    ).expand((1, -1)    ) + 2

      return orig_state_dict





def 	lowerCAmelCase_			(					__lowerCAmelCase		,       __lowerCAmelCase		,       __lowerCAmelCase    )->	Optional[Any]:






      '''simple docstring'''





      UpperCAmelCase     :			Union[str, Any]     	=torch.load(__lowerCAmelCase		,       map_location='''cpu'''    )['''model_state_dict''']
      UpperCAmelCase     :			Optional[int]     	=MraConfig.from_json_file(__lowerCAmelCase    )
      UpperCAmelCase     :			List[Any]     	=MraForMaskedLM(__lowerCAmelCase    )

      UpperCAmelCase     :			Optional[int]     	=convert_checkpoint_helper(config.max_position_embeddings		,       __lowerCAmelCase    )

      print(model.load_state_dict(__lowerCAmelCase    )    )
      model.eval()
      model.save_pretrained(__lowerCAmelCase    )

      print(f'''Checkpoint successfuly converted. Model saved at {pytorch_dump_path}'''    )


if __name__ == "__main__":
     __snake_case         =     argparse.ArgumentParser()
     # Required parameters
     parser.add_argument(
         '''--pytorch_model_path''', default=None, type=str, required=True, help='''Path to Mra pytorch checkpoint.'''
     )
     parser.add_argument(
         '''--config_file''',
         default=None,
         type=str,
         required=True,
         help='''The json file for Mra model config.''',
     )
     parser.add_argument(
         '''--pytorch_dump_path''', default=None, type=str, required=True, help='''Path to the output PyTorch model.'''
     )
     __snake_case         =     parser.parse_args()
     convert_mra_checkpoint(args.pytorch_model_path, args.config_file, args.pytorch_dump_path)







import argparse
import pathlib

import fairseq
import torch
from fairseq.models.roberta import RobertaModel as FairseqRobertaModel
from fairseq.modules import TransformerSentenceEncoderLayer
from packaging import version

from transformers import RobertaConfig, RobertaForMaskedLM, RobertaForSequenceClassification
from transformers.models.bert.modeling_bert import (
    BertIntermediate,
    BertLayer,
    BertOutput,
    BertSelfAttention,
    BertSelfOutput,
)
from transformers.utils import logging


if version.parse(fairseq.__version__) < version.parse("0.9.0"):
						raise Exception("requires fairseq >= 0.9.0")


logging.set_verbosity_info()
A_        =  logging.get_logger(__name__)

A_        =  "Hello world! cécé herlolip"





def  __UpperCamelCase   (     a,  a,  a)			->Any:
					lowerCamelCase__      =							FairseqRobertaModel.from_pretrained(a)
					roberta.eval()  # disable dropout
					lowerCamelCase__      =							roberta.model.encoder.sentence_encoder
					lowerCamelCase__      =							RobertaConfig(
					    vocab_size=roberta_sent_encoder.embed_tokens.num_embeddings,  hidden_size=roberta.args.encoder_embed_dim,  num_hidden_layers=roberta.args.encoder_layers,  num_attention_heads=roberta.args.encoder_attention_heads,  intermediate_size=roberta.args.encoder_ffn_embed_dim,  max_position_embeddings=514,  type_vocab_size=1,  layer_norm_eps=1E-5,  )
					if classification_head:
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"].out_proj.weight.shape[0]
					print("Our BERT config:",  a)

					lowerCamelCase__      =							RobertaForSequenceClassification(a) if classification_head else RobertaForMaskedLM(a)
					model.eval()

					# Now let's copy all the weights.
					# Embeddings
					lowerCamelCase__      =							roberta_sent_encoder.embed_tokens.weight
					lowerCamelCase__      =							roberta_sent_encoder.embed_positions.weight
					lowerCamelCase__      =							torch.zeros_like(
					    model.roberta.embeddings.token_type_embeddings.weight)  # just zero them out b/c RoBERTa doesn't use them.
					lowerCamelCase__      =							roberta_sent_encoder.emb_layer_norm.weight
					lowerCamelCase__      =							roberta_sent_encoder.emb_layer_norm.bias

					for i in range(config.num_hidden_layers):
										# Encoder: start of layer
										lowerCamelCase__      =							model.roberta.encoder.layer[i]
										lowerCamelCase__      =							roberta_sent_encoder.layers[i]

										# self attention
										lowerCamelCase__      =							layer.attention.self
										assert (
										    roberta_layer.self_attn.k_proj.weight.data.shape
										    == roberta_layer.self_attn.q_proj.weight.data.shape
										    == roberta_layer.self_attn.v_proj.weight.data.shape
										    == torch.Size((config.hidden_size, config.hidden_size))
										)

										lowerCamelCase__      =							roberta_layer.self_attn.q_proj.weight
										lowerCamelCase__      =							roberta_layer.self_attn.q_proj.bias
										lowerCamelCase__      =							roberta_layer.self_attn.k_proj.weight
										lowerCamelCase__      =							roberta_layer.self_attn.k_proj.bias
										lowerCamelCase__      =							roberta_layer.self_attn.v_proj.weight
										lowerCamelCase__      =							roberta_layer.self_attn.v_proj.bias

										# self-attention output
										lowerCamelCase__      =							layer.attention.output
										assert self_output.dense.weight.shape == roberta_layer.self_attn.out_proj.weight.shape
										lowerCamelCase__      =							roberta_layer.self_attn.out_proj.weight
										lowerCamelCase__      =							roberta_layer.self_attn.out_proj.bias
										lowerCamelCase__      =							roberta_layer.self_attn_layer_norm.weight
										lowerCamelCase__      =							roberta_layer.self_attn_layer_norm.bias

										# intermediate
										lowerCamelCase__      =							layer.intermediate
										assert intermediate.dense.weight.shape == roberta_layer.fca.weight.shape
										lowerCamelCase__      =							roberta_layer.fca.weight
										lowerCamelCase__      =							roberta_layer.fca.bias

										# output
										lowerCamelCase__      =							layer.output
										assert bert_output.dense.weight.shape == roberta_layer.fca.weight.shape
										lowerCamelCase__      =							roberta_layer.fca.weight
										lowerCamelCase__      =							roberta_layer.fca.bias
										lowerCamelCase__      =							roberta_layer.final_layer_norm.weight
										lowerCamelCase__      =							roberta_layer.final_layer_norm.bias
										# end of layer

					if classification_head:
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"].dense.weight
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"].dense.bias
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"].out_proj.weight
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"].out_proj.bias
					else:
										# LM Head
										lowerCamelCase__      =							roberta.model.encoder.lm_head.dense.weight
										lowerCamelCase__      =							roberta.model.encoder.lm_head.dense.bias
										lowerCamelCase__      =							roberta.model.encoder.lm_head.layer_norm.weight
										lowerCamelCase__      =							roberta.model.encoder.lm_head.layer_norm.bias
										lowerCamelCase__      =							roberta.model.encoder.lm_head.weight
										lowerCamelCase__      =							roberta.model.encoder.lm_head.bias

					# Let's check that we get the same results.
					lowerCamelCase__      =							roberta.encode(a).unsqueeze(0)  # batch of size 1

					lowerCamelCase__      =							model(a)[0]
					if classification_head:
										lowerCamelCase__      =							roberta.model.classification_heads["mnli"](roberta.extract_features(a))
					else:
										lowerCamelCase__      =							roberta.model(a)[0]
					print(our_output.shape,  their_output.shape)
					lowerCamelCase__      =							torch.max(torch.abs(our_output - their_output)).item()
					print(f"max_absolute_diff = {max_absolute_diff}")  # ~ 1e-7
					lowerCamelCase__      =							torch.allclose(a,  a,  atol=1E-3)
					print("Do both models output the same tensors?",  "🔥" if success else "💩")
					if not success:
										raise Exception("Something went wRoNg")

					pathlib.Path(a).mkdir(parents=a,  exist_ok=a)
					print(f"Saving model to {pytorch_dump_folder_path}")
					model.save_pretrained(a)


if __name__ == "__main__":
						A_        =  argparse.ArgumentParser()
						# Required parameters
						parser.add_argument(
						    "--roberta_checkpoint_path", default=None, type=str, required=True, help="Path the official PyTorch dump."
						)
						parser.add_argument(
						    "--pytorch_dump_folder_path", default=None, type=str, required=True, help="Path to the output PyTorch model."
						)
						parser.add_argument(
						    "--classification_head", action="store_true", help="Whether to convert a final classification head."
						)
						A_        =  parser.parse_args()
						convert_roberta_checkpoint_to_pytorch(
						    args.roberta_checkpoint_path, args.pytorch_dump_folder_path, args.classification_head
						)

