from typing import Optional

import numpy as np
import torch
from torch import nn
from transformers import GPTaConfig, GPTaLMHeadModel
from transformers.modeling_utils import ModuleUtilsMixin

from ...configuration_utils import ConfigMixin, register_to_config
from ...models import ModelMixin



class  SCREAMING_SNAKE_CASE_ (					lowerCAmelCase_   ,						lowerCAmelCase_   ,						lowerCAmelCase_			):
  '''simple docstring'''


  lowercase		:     Tuple            =				[r"h\.\d+\.attn\.bias", r"h\.\d+\.attn\.masked_bias"]







  @register_to_config
  def __init__(				self    :					Any      ,	SCREAMING_SNAKE_CASE__    :					int      ,	SCREAMING_SNAKE_CASE__    :					int      ,	SCREAMING_SNAKE_CASE__    :					Optional[int] = None      ,	SCREAMING_SNAKE_CASE__    :					int = 5_02_57      ,	SCREAMING_SNAKE_CASE__    :					int = 10_24      ,	SCREAMING_SNAKE_CASE__    :					int = 7_68      ,	SCREAMING_SNAKE_CASE__    :					int = 12      ,	SCREAMING_SNAKE_CASE__    :					int = 12      ,	SCREAMING_SNAKE_CASE__    :					Optional[int] = None      ,	SCREAMING_SNAKE_CASE__    :					str = "gelu_new"      ,	SCREAMING_SNAKE_CASE__    :					float = 0.1      ,	SCREAMING_SNAKE_CASE__    :					float = 0.1      ,	SCREAMING_SNAKE_CASE__    :					float = 0.1      ,	SCREAMING_SNAKE_CASE__    :					float = 1e-5      ,	SCREAMING_SNAKE_CASE__    :					float = 0.0_2      ,	SCREAMING_SNAKE_CASE__    :					bool = True      ,	SCREAMING_SNAKE_CASE__    :					bool = True      ,	SCREAMING_SNAKE_CASE__    :					bool = False      ,	SCREAMING_SNAKE_CASE__    :					bool = False      ,	)    ->				List[str]:
         super().__init__()

         A						:     str         =prefix_length

         if prefix_inner_dim != n_embd and prefix_hidden_dim is None:
                raise ValueError(
                    f'`prefix_hidden_dim` cannot be `None` when `prefix_inner_dim`: {prefix_hidden_dim} and'
                    f' `n_embd`: {n_embd} are not equal.'     )

         A						:     List[Any]         =prefix_inner_dim
         A						:     Dict         =prefix_hidden_dim

         A						:     List[str]         =(
             nn.Linear(self.prefix_inner_dim      ,	self.prefix_hidden_dim     )
             if self.prefix_hidden_dim is not None
             else nn.Identity()
         )
         A						:     Optional[int]         =(
             nn.Linear(self.prefix_hidden_dim      ,	SCREAMING_SNAKE_CASE__     ) if self.prefix_hidden_dim is not None else nn.Identity()
         )

         A						:     Dict         =GPTaConfig(
             vocab_size=SCREAMING_SNAKE_CASE__      ,	n_positions=SCREAMING_SNAKE_CASE__      ,	n_embd=SCREAMING_SNAKE_CASE__      ,	n_layer=SCREAMING_SNAKE_CASE__      ,	n_head=SCREAMING_SNAKE_CASE__      ,	n_inner=SCREAMING_SNAKE_CASE__      ,	activation_function=SCREAMING_SNAKE_CASE__      ,	resid_pdrop=SCREAMING_SNAKE_CASE__      ,	embd_pdrop=SCREAMING_SNAKE_CASE__      ,	attn_pdrop=SCREAMING_SNAKE_CASE__      ,	layer_norm_epsilon=SCREAMING_SNAKE_CASE__      ,	initializer_range=SCREAMING_SNAKE_CASE__      ,	scale_attn_weights=SCREAMING_SNAKE_CASE__      ,	use_cache=SCREAMING_SNAKE_CASE__      ,	scale_attn_by_inverse_layer_idx=SCREAMING_SNAKE_CASE__      ,	reorder_and_upcast_attn=SCREAMING_SNAKE_CASE__      ,	)
         A						:     Dict         =GPTaLMHeadModel(SCREAMING_SNAKE_CASE__     )







  def 		SCREAMING_SNAKE_CASE_		(				self    :					List[Any]      ,	SCREAMING_SNAKE_CASE__    :					torch.Tensor      ,	SCREAMING_SNAKE_CASE__    :					torch.Tensor      ,	SCREAMING_SNAKE_CASE__    :					Optional[torch.Tensor] = None      ,	SCREAMING_SNAKE_CASE__    :					Optional[torch.Tensor] = None      ,	)    ->				Optional[Any]:
         A						:     str         =self.transformer.transformer.wte(SCREAMING_SNAKE_CASE__     )
         A						:     Any         =self.encode_prefix(SCREAMING_SNAKE_CASE__     )
         A						:     Optional[Any]         =self.decode_prefix(SCREAMING_SNAKE_CASE__     )
         A						:     Optional[int]         =torch.cat((prefix_embeds, embedding_text)      ,	dim=1     )

         if labels is not None:
                A						:     int         =self.get_dummy_token(input_ids.shape[0]      ,	input_ids.device     )
                A						:     Optional[int]         =torch.cat((dummy_token, input_ids)      ,	dim=1     )
         A						:     Dict         =self.transformer(inputs_embeds=SCREAMING_SNAKE_CASE__      ,	labels=SCREAMING_SNAKE_CASE__      ,	attention_mask=SCREAMING_SNAKE_CASE__     )
         if self.prefix_hidden_dim is not None:
                return out, hidden
         else:
                return out







  def 		SCREAMING_SNAKE_CASE_		(				self    :					List[str]      ,	SCREAMING_SNAKE_CASE__    :					int      ,	SCREAMING_SNAKE_CASE__    :					torch.device     )    ->				torch.Tensor:
         return torch.zeros(SCREAMING_SNAKE_CASE__      ,	self.prefix_length      ,	dtype=torch.intaa      ,	device=SCREAMING_SNAKE_CASE__     )







  def 		SCREAMING_SNAKE_CASE_		(				self    :					Union[str, Any]      ,	SCREAMING_SNAKE_CASE__    :					Optional[int]     )    ->				List[str]:
         return self.encode_prefix(SCREAMING_SNAKE_CASE__     )







  @torch.no_grad()
  def 		SCREAMING_SNAKE_CASE_		(				self    :					List[Any]      ,	SCREAMING_SNAKE_CASE__    :					List[str]      ,	SCREAMING_SNAKE_CASE__    :					Union[str, Any]      ,	SCREAMING_SNAKE_CASE__    :					Any     )    ->				Dict:
         A						:     Dict         =torch.split(SCREAMING_SNAKE_CASE__      ,	1      ,	dim=0     )
         A						:     int         =[]
         A						:     Optional[int]         =[]
         for feature in features:
                A						:     int         =self.decode_prefix(feature.to(SCREAMING_SNAKE_CASE__     )     )  # back to the clip feature
                # Only support beam search for now
                A						:     Dict         =self.generate_beam(
                    input_embeds=SCREAMING_SNAKE_CASE__      ,	device=SCREAMING_SNAKE_CASE__      ,	eos_token_id=SCREAMING_SNAKE_CASE__     )
                generated_tokens.append(output_tokens[0]     )
                generated_seq_lengths.append(seq_lengths[0]     )
         A						:     str         =torch.stack(SCREAMING_SNAKE_CASE__     )
         A						:     int         =torch.stack(SCREAMING_SNAKE_CASE__     )
         return generated_tokens, generated_seq_lengths







  @torch.no_grad()
  def 		SCREAMING_SNAKE_CASE_		(				self    :					Optional[int]      ,	SCREAMING_SNAKE_CASE__    :					Union[str, Any]=None      ,	SCREAMING_SNAKE_CASE__    :					List[Any]=None      ,	SCREAMING_SNAKE_CASE__    :					Tuple=None      ,	SCREAMING_SNAKE_CASE__    :					int = 5      ,	SCREAMING_SNAKE_CASE__    :					int = 67      ,	SCREAMING_SNAKE_CASE__    :					float = 1.0      ,	SCREAMING_SNAKE_CASE__    :					Optional[int] = None      ,	)    ->				Dict:
         A						:     Dict         =eos_token_id
         A						:     str         =None
         A						:     List[Any]         =None
         A						:     List[Any]         =torch.ones(SCREAMING_SNAKE_CASE__      ,	device=SCREAMING_SNAKE_CASE__      ,	dtype=torch.int     )
         A						:     str         =torch.zeros(SCREAMING_SNAKE_CASE__      ,	device=SCREAMING_SNAKE_CASE__      ,	dtype=torch.bool     )

         if input_embeds is not None:
                A						:     Any         =input_embeds
         else:
                A						:     List[Any]         =self.transformer.transformer.wte(SCREAMING_SNAKE_CASE__     )

         for i in range(SCREAMING_SNAKE_CASE__     ):
                A						:     Any         =self.transformer(inputs_embeds=SCREAMING_SNAKE_CASE__     )
                A						:     str         =outputs.logits
                A						:     Union[str, Any]         =logits[:, -1, :] / (temperature if temperature > 0 else 1.0)
                A						:     List[str]         =logits.softmax(-1     ).log()

                if scores is None:
                       A						:     Any         =logits.topk(SCREAMING_SNAKE_CASE__      ,	-1     )
                       A						:     Any         =generated.expand(SCREAMING_SNAKE_CASE__      ,	*generated.shape[1:]     )
                       A						:     Tuple         =next_tokens.permute(1      ,	0     ), scores.squeeze(0     )
                       if tokens is None:
                              A						:     Union[str, Any]         =next_tokens
                       else:
                              A						:     str         =tokens.expand(SCREAMING_SNAKE_CASE__      ,	*tokens.shape[1:]     )
                              A						:     Optional[int]         =torch.cat((tokens, next_tokens)      ,	dim=1     )
                else:
                       A						:     Optional[Any]         =-float(np.inf     )
                       A						:     Tuple         =0
                       A						:     Optional[Any]         =scores[:, None] + logits
                       seq_lengths[~is_stopped] += 1
                       A						:     int         =scores_sum / seq_lengths[:, None]
                       A						:     Optional[int]         =scores_sum_average.view(-1     ).topk(SCREAMING_SNAKE_CASE__      ,	-1     )
                       A						:     Dict         =next_tokens // scores_sum.shape[1]
                       A						:     Optional[Any]         =seq_lengths[next_tokens_source]
                       A						:     Tuple         =next_tokens % scores_sum.shape[1]
                       A						:     Optional[Any]         =next_tokens.unsqueeze(1     )
                       A						:     Optional[Any]         =tokens[next_tokens_source]
                       A						:     Any         =torch.cat((tokens, next_tokens)      ,	dim=1     )
                       A						:     List[str]         =generated[next_tokens_source]
                       A						:     List[Any]         =scores_sum_average * seq_lengths
                       A						:     Optional[Any]         =is_stopped[next_tokens_source]

                A						:     Optional[int]         =self.transformer.transformer.wte(next_tokens.squeeze()     ).view(generated.shape[0]      ,	1      ,	-1     )
                A						:     Any         =torch.cat((generated, next_token_embed)      ,	dim=1     )
                A						:     Optional[int]         =is_stopped + next_tokens.eq(SCREAMING_SNAKE_CASE__     ).squeeze()
                if is_stopped.all():
                       break

         A						:     Optional[Any]         =scores / seq_lengths
         A						:     str         =scores.argsort(descending=SCREAMING_SNAKE_CASE__     )
         # tokens tensors are already padded to max_seq_length
         A						:     Optional[Any]         =[tokens[i] for i in order]
         A						:     Any         =torch.stack(SCREAMING_SNAKE_CASE__      ,	dim=0     )
         A						:     str         =torch.tensor([seq_lengths[i] for i in order]      ,	dtype=seq_lengths.dtype     )
         return output_texts, seq_lengths







import argparse
import json
import os
import re
import shutil

import torch

from transformers import BioGptConfig, BioGptForCausalLM
from transformers.models.biogpt.tokenization_biogpt import VOCAB_FILES_NAMES
from transformers.tokenization_utils_base import TOKENIZER_CONFIG_FILE
from transformers.utils import WEIGHTS_NAME, logging


logging.set_verbosity_warning()

_lowercase							:      int      							=2



class  SCREAMING_SNAKE_CASE_ :
  '''simple docstring'''


  def __init__(				self    :					List[Any]      ,	*,  # begin keyword-only arguments
      SCREAMING_SNAKE_CASE__    :					List[Any]="<s>"      ,	SCREAMING_SNAKE_CASE__    :					Optional[int]="<pad>"      ,	SCREAMING_SNAKE_CASE__    :					List[str]="</s>"      ,	SCREAMING_SNAKE_CASE__    :					Optional[Any]="<unk>"      ,	SCREAMING_SNAKE_CASE__    :					int=None      ,	)    ->				List[Any]:
         A  ,  A  ,  A  ,  A						:     Optional[Any]         =bos, unk, pad, eos
         A						:     Dict         =[]
         A						:     Union[str, Any]         =[]
         A						:     Any         ={}
         A						:     int         =self.add_symbol(SCREAMING_SNAKE_CASE__     )
         A						:     Any         =self.add_symbol(SCREAMING_SNAKE_CASE__     )
         A						:     List[Any]         =self.add_symbol(SCREAMING_SNAKE_CASE__     )
         A						:     List[str]         =self.add_symbol(SCREAMING_SNAKE_CASE__     )
         if extra_special_symbols:
                for s in extra_special_symbols:
                       self.add_symbol(SCREAMING_SNAKE_CASE__     )
         A						:     List[str]         =len(self.symbols     )







  def __eq__(				self    :					Optional[Any]      ,	SCREAMING_SNAKE_CASE__    :					List[str]     )    ->				str:
         return self.indices == other.indices







  def __getitem__(				self    :					int      ,	SCREAMING_SNAKE_CASE__    :					List[Any]     )    ->				List[Any]:
         if idx < len(self.symbols     ):
                return self.symbols[idx]
         return self.unk_word







  def __len__(				self    :					List[Any]     )    ->				Union[str, Any]:
         return len(self.symbols     )







  def __contains__(				self    :					Dict      ,	SCREAMING_SNAKE_CASE__    :					List[Any]     )    ->				Tuple:
         return sym in self.indices







  @classmethod
  def 		SCREAMING_SNAKE_CASE_		(				cls    :					List[Any]      ,	SCREAMING_SNAKE_CASE__    :					int     )    ->				Any:
         A						:     Union[str, Any]         =cls()
         d.add_from_file(SCREAMING_SNAKE_CASE__     )
         return d







  def 		SCREAMING_SNAKE_CASE_		(				self    :					Tuple      ,	SCREAMING_SNAKE_CASE__    :					str      ,	SCREAMING_SNAKE_CASE__    :					Any=1      ,	SCREAMING_SNAKE_CASE__    :					Optional[Any]=False     )    ->				Any:
         if word in self.indices and not overwrite:
                A						:     int         =self.indices[word]
                A						:     Union[str, Any]         =self.count[idx] + n
                return idx
         else:
                A						:     Tuple         =len(self.symbols     )
                A						:     str         =idx
                self.symbols.append(SCREAMING_SNAKE_CASE__     )
                self.count.append(SCREAMING_SNAKE_CASE__     )
                return idx







  def 		SCREAMING_SNAKE_CASE_		(				self    :					Any      ,	SCREAMING_SNAKE_CASE__    :					List[Any]     )    ->				Optional[Any]:
         return 0







  def 		SCREAMING_SNAKE_CASE_		(				self    :					Any      ,	SCREAMING_SNAKE_CASE__    :					List[str]     )    ->				Optional[Any]:
         if isinstance(SCREAMING_SNAKE_CASE__      ,	SCREAMING_SNAKE_CASE__     ):
                try:
                       with open(SCREAMING_SNAKE_CASE__      ,	'r'      ,	encoding='utf-8'     ) as fd:
                              self.add_from_file(SCREAMING_SNAKE_CASE__     )
                except FileNotFoundError as fnfe:
                       raise fnfe
                except UnicodeError:
                       raise Exception('Incorrect encoding detected in {}, please rebuild the dataset'.format(SCREAMING_SNAKE_CASE__     )     )
                return

         A						:     str         =f.readlines()
         A						:     int         =self._load_meta(SCREAMING_SNAKE_CASE__     )

         for line in lines[indices_start_line:]:
                try:
                       A  ,  A						:     Optional[int]         =line.rstrip().rsplit(' '      ,	1     )
                       if field == "#fairseq:overwrite":
                              A						:     int         =True
                              A  ,  A						:     Optional[Any]         =line.rsplit(' '      ,	1     )
                       else:
                              A						:     Any         =False
                       A						:     Tuple         =int(SCREAMING_SNAKE_CASE__     )
                       A						:     Optional[int]         =line
                       if word in self and not overwrite:
                              raise RuntimeError(
                                  'Duplicate word found when loading Dictionary: \'{}\'. '
                                  'Duplicate words can overwrite earlier ones by adding the '
                                  '#fairseq:overwrite flag at the end of the corresponding row '
                                  'in the dictionary file. If using the Camembert model, please '
                                  'download an updated copy of the model file.'.format(SCREAMING_SNAKE_CASE__     )     )
                       self.add_symbol(SCREAMING_SNAKE_CASE__      ,	n=SCREAMING_SNAKE_CASE__      ,	overwrite=SCREAMING_SNAKE_CASE__     )
                except ValueError:
                       raise ValueError('Incorrect dictionary format, expected \'<token> <cnt> [flags]\''     )







def A__  (			lowercase:     Union[str, Any]					)				->		str:
       # (1) remove word breaking symbol, (2) add word ending symbol where the word is not broken up,
       # e.g.: d = {'le@@': 5, 'tt@@': 6, 'er': 7} => {'le': 5, 'tt': 6, 'er</w>': 7}
       A						:     int         =dict((re.sub(r'@@$',		'',		lowercase					), v) if k.endswith('@@'					) else (re.sub(r'$',		'</w>',		lowercase					), v) for k, v in d.items()					)
       A						:     int         ='<s> <pad> </s> <unk>'.split()
       # restore the special tokens
       for k in keep_keys:
              del da[F'{k}</w>']
              A						:     List[Any]         =d[k]  # restore
       return da



def A__  (			lowercase:     Optional[int],		lowercase:     Optional[Any]					)				->		str:
       # prep
       if not os.path.exists(lowercase					):
              raise ValueError(F'path {biogpt_checkpoint_path} does not exist!'					)
       os.makedirs(lowercase,		exist_ok=lowercase					)
       print(F'Writing results to {pytorch_dump_folder_path}'					)

       # handle various types of models

       A						:     List[str]         =os.path.join(lowercase,		'checkpoint.pt'					)
       if not os.path.isfile(lowercase					):
              raise ValueError(F'path to the file {checkpoint_file} does not exist!'					)
       A						:     Optional[Any]         =torch.load(lowercase,		map_location='cpu'					)

       A						:     Any         =chkpt['cfg']['model']

       # dicts
       A						:     Any         =os.path.join(lowercase,		'dict.txt'					)
       if not os.path.isfile(lowercase					):
              raise ValueError(F'path to the file {dict_file} does not exist!'					)
       A						:     Dict         =Dictionary.load(lowercase					)
       A						:     Optional[Any]         =rewrite_dict_keys(src_dict.indices					)
       A						:     Tuple         =len(lowercase					)
       A						:     Any         =os.path.join(lowercase,		VOCAB_FILES_NAMES['vocab_file']					)
       print(F'Generating {src_vocab_file} of {src_vocab_size} records'					)
       with open(lowercase,		'w',		encoding='utf-8'					) as f:
              f.write(json.dumps(lowercase,		ensure_ascii=lowercase,		indent=lowercase					)					)

       # merges_file (bpecodes)
       A						:     List[str]         =os.path.join(lowercase,		'bpecodes'					)
       if not os.path.isfile(lowercase					):
              raise ValueError(F'path to the file {bpecodes_file} does not exist!'					)

       A						:     List[str]         =os.path.join(lowercase,		VOCAB_FILES_NAMES['merges_file']					)
       shutil.copyfile(lowercase,		lowercase					)

       # model config
       A						:     Tuple         =os.path.join(lowercase,		'config.json'					)

       A						:     Tuple         ={
           'activation_dropout': args['activation_dropout'],
           'architectures': ['BioGptForCausalLM'],
           'attention_probs_dropout_prob': args['attention_dropout'],
           'bos_token_id': 0,
           'eos_token_id': 2,
           'hidden_act': args['activation_fn'],
           'hidden_dropout_prob': args['dropout'],
           'hidden_size': args['decoder_embed_dim'],
           'initializer_range': 0.02,
           'intermediate_size': args['decoder_ffn_embed_dim'],
           'layer_norm_eps': 1e-1_2,
           'layerdrop': args['decoder_layerdrop'],
           'max_position_embeddings': args['max_target_positions'],
           'model_type': 'biogpt',
           'num_attention_heads': args['decoder_attention_heads'],
           'num_hidden_layers': args['decoder_layers'],
           'pad_token_id': 1,
           'scale_embedding': not args['no_scale_embedding'],
           'tie_word_embeddings': args['share_decoder_input_output_embed'],
           'vocab_size': src_vocab_size,
       }

       # good hparam defaults to start with

       print(F'Generating {biogpt_model_config_file}'					)
       with open(lowercase,		'w',		encoding='utf-8'					) as f:
              f.write(json.dumps(lowercase,		ensure_ascii=lowercase,		indent=lowercase					)					)

       # tokenizer config
       A						:     int         =os.path.join(lowercase,		lowercase					)

       A						:     List[str]         ={
           'bos_token': '<s>',
           'eos_token': '</s>',
           'model_max_length': 1_024,
           'pad_token': '<pad>',
           'special_tokens_map_file': None,
           'tokenizer_class': 'BioGptTokenizer',
           'unk_token': '<unk>',
       }

       print(F'Generating {biogpt_tokenizer_config_file}'					)
       with open(lowercase,		'w',		encoding='utf-8'					) as f:
              f.write(json.dumps(lowercase,		ensure_ascii=lowercase,		indent=lowercase					)					)

       # model
       A						:     List[Any]         =chkpt['model']

       # remove unneeded keys
       A						:     List[Any]         =[
           'decoder.version',
       ]
       for k in ignore_keys:
              model_state_dict.pop(lowercase,		lowercase					)

       A						:     str         =list(model_state_dict.keys()					)
       for layer_name in layer_names:
              if layer_name.endswith('output_projection.weight'					):
                     A						:     Union[str, Any]         =model_state_dict.pop(lowercase					)
              else:
                     A						:     List[str]         =model_state_dict.pop(lowercase					)

       A						:     Any         =BioGptConfig.from_pretrained(lowercase					)
       A						:     str         =BioGptForCausalLM(lowercase					)

       # check that it loads ok
       model_new.load_state_dict(lowercase					)

       # save
       A						:     Tuple         =os.path.join(lowercase,		lowercase					)
       print(F'Generating {pytorch_weights_dump_path}'					)
       torch.save(lowercase,		lowercase					)

       print('Conversion is done!'					)


if __name__ == "__main__":
    _lowercase							:      Union[str, Any]      							=argparse.ArgumentParser()
    # Required parameters
    parser.add_argument(
        '''--biogpt_checkpoint_path''',
        default=None,
        type=str,
        required=True,
        help=(
            '''Path to the official PyTorch checkpoint file which is expected to reside in the dump dir with dicts,'''
            ''' bpecodes, etc.'''
        ),
    )
    parser.add_argument(
        '''--pytorch_dump_folder_path''', default=None, type=str, required=True, help='''Path to the output PyTorch model.'''
    )
    _lowercase							:      List[Any]      							=parser.parse_args()
    convert_biogpt_checkpoint_to_pytorch(args.biogpt_checkpoint_path, args.pytorch_dump_folder_path)






