


import logging

import torch
from accelerate import Accelerator
from arguments import EvaluationArguments
from datasets import load_dataset
from torch.utils.data import IterableDataset
from torch.utils.data.dataloader import DataLoader

from transformers import AutoModelForCausalLM, AutoTokenizer, HfArgumentParser, set_seed






class    UpperCAmelCase__	( A_		):



    """simple docstring"""






    def __init__(      self ,       A_ ,       A_ ,       A_=1024 ,       A_=1024 ,       A_=3.6   )  ->	Tuple:
         __UpperCamelCase   							=tokenizer
         __UpperCamelCase   							=tokenizer.bos_token_id
         __UpperCamelCase   							=dataset
         __UpperCamelCase   							=seq_length
         __UpperCamelCase   							=seq_length * chars_per_token * num_of_sequences






    def __iter__(      self   )  ->	Optional[Any]:
         __UpperCamelCase   							=iter(self.dataset   )
         __UpperCamelCase   							=True
         while more_examples:
              __UpperCamelCase							,				__UpperCamelCase   							=[], 0
              while True:
                   if buffer_len >= self.input_characters:
                        break
                   try:
                        buffer.append(next(A_   )['content']   )
                        buffer_len += len(buffer[-1]   )
                   except StopIteration:
                        __UpperCamelCase   							=False
                        break
              __UpperCamelCase   							=tokenizer(A_ ,       truncation=A_   )['input_ids']
              __UpperCamelCase   							=[]
              for tokenized_input in tokenized_inputs:
                   all_token_ids.extend(tokenized_input + [self.concat_token_id]   )
              for i in range(0 ,       len(A_   ) ,       self.seq_length   ):
                   __UpperCamelCase   							=all_token_ids[i : i + self.seq_length]
                   if len(A_   ) == self.seq_length:
                        yield torch.tensor(A_   )

def 						_UpperCAmelCase    (      SCREAMING_SNAKE_CASE__      : Any    ):
     __UpperCamelCase   							={'streaming': True}
     __UpperCamelCase   							=load_dataset(args.dataset_name      ,					split='train'      ,					**SCREAMING_SNAKE_CASE__    )
     __UpperCamelCase   							=ConstantLengthDataset(SCREAMING_SNAKE_CASE__      ,					SCREAMING_SNAKE_CASE__      ,					seq_length=args.seq_length    )
     __UpperCamelCase   							=DataLoader(SCREAMING_SNAKE_CASE__      ,					batch_size=args.batch_size    )
     return eval_dataloader

def 						_UpperCAmelCase    (      SCREAMING_SNAKE_CASE__      : List[Any]    ):
     model.eval()
     __UpperCamelCase   							=[]
     for step, batch in enumerate(SCREAMING_SNAKE_CASE__    ):
          with torch.no_grad():
               __UpperCamelCase   							=model(SCREAMING_SNAKE_CASE__      ,					labels=SCREAMING_SNAKE_CASE__    )
          __UpperCamelCase   							=outputs.loss.repeat(args.batch_size    )
          losses.append(accelerator.gather(SCREAMING_SNAKE_CASE__    )    )

          if args.max_eval_steps > 0 and step >= args.max_eval_steps:
               break
     __UpperCamelCase   							=torch.mean(torch.cat(SCREAMING_SNAKE_CASE__    )    )
     try:
          __UpperCamelCase   							=torch.exp(SCREAMING_SNAKE_CASE__    )
     except OverflowError:
          __UpperCamelCase   							=float('inf'    )
     return loss.item(), perplexity.item()


# Setup Accelerator
_A			=						Accelerator()

# Parse configuration
_A			=						HfArgumentParser(EvaluationArguments)
_A			=						parser.parse_args()
set_seed(args.seed)

# Logging
_A			=						logging.getLogger(__name__)
logging.basicConfig(
    format='%(asctime)s - %(levelname)s - %(name)s - %(message)s', datefmt='%m/%d/%Y %H:%M:%S', level=logging.INFO
)

# Load model and tokenizer
_A			=						AutoModelForCausalLM.from_pretrained(args.model_ckpt)
_A			=						AutoTokenizer.from_pretrained(args.model_ckpt)

# Load dataset and dataloader
_A			=						create_dataloader(args)

# Prepare everything with our `accelerator`.
_A	,					_A			=						accelerator.prepare(model, eval_dataloader)

# Evaluate and save the last checkpoint
logger.info('Evaluating and saving model after training')
_A	,					_A			=						evaluate(args)





logger.info(f"""loss/eval: {eval_loss}, perplexity: {perplexity}""")









import json
from typing import List, Optional, Tuple

from tokenizers import normalizers

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_bert import BertTokenizer


_A			=						logging.get_logger(__name__)

_A			=						{'vocab_file': 'vocab.txt', 'tokenizer_file': 'tokenizer.json'}

_A			=						{
    'vocab_file': {
        'bert-base-uncased': 'https://huggingface.co/bert-base-uncased/resolve/main/vocab.txt',
        'bert-large-uncased': 'https://huggingface.co/bert-large-uncased/resolve/main/vocab.txt',
        'bert-base-cased': 'https://huggingface.co/bert-base-cased/resolve/main/vocab.txt',
        'bert-large-cased': 'https://huggingface.co/bert-large-cased/resolve/main/vocab.txt',
        'bert-base-multilingual-uncased': (
            'https://huggingface.co/bert-base-multilingual-uncased/resolve/main/vocab.txt'
        ),
        'bert-base-multilingual-cased': 'https://huggingface.co/bert-base-multilingual-cased/resolve/main/vocab.txt',
        'bert-base-chinese': 'https://huggingface.co/bert-base-chinese/resolve/main/vocab.txt',
        'bert-base-german-cased': 'https://huggingface.co/bert-base-german-cased/resolve/main/vocab.txt',
        'bert-large-uncased-whole-word-masking': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking/resolve/main/vocab.txt'
        ),
        'bert-large-cased-whole-word-masking': (
            'https://huggingface.co/bert-large-cased-whole-word-masking/resolve/main/vocab.txt'
        ),
        'bert-large-uncased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking-finetuned-squad/resolve/main/vocab.txt'
        ),
        'bert-large-cased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-cased-whole-word-masking-finetuned-squad/resolve/main/vocab.txt'
        ),
        'bert-base-cased-finetuned-mrpc': (
            'https://huggingface.co/bert-base-cased-finetuned-mrpc/resolve/main/vocab.txt'
        ),
        'bert-base-german-dbmdz-cased': 'https://huggingface.co/bert-base-german-dbmdz-cased/resolve/main/vocab.txt',
        'bert-base-german-dbmdz-uncased': (
            'https://huggingface.co/bert-base-german-dbmdz-uncased/resolve/main/vocab.txt'
        ),
        'TurkuNLP/bert-base-finnish-cased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-cased-v1/resolve/main/vocab.txt'
        ),
        'TurkuNLP/bert-base-finnish-uncased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-uncased-v1/resolve/main/vocab.txt'
        ),
        'wietsedv/bert-base-dutch-cased': (
            'https://huggingface.co/wietsedv/bert-base-dutch-cased/resolve/main/vocab.txt'
        ),
    },
    'tokenizer_file': {
        'bert-base-uncased': 'https://huggingface.co/bert-base-uncased/resolve/main/tokenizer.json',
        'bert-large-uncased': 'https://huggingface.co/bert-large-uncased/resolve/main/tokenizer.json',
        'bert-base-cased': 'https://huggingface.co/bert-base-cased/resolve/main/tokenizer.json',
        'bert-large-cased': 'https://huggingface.co/bert-large-cased/resolve/main/tokenizer.json',
        'bert-base-multilingual-uncased': (
            'https://huggingface.co/bert-base-multilingual-uncased/resolve/main/tokenizer.json'
        ),
        'bert-base-multilingual-cased': (
            'https://huggingface.co/bert-base-multilingual-cased/resolve/main/tokenizer.json'
        ),
        'bert-base-chinese': 'https://huggingface.co/bert-base-chinese/resolve/main/tokenizer.json',
        'bert-base-german-cased': 'https://huggingface.co/bert-base-german-cased/resolve/main/tokenizer.json',
        'bert-large-uncased-whole-word-masking': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking/resolve/main/tokenizer.json'
        ),
        'bert-large-cased-whole-word-masking': (
            'https://huggingface.co/bert-large-cased-whole-word-masking/resolve/main/tokenizer.json'
        ),
        'bert-large-uncased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-uncased-whole-word-masking-finetuned-squad/resolve/main/tokenizer.json'
        ),
        'bert-large-cased-whole-word-masking-finetuned-squad': (
            'https://huggingface.co/bert-large-cased-whole-word-masking-finetuned-squad/resolve/main/tokenizer.json'
        ),
        'bert-base-cased-finetuned-mrpc': (
            'https://huggingface.co/bert-base-cased-finetuned-mrpc/resolve/main/tokenizer.json'
        ),
        'bert-base-german-dbmdz-cased': (
            'https://huggingface.co/bert-base-german-dbmdz-cased/resolve/main/tokenizer.json'
        ),
        'bert-base-german-dbmdz-uncased': (
            'https://huggingface.co/bert-base-german-dbmdz-uncased/resolve/main/tokenizer.json'
        ),
        'TurkuNLP/bert-base-finnish-cased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-cased-v1/resolve/main/tokenizer.json'
        ),
        'TurkuNLP/bert-base-finnish-uncased-v1': (
            'https://huggingface.co/TurkuNLP/bert-base-finnish-uncased-v1/resolve/main/tokenizer.json'
        ),
        'wietsedv/bert-base-dutch-cased': (
            'https://huggingface.co/wietsedv/bert-base-dutch-cased/resolve/main/tokenizer.json'
        ),
    },
}

_A			=						{
    'bert-base-uncased': 512,
    'bert-large-uncased': 512,
    'bert-base-cased': 512,
    'bert-large-cased': 512,
    'bert-base-multilingual-uncased': 512,
    'bert-base-multilingual-cased': 512,
    'bert-base-chinese': 512,
    'bert-base-german-cased': 512,
    'bert-large-uncased-whole-word-masking': 512,
    'bert-large-cased-whole-word-masking': 512,
    'bert-large-uncased-whole-word-masking-finetuned-squad': 512,
    'bert-large-cased-whole-word-masking-finetuned-squad': 512,
    'bert-base-cased-finetuned-mrpc': 512,
    'bert-base-german-dbmdz-cased': 512,
    'bert-base-german-dbmdz-uncased': 512,
    'TurkuNLP/bert-base-finnish-cased-v1': 512,
    'TurkuNLP/bert-base-finnish-uncased-v1': 512,
    'wietsedv/bert-base-dutch-cased': 512,
}

_A			=						{
    'bert-base-uncased': {'do_lower_case': True},
    'bert-large-uncased': {'do_lower_case': True},
    'bert-base-cased': {'do_lower_case': False},
    'bert-large-cased': {'do_lower_case': False},
    'bert-base-multilingual-uncased': {'do_lower_case': True},
    'bert-base-multilingual-cased': {'do_lower_case': False},
    'bert-base-chinese': {'do_lower_case': False},
    'bert-base-german-cased': {'do_lower_case': False},
    'bert-large-uncased-whole-word-masking': {'do_lower_case': True},
    'bert-large-cased-whole-word-masking': {'do_lower_case': False},
    'bert-large-uncased-whole-word-masking-finetuned-squad': {'do_lower_case': True},
    'bert-large-cased-whole-word-masking-finetuned-squad': {'do_lower_case': False},
    'bert-base-cased-finetuned-mrpc': {'do_lower_case': False},
    'bert-base-german-dbmdz-cased': {'do_lower_case': False},
    'bert-base-german-dbmdz-uncased': {'do_lower_case': True},
    'TurkuNLP/bert-base-finnish-cased-v1': {'do_lower_case': False},
    'TurkuNLP/bert-base-finnish-uncased-v1': {'do_lower_case': True},
    'wietsedv/bert-base-dutch-cased': {'do_lower_case': False},
}






class    UpperCAmelCase__	( A_		):



    """simple docstring"""






    UpperCAmelCase__						:		Any              =  VOCAB_FILES_NAMES
    UpperCAmelCase__						:		List[str]              =  PRETRAINED_VOCAB_FILES_MAP
    UpperCAmelCase__						:		Optional[int]              =  PRETRAINED_INIT_CONFIGURATION
    UpperCAmelCase__						:		List[str]              =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    UpperCAmelCase__						:		Dict              =  BertTokenizer






    def __init__(      self ,       A_=None ,       A_=None ,       A_=True ,       A_="[UNK]" ,       A_="[SEP]" ,       A_="[PAD]" ,       A_="[CLS]" ,       A_="[MASK]" ,       A_=True ,       A_=None ,       **A_ ,       )  ->	Any:
         super().__init__(
             A_ ,       tokenizer_file=A_ ,       do_lower_case=A_ ,       unk_token=A_ ,       sep_token=A_ ,       pad_token=A_ ,       cls_token=A_ ,       mask_token=A_ ,       tokenize_chinese_chars=A_ ,       strip_accents=A_ ,       **A_ ,       )

         __UpperCamelCase   							=json.loads(self.backend_tokenizer.normalizer.__getstate__()   )
         if (
             normalizer_state.get('lowercase' ,       A_   ) != do_lower_case
             or normalizer_state.get('strip_accents' ,       A_   ) != strip_accents
             or normalizer_state.get('handle_chinese_chars' ,       A_   ) != tokenize_chinese_chars
         ):
              __UpperCamelCase   							=getattr(A_ ,       normalizer_state.pop('type'   )   )
              __UpperCamelCase   							=do_lower_case
              __UpperCamelCase   							=strip_accents
              __UpperCamelCase   							=tokenize_chinese_chars
              __UpperCamelCase   							=normalizer_class(**A_   )

         __UpperCamelCase   							=do_lower_case






    def _a (      self ,       A_ ,       A_=None   )  ->	List[str]:
         __UpperCamelCase   							=[self.cls_token_id] + token_ids_a + [self.sep_token_id]

         if token_ids_a:
              output += token_ids_a + [self.sep_token_id]

         return output






    def _a (      self ,       A_ ,       A_ = None   )  ->	List[int]:
         __UpperCamelCase   							=[self.sep_token_id]
         __UpperCamelCase   							=[self.cls_token_id]
         if token_ids_a is None:
              return len(cls + token_ids_a + sep   ) * [0]
         return len(cls + token_ids_a + sep   ) * [0] + len(token_ids_a + sep   ) * [1]






    def _a (      self ,       A_ ,       A_ = None   )  ->	Tuple[str]:
         __UpperCamelCase   							=self._tokenizer.model.save(A_ ,       name=A_   )
         return tuple(A_   )





