




'''simple docstring'''






import argparse
import logging
import os
import sys
from collections import namedtuple

import torch
from modeling_bertabs import BertAbs, build_predictor
from torch.utils.data import DataLoader, SequentialSampler
from tqdm import tqdm

from transformers import BertTokenizer

from .utils_summarization import (
    CNNDMDataset,
    build_mask,
    compute_token_type_ids,
    encode_for_summarization,
    truncate_or_pad,
)


A_ 			=		logging.getLogger(__name__)
logging.basicConfig(stream=sys.stdout, level=logging.INFO)


A_ 			=		namedtuple("Batch", ["document_names", "batch_size", "src", "segs", "mask_src", "tgt_str"])






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE		)						->      Dict:
      snake_case__					:      Dict  			=						BertTokenizer.from_pretrained('bert-base-uncased'							,			do_lower_case=__SCREAMING_SNAKE_CASE		)
      snake_case__					:      List[Any]  			=						BertAbs.from_pretrained('remi/bertabs-finetuned-extractive-abstractive-summarization'		)
      model.to(args.device		)
      model.eval()

      snake_case__					:      Optional[int]  			=						{
          'BOS': tokenizer.vocab['[unused0]'],
          'EOS': tokenizer.vocab['[unused1]'],
          'PAD': tokenizer.vocab['[PAD]'],
      }

      if args.compute_rouge:
            snake_case__					:      Any  			=						[]
            snake_case__					:      Any  			=						[]

            import nltk
            import rouge

            nltk.download('punkt'		)
            snake_case__					:      str  			=						rouge.Rouge(
                metrics=['rouge-n', 'rouge-l']							,			max_n=2							,			limit_length=__SCREAMING_SNAKE_CASE							,			length_limit=args.beam_size							,			length_limit_type='words'							,			apply_avg=__SCREAMING_SNAKE_CASE							,			apply_best=__SCREAMING_SNAKE_CASE							,			alpha=0.5							,			weight_factor=1.2							,			stemming=__SCREAMING_SNAKE_CASE							,			)

      # these (unused) arguments are defined to keep the compatibility
      # with the legacy code and will be deleted in a next iteration.
      snake_case__					:      List[Any]  			=						''
      snake_case__					:      int  			=						''

      snake_case__					:      str  			=						build_data_iterator(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)
      snake_case__					:      Optional[Any]  			=						build_predictor(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)

      logger.info('***** Running evaluation *****'		)
      logger.info('  Number examples = %d'							,			len(data_iterator.dataset		)		)
      logger.info('  Batch size = %d'							,			args.batch_size		)
      logger.info(''		)
      logger.info('***** Beam Search parameters *****'		)
      logger.info('  Beam size = %d'							,			args.beam_size		)
      logger.info('  Minimum length = %d'							,			args.min_length		)
      logger.info('  Maximum length = %d'							,			args.max_length		)
      logger.info('  Alpha (length penalty) = %.2f'							,			args.alpha		)
      logger.info('  Trigrams %s be blocked'							,			('will' if args.block_trigram else 'will NOT')		)

      for batch in tqdm(__SCREAMING_SNAKE_CASE		):
            snake_case__					:      Dict  			=						predictor.translate_batch(__SCREAMING_SNAKE_CASE		)
            snake_case__					:      Optional[Any]  			=						predictor.from_batch(__SCREAMING_SNAKE_CASE		)
            snake_case__					:      Union[str, Any]  			=						[format_summary(__SCREAMING_SNAKE_CASE		) for t in translations]
            save_summaries(__SCREAMING_SNAKE_CASE							,			args.summaries_output_dir							,			batch.document_names		)

            if args.compute_rouge:
                  reference_summaries += batch.tgt_str
                  generated_summaries += summaries

      if args.compute_rouge:
            snake_case__					:      int  			=						rouge_evaluator.get_scores(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)
            snake_case__					:      str  			=						format_rouge_scores(__SCREAMING_SNAKE_CASE		)
            save_rouge_scores(__SCREAMING_SNAKE_CASE		)
            print(__SCREAMING_SNAKE_CASE		)






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)						->      Optional[int]:
      for summary, document_name in zip(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		):
            # Prepare the summary file's name
            if "." in document_name:
                  snake_case__					:      str  			=						'.'.join(document_name.split('.'		)[:-1]		)
                  snake_case__					:      Optional[int]  			=						document_name.split('.'		)[-1]
                  snake_case__					:      Tuple  			=						bare_document_name + '_summary.' + extension
            else:
                  snake_case__					:      Union[str, Any]  			=						document_name + '_summary'

            snake_case__					:      Union[str, Any]  			=						os.path.join(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)
            with open(__SCREAMING_SNAKE_CASE							,			'w'		) as output:
                  output.write(__SCREAMING_SNAKE_CASE		)






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE		)						->      List[Any]:
      snake_case__			,       snake_case__			,       snake_case__					:      Any  			=						translation
      snake_case__					:      Any  			=						(
          raw_summary.replace('[unused0]'							,			''		)
          .replace('[unused3]'							,			''		)
          .replace('[PAD]'							,			''		)
          .replace('[unused1]'							,			''		)
          .replace(r' +'							,			' '		)
          .replace(' [unused2] '							,			'. '		)
          .replace('[unused2]'							,			''		)
          .strip()
      )

      return summary






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE		)						->      Optional[int]:
      return """\n
****** ROUGE SCORES ******

** ROUGE 1
F1        >> {:.3f}
Precision >> {:.3f}
Recall    >> {:.3f}

** ROUGE 2
F1        >> {:.3f}
Precision >> {:.3f}
Recall    >> {:.3f}

** ROUGE L
F1        >> {:.3f}
Precision >> {:.3f}
Recall    >> {:.3f}""".format(
          scores['rouge-1']['f']							,			scores['rouge-1']['p']							,			scores['rouge-1']['r']							,			scores['rouge-2']['f']							,			scores['rouge-2']['p']							,			scores['rouge-2']['r']							,			scores['rouge-l']['f']							,			scores['rouge-l']['p']							,			scores['rouge-l']['r']							,			)






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE		)						->      Optional[Any]:
      with open('rouge_scores.txt'							,			'w'		) as output:
            output.write(__SCREAMING_SNAKE_CASE		)






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)						->      Any:
      snake_case__					:      Optional[Any]  			=						load_and_cache_examples(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)
      snake_case__					:      Union[str, Any]  			=						SequentialSampler(__SCREAMING_SNAKE_CASE		)

      def collate_fn(__SCREAMING_SNAKE_CASE		):
            return collate(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			block_size=512							,			device=args.device		)

      snake_case__					:      List[Any]  			=						DataLoader(
          __SCREAMING_SNAKE_CASE							,			sampler=__SCREAMING_SNAKE_CASE							,			batch_size=args.batch_size							,			collate_fn=__SCREAMING_SNAKE_CASE							,			)

      return iterator






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)						->      Dict:
      snake_case__					:      Any  			=						CNNDMDataset(args.documents_dir		)
      return dataset






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)						->      List[Any]:
      snake_case__					:      Optional[int]  			=						[x for x in data if not len(x[1]		) == 0]  # remove empty_files
      snake_case__					:      List[str]  			=						[name for name, _, _ in data]
      snake_case__					:      List[str]  			=						[' '.join(__SCREAMING_SNAKE_CASE		) for _, _, summary_list in data]

      snake_case__					:      int  			=						[encode_for_summarization(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		) for _, story, summary in data]
      snake_case__					:      str  			=						torch.tensor(
          [truncate_or_pad(__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE							,			tokenizer.pad_token_id		) for story, _ in encoded_text]		)
      snake_case__					:      Any  			=						compute_token_type_ids(__SCREAMING_SNAKE_CASE							,			tokenizer.cls_token_id		)
      snake_case__					:      List[str]  			=						build_mask(__SCREAMING_SNAKE_CASE							,			tokenizer.pad_token_id		)

      snake_case__					:      int  			=						Batch(
          document_names=__SCREAMING_SNAKE_CASE							,			batch_size=len(__SCREAMING_SNAKE_CASE		)							,			src=encoded_stories.to(__SCREAMING_SNAKE_CASE		)							,			segs=encoder_token_type_ids.to(__SCREAMING_SNAKE_CASE		)							,			mask_src=encoder_mask.to(__SCREAMING_SNAKE_CASE		)							,			tgt_str=__SCREAMING_SNAKE_CASE							,			)

      return batch






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE							,			__SCREAMING_SNAKE_CASE		)						->      Optional[int]:
      snake_case__					:      Optional[Any]  			=						summary_tokens.to('cpu'		).numpy()
      snake_case__					:      Dict  			=						tokenizer.decode(__SCREAMING_SNAKE_CASE		)
      snake_case__					:      Optional[int]  			=						summary.split('.'		)
      snake_case__					:      Dict  			=						[s + '.' for s in sentences]
      return sentences






def 		UpperCamelCase__			(		)						->      Any:
      snake_case__					:      Optional[int]  			=						argparse.ArgumentParser()
      parser.add_argument(
          '--documents_dir'							,			default=__SCREAMING_SNAKE_CASE							,			type=__SCREAMING_SNAKE_CASE							,			required=__SCREAMING_SNAKE_CASE							,			help='The folder where the documents to summarize are located.'							,			)
      parser.add_argument(
          '--summaries_output_dir'							,			default=__SCREAMING_SNAKE_CASE							,			type=__SCREAMING_SNAKE_CASE							,			required=__SCREAMING_SNAKE_CASE							,			help='The folder in wich the summaries should be written. Defaults to the folder where the documents are'							,			)
      parser.add_argument(
          '--compute_rouge'							,			default=__SCREAMING_SNAKE_CASE							,			type=__SCREAMING_SNAKE_CASE							,			required=__SCREAMING_SNAKE_CASE							,			help='Compute the ROUGE metrics during evaluation. Only available for the CNN/DailyMail dataset.'							,			)
      # EVALUATION options
      parser.add_argument(
          '--no_cuda'							,			default=__SCREAMING_SNAKE_CASE							,			type=__SCREAMING_SNAKE_CASE							,			help='Whether to force the execution on CPU.'							,			)
      parser.add_argument(
          '--batch_size'							,			default=4							,			type=__SCREAMING_SNAKE_CASE							,			help='Batch size per GPU/CPU for training.'							,			)
      # BEAM SEARCH arguments
      parser.add_argument(
          '--min_length'							,			default=50							,			type=__SCREAMING_SNAKE_CASE							,			help='Minimum number of tokens for the summaries.'							,			)
      parser.add_argument(
          '--max_length'							,			default=200							,			type=__SCREAMING_SNAKE_CASE							,			help='Maixmum number of tokens for the summaries.'							,			)
      parser.add_argument(
          '--beam_size'							,			default=5							,			type=__SCREAMING_SNAKE_CASE							,			help='The number of beams to start with for each example.'							,			)
      parser.add_argument(
          '--alpha'							,			default=0.95							,			type=__SCREAMING_SNAKE_CASE							,			help='The value of alpha for the length penalty in the beam search.'							,			)
      parser.add_argument(
          '--block_trigram'							,			default=__SCREAMING_SNAKE_CASE							,			type=__SCREAMING_SNAKE_CASE							,			help='Whether to block the existence of repeating trigrams in the text generated by beam search.'							,			)
      snake_case__					:      str  			=						parser.parse_args()

      # Select device (distibuted not available)
      snake_case__					:      str  			=						torch.device('cuda' if torch.cuda.is_available() and not args.no_cuda else 'cpu'		)

      # Check the existence of directories
      if not args.summaries_output_dir:
            snake_case__					:      Union[str, Any]  			=						args.documents_dir

      if not documents_dir_is_valid(args.documents_dir		):
            raise FileNotFoundError(
                'We could not find the directory you specified for the documents to summarize, or it was empty. Please'
                ' specify a valid path.'		)
      os.makedirs(args.summaries_output_dir							,			exist_ok=__SCREAMING_SNAKE_CASE		)

      evaluate(__SCREAMING_SNAKE_CASE		)






def 		UpperCamelCase__			(		__SCREAMING_SNAKE_CASE		)						->      Dict:
      if not os.path.exists(__SCREAMING_SNAKE_CASE		):
            return False

      snake_case__					:      int  			=						os.listdir(__SCREAMING_SNAKE_CASE		)
      if len(__SCREAMING_SNAKE_CASE		) == 0:
            return False

      return True


if __name__ == "__main__":
      main()






'''simple docstring'''






class 					lowercase_			:





     def __init__(    self    :				Any ):
           snake_case__					:      List[str]  			=						[0]
           snake_case__					:      Optional[Any]  			=						0





     def  _lowerCAmelCase			(    self    :				List[str]    ,       __lowerCamelCase    :				int ):
           snake_case__					:      Optional[int]  			=						self.__heap[i]
           while i // 2 > 0:
                 if self.__heap[i] > self.__heap[i // 2]:
                       snake_case__					:      Union[str, Any]  			=						self.__heap[i // 2]
                       snake_case__					:      Union[str, Any]  			=						temporary
                 i //= 2





     def  _lowerCAmelCase			(    self    :				int    ,       __lowerCamelCase    :				int ):
           self.__heap.append(__lowerCamelCase )
           self.__size += 1
           self.__swap_up(self.__size )





     def  _lowerCAmelCase			(    self    :				Dict    ,       __lowerCamelCase    :				int ):
           while self.__size >= 2 * i:
                 if 2 * i + 1 > self.__size:
                       snake_case__					:      List[str]  			=						2 * i
                 else:
                       if self.__heap[2 * i] > self.__heap[2 * i + 1]:
                             snake_case__					:      Any  			=						2 * i
                       else:
                             snake_case__					:      Tuple  			=						2 * i + 1
                 snake_case__					:      int  			=						self.__heap[i]
                 if self.__heap[i] < self.__heap[bigger_child]:
                       snake_case__					:      Tuple  			=						self.__heap[bigger_child]
                       snake_case__					:      int  			=						temporary
                 snake_case__					:      int  			=						bigger_child





     def  _lowerCAmelCase			(    self    :				Union[str, Any] ):
           snake_case__					:      Any  			=						self.__heap[1]
           snake_case__					:      List[str]  			=						self.__heap[self.__size]
           self.__size -= 1
           self.__heap.pop()
           self.__swap_down(1 )
           return max_value





     @property
     def  _lowerCAmelCase			(    self    :				Union[str, Any] ):
           return self.__heap[1:]





     def __len__(    self    :				int ):
           return self.__size


if __name__ == "__main__":
      import doctest

      doctest.testmod()
      # create an instance of BinaryHeap
      A_ 			=		BinaryHeap()
      binary_heap.insert(6)
      binary_heap.insert(10)
      binary_heap.insert(15)
      binary_heap.insert(12)
      # pop root(max-values because it is max heap)
      print(binary_heap.pop())  # 15
      print(binary_heap.pop())  # 12
      # get the list and size after operations
      print(binary_heap.get_list)
      print(len(binary_heap))
