





import re




def    __UpperCAmelCase(      lowercase_      ):
       return [char.split() for char in re.split(r'''[^ a-z A-Z 0-9 \s]''' ,    str_      )]




def    __UpperCAmelCase(      lowercase_      ):
       _lowerCamelCase							:     List[str]	=		split_input(str_      )
       return "".join(
           [''''''.join([char.capitalize() for char in sub_str]      ) for sub_str in string_split]      )




def    __UpperCAmelCase(      lowercase_ ,    lowercase_ ,    lowercase_      ):
       try:
              _lowerCamelCase							:     Dict	=		split_input(lowercase_      )
              if upper:
                     _lowerCamelCase							:     int	=		''''''.join(
                         [
                             separator.join([char.upper() for char in sub_str]      )
                             for sub_str in string_split
                         ]      )
              else:
                     _lowerCamelCase							:     Tuple	=		''''''.join(
                         [
                             separator.join([char.lower() for char in sub_str]      )
                             for sub_str in string_split
                         ]      )
              return res_str
       except IndexError:
              return "not valid string"




def    __UpperCAmelCase(      lowercase_      ):
       return to_simple_case(lowercase_      )




def    __UpperCAmelCase(      lowercase_      ):
       try:
              _lowerCamelCase							:     List[str]	=		to_simple_case(lowercase_      )
              return res_str[0].lower() + res_str[1:]
       except IndexError:
              return "not valid string"




def    __UpperCAmelCase(      lowercase_ ,    lowercase_      ):
       return to_complex_case(lowercase_ ,    lowercase_ ,    '''_'''      )




def    __UpperCAmelCase(      lowercase_ ,    lowercase_      ):
       return to_complex_case(lowercase_ ,    lowercase_ ,    '''-'''      )


if __name__ == "__main__":
       __import__('doctest').testmod()








import os
import time
import warnings
from dataclasses import dataclass, field
from enum import Enum
from typing import List, Optional, Union

import torch
from filelock import FileLock
from torch.utils.data import Dataset

from ...tokenization_utils_base import PreTrainedTokenizerBase
from ...utils import logging
from ..processors.glue import glue_convert_examples_to_features, glue_output_modes, glue_processors
from ..processors.utils import InputFeatures


_lowerCamelCase			       =      logging.get_logger(__name__)







@dataclass
class 			__A       :




      """simple docstring"""







      UpperCAmelCase__						=      field(metadata={"""help""": """The name of the task to train on: """ + """, """.join(glue_processors.keys()  )}  )
      UpperCAmelCase__						=      field(
          metadata={"""help""": """The input data dir. Should contain the .tsv files (or other data files) for the task."""}  )
      UpperCAmelCase__						=      field(
          default=128 ,metadata={
              """help""": (
                  """The maximum total input sequence length after tokenization. Sequences longer """
                  """than this will be truncated, sequences shorter will be padded."""
              )
          } ,)
      UpperCAmelCase__						=      field(
          default=lowerCamelCase__ ,metadata={"""help""": """Overwrite the cached training and evaluation sets"""}  )


      def 				__snake_case			(		self):



             """simple docstring"""





             _lowerCamelCase							:     Dict	=		self.task_name.lower()







class 			__A       (      lowerCamelCase__  ):




      """simple docstring"""







      UpperCAmelCase__						=      """train"""
      UpperCAmelCase__						=      """dev"""
      UpperCAmelCase__						=      """test"""







class 			__A       (      lowerCamelCase__  ):




      """simple docstring"""







      UpperCAmelCase__						=      42
      UpperCAmelCase__						=      42
      UpperCAmelCase__						=      42


      def __init__(		self      ,							a__      ,							a__      ,							a__ = None      ,							a__ = Split.train      ,							a__ = None      ,							):



             """simple docstring"""





             warnings.warn(
                 '''This dataset will be removed from the library soon, preprocessing should be handled with the 🤗 Datasets '''
                 '''library. You can have a look at this example script for pointers: '''
                 '''https://github.com/huggingface/transformers/blob/main/examples/pytorch/text-classification/run_glue.py'''      ,							a__      ,							)
             _lowerCamelCase							:     Optional[Any]	=		args
             _lowerCamelCase							:     Tuple	=		glue_processors[args.task_name]()
             _lowerCamelCase							:     Any	=		glue_output_modes[args.task_name]
             if isinstance(a__      ,							a__):
                    try:
                           _lowerCamelCase							:     List[Any]	=		Split[mode]
                    except KeyError:
                           raise KeyError('''mode is not a valid split name''')
        # Load data features from cache or dataset file
             _lowerCamelCase							:     Tuple	=		os.path.join(
                 cache_dir if cache_dir is not None else args.data_dir      ,							F"""cached_{mode.value}_{tokenizer.__class__.__name__}_{args.max_seq_length}_{args.task_name}"""      ,							)
             _lowerCamelCase							:     int	=		self.processor.get_labels()
             if args.task_name in ["mnli", "mnli-mm"] and tokenizer.__class__.__name__ in (
                 "RobertaTokenizer",
                 "RobertaTokenizerFast",
                 "XLMRobertaTokenizer",
                 "BartTokenizer",
                 "BartTokenizerFast",
             ):
                    # HACK(label indices are swapped in RoBERTa pretrained model)
                    _lowerCamelCase,  _lowerCamelCase							:     Union[str, Any]	=		label_list[2], label_list[1]
             _lowerCamelCase							:     str	=		label_list

             # Make sure only the first process in distributed training processes the dataset,
             # and the others will use the cache.
             _lowerCamelCase							:     Any	=		cached_features_file + '''.lock'''
             with FileLock(a__):
                    if os.path.exists(a__) and not args.overwrite_cache:
                           _lowerCamelCase							:     Any	=		time.time()
                           _lowerCamelCase							:     Optional[Any]	=		torch.load(a__)
                           logger.info(
                               F"""Loading features from cached file {cached_features_file} [took %.3f s]"""      ,							time.time() - start)
                    else:
                           logger.info(F"""Creating features from dataset file at {args.data_dir}""")

                           if mode == Split.dev:
                                  _lowerCamelCase							:     List[str]	=		self.processor.get_dev_examples(args.data_dir)
                           elif mode == Split.test:
                                  _lowerCamelCase							:     str	=		self.processor.get_test_examples(args.data_dir)
                           else:
                                  _lowerCamelCase							:     List[Any]	=		self.processor.get_train_examples(args.data_dir)
                           if limit_length is not None:
                                  _lowerCamelCase							:     List[Any]	=		examples[:limit_length]
                           _lowerCamelCase							:     List[str]	=		glue_convert_examples_to_features(
                               a__      ,							a__      ,							max_length=args.max_seq_length      ,							label_list=a__      ,							output_mode=self.output_mode      ,							)
                           _lowerCamelCase							:     int	=		time.time()
                           torch.save(self.features      ,							a__)
                           # ^ This seems to take a lot of time so I want to investigate why and how we can improve.
                           logger.info(
                               F"""Saving features into cached file {cached_features_file} [took {time.time() - start:.3f} s]""")


      def __len__(		self):



             """simple docstring"""





             return len(self.features)


      def __getitem__(		self      ,							a__):



             """simple docstring"""





             return self.features[i]



      def 				__snake_case			(		self):



             """simple docstring"""





             return self.label_list

