


import enum
import os
from hashlib import shaaaa
from typing import Optional

from .. import config
from .logging import get_logger


a_ :Optional[int]  							=			get_logger(__name__)

class 							lowercase  (						enum.Enum			):
     lowerCamelCase			:			str      = '''all_checks'''
     lowerCamelCase			:			str      = '''basic_checks'''
     lowerCamelCase			:			Any      = '''no_checks'''




class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




def    a   (							A__      ,    A__      ,    A__=None							)	-> Optional[int]:




      '''simple docstring'''

      if expected_checksums is None:
            logger.info('''Unable to verify checksums.'''							)
            return
      if len(set(A__							) - set(A__							)							) > 0:
            raise ExpectedMoreDownloadedFiles(str(set(A__							) - set(A__							)							)							)
      if len(set(A__							) - set(A__							)							) > 0:
            raise UnexpectedDownloadedFile(str(set(A__							) - set(A__							)							)							)
      SCREAMING_SNAKE_CASE__       :  int						     =		[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
      SCREAMING_SNAKE_CASE__       :  Optional[Any]						     =		''' for ''' + verification_name if verification_name is not None else ''''''
      if len(A__							) > 0:
            raise NonMatchingChecksumError(
                f"""Checksums didn't match{for_verification_name}:\n"""
                f"""{bad_urls}\n"""
                '''Set `verification_mode=\'no_checks\'` to skip checksums verification and ignore this error'''							)
      logger.info('''All the checksums matched successfully''' + for_verification_name							)

class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




class 							lowercase  (						_UpperCAmelCase			):
     pass




def    a   (							A__      ,    A__							)	-> Dict:




      '''simple docstring'''

      if expected_splits is None:
            logger.info('''Unable to verify splits sizes.'''							)
            return
      if len(set(A__							) - set(A__							)							) > 0:
            raise ExpectedMoreSplits(str(set(A__							) - set(A__							)							)							)
      if len(set(A__							) - set(A__							)							) > 0:
            raise UnexpectedSplits(str(set(A__							) - set(A__							)							)							)
      SCREAMING_SNAKE_CASE__       :  Optional[Any]						     =		[
          {'''expected''': expected_splits[name], '''recorded''': recorded_splits[name]}
          for name in expected_splits
          if expected_splits[name].num_examples != recorded_splits[name].num_examples
      ]
      if len(A__							) > 0:
            raise NonMatchingSplitsSizesError(str(A__							)							)
      logger.info('''All the splits matched successfully.'''							)




def    a   (							A__      ,    A__ = True							)	-> dict:




      '''simple docstring'''

      if record_checksum:
            SCREAMING_SNAKE_CASE__       :  Optional[Any]						     =		shaaaa()
            with open(A__      ,    '''rb'''							) as f:
                  for chunk in iter(lambda: f.read(1 << 2_0							)      ,    b''''''							):
                        m.update(A__							)
                  SCREAMING_SNAKE_CASE__       :  Optional[Any]						     =		m.hexdigest()
      else:
            SCREAMING_SNAKE_CASE__       :  Tuple						     =		None
      return {"num_bytes": os.path.getsize(A__							), "checksum": checksum}





def    a   (							A__							)	-> List[Any]:




      '''simple docstring'''

      if dataset_size and config.IN_MEMORY_MAX_SIZE:
            return dataset_size < config.IN_MEMORY_MAX_SIZE
      else:
            return False











'''simple docstring'''





from abc import ABC, abstractmethod
from argparse import ArgumentParser



class  snake_case__						(    SCREAMING_SNAKE_CASE_				):
 @staticmethod
 @abstractmethod
 def A_   (   __a						:							ArgumentParser  )      ->   List[str]:







       '''simple docstring'''
       raise NotImplementedError()





 @abstractmethod
 def A_   (   self						:							Optional[Any]  )      ->   Optional[Any]:







       '''simple docstring'''
       raise NotImplementedError()



