

'''simple docstring'''






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

from .. import config
from .logging import get_logger


lowerCAmelCase__      		=			get_logger(__name__)






class     lowercase_			(enum.Enum   ):




		"""simple docstring"""




		SCREAMING_SNAKE_CASE					:						Union[str, Any]           =    """all_checks"""
		SCREAMING_SNAKE_CASE					:						Optional[Any]           =    """basic_checks"""
		SCREAMING_SNAKE_CASE					:						Optional[int]           =    """no_checks"""






class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""






def 	_A  (					A__  ,       A__  ,       A__=None   ):






	"""simple docstring"""



	if expected_checksums is None:
		logger.info('''Unable to verify checksums.'''   )
		return
	if len(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   ) > 0:
		raise ExpectedMoreDownloadedFiles(str(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   )   )
	if len(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   ) > 0:
		raise UnexpectedDownloadedFile(str(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   )   )
	__lowercase													=				[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
	__lowercase													=				''' for ''' + verification_name if verification_name is not None else ''''''
	if len(_UpperCamelCase   ) > 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_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""










class     lowercase_			(lowerCamelCase__   ):




		"""simple docstring"""






def 	_A  (					A__  ,       A__   ):






	"""simple docstring"""



	if expected_splits is None:
		logger.info('''Unable to verify splits sizes.'''   )
		return
	if len(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   ) > 0:
		raise ExpectedMoreSplits(str(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   )   )
	if len(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   ) > 0:
		raise UnexpectedSplits(str(set(_UpperCamelCase   ) - set(_UpperCamelCase   )   )   )
	__lowercase													=				[
	    {'''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(_UpperCamelCase   ) > 0:
		raise NonMatchingSplitsSizesError(str(_UpperCamelCase   )   )
	logger.info('''All the splits matched successfully.'''   )


def 	_A  (					A__  ,       A__ = True   ):






	"""simple docstring"""



	if record_checksum:
		__lowercase													=				shaaaa()
		with open(_UpperCamelCase  ,       '''rb'''   ) as f:
			for chunk in iter(lambda: f.read(1 << 20   )  ,       b''''''   ):
				m.update(_UpperCamelCase   )
			__lowercase													=				m.hexdigest()
	else:
		__lowercase													=				None
	return {"num_bytes": os.path.getsize(_UpperCamelCase   ), "checksum": checksum}






def 	_A  (					A__   ):






	"""simple docstring"""



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




'''simple docstring'''






def 	_A  (					A__ = 50   ):






 """simple docstring"""



 __lowercase													=				[1] * (length + 1)

 for row_length in range(3  ,       length + 1   ):
  for block_length in range(3  ,       row_length + 1   ):
   for block_start in range(row_length - block_length   ):
    ways_number[row_length] += ways_number[
        row_length - block_start - block_length - 1
    ]

   ways_number[row_length] += 1

 return ways_number[length]


if __name__ == "__main__":
 print(f'{solution() = }')

