





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

from .. import config
from .logging import get_logger


UpperCAmelCase	:	Optional[int]		     =       get_logger(__name__)







class 				__lowerCAmelCase       (    enum.Enum):
      _lowercase				:					Dict						=			"""all_checks"""
      _lowercase				:					int						=			"""basic_checks"""
      _lowercase				:					Union[str, Any]						=			"""no_checks"""







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass
def      _A       (		SCREAMING_SNAKE_CASE     :   Optional[dict]       ,       SCREAMING_SNAKE_CASE     :   dict       ,       SCREAMING_SNAKE_CASE     :   Union[str, Any]=None						):





  """simple docstring"""



  if expected_checksums is None:
    logger.info("Unable to verify checksums."						)
    return
  if len(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						) > 0:
    raise ExpectedMoreDownloadedFiles(str(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						)						)
  if len(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						) > 0:
    raise UnexpectedDownloadedFile(str(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						)						)
  a__	:					List[str]										=[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
  a__	:					Union[str, Any]										=" for " + verification_name if verification_name is not None else ""
  if len(SCREAMING_SNAKE_CASE						) > 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 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass







class 				__lowerCAmelCase       (    UpperCamelCase__):
      pass
def      _A       (		SCREAMING_SNAKE_CASE     :   Optional[dict]       ,       SCREAMING_SNAKE_CASE     :   dict						):





  """simple docstring"""



  if expected_splits is None:
    logger.info("Unable to verify splits sizes."						)
    return
  if len(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						) > 0:
    raise ExpectedMoreSplits(str(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						)						)
  if len(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						) > 0:
    raise UnexpectedSplits(str(set(SCREAMING_SNAKE_CASE						) - set(SCREAMING_SNAKE_CASE						)						)						)
  a__	:					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(SCREAMING_SNAKE_CASE						) > 0:
    raise NonMatchingSplitsSizesError(str(SCREAMING_SNAKE_CASE						)						)
  logger.info("All the splits matched successfully."						)
def      _A       (		SCREAMING_SNAKE_CASE     :   str       ,       SCREAMING_SNAKE_CASE     :   bool = True						):





  """simple docstring"""



  if record_checksum:
    a__	:					Tuple										=shaaaa()
    with open(SCREAMING_SNAKE_CASE       ,       "rb"						) as f:
      for chunk in iter(lambda: f.read(1 << 20						)       ,       b""						):
        m.update(SCREAMING_SNAKE_CASE						)
      a__	:					str										=m.hexdigest()
  else:
    a__	:					Union[str, Any]										=None
  return {"num_bytes": os.path.getsize(SCREAMING_SNAKE_CASE						), "checksum": checksum}





def      _A       (		SCREAMING_SNAKE_CASE     :   List[Any]						):





  """simple docstring"""



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













def      _A       (		SCREAMING_SNAKE_CASE     :   int = 50						):





  """simple docstring"""



  a__	:					Any										=[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() = }""")






