






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

from .. import config
from .logging import get_logger


SCREAMING_SNAKE_CASE__		:							Dict 				=				get_logger(__name__)







class 				UpperCAmelCase_  (		enum.Enum		):
     __lowerCamelCase      				=  'all_checks'
     __lowerCamelCase      				=  'basic_checks'
     __lowerCamelCase      				=  'no_checks'







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass





def  _lowerCamelCase						(						__lowerCamelCase ,							__lowerCamelCase ,							__lowerCamelCase=None       ) ->			Any:

     '''simple docstring'''
     if expected_checksums is None:
          logger.info("""Unable to verify checksums."""       )
          return
     if len(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       ) > 0:
          raise ExpectedMoreDownloadedFiles(str(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       )       )
     if len(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       ) > 0:
          raise UnexpectedDownloadedFile(str(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       )       )
     UpperCAmelCase__      :  str				      =			[url for url in expected_checksums if expected_checksums[url] != recorded_checksums[url]]
     UpperCAmelCase__      :  Dict				      =			""" for """ + verification_name if verification_name is not None else """"""
     if len(__lowerCamelCase       ) > 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 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass







class 				UpperCAmelCase_  (		__lowerCamelCase		):
     pass





def  _lowerCamelCase						(						__lowerCamelCase ,							__lowerCamelCase       ) ->			Union[str, Any]:

     '''simple docstring'''
     if expected_splits is None:
          logger.info("""Unable to verify splits sizes."""       )
          return
     if len(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       ) > 0:
          raise ExpectedMoreSplits(str(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       )       )
     if len(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       ) > 0:
          raise UnexpectedSplits(str(set(__lowerCamelCase       ) - set(__lowerCamelCase       )       )       )
     UpperCAmelCase__      :  List[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(__lowerCamelCase       ) > 0:
          raise NonMatchingSplitsSizesError(str(__lowerCamelCase       )       )
     logger.info("""All the splits matched successfully."""       )





def  _lowerCamelCase						(						__lowerCamelCase ,							__lowerCamelCase = True       ) ->			dict:

     '''simple docstring'''
     if record_checksum:
          UpperCAmelCase__      :  List[Any]				      =			shaaaa()
          with open(__lowerCamelCase ,							"""rb"""       ) as f:
               for chunk in iter(lambda: f.read(1 << 20       ) ,							B""""""       ):
                    m.update(__lowerCamelCase       )
               UpperCAmelCase__      :  int				      =			m.hexdigest()
     else:
          UpperCAmelCase__      :  Dict				      =			None
     return {"num_bytes": os.path.getsize(__lowerCamelCase       ), "checksum": checksum}







def  _lowerCamelCase						(						__lowerCamelCase       ) ->			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 __future__ import annotations

from typing import Any







def       a_				(	UpperCamelCase_ ):
							create_state_space_tree(UpperCamelCase_						,  []						,  0 )







def       a_				(	UpperCamelCase_						,  UpperCamelCase_						,  UpperCamelCase_ ):

							if index == len(UpperCamelCase_ ):
														print(UpperCamelCase_ )
														return

							create_state_space_tree(UpperCamelCase_						,  UpperCamelCase_						,  index + 1 )
							current_subsequence.append(sequence[index] )
							create_state_space_tree(UpperCamelCase_						,  UpperCamelCase_						,  index + 1 )
							current_subsequence.pop()


if __name__ == "__main__":
							__SCREAMING_SNAKE_CASE					:				list[Any]									=		[3, 1, 2, 4]
							generate_all_subsequences(seq)

							seq.clear()
							seq.extend(['''A''', '''B''', '''C'''])
							generate_all_subsequences(seq)





