




"""simple docstring"""

class     lowercase_	:



 '''simple docstring'''

 def __init__(			self	:	Optional[int]		):
       _A        =       {}

 def       lowerCAmelCase_							(			self	:	str		):
       print(self.vertex		)
       for i in self.vertex:
             print(_UpperCAmelCase   ,							' -> '   ,							' -> '.join([str(_UpperCAmelCase		) for j in self.vertex[i]]		)		)

 def       lowerCAmelCase_							(			self	:	str   ,							_UpperCAmelCase	:	int   ,							_UpperCAmelCase	:	int		):
       # check if vertex is already present,
       if from_vertex in self.vertex:
             self.vertex[from_vertex].append(_UpperCAmelCase		)
       else:
             # else make a new vertex
             _A        =       [to_vertex]

 def       lowerCAmelCase_							(			self	:	Union[str, Any]		):
       # visited array for storing already visited nodes
       _A        =       [False] * len(self.vertex		)

       # call the recursive helper function
       for i in range(len(self.vertex		)		):
             if not visited[i]:
                   self.dfs_recursive(_UpperCAmelCase   ,							_UpperCAmelCase		)



 def       lowerCAmelCase_							(			self	:	List[str]   ,							_UpperCAmelCase	:	int   ,							_UpperCAmelCase	:	list		):
       # mark start vertex as visited
       _A        =       True

       print(_UpperCAmelCase   ,							end=' '		)

       # Recur for all the vertices that are adjacent to this node
       for i in self.vertex:
             if not visited[i]:
                   self.dfs_recursive(_UpperCAmelCase   ,							_UpperCAmelCase		)


if __name__ == "__main__":
       a         =      Graph()
       g.add_edge(0, 1)
       g.add_edge(0, 2)
       g.add_edge(1, 2)
       g.add_edge(2, 0)
       g.add_edge(2, 3)
       g.add_edge(3, 3)

       g.print_graph()
       print('''DFS:''')
       g.dfs()

       # OUTPUT:
       # 0  ->  1 -> 2
       # 1  ->  2
       # 2  ->  0 -> 3
       # 3  ->  3
       # DFS:
       #  0 1 2 3







"""simple docstring"""

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

from .. import config
from .logging import get_logger


a         =      get_logger(__name__)





class     lowercase_	(					enum.Enum							):



 '''simple docstring'''
 UpperCAmelCase   :					Optional[int]				  =     '''all_checks'''
 UpperCAmelCase   :					List[Any]				  =     '''basic_checks'''
 UpperCAmelCase   :					Any				  =     '''no_checks'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''






def 						_snake_case					( _snake_case							: Optional[dict]    ,  _snake_case							: dict    ,  _snake_case							: Dict=None							)   -> Dict:






      '''simple docstring'''


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



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''





class     lowercase_	(					__lowerCAmelCase							):



 '''simple docstring'''






def 						_snake_case					( _snake_case							: Optional[dict]    ,  _snake_case							: dict							)   -> List[str]:






      '''simple docstring'''


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






def 						_snake_case					( _snake_case							: str    ,  _snake_case							: bool = True							)   -> dict:






      '''simple docstring'''


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







def 						_snake_case					( _snake_case							: int							)   -> int:






      '''simple docstring'''


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

