from pathlib import PurePosixPath
from typing import Optional

import fsspec
from fsspec import AbstractFileSystem
from huggingface_hub.hf_api import DatasetInfo

from ..utils.file_utils import get_authentication_headers_for_url
from ..utils.hub import hf_hub_url







class 						A(		UpperCamelCase     ):



 '''simple docstring'''


 UpperCamelCase		     =		''''''
 UpperCamelCase		     =		'''hf-legacy'''  # "hf://"" is reserved for hffs

 def __init__(       self      :						str		,							A_      :						Optional[DatasetInfo] = None		,							A_      :						Optional[str] = None		,							**A_      :						Tuple		,							)     ->			int:

       """simple docstring"""






       super().__init__(self		,							**A_						)
       lowerCamelCase_	  =					repo_info
       lowerCamelCase_	  =					token
       lowerCamelCase_	  =					None

 def        a__				(       self      :						Dict						)     ->			Union[str, Any]:

       """simple docstring"""






       if self.dir_cache is None:
             lowerCamelCase_	  =					{}
             for hf_file in self.repo_info.siblings:
                   # TODO(QL): add sizes
                   lowerCamelCase_	  =					{
                       'name': hf_file.rfilename,
                       'size': None,
                       'type': 'file',
                   }
                   self.dir_cache.update(
                       {
                           str(A_						): {'name': str(A_						), 'size': None, 'type': 'directory'}
                           for d in list(PurePosixPath(hf_file.rfilename						).parents						)[:-1]
                       }						)

 def        a__				(       self      :						str		,							A_      :						str		,							A_      :						str = "rb"		,							**A_      :						Any		,							)     ->			Union[str, Any]:

       """simple docstring"""






       if not isinstance(self.repo_info		,							A_						):
             raise NotImplementedError(f"""Open is only implemented for dataset repositories, but got {self.repo_info}"""						)
       lowerCamelCase_	  =					hf_hub_url(self.repo_info.id		,							A_		,							revision=self.repo_info.sha						)
       return fsspec.open(
           A_		,							mode=A_		,							headers=get_authentication_headers_for_url(A_		,							use_auth_token=self.token						)		,							client_kwargs={'trust_env': True}		,							).open()

 def        a__				(       self      :						Union[str, Any]		,							A_      :						str		,							**A_      :						Any						)     ->			str:

       """simple docstring"""






       self._get_dirs()
       lowerCamelCase_	  =					self._strip_protocol(A_						)
       if path in self.dir_cache:
             return self.dir_cache[path]
       else:
             raise FileNotFoundError(A_						)





 def        a__				(       self      :						Union[str, Any]		,							A_      :						Any		,							A_      :						Tuple=False		,							**A_      :						Optional[Any]						)     ->			str:

       """simple docstring"""






       self._get_dirs()
       lowerCamelCase_	  =					PurePosixPath(path.strip('/'						)						)
       lowerCamelCase_	  =					{}
       for p, f in self.dir_cache.items():
             lowerCamelCase_	  =					PurePosixPath(p.strip('/'						)						)
             lowerCamelCase_	  =					p.parent
             if root == path:
                   lowerCamelCase_	  =					f
       lowerCamelCase_	  =					list(paths.values()						)
       if detail:
             return out
       else:
             return sorted(f['name'] for f in out						)









from __future__ import annotations

from fractions import Fraction

def     _SCREAMING_SNAKE_CASE    (							lowercase			: int			,							lowercase			: int  ):


      '''simple docstring'''



      return (
          num != den and num % 10 == den // 10 and (num // 10) / (den % 10) == num / den
      )

def     _SCREAMING_SNAKE_CASE    (							lowercase			: int  ):


      '''simple docstring'''



      lowerCamelCase_	  =					[]
      lowerCamelCase_	  =					11
      lowerCamelCase_	  =					int('1' + '0' * digit_len  )
      for num in range(lowercase			,							lowercase  ):
            while den <= 99:
                  if (num != den) and (num % 10 == den // 10) and (den % 10 != 0):
                        if is_digit_cancelling(lowercase			,							lowercase  ):
                              solutions.append(f"""{num}/{den}"""  )
                  den += 1
            num += 1
            lowerCamelCase_	  =					10
      return solutions

def     _SCREAMING_SNAKE_CASE    (							lowercase			: int = 2  ):


      '''simple docstring'''



      lowerCamelCase_	  =					1.0
      for fraction in fraction_list(lowercase  ):
            lowerCamelCase_	  =					Fraction(lowercase  )
            result *= frac.denominator / frac.numerator
      return int(lowercase  )


if __name__ == "__main__":
 print(solution())



