





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_					(			_lowerCamelCase   ):
   lowerCAmelCase__        = """"""
   lowerCAmelCase__        = """hf-legacy"""  # "hf://"" is reserved for hffs




   def __init__(self	:List[Any]    ,   _UpperCamelCase	:Optional[DatasetInfo] = None    ,   _UpperCamelCase	:Optional[str] = None    ,   **_UpperCamelCase	:Any    ,   )->					str:
         super().__init__(self    ,   **_UpperCamelCase )
         __A          =				repo_info
         __A          =				token
         __A          =				None




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




   def _lowerCAmelCase      (self	:List[str]    ,   _UpperCamelCase	:str    ,   _UpperCamelCase	:str = "rb"    ,   **_UpperCamelCase	:Tuple    ,   )->					Optional[Any]:
         if not isinstance(self.repo_info    ,   _UpperCamelCase ):
               raise NotImplementedError(f"""Open is only implemented for dataset repositories, but got {self.repo_info}""" )
         __A          =				hf_hub_url(self.repo_info.id    ,   _UpperCamelCase    ,   revision=self.repo_info.sha )
         return fsspec.open(
             _UpperCamelCase    ,   mode=_UpperCamelCase    ,   headers=get_authentication_headers_for_url(_UpperCamelCase    ,   use_auth_token=self.token )    ,   client_kwargs={'''trust_env''': True}    ,   ).open()




   def _lowerCAmelCase      (self	:List[str]    ,   _UpperCamelCase	:Optional[Any]    ,   **_UpperCamelCase	:List[str] )->					Any:
         self._get_dirs()
         __A          =				self._strip_protocol(_UpperCamelCase )
         if path in self.dir_cache:
               return self.dir_cache[path]
         else:
               raise FileNotFoundError(_UpperCamelCase )






   def _lowerCAmelCase      (self	:List[Any]    ,   _UpperCamelCase	:Any    ,   _UpperCamelCase	:List[str]=False    ,   **_UpperCamelCase	:Optional[int] )->					str:
         self._get_dirs()
         __A          =				PurePosixPath(path.strip('''/''' ) )
         __A          =				{}
         for p, f in self.dir_cache.items():
               __A          =				PurePosixPath(p.strip('''/''' ) )
               __A          =				p.parent
               if root == path:
                     __A          =				f
         __A          =				list(paths.values() )
         if detail:
               return out
         else:
               return sorted(f['''name'''] for f in out )












from __future__ import annotations



def _a				(	lowerCamelCase:   list[int | str] )	->						None:







      '''simple docstring'''






      create_state_space_tree(lowerCamelCase					,				[]					,				0					,				[0 for i in range(len(lowerCamelCase ) )] )



def _a				(	lowerCamelCase:   list[int | str]					,				lowerCamelCase:   list[int | str]					,				lowerCamelCase:   int					,				lowerCamelCase:   list[int]					,				)	->						None:







      '''simple docstring'''






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

      for i in range(len(lowerCamelCase ) ):
            if not index_used[i]:
                  current_sequence.append(sequence[i] )
                  __A          =				True
                  create_state_space_tree(lowerCamelCase					,				lowerCamelCase					,				index + 1					,				lowerCamelCase )
                  current_sequence.pop()
                  __A          =				False
snake_case__					:							list[int | str]													=     [3, 1, 2, 4]
generate_all_permutations(sequence)

snake_case__					:							list[int | str]													=     ["A", "B", "C"]







generate_all_permutations(sequence_a)





