
'''simple docstring'''






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  UpperCAmelCase__						(       UpperCAmelCase__ ):
    lowerCAmelCase_				    =		''
    lowerCAmelCase_				    =		'hf-legacy'  # "hf://"" is reserved for hffs



    def __init__(	self      :       Any,__A      :       Optional[DatasetInfo] = None,__A      :       Optional[str] = None,**__A      :       Union[str, Any],):
          super().__init__(self,**__A     )
          _lowerCamelCase				:   str								=   repo_info
          _lowerCamelCase				:   Union[str, Any]								=   token
          _lowerCamelCase				:   int								=   None



    def   lowerCamelCase_  (	self      :       Optional[int]     ):




          if self.dir_cache is None:
                _lowerCamelCase				:   List[str]								=   {}
                for hf_file in self.repo_info.siblings:
                      # TODO(QL): add sizes
                      _lowerCamelCase				:   Tuple								=   {
                          """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   lowerCamelCase_  (	self      :       List[Any],__A      :       str,__A      :       str = "rb",**__A      :       str,):




          if not isinstance(self.repo_info,__A     ):
                raise NotImplementedError(f'Open is only implemented for dataset repositories, but got {self.repo_info}'     )
          _lowerCamelCase				:   Optional[Any]								=   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   lowerCamelCase_  (	self      :       Any,__A      :       Tuple,**__A      :       int     ):
          self._get_dirs()
          _lowerCamelCase				:   str								=   self._strip_protocol(__A     )
          if path in self.dir_cache:
                return self.dir_cache[path]
          else:
                raise FileNotFoundError(__A     )



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



'''simple docstring'''






def 		A_       (	_lowerCAmelCase   :    float							):



      """simple docstring"""




      return 10 - x * x







def 		A_       (	_lowerCAmelCase   :    float				,	_lowerCAmelCase   :    float							):



      """simple docstring"""




      if equation(_lowerCAmelCase							) * equation(_lowerCAmelCase							) >= 0:
            raise ValueError("Wrong space!"							)

      _lowerCamelCase				:   List[str]								=   a
      while (b - a) >= 0.0_1:
            # Find middle point
            _lowerCamelCase				:   Union[str, Any]								=   (a + b) / 2
            # Check if middle point is root
            if equation(_lowerCAmelCase							) == 0.0:
                  break
            # Decide the side to repeat the steps
            if equation(_lowerCAmelCase							) * equation(_lowerCAmelCase							) < 0:
                  _lowerCamelCase				:   Union[str, Any]								=   c
            else:
                  _lowerCamelCase				:   Any								=   c
      return c


if __name__ == "__main__":
 import doctest

 doctest.testmod()

 print(bisection(-2, 5))
 print(bisection(0, 6))