

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  __lowerCAmelCase     (					SCREAMING_SNAKE_CASE							):
  _a									=  ''
  _a									=  'hf-legacy'  # "hf://"" is reserved for hffs




  def __init__(				self							,   lowerCAmelCase = None							,   lowerCAmelCase = None							,   **lowerCAmelCase							,   )  -> Dict:
        '''simple docstring'''






        super().__init__(self							,   **lowerCAmelCase					)
        _lowercase	       =repo_info
        _lowercase	       =token
        _lowercase	       =None




  def   A__     (				self					)  -> List[str]:
        '''simple docstring'''






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




  def   A__     (				self							,   lowerCAmelCase							,   lowerCAmelCase = "rb"							,   **lowerCAmelCase							,   )  -> Any:
        '''simple docstring'''






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




  def   A__     (				self							,   lowerCAmelCase							,   **lowerCAmelCase					)  -> Any:
        '''simple docstring'''






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




  def   A__     (				self							,   lowerCAmelCase							,   lowerCAmelCase=False							,   **lowerCAmelCase					)  -> Optional[int]:
        '''simple docstring'''






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







'''simple docstring'''





from __future__ import annotations

import math




def lowerCAmelCase  (__A  ,	__A):



     """simple docstring"""



     _a      =  u
     for i in range(1  ,	__A):
          _a      =  temp * (u - i)
     return temp




def lowerCAmelCase  ():



     """simple docstring"""



     _a      =  int(input('''enter the numbers of values: '''))
     _a      =  []
     for _ in range(__A):
          y.append([])
     for i in range(__A):
          for j in range(__A):
               y[i].append(__A)
               _a      =  0

     print('''enter the values of parameters in a list: ''')
     _a      =  list(map(__A  ,	input().split()))

     print('''enter the values of corresponding parameters: ''')
     for i in range(__A):
          _a      =  float(input())

     _a      =  int(input('''enter the value to interpolate: '''))
     _a      =  (value - x[0]) / (x[1] - x[0])

     # for calculating forward difference table

     for i in range(1  ,	__A):
          for j in range(n - i):
               _a      =  y[j + 1][i - 1] - y[j][i - 1]

     _a      =  y[0][0]
     for i in range(1  ,	__A):
          summ += (ucal(__A  ,	__A) * y[0][i]) / math.factorial(__A)

     print(F'''the value at {value} is {summ}''')


if __name__ == "__main__":
  main()



