






"""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			(	_A      ):
 UpperCamelCase					:       Tuple			=					''''''
 UpperCamelCase					:       int			=					'''hf-legacy'''  # "hf://"" is reserved for hffs


 def __init__(     self		:						Optional[Any]							,						UpperCAmelCase__		:						Optional[DatasetInfo] = None							,						UpperCAmelCase__		:						Optional[str] = None							,						**UpperCAmelCase__		:						Optional[int]							,						)					->       str:
   super().__init__(self							,						**UpperCamelCase__							)
   _a  :       Optional[int]             =	repo_info
   _a  :       Union[str, Any]             =	token
   _a  :       Dict             =	None


 def _lowercase	(     self		:						Tuple							)					->       Union[str, Any]:






   if self.dir_cache is None:
     _a  :       Optional[int]             =	{}
     for hf_file in self.repo_info.siblings:
       # TODO(QL): add sizes
       _a  :       int             =	{
           """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 _lowercase	(     self		:						Tuple							,						UpperCAmelCase__		:						str							,						UpperCAmelCase__		:						str = "rb"							,						**UpperCAmelCase__		:						Dict							,						)					->       str:






   if not isinstance(self.repo_info							,						UpperCamelCase__							):
     raise NotImplementedError(f"""Open is only implemented for dataset repositories, but got {self.repo_info}"""							)
   _a  :       Optional[int]             =	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 _lowercase	(     self		:						int							,						UpperCAmelCase__		:						Tuple							,						**UpperCAmelCase__		:						Any							)					->       Any:
   self._get_dirs()
   _a  :       List[str]             =	self._strip_protocol(UpperCamelCase__							)
   if path in self.dir_cache:
     return self.dir_cache[path]
   else:
     raise FileNotFoundError(UpperCamelCase__							)







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



def a__    (       A_					):






  '''simple docstring'''





  if not isinstance(A_,     A_					):
    raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""					)
  if len(A_					) == 0:
    raise ValueError("""Input list must be a non empty list"""					)
  if len(A_					) == 1:
    return True
  __magic_name__				     =       series[1] - series[0]
  for index in range(len(A_					) - 1					):
    if series[index + 1] - series[index] != common_diff:
      return False
  return True

def a__    (       A_					):






  '''simple docstring'''





  if not isinstance(A_,     A_					):
    raise ValueError("""Input series is not valid, valid series - [2, 4, 6]"""					)
  if len(A_					) == 0:
    raise ValueError("""Input list must be a non empty list"""					)
  __magic_name__				     =       0
  for val in series:
    answer += val
  return answer / len(A_					)


if __name__ == "__main__":
    import doctest

    doctest.testmod()

