
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			):

  """simple docstring"""
  SCREAMING_SNAKE_CASE__         =      """"""
  SCREAMING_SNAKE_CASE__         =      """hf-legacy"""  # "hf://"" is reserved for hffs







  def __init__(self	,      SCREAMING_SNAKE_CASE_ = None	,      SCREAMING_SNAKE_CASE_ = None	,      **SCREAMING_SNAKE_CASE_	,      ):
       super().__init__(self	,      **SCREAMING_SNAKE_CASE_						)
       UpperCamelCase__				=    repo_info
       UpperCamelCase__				=    token
       UpperCamelCase__				=    None







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







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







  def 	UpperCAmelCase_ (self	,      SCREAMING_SNAKE_CASE_	,      **SCREAMING_SNAKE_CASE_						):
       self._get_dirs()
       UpperCamelCase__				=    self._strip_protocol(SCREAMING_SNAKE_CASE_						)
       if path in self.dir_cache:
            return self.dir_cache[path]
       else:
            raise FileNotFoundError(SCREAMING_SNAKE_CASE_						)







  def 	UpperCAmelCase_ (self	,      SCREAMING_SNAKE_CASE_	,      SCREAMING_SNAKE_CASE_=False	,      **SCREAMING_SNAKE_CASE_						):
       self._get_dirs()
       UpperCamelCase__				=    PurePosixPath(path.strip("""/"""						)						)
       UpperCamelCase__				=    {}
       for p, f in self.dir_cache.items():
            UpperCamelCase__				=    PurePosixPath(p.strip("""/"""						)						)
            UpperCamelCase__				=    p.parent
            if root == path:
                 UpperCamelCase__				=    f
       UpperCamelCase__				=    list(paths.values()						)
       if detail:
            return out
       else:
            return sorted(f["""name"""] for f in out						)







from __future__ import annotations






def 						__magic_name__			(   __a      :	list[list[int]]						):



     '''simple docstring'''




     for i in range(1	,		len(matrix[0]						)						):
          matrix[0][i] += matrix[0][i - 1]

     # preprocessing the first column
     for i in range(1	,		len(__a						)						):
          matrix[i][0] += matrix[i - 1][0]

     # updating the path cost for current position
     for i in range(1	,		len(__a						)						):
          for j in range(1	,		len(matrix[0]						)						):
               matrix[i][j] += min(matrix[i - 1][j]	,		matrix[i][j - 1]						)

     return matrix[-1][-1]


if __name__ == "__main__":
    import doctest

    doctest.testmod()





