

'''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     a			(				SCREAMING_SNAKE_CASE       ):






						"""simple docstring"""




						__UpperCAmelCase			     =    """"""
						__UpperCAmelCase			     =    """hf-legacy"""  # "hf://"" is reserved for hffs







						def __init__(							self					:      str			,			snake_case_					:      Optional[DatasetInfo] = None			,			snake_case_					:      Optional[str] = None			,			**snake_case_					:      int			,			):



								'''simple docstring'''



								super().__init__(self			,			**snake_case_  )
								snake_case__						:       int       						=  repo_info
								snake_case__						:       int       						=  token
								snake_case__						:       str       						=  None







						def       __magic_name__							(							self					:      Union[str, Any]  ):



								'''simple docstring'''



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







						def       __magic_name__							(							self					:      int			,			snake_case_					:      str			,			snake_case_					:      str = "rb"			,			**snake_case_					:      Optional[int]			,			):



								'''simple docstring'''



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







						def       __magic_name__							(							self					:      List[str]			,			snake_case_					:      Any			,			**snake_case_					:      List[Any]  ):



								'''simple docstring'''



								self._get_dirs()
								snake_case__						:       List[Any]       						=  self._strip_protocol(snake_case_  )
								if path in self.dir_cache:
										return self.dir_cache[path]
								else:
										raise FileNotFoundError(snake_case_  )







						def       __magic_name__							(							self					:      Dict			,			snake_case_					:      Any			,			snake_case_					:      Tuple=False			,			**snake_case_					:      Tuple  ):



								'''simple docstring'''



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






'''simple docstring'''


from bisect import bisect
from itertools import accumulate




def 	_a       (				__lowerCAmelCase		:      Optional[int]   ,							__lowerCAmelCase		:      Tuple   ,							__lowerCAmelCase		:      List[Any]   ,							__lowerCAmelCase		:      Optional[Any]     ):

		"""simple docstring"""

		snake_case__						:       Any       						=  sorted(zip(__lowerCAmelCase   ,							__lowerCAmelCase     )   ,							key=lambda __lowerCAmelCase     : x[0] / x[1]   ,							reverse=__lowerCAmelCase     )
		snake_case__						,       snake_case__						:       Union[str, Any]       						=  [i[0] for i in r], [i[1] for i in r]
		snake_case__						:       Dict       						=  list(accumulate(__lowerCAmelCase     )     )
		snake_case__						:       Optional[int]       						=  bisect(__lowerCAmelCase   ,							__lowerCAmelCase     )
		return (
		    0
		    if k == 0
		    else sum(vl[:k]     ) + (w - acc[k - 1]) * (vl[k]) / (wt[k])
		    if k != n
		    else sum(vl[:k]     )
		)


if __name__ == "__main__":
					import doctest

					doctest.testmod()



