

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 			lowercase    (	lowercase_      ):
				__SCREAMING_SNAKE_CASE :			Union[str, Any]	      =      ''''''
				__SCREAMING_SNAKE_CASE :			Tuple	      =      '''hf-legacy'''  # "hf://"" is reserved for hffs




				def __init__( self				,       snake_case = None				,       snake_case = None				,       **snake_case				,       ):
											super().__init__(self				,       **snake_case	)
											snake_case_          =   repo_info
											snake_case_          =   token
											snake_case_          =   None




				def    a							( self	):
											if self.dir_cache is None:
																		snake_case_          =   {}
																		for hf_file in self.repo_info.siblings:
																									# TODO(QL): add sizes
																									snake_case_          =   {
																									    '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    a							( self				,       snake_case				,       snake_case = "rb"				,       **snake_case				,       ):
											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_          =   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    a							( self				,       snake_case				,       **snake_case	):
											self._get_dirs()
											snake_case_          =   self._strip_protocol(snake_case	)
											if path in self.dir_cache:
																		return self.dir_cache[path]
											else:
																		raise FileNotFoundError(snake_case	)




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







def  __lowerCamelCase     (			UpperCamelCase__				):







							'''simple docstring'''






							snake_case_          =   len(UpperCamelCase__				)
							for _ in range(UpperCamelCase__				):
														for i in range(_ % 2       ,							arr_size - 1       ,							2				):
																					if arr[i + 1] < arr[i]:
																												snake_case_    ,   snake_case_          =   arr[i + 1], arr[i]

							return arr


if __name__ == "__main__":
					_UpperCAmelCase		:       Dict						    =	list(range(10, 0, -1))
					print(F'''Original: {arr}. Sorted: {odd_even_transposition(arr)}''')




