
"""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(       lowerCamelCase      ):
		lowercase__         = ''
		lowercase__         = 'hf-legacy'  # "hf://"" is reserved for hffs



		def __init__(   self							,						__a = None							,						__a = None							,						**__a							,						)			->			int:






							'''simple docstring'''
							super().__init__(self							,						**__a)
							_UpperCamelCase									=    repo_info
							_UpperCamelCase									=    token
							_UpperCamelCase									=    None



		def 		UpperCAmelCase				(   self)			->			List[Any]:






							'''simple docstring'''
							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(__a): {'''name''': str(__a), '''size''': None, '''type''': '''directory'''}
																	        for d in list(PurePosixPath(hf_file.rfilename).parents)[:-1]
																	    })



		def 		UpperCAmelCase				(   self							,						__a							,						__a = "rb"							,						**__a							,						)			->			List[str]:






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



		def 		UpperCAmelCase				(   self							,						__a							,						**__a)			->			Dict:






							'''simple docstring'''
							self._get_dirs()
							_UpperCamelCase									=    self._strip_protocol(__a)
							if path in self.dir_cache:
												return self.dir_cache[path]
							else:
												raise FileNotFoundError(__a)




		def 		UpperCAmelCase				(   self							,						__a							,						__a=False							,						**__a)			->			str:






							'''simple docstring'''
							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)








"""simple docstring"""


def  lowercase						(	lowerCAmelCase__						):
			return " ".join(input_str.split()[::-1]						)


if __name__ == "__main__":
						import doctest

						doctest.testmod()



