




'''simple docstring'''





class 			UpperCAmelCase_      :




							'''simple docstring'''



							def __init__(					self       :	int       ,     a       :	Tuple       ,     a       :	List[Any]=None       ,     a       :	Union[str, Any]=None			)			->					List[str]:
										SCREAMING_SNAKE_CASE           =					data
										SCREAMING_SNAKE_CASE           =					previous
										SCREAMING_SNAKE_CASE           =					next_node





							def __str__(					self       :	Optional[Any]			)			->					str:
										return f"""{self.data}"""





							def    _UpperCAmelCase     (					self       :	Union[str, Any]			)			->					int:
										return self.data





							def    _UpperCAmelCase     (					self       :	Union[str, Any]			)			->					Optional[Any]:
										return self.next







							def    _UpperCAmelCase     (					self       :	int			)			->					Any:
										return self.previous





class 			UpperCAmelCase_      :




							'''simple docstring'''



							def __init__(					self       :	Tuple       ,     a       :	Tuple			)			->					Tuple:
										SCREAMING_SNAKE_CASE           =					head





							def __iter__(					self       :	List[str]			)			->					str:
										return self







							def    _UpperCAmelCase     (					self       :	List[str]			)			->					Any:
										if not self.current:
													raise StopIteration
										else:
													SCREAMING_SNAKE_CASE           =					self.current.get_data()
													SCREAMING_SNAKE_CASE           =					self.current.get_next()
													return value





class 			UpperCAmelCase_      :




							'''simple docstring'''



							def __init__(					self       :	Tuple			)			->					Union[str, Any]:
										SCREAMING_SNAKE_CASE           =					None  # First node in list
										SCREAMING_SNAKE_CASE           =					None  # Last node in list





							def __str__(					self       :	int			)			->					Optional[Any]:
										SCREAMING_SNAKE_CASE           =					self.head
										SCREAMING_SNAKE_CASE           =					[]
										while current is not None:
													nodes.append(current.get_data()			)
													SCREAMING_SNAKE_CASE           =					current.get_next()
										return " ".join(str(a			) for node in nodes			)





							def __contains__(					self       :	List[str]       ,     a       :	int			)			->					List[str]:
										SCREAMING_SNAKE_CASE           =					self.head
										while current:
													if current.get_data() == value:
																return True
													SCREAMING_SNAKE_CASE           =					current.get_next()
										return False





							def __iter__(					self       :	str			)			->					Tuple:
										return LinkedListIterator(self.head			)





							def    _UpperCAmelCase     (					self       :	Optional[Any]			)			->					Tuple:
										if self.head:
													return self.head.get_data()
										return None





							def    _UpperCAmelCase     (					self       :	Optional[int]			)			->					Union[str, Any]:
										if self.tail:
													return self.tail.get_data()
										return None





							def    _UpperCAmelCase     (					self       :	Optional[Any]       ,     a       :	Any			)			->					None:
										if self.head is None:
													SCREAMING_SNAKE_CASE           =					node
													SCREAMING_SNAKE_CASE           =					node
										else:
													self.insert_before_node(self.head       ,     a			)





							def    _UpperCAmelCase     (					self       :	Any       ,     a       :	Tuple			)			->					None:
										if self.head is None:
													self.set_head(a			)
										else:
													self.insert_after_node(self.tail       ,     a			)





							def    _UpperCAmelCase     (					self       :	Dict       ,     a       :	Optional[int]			)			->					None:
										SCREAMING_SNAKE_CASE           =					Node(a			)
										if self.head is None:
													self.set_head(a			)
										else:
													self.set_tail(a			)





							def    _UpperCAmelCase     (					self       :	Any       ,     a       :	int       ,     a       :	str			)			->					None:
										SCREAMING_SNAKE_CASE           =					node
										SCREAMING_SNAKE_CASE           =					node.previous

										if node.get_previous() is None:
													SCREAMING_SNAKE_CASE           =					node_to_insert
										else:
													SCREAMING_SNAKE_CASE           =					node_to_insert

										SCREAMING_SNAKE_CASE           =					node_to_insert





							def    _UpperCAmelCase     (					self       :	str       ,     a       :	Dict       ,     a       :	List[str]			)			->					None:
										SCREAMING_SNAKE_CASE           =					node
										SCREAMING_SNAKE_CASE           =					node.next

										if node.get_next() is None:
													SCREAMING_SNAKE_CASE           =					node_to_insert
										else:
													SCREAMING_SNAKE_CASE           =					node_to_insert

										SCREAMING_SNAKE_CASE           =					node_to_insert





							def    _UpperCAmelCase     (					self       :	Optional[Any]       ,     a       :	Union[str, Any]       ,     a       :	List[Any]			)			->					None:
										SCREAMING_SNAKE_CASE           =					1
										SCREAMING_SNAKE_CASE           =					Node(a			)
										SCREAMING_SNAKE_CASE           =					self.head
										while node:
													if current_position == position:
																self.insert_before_node(a       ,     a			)
																return
													current_position += 1
													SCREAMING_SNAKE_CASE           =					node.next
										self.insert_after_node(self.tail       ,     a			)





							def    _UpperCAmelCase     (					self       :	Union[str, Any]       ,     a       :	Union[str, Any]			)			->					Node:
										SCREAMING_SNAKE_CASE           =					self.head
										while node:
													if node.get_data() == item:
																return node
													SCREAMING_SNAKE_CASE           =					node.get_next()
										raise Exception("""Node not found"""			)





							def    _UpperCAmelCase     (					self       :	Any       ,     a       :	List[str]			)			->					Tuple:
										if (node := self.get_node(a			)) is not None:
													if node == self.head:
																SCREAMING_SNAKE_CASE           =					self.head.get_next()

													if node == self.tail:
																SCREAMING_SNAKE_CASE           =					self.tail.get_previous()

													self.remove_node_pointers(a			)





							@staticmethod
							def    _UpperCAmelCase     (					a       :	List[str]			)			->					None:
										if node.get_next():
													SCREAMING_SNAKE_CASE           =					node.previous

										if node.get_previous():
													SCREAMING_SNAKE_CASE           =					node.next

										SCREAMING_SNAKE_CASE           =					None
										SCREAMING_SNAKE_CASE           =					None







							def    _UpperCAmelCase     (					self       :	List[str]			)			->					Any:
										return self.head is None





def 					lowerCamelCase_    (    ):
			'''simple docstring'''




if __name__ == "__main__":
		import doctest

		doctest.testmod()












import importlib
import shutil
import threading
import warnings
from typing import List

import fsspec
import fsspec.asyn

from . import compression
from .hffilesystem import HfFileSystem


__A						:							Tuple							=  importlib.util.find_spec("""s3fs""") is not None

if _has_safs:
		from .safilesystem import SaFileSystem  # noqa: F401

__A						:							List[compression.BaseCompressedFileFileSystem]							=  [
    compression.BzaFileSystem,
    compression.GzipFileSystem,
    compression.LzaFileSystem,
    compression.XzFileSystem,
    compression.ZstdFileSystem,
]

# Register custom filesystems
for fs_class in COMPRESSION_FILESYSTEMS + [HfFileSystem]:
		if fs_class.protocol in fsspec.registry and fsspec.registry[fs_class.protocol] is not fs_class:
				warnings.warn(f'''A filesystem protocol was already set for {fs_class.protocol} and will be overwritten.''')
		fsspec.register_implementation(fs_class.protocol, fs_class, clobber=True)
def 					lowerCamelCase_    (    SCREAMING_SNAKE_CASE   ):
			'''simple docstring'''
			if "://" in dataset_path:
						SCREAMING_SNAKE_CASE           =					dataset_path.split("""://"""   )[1]
			return dataset_path
def 					lowerCamelCase_    (    SCREAMING_SNAKE_CASE   ):
			'''simple docstring'''
			if fs is not None and fs.protocol != "file":
						return True
			else:
						return False
def 					lowerCamelCase_    (    SCREAMING_SNAKE_CASE					,	SCREAMING_SNAKE_CASE					,	SCREAMING_SNAKE_CASE   ):
			'''simple docstring'''
			SCREAMING_SNAKE_CASE           =					not is_remote_filesystem(SCREAMING_SNAKE_CASE   )
			if is_local:
						# LocalFileSystem.mv does copy + rm, it is more efficient to simply move a local directory
						shutil.move(fs._strip_protocol(SCREAMING_SNAKE_CASE   )					,	fs._strip_protocol(SCREAMING_SNAKE_CASE   )   )
			else:
						fs.mv(SCREAMING_SNAKE_CASE					,	SCREAMING_SNAKE_CASE					,	recursive=SCREAMING_SNAKE_CASE   )




def 					lowerCamelCase_    (    ):
			'''simple docstring'''
			if hasattr(fsspec.asyn					,	"""reset_lock"""   ):
						# for future fsspec>2022.05.0
						fsspec.asyn.reset_lock()
			else:
						SCREAMING_SNAKE_CASE           =					None
						SCREAMING_SNAKE_CASE           =					None
						SCREAMING_SNAKE_CASE           =					threading.Lock()






