






from __future__ import annotations

from random import random
from typing import Generic, TypeVar

A__      :     Tuple       =					TypeVar('KT')
A__      :     Union[str, Any]       =					TypeVar('VT')
class  _UpperCAmelCase   (			Generic[KT, VT]      ):

				"""simple docstring"""




				def __init__(	self		:       Dict,    lowerCamelCase		:       KT | str = "root",    lowerCamelCase		:       VT | None = None    ):

								'''simple docstring'''
								lowercase__  					=     key
								lowercase__  					=     value
								lowercase__  					=     []




				def __repr__(	self		:       int    ):

								'''simple docstring'''
								return F"""Node({self.key}: {self.value})"""




				@property
				def 							lowercase__  (	self		:       List[Any]    ):

								'''simple docstring'''
								return len(self.forward    )



class  _UpperCAmelCase   (			Generic[KT, VT]      ):

				"""simple docstring"""




				def __init__(	self		:       List[Any],    lowerCamelCase		:       float = 0.5,    lowerCamelCase		:       int = 16    ):

								'''simple docstring'''
								lowercase__  					=     Node[KT, VT]()
								lowercase__  					=     0
								lowercase__  					=     p
								lowercase__  					=     max_level




				def __str__(	self		:       Dict    ):

								'''simple docstring'''
								lowercase__  					=     list(self    )

								if len(lowerCamelCase    ) == 0:
												return F"""SkipList(level={self.level})"""

								lowercase__  					=     max((len(str(lowerCamelCase    )    ) for item in items),    default=4    )
								lowercase__  					=     max(lowerCamelCase,    4    ) + 4

								lowercase__  					=     self.head
								lowercase__  					=     []

								lowercase__  					=     node.forward.copy()
								lines.append(F"""[{node.key}]""".ljust(lowerCamelCase,    '''-'''    ) + '''* ''' * len(lowerCamelCase    )    )
								lines.append(''' ''' * label_size + '''| ''' * len(lowerCamelCase    )    )

								while len(node.forward    ) != 0:
												lowercase__  					=     node.forward[0]

												lines.append(
												    F"""[{node.key}]""".ljust(lowerCamelCase,    '''-'''    )
												    + ''' '''.join(str(n.key    ) if n.key == node.key else '''|''' for n in forwards    )    )
												lines.append(''' ''' * label_size + '''| ''' * len(lowerCamelCase    )    )
												lowercase__  					=     node.forward

								lines.append('''None'''.ljust(lowerCamelCase    ) + '''* ''' * len(lowerCamelCase    )    )
								return F"""SkipList(level={self.level})\n""" + "\n".join(lowerCamelCase    )




				def __iter__(	self		:       Optional[Any]    ):

								'''simple docstring'''
								lowercase__  					=     self.head

								while len(node.forward    ) != 0:
												yield node.forward[0].key
												lowercase__  					=     node.forward[0]




				def 							lowercase__  (	self		:       int    ):

								'''simple docstring'''
								lowercase__  					=     1
								while random() < self.p and level < self.max_level:
												level += 1

								return level




				def 							lowercase__  (	self		:       List[str],    lowerCamelCase		:       Any    ):

								'''simple docstring'''
								lowercase__  					=     []

								lowercase__  					=     self.head

								for i in reversed(range(self.level    )    ):
												# i < node.level - When node level is lesser than `i` decrement `i`.
												# node.forward[i].key < key - Jumping to node with key value higher
												#                             or equal to searched key would result
												#                             in skipping searched key.
												while i < node.level and node.forward[i].key < key:
																lowercase__  					=     node.forward[i]
												# Each leftmost node (relative to searched node) will potentially have to
												# be updated.
												update_vector.append(lowerCamelCase    )

								update_vector.reverse()  # Note that we were inserting values in reverse order.

								# len(node.forward) != 0 - If current node doesn't contain any further
								#                          references then searched key is not present.
								# node.forward[0].key == key - Next node key should be equal to search key
								#                              if key is present.
								if len(node.forward    ) != 0 and node.forward[0].key == key:
												return node.forward[0], update_vector
								else:
												return None, update_vector




				def 							lowercase__  (	self		:       Tuple,    lowerCamelCase		:       KT    ):

								'''simple docstring'''
								lowercase__					,		lowercase__  					=     self._locate_node(lowerCamelCase    )

								if node is not None:
												for i, update_node in enumerate(lowerCamelCase    ):
																# Remove or replace all references to removed node.
																if update_node.level > i and update_node.forward[i].key == key:
																				if node.level > i:
																								lowercase__  					=     node.forward[i]
																				else:
																								lowercase__  					=     update_node.forward[:i]




				def 							lowercase__  (	self		:       Union[str, Any],    lowerCamelCase		:       KT,    lowerCamelCase		:       VT    ):

								'''simple docstring'''
								lowercase__					,		lowercase__  					=     self._locate_node(lowerCamelCase    )
								if node is not None:
												lowercase__  					=     value
								else:
												lowercase__  					=     self.random_level()

												if level > self.level:
																# After level increase we have to add additional nodes to head.
																for _ in range(self.level - 1,    lowerCamelCase    ):
																				update_vector.append(self.head    )
																lowercase__  					=     level

												lowercase__  					=     Node(lowerCamelCase,    lowerCamelCase    )

												for i, update_node in enumerate(update_vector[:level]    ):
																# Change references to pass through new node.
																if update_node.level > i:
																				new_node.forward.append(update_node.forward[i]    )

																if update_node.level < i + 1:
																				update_node.forward.append(lowerCamelCase    )
																else:
																				lowercase__  					=     new_node




				def 							lowercase__  (	self		:       Tuple,    lowerCamelCase		:       VT    ):

								'''simple docstring'''
								lowercase__					,		lowercase__  					=     self._locate_node(lowerCamelCase    )

								if node is not None:
												return node.value

								return None






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()
				skip_list.insert('''Key1'''						,  3							)
				skip_list.insert('''Key2'''						,  12							)
				skip_list.insert('''Key3'''						,  41							)
				skip_list.insert('''Key4'''						,  -19							)

				lowercase__  					=     skip_list.head
				lowercase__  					=     {}
				while node.level != 0:
								lowercase__  					=     node.forward[0]
								lowercase__  					=     node.value

				assert len(lowerCamelCase_							) == 4
				assert all_values["Key1"] == 3
				assert all_values["Key2"] == 12
				assert all_values["Key3"] == 41
				assert all_values["Key4"] == -19






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()
				skip_list.insert('''Key1'''						,  10							)
				skip_list.insert('''Key1'''						,  12							)

				skip_list.insert('''Key5'''						,  7							)
				skip_list.insert('''Key7'''						,  10							)
				skip_list.insert('''Key10'''						,  5							)

				skip_list.insert('''Key7'''						,  7							)
				skip_list.insert('''Key5'''						,  5							)
				skip_list.insert('''Key10'''						,  10							)

				lowercase__  					=     skip_list.head
				lowercase__  					=     {}
				while node.level != 0:
								lowercase__  					=     node.forward[0]
								lowercase__  					=     node.value

				if len(lowerCamelCase_							) != 4:
								print()
				assert len(lowerCamelCase_							) == 4
				assert all_values["Key1"] == 12
				assert all_values["Key7"] == 7
				assert all_values["Key5"] == 5
				assert all_values["Key10"] == 10






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()
				assert skip_list.find('''Some key'''							) is None






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()

				skip_list.insert('''Key2'''						,  20							)
				assert skip_list.find('''Key2'''							) == 20

				skip_list.insert('''Some Key'''						,  10							)
				skip_list.insert('''Key2'''						,  8							)
				skip_list.insert('''V'''						,  13							)

				assert skip_list.find('''Y'''							) is None
				assert skip_list.find('''Key2'''							) == 8
				assert skip_list.find('''Some Key'''							) == 10
				assert skip_list.find('''V'''							) == 13






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()
				skip_list.delete('''Some key'''							)

				assert len(skip_list.head.forward							) == 0






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()

				skip_list.insert('''Key1'''						,  12							)
				skip_list.insert('''V'''						,  13							)
				skip_list.insert('''X'''						,  14							)
				skip_list.insert('''Key2'''						,  15							)

				skip_list.delete('''V'''							)
				skip_list.delete('''Key2'''							)

				assert skip_list.find('''V'''							) is None
				assert skip_list.find('''Key2'''							) is None






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()

				skip_list.insert('''Key1'''						,  12							)
				skip_list.insert('''V'''						,  13							)
				skip_list.insert('''X'''						,  14							)
				skip_list.insert('''Key2'''						,  15							)

				skip_list.delete('''V'''							)
				assert skip_list.find('''V'''							) is None
				assert skip_list.find('''X'''							) == 14
				assert skip_list.find('''Key1'''							) == 12
				assert skip_list.find('''Key2'''							) == 15

				skip_list.delete('''X'''							)
				assert skip_list.find('''V'''							) is None
				assert skip_list.find('''X'''							) is None
				assert skip_list.find('''Key1'''							) == 12
				assert skip_list.find('''Key2'''							) == 15

				skip_list.delete('''Key1'''							)
				assert skip_list.find('''V'''							) is None
				assert skip_list.find('''X'''							) is None
				assert skip_list.find('''Key1'''							) is None
				assert skip_list.find('''Key2'''							) == 15

				skip_list.delete('''Key2'''							)
				assert skip_list.find('''V'''							) is None
				assert skip_list.find('''X'''							) is None
				assert skip_list.find('''Key1'''							) is None
				assert skip_list.find('''Key2'''							) is None






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()

				skip_list.insert('''Key1'''						,  12							)
				skip_list.insert('''V'''						,  13							)
				skip_list.insert('''X'''						,  142							)
				skip_list.insert('''Key2'''						,  15							)

				skip_list.delete('''X'''							)

				def traverse_keys(lowerCamelCase_							):
								yield node.key
								for forward_node in node.forward:
												yield from traverse_keys(lowerCamelCase_							)

				assert len(set(traverse_keys(skip_list.head							)							)							) == 4






def     a     (		):






				'''simple docstring'''
				def is_sorted(lowerCamelCase_							):
								return all(next_item >= item for item, next_item in zip(lowerCamelCase_						,  lst[1:]							)							)

				lowercase__  					=     SkipList()
				for i in range(10							):
								skip_list.insert(lowerCamelCase_						,  lowerCamelCase_							)
				assert is_sorted(list(lowerCamelCase_							)							)
				skip_list.delete(5							)
				skip_list.delete(8							)
				skip_list.delete(2							)
				assert is_sorted(list(lowerCamelCase_							)							)
				skip_list.insert(-12						,  -12							)
				skip_list.insert(77						,  77							)
				assert is_sorted(list(lowerCamelCase_							)							)






def     a     (		):






				'''simple docstring'''
				for _ in range(100							):
								# Repeat test 100 times due to the probabilistic nature of skip list
								# random values == random bugs
								test_insert()
								test_insert_overrides_existing_value()

								test_searching_empty_list_returns_none()
								test_search()

								test_deleting_item_from_empty_list_do_nothing()
								test_deleted_items_are_not_founded_by_find_method()
								test_delete_removes_only_given_key()
								test_delete_doesnt_leave_dead_nodes()

								test_iter_always_yields_sorted_values()






def     a     (		):






				'''simple docstring'''
				lowercase__  					=     SkipList()
				skip_list.insert(2						,  '''2'''							)
				skip_list.insert(4						,  '''4'''							)
				skip_list.insert(6						,  '''4'''							)
				skip_list.insert(4						,  '''5'''							)
				skip_list.insert(8						,  '''4'''							)
				skip_list.insert(9						,  '''4'''							)

				skip_list.delete(4							)

				print(lowerCamelCase_							)


if __name__ == "__main__":
							import doctest

							doctest.testmod()
							main()












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__      :     int       =					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     a     (		lowerCamelCase_							):






				'''simple docstring'''
				if "://" in dataset_path:
								lowercase__  					=     dataset_path.split('''://'''							)[1]
				return dataset_path






def     a     (		lowerCamelCase_							):






				'''simple docstring'''
				if fs is not None and fs.protocol != "file":
								return True
				else:
								return False






def     a     (		lowerCamelCase_						,  lowerCamelCase_						,  lowerCamelCase_							):






				'''simple docstring'''
				lowercase__  					=     not is_remote_filesystem(lowerCamelCase_							)
				if is_local:
								# LocalFileSystem.mv does copy + rm, it is more efficient to simply move a local directory
								shutil.move(fs._strip_protocol(lowerCamelCase_							)						,  fs._strip_protocol(lowerCamelCase_							)							)
				else:
								fs.mv(lowerCamelCase_						,  lowerCamelCase_						,  recursive=lowerCamelCase_							)






def     a     (		):






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




