

"""simple docstring"""






from __future__ import annotations

from random import random
from typing import Generic, TypeVar

snake_case_   :   int        =       TypeVar("""KT""")
snake_case_   :   Optional[int]        =       TypeVar("""VT""")







class       snake_case__  ( Generic[KT, VT]     ):







			def __init__(			self			: List[str]			,  lowercase			: KT | str = "root"			,  lowercase			: VT | None = None  ):





								'''simple docstring'''



								UpperCAmelCase			:   int      =				key
								UpperCAmelCase			:   List[str]      =				value
								UpperCAmelCase			:   list[Node[KT, VT]]      =				[]







			def __repr__(			self			: str  ):





								'''simple docstring'''



								return f"""Node({self.key}: {self.value})"""







			@property
			def 			__lowerCAmelCase				(			self			: int  ):





								'''simple docstring'''



								return len(self.forward  )







class       snake_case__  ( Generic[KT, VT]     ):







			def __init__(			self			: List[str]			,  lowercase			: float = 0.5			,  lowercase			: int = 16  ):





								'''simple docstring'''



								UpperCAmelCase			:   Node[KT, VT]      =				Node[KT, VT]()
								UpperCAmelCase			:   List[str]      =				0
								UpperCAmelCase			:   Tuple      =				p
								UpperCAmelCase			:   List[str]      =				max_level







			def __str__(			self			: Tuple  ):





								'''simple docstring'''



								UpperCAmelCase			:   Optional[Any]      =				list(self  )

								if len(__snake_case  ) == 0:
													return f"""SkipList(level={self.level})"""

								UpperCAmelCase			:   Dict      =				max((len(str(__snake_case  )  ) for item in items)			,  default=4  )
								UpperCAmelCase			:   Union[str, Any]      =				max(__snake_case			,  4  ) + 4

								UpperCAmelCase			:   Optional[Any]      =				self.head
								UpperCAmelCase			:   Dict      =				[]

								UpperCAmelCase			:   Optional[Any]      =				node.forward.copy()
								lines.append(f"""[{node.key}]""".ljust(__snake_case			,  "-"  ) + "* " * len(__snake_case  )  )
								lines.append(" " * label_size + "| " * len(__snake_case  )  )

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

													lines.append(
													    f"""[{node.key}]""".ljust(__snake_case			,  "-"  )
													    + " ".join(str(n.key  ) if n.key == node.key else "|" for n in forwards  )  )
													lines.append(" " * label_size + "| " * len(__snake_case  )  )
													UpperCAmelCase			:   Tuple      =				node.forward

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







			def __iter__(			self			: Optional[int]  ):





								'''simple docstring'''



								UpperCAmelCase			:   Tuple      =				self.head

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







			def 			__lowerCAmelCase				(			self			: List[Any]  ):





								'''simple docstring'''



								UpperCAmelCase			:   int      =				1
								while random() < self.p and level < self.max_level:
													level += 1

								return level







			def 			__lowerCAmelCase				(			self			: int			,  lowercase			: Any  ):





								'''simple docstring'''



								UpperCAmelCase			:   List[Any]      =				[]

								UpperCAmelCase			:   Union[str, Any]      =				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:
																		UpperCAmelCase			:   Tuple      =				node.forward[i]
													# Each leftmost node (relative to searched node) will potentially have to
													# be updated.
													update_vector.append(__snake_case  )

								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 			__lowerCAmelCase				(			self			: int			,  lowercase			: KT  ):





								'''simple docstring'''



								UpperCAmelCase			:   Tuple      =				self._locate_node(__snake_case  )

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







			def 			__lowerCAmelCase				(			self			: Dict			,  lowercase			: KT			,  lowercase			: VT  ):





								'''simple docstring'''



								UpperCAmelCase			:   Any      =				self._locate_node(__snake_case  )
								if node is not None:
													UpperCAmelCase			:   Union[str, Any]      =				value
								else:
													UpperCAmelCase			:   Union[str, Any]      =				self.random_level()

													if level > self.level:
																		# After level increase we have to add additional nodes to head.
																		for _ in range(self.level - 1			,  __snake_case  ):
																							update_vector.append(self.head  )
																		UpperCAmelCase			:   Union[str, Any]      =				level

													UpperCAmelCase			:   Any      =				Node(__snake_case			,  __snake_case  )

													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(__snake_case  )
																		else:
																							UpperCAmelCase			:   Optional[int]      =				new_node







			def 			__lowerCAmelCase				(			self			: Optional[Any]			,  lowercase			: VT  ):





								'''simple docstring'''



								UpperCAmelCase			:   List[str]      =				self._locate_node(__snake_case  )

								if node is not None:
													return node.value

								return None



def   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Optional[Any]      =				SkipList()
					skip_list.insert("Key1"							,      3	)
					skip_list.insert("Key2"							,      12	)
					skip_list.insert("Key3"							,      41	)
					skip_list.insert("Key4"							,      -19	)

					UpperCAmelCase			:   Any      =				skip_list.head
					UpperCAmelCase			:   List[Any]      =				{}
					while node.level != 0:
										UpperCAmelCase			:   List[Any]      =				node.forward[0]
										UpperCAmelCase			:   Optional[int]      =				node.value

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



def   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Optional[int]      =				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	)

					UpperCAmelCase			:   Tuple      =				skip_list.head
					UpperCAmelCase			:   int      =				{}
					while node.level != 0:
										UpperCAmelCase			:   Tuple      =				node.forward[0]
										UpperCAmelCase			:   Dict      =				node.value

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



def   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   List[str]      =				SkipList()
					assert skip_list.find("Some key"	) is None



def   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Optional[int]      =				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   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Union[str, Any]      =				SkipList()
					skip_list.delete("Some key"	)

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



def   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   str      =				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   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Tuple      =				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   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Union[str, Any]      =				SkipList()

					skip_list.insert("Key1"							,      12	)
					skip_list.insert("V"							,      13	)
					skip_list.insert("X"							,      1_42	)
					skip_list.insert("Key2"							,      15	)

					skip_list.delete("X"	)

					def traverse_keys(_lowercase       :		Dict	):
										yield node.key
										for forward_node in node.forward:
															yield from traverse_keys(a_	)

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



def   lowercase_	(    ):




					'''simple docstring'''






					def is_sorted(_lowercase       :		List[str]	):
										return all(next_item >= item for item, next_item in zip(a_							,      lst[1:]	)	)

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



def   lowercase_	(    ):




					'''simple docstring'''






					for _ in range(1_00	):
										# 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   lowercase_	(    ):




					'''simple docstring'''






					UpperCAmelCase			:   Any      =				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(a_	)


if __name__ == "__main__":
	import doctest

	doctest.testmod()
	main()





"""simple docstring"""






from ...configuration_utils import PretrainedConfig
from ...utils import logging


snake_case_   :   List[Any]        =       logging.get_logger(__name__)

snake_case_   :   List[Any]        =       {
    """RWKV/rwkv-4-169m-pile""": """https://huggingface.co/RWKV/rwkv-4-169m-pile/resolve/main/config.json""",
    """RWKV/rwkv-4-430m-pile""": """https://huggingface.co/RWKV/rwkv-4-430m-pile/resolve/main/config.json""",
    """RWKV/rwkv-4-1b5-pile""": """https://huggingface.co/RWKV/rwkv-4-1b5-pile/resolve/main/config.json""",
    """RWKV/rwkv-4-3b-pile""": """https://huggingface.co/RWKV/rwkv-4-3b-pile/resolve/main/config.json""",
    """RWKV/rwkv-4-7b-pile""": """https://huggingface.co/RWKV/rwkv-4-7b-pile/resolve/main/config.json""",
    """RWKV/rwkv-4-14b-pile""": """https://huggingface.co/RWKV/rwkv-4-14b-pile/resolve/main/config.json""",
    """RWKV/rwkv-raven-1b5""": """https://huggingface.co/RWKV/rwkv-raven-1b5/resolve/main/config.json""",
    """RWKV/rwkv-raven-3b""": """https://huggingface.co/RWKV/rwkv-raven-3b/resolve/main/config.json""",
    """RWKV/rwkv-raven-7b""": """https://huggingface.co/RWKV/rwkv-raven-7b/resolve/main/config.json""",
    """RWKV/rwkv-raven-14b""": """https://huggingface.co/RWKV/rwkv-raven-14b/resolve/main/config.json""",
}







class       snake_case__  ( lowerCAmelCase_     ):
			SCREAMING_SNAKE_CASE__     				=						'''rwkv'''
			SCREAMING_SNAKE_CASE__     				=						{'''max_position_embeddings''': '''context_length'''}







			def __init__(			self			: int			,  lowercase			: Optional[Any]=5_02_77			,  lowercase			: Union[str, Any]=10_24			,  lowercase			: Union[str, Any]=40_96			,  lowercase			: List[str]=32			,  lowercase			: str=None			,  lowercase			: Tuple=None			,  lowercase			: Dict=1E-5			,  lowercase			: Any=0			,  lowercase			: List[Any]=0			,  lowercase			: int=6			,  lowercase			: Dict=False			,  lowercase			: Dict=True			,  **lowercase			: Optional[Any]			,  ):





								'''simple docstring'''



								UpperCAmelCase			:   Optional[int]      =				vocab_size
								UpperCAmelCase			:   List[str]      =				context_length
								UpperCAmelCase			:   Optional[Any]      =				hidden_size
								UpperCAmelCase			:   List[Any]      =				num_hidden_layers
								UpperCAmelCase			:   Union[str, Any]      =				attention_hidden_size if attention_hidden_size is not None else hidden_size
								UpperCAmelCase			:   List[Any]      =				intermediate_size if intermediate_size is not None else 4 * hidden_size
								UpperCAmelCase			:   Tuple      =				layer_norm_epsilon
								UpperCAmelCase			:   Optional[int]      =				rescale_every
								UpperCAmelCase			:   Tuple      =				use_cache

								UpperCAmelCase			:   Union[str, Any]      =				bos_token_id
								UpperCAmelCase			:   Optional[int]      =				eos_token_id

								super().__init__(
								    tie_word_embeddings=lowercase			,  bos_token_id=lowercase			,  eos_token_id=lowercase			,  **lowercase  )


