






'''simple docstring'''







from typing import Dict, List, Optional

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


_A     :      str   					=logging.get_logger(__name__)


_A     :      str   					={
    "nielsr/canine-s": 2_048,
}

# Unicode defines 1,114,112 total “codepoints”
_A     :      List[str]   					=1_114_112

# Below: Constants defining canonical codepoints for special, pseudo-characters.
# Copied from https://github.com/google-research/language/blob/master/language/canine/special_codepoints.py
_A     :      Any   					=0

_A     :      Tuple   					=0xe_0_0_0
_A     :      Optional[Any]   					=0xe_0_0_1
_A     :      Tuple   					=0xe_0_0_2
_A     :      Union[str, Any]   					=0xe_0_0_3
_A     :      Dict   					=0xe_0_0_4

# Maps special codepoints to human-readable names.
_A     :      Dict[int, str]   					={
    # Special symbols are represented using codepoints values that are valid,
    # but designated as "Private Use", meaning that they will never be assigned
    # characters by the Unicode Consortium, and are thus safe for use here.
    #
    # NOTE: Do *NOT* add any sort of [UNK_CHAR] here. They are explicitly
    # excluded and should fail with a hard error.
    CLS: "[CLS]",
    SEP: "[SEP]",
    BOS: "[BOS]",
    MASK: "[MASK]",
    PAD: "[PAD]",
    RESERVED: "[RESERVED]",
}

# Maps special codepoint human-readable names to their codepoint values.
_A     :      Dict[str, int]   					={name: codepoint for codepoint, name in SPECIAL_CODEPOINTS.items()}

class _lowercase     (    snake_case__		):
							a    				=	PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES




							def __init__(							self:    Dict      ,							UpperCamelCase__:    int=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    List[str]=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    Union[str, Any]=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    int=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    List[Any]=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    Any=chr(UpperCAmelCase_					)      ,							UpperCamelCase__:    int=False      ,							UpperCamelCase__:    Optional[Any]=2_048      ,							**UpperCamelCase__:    List[str]      ,							):
														lowerCamelCase__ :     Any	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else bos_token
														lowerCamelCase__ :     int	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else eos_token
														lowerCamelCase__ :     Union[str, Any]	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else sep_token
														lowerCamelCase__ :     Tuple	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else cls_token
														lowerCamelCase__ :     List[Any]	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else pad_token

														# Mask token behave like a normal word, i.e. include the space before it
														lowerCamelCase__ :     List[Any]	  =	AddedToken(UpperCAmelCase_      ,							lstrip=UpperCAmelCase_      ,							rstrip=UpperCAmelCase_					) if isinstance(UpperCAmelCase_      ,							UpperCAmelCase_					) else mask_token

														super().__init__(
														    bos_token=UpperCAmelCase_      ,							eos_token=UpperCAmelCase_      ,							sep_token=UpperCAmelCase_      ,							cls_token=UpperCAmelCase_      ,							pad_token=UpperCAmelCase_      ,							mask_token=UpperCAmelCase_      ,							add_prefix_space=UpperCAmelCase_      ,							model_max_length=UpperCAmelCase_      ,							**UpperCAmelCase_      ,							)

														# Creates a mapping for looking up the IDs of special symbols.
														lowerCamelCase__ :     Dict[str, int]	  =	{}
														for codepoint, name in SPECIAL_CODEPOINTS.items():
																					lowerCamelCase__ :     Optional[Any]	  =	codepoint

														# Creates a mapping for looking up the string forms of special symbol IDs.
														lowerCamelCase__ :     Dict[int, str]	  =	{
														    codepoint: name for name, codepoint in self._special_codepoints.items()
														}

														lowerCamelCase__ :     List[Any]	  =	UNICODE_VOCAB_SIZE
														lowerCamelCase__ :     str	  =	len(self._special_codepoints					)




							@property
							def 		lowerCamelCase_    (							self:    int					):
														return self._unicode_vocab_size




							def 		lowerCamelCase_    (							self:    Optional[int]      ,							UpperCamelCase__:    str					):
														return list(UpperCAmelCase_					)




							def 		lowerCamelCase_    (							self:    List[Any]      ,							UpperCamelCase__:    str					):
														try:
																					return ord(UpperCAmelCase_					)
														except TypeError:
																					raise ValueError(F'''invalid token: \'{token}\''''					)




							def 		lowerCamelCase_    (							self:    Optional[int]      ,							UpperCamelCase__:    int					):
														try:
																					if index in SPECIAL_CODEPOINTS:
																												return SPECIAL_CODEPOINTS[index]
																					return chr(UpperCAmelCase_					)
														except TypeError:
																					raise ValueError(F'''invalid id: {index}'''					)




							def 		lowerCamelCase_    (							self:    Optional[Any]      ,							UpperCamelCase__:    Optional[Any]					):
														return "".join(UpperCAmelCase_					)




							def 		lowerCamelCase_    (							self:    Optional[int]      ,							UpperCamelCase__:    List[int]      ,							UpperCamelCase__:    Optional[List[int]] = None					):
														lowerCamelCase__ :     Any	  =	[self.sep_token_id]
														lowerCamelCase__ :     List[str]	  =	[self.cls_token_id]

														lowerCamelCase__ :     Union[str, Any]	  =	cls + token_ids_a + sep
														if token_ids_a is not None:
																					result += token_ids_a + sep
														return result




							def 		lowerCamelCase_    (							self:    Union[str, Any]      ,							UpperCamelCase__:    List[int]      ,							UpperCamelCase__:    Optional[List[int]] = None      ,							UpperCamelCase__:    bool = False					):
														if already_has_special_tokens:
																					return super().get_special_tokens_mask(
																					    token_ids_a=UpperCAmelCase_      ,							token_ids_a=UpperCAmelCase_      ,							already_has_special_tokens=UpperCAmelCase_					)

														lowerCamelCase__ :     List[str]	  =	[1] + ([0] * len(UpperCAmelCase_					)) + [1]
														if token_ids_a is not None:
																					result += ([0] * len(UpperCAmelCase_					)) + [1]
														return result




							def 		lowerCamelCase_    (							self:    Union[str, Any]      ,							UpperCamelCase__:    List[int]      ,							UpperCamelCase__:    Optional[List[int]] = None					):
														lowerCamelCase__ :     List[str]	  =	[self.sep_token_id]
														lowerCamelCase__ :     List[Any]	  =	[self.cls_token_id]

														lowerCamelCase__ :     Optional[Any]	  =	len(cls + token_ids_a + sep					) * [0]
														if token_ids_a is not None:
																					result += len(token_ids_a + sep					) * [1]
														return result




							def 		lowerCamelCase_    (							self:    Any      ,							UpperCamelCase__:    str      ,							UpperCamelCase__:    Optional[str] = None					):
														return ()









'''simple docstring'''







from __future__ import annotations

from typing import Any

class _lowercase     (    _lowercase		):
							pass



class _lowercase     :




							def __init__(							self:    Optional[int]      ,							UpperCamelCase__:    Any					):
														lowerCamelCase__ :     Any	  =	data
														lowerCamelCase__ :     Node | None	  =	None




							def __iter__(							self:    List[Any]					):
														lowerCamelCase__ :     Optional[Any]	  =	self
														lowerCamelCase__ :     int	  =	[]
														while node:
																					if node in visited:
																												raise ContainsLoopError
																					visited.append(UpperCamelCase__					)
																					yield node.data
																					lowerCamelCase__ :     List[str]	  =	node.next_node




							@property
							def 		lowerCamelCase_    (							self:    Optional[Any]					):
														try:
																					list(self					)
																					return False
														except ContainsLoopError:
																					return True


if __name__ == "__main__":
			_A     :      Any   					=Node(1)
			_A     :      Optional[int]   					=Node(2)
			_A     :      Dict   					=Node(3)
			_A     :      Optional[Any]   					=Node(4)
			print(root_node.has_loop)  # False
			_A     :      Any   					=root_node.next_node
			print(root_node.has_loop)  # True

			_A     :      Dict   					=Node(5)
			_A     :      Union[str, Any]   					=Node(6)
			_A     :      str   					=Node(5)
			_A     :      int   					=Node(6)
			print(root_node.has_loop)  # False

			_A     :      Optional[Any]   					=Node(1)
			print(root_node.has_loop)  # False

