






'''simple docstring'''




from typing import Dict, List, Optional

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


lowerCAmelCase__          =						logging.get_logger(__name__)


lowerCAmelCase__          =						{
    'nielsr/canine-s': 2048,
}

# Unicode defines 1,114,112 total “codepoints”
lowerCAmelCase__          =						111_4112

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

lowerCAmelCase__          =						0xE_0_0_0
lowerCAmelCase__          =						0xE_0_0_1
lowerCAmelCase__          =						0xE_0_0_2
lowerCAmelCase__          =						0xE_0_0_3
lowerCAmelCase__          =						0xE_0_0_4

# Maps special codepoints to human-readable names.
lowerCAmelCase__          =						{
    # 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.
lowerCAmelCase__          =						{name: codepoint for codepoint, name in SPECIAL_CODEPOINTS.items()}







class       __lowercase					(__lowerCamelCase    ):
	_lowerCamelCase              =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES

	def __init__(      self   :						Dict  ,					UpperCAmelCase_   :						Union[str, Any]=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						int=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						int=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						List[Any]=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						Union[str, Any]=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						List[Any]=chr(UpperCAmelCase_)  ,					UpperCAmelCase_   :						int=False  ,					UpperCAmelCase_   :						List[str]=2_048  ,					**UpperCAmelCase_   :						Optional[int]  ,					):
			UpperCamelCase__				:					Optional[int]					=					AddedToken(UpperCAmelCase_  ,					lstrip=UpperCAmelCase_  ,					rstrip=UpperCAmelCase_) if isinstance(UpperCAmelCase_  ,					UpperCAmelCase_) else bos_token
			UpperCamelCase__				:					List[str]					=					AddedToken(UpperCAmelCase_  ,					lstrip=UpperCAmelCase_  ,					rstrip=UpperCAmelCase_) if isinstance(UpperCAmelCase_  ,					UpperCAmelCase_) else eos_token
			UpperCamelCase__				:					Tuple					=					AddedToken(UpperCAmelCase_  ,					lstrip=UpperCAmelCase_  ,					rstrip=UpperCAmelCase_) if isinstance(UpperCAmelCase_  ,					UpperCAmelCase_) else sep_token
			UpperCamelCase__				:					Dict					=					AddedToken(UpperCAmelCase_  ,					lstrip=UpperCAmelCase_  ,					rstrip=UpperCAmelCase_) if isinstance(UpperCAmelCase_  ,					UpperCAmelCase_) else cls_token
			UpperCamelCase__				:					int					=					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
			UpperCamelCase__				:					str					=					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.
			UpperCamelCase__				:					Dict[str, int]					=					{}
			for codepoint, name in SPECIAL_CODEPOINTS.items():
					UpperCamelCase__				:					List[Any]					=					codepoint

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

			UpperCamelCase__				:					Optional[int]					=					UNICODE_VOCAB_SIZE
			UpperCamelCase__				:					Union[str, Any]					=					len(self._special_codepoints)

	@property
	def      __UpperCamelCase							(      self   :						Dict):
			return self._unicode_vocab_size

	def      __UpperCamelCase							(      self   :						str  ,					UpperCAmelCase_   :						str):
			return list(UpperCAmelCase_)

	def      __UpperCamelCase							(      self   :						str  ,					UpperCAmelCase_   :						str):
			try:
					return ord(UpperCAmelCase_)
			except TypeError:
					raise ValueError(F'invalid token: \'{token}\'')

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

	def      __UpperCamelCase							(      self   :						Dict  ,					UpperCAmelCase_   :						List[Any]):
			return "".join(UpperCAmelCase_)

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

			UpperCamelCase__				:					Dict					=					cls + token_ids_a + sep
			if token_ids_a is not None:
					result += token_ids_a + sep
			return result

	def      __UpperCamelCase							(      self   :						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_)

			UpperCamelCase__				:					Optional[int]					=					[1] + ([0] * len(UpperCAmelCase_)) + [1]
			if token_ids_a is not None:
					result += ([0] * len(UpperCAmelCase_)) + [1]
			return result

	def      __UpperCamelCase							(      self   :						List[Any]  ,					UpperCAmelCase_   :						List[int]  ,					UpperCAmelCase_   :						Optional[List[int]] = None):
			UpperCamelCase__				:					Tuple					=					[self.sep_token_id]
			UpperCamelCase__				:					str					=					[self.cls_token_id]

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





	def      __UpperCamelCase							(      self   :						int  ,					UpperCAmelCase_   :						str  ,					UpperCAmelCase_   :						Optional[str] = None):
			return ()












'''simple docstring'''




from ..utils import DummyObject, requires_backends







class       __lowercase					(metaclass=__lowerCamelCase    ):
	_lowerCamelCase              =  ['''torch''', '''scipy''']

	def __init__(      self   :						List[Any]  ,					*UpperCAmelCase_   :						Any  ,					**UpperCAmelCase_   :						int):
			requires_backends(self  ,					['torch', 'scipy'])

	@classmethod
	def      __UpperCamelCase							(      cls   :						Union[str, Any]  ,					*UpperCAmelCase_   :						Any  ,					**UpperCAmelCase_   :						List[Any]):
			requires_backends(cls  ,					['torch', 'scipy'])





	@classmethod
	def      __UpperCamelCase							(      cls   :						Union[str, Any]  ,					*UpperCAmelCase_   :						Optional[Any]  ,					**UpperCAmelCase_   :						Any):
			requires_backends(cls  ,					['torch', 'scipy'])




