


"""simple docstring"""


from __future__ import annotations

from collections.abc import MutableSequence
class   _UpperCamelCase  :
							'''simple docstring'''







							def __init__(     self    ,   __a    ,   __a	):
										if len(UpperCAmelCase__	) != degree + 1:
													raise ValueError(
													    "The number of coefficients should be equal to the degree + 1."	)

										__lowerCAmelCase				    =			list(UpperCAmelCase__	)
										__lowerCAmelCase				    =			degree

							def __add__(     self    ,   __a	):

										if self.degree > polynomial_a.degree:
													__lowerCAmelCase				    =			self.coefficients[:]
													for i in range(polynomial_a.degree + 1	):
																coefficients[i] += polynomial_a.coefficients[i]
													return Polynomial(self.degree    ,   UpperCAmelCase__	)
										else:
													__lowerCAmelCase				    =			polynomial_a.coefficients[:]
													for i in range(self.degree + 1	):
																coefficients[i] += self.coefficients[i]
													return Polynomial(polynomial_a.degree    ,   UpperCAmelCase__	)

							def __sub__(     self    ,   __a	):
										return self + polynomial_a * Polynomial(0    ,   [-1]	)

							def __neg__(     self	):
										return Polynomial(self.degree    ,   [-c for c in self.coefficients]	)

							def __mul__(     self    ,   __a	):
										__lowerCAmelCase				    =			[0] * (self.degree + polynomial_a.degree + 1)
										for i in range(self.degree + 1	):
													for j in range(polynomial_a.degree + 1	):
																coefficients[i + j] += (
																    self.coefficients[i] * polynomial_a.coefficients[j]
																)

										return Polynomial(self.degree + polynomial_a.degree    ,   UpperCAmelCase__	)

							def 			snake_case				(     self    ,   __a	):
										__lowerCAmelCase				    =			0
										for i in range(self.degree + 1	):
													result += self.coefficients[i] * (substitution**i)
										return result

							def __str__(     self	):
										__lowerCAmelCase				    =			""
										for i in range(self.degree    ,   -1    ,   -1	):
													if self.coefficients[i] == 0:
																continue
													elif self.coefficients[i] > 0:
																if polynomial:
																			polynomial += " + "
													else:
																polynomial += " - "

													if i == 0:
																polynomial += str(abs(self.coefficients[i]	)	)
													elif i == 1:
																polynomial += str(abs(self.coefficients[i]	)	) + "x"
													else:
																polynomial += str(abs(self.coefficients[i]	)	) + "x^" + str(UpperCAmelCase__	)

										return polynomial

							def __repr__(     self	):
										return self.__str__()

							def 			snake_case				(     self	):
										__lowerCAmelCase				    =			[0] * self.degree
										for i in range(self.degree	):
													__lowerCAmelCase				    =			self.coefficients[i + 1] * (i + 1)
										return Polynomial(self.degree - 1    ,   UpperCAmelCase__	)

							def 			snake_case				(     self    ,   __a = 0	):
										__lowerCAmelCase				    =			[0] * (self.degree + 2)
										__lowerCAmelCase				    =			constant
										for i in range(self.degree + 1	):
													__lowerCAmelCase				    =			self.coefficients[i] / (i + 1)
										return Polynomial(self.degree + 1    ,   UpperCAmelCase__	)

							def __eq__(     self    ,   __a	):
										if not isinstance(UpperCAmelCase__    ,   UpperCAmelCase__	):
													return False

										if self.degree != polynomial_a.degree:
													return False

										for i in range(self.degree + 1	):
													if self.coefficients[i] != polynomial_a.coefficients[i]:
																return False

										return True



							def __ne__(     self    ,   __a	):
										return not self.__eq__(UpperCAmelCase__	)








'''simple docstring'''




from typing import List, Optional

from tokenizers import ByteLevelBPETokenizer

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import logging
from .tokenization_blenderbot_small import BlenderbotSmallTokenizer


__snake_case    						=logging.get_logger(__name__)

__snake_case    						={
    """vocab_file""": """vocab.json""",
    """merges_file""": """merges.txt""",
    """tokenizer_config_file""": """tokenizer_config.json""",
}

__snake_case    						={
    """vocab_file""": {
        """facebook/blenderbot_small-90M""": """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/vocab.json"""
    },
    """merges_file""": {
        """facebook/blenderbot_small-90M""": """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/merges.txt"""
    },
    """tokenizer_config_file""": {
        """facebook/blenderbot_small-90M""": (
            """https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/tokenizer_config.json"""
        )
    },
}

__snake_case    						={
    """facebook/blenderbot_small-90M""": 512,
}

class 		UpperCAmelCase_      (  __lowercase		):
     lowerCamelCase				:	Tuple		=     VOCAB_FILES_NAMES
     lowerCamelCase				:	Optional[int]		=     PRETRAINED_VOCAB_FILES_MAP
     lowerCamelCase				:	Union[str, Any]		=     PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     lowerCamelCase				:	Optional[Any]		=     BlenderbotSmallTokenizer





     def __init__( self       :      Any    ,      UpperCAmelCase__       :      Union[str, Any]=None    ,      UpperCAmelCase__       :      Dict=None    ,      UpperCAmelCase__       :      int="<|endoftext|>"    ,      UpperCAmelCase__       :      Dict="<|endoftext|>"    ,      UpperCAmelCase__       :      str="<|endoftext|>"    ,      UpperCAmelCase__       :      str=False    ,      UpperCAmelCase__       :      Tuple=True    ,      **UpperCAmelCase__       :      Optional[Any]    ,      )				->  Any:
        super().__init__(
            ByteLevelBPETokenizer(
                vocab=UpperCAmelCase__    ,      merges=UpperCAmelCase__    ,      add_prefix_space=UpperCAmelCase__    ,      trim_offsets=UpperCAmelCase__    ,      )    ,      bos_token=UpperCAmelCase__    ,      eos_token=UpperCAmelCase__    ,      unk_token=UpperCAmelCase__    ,      **UpperCAmelCase__    ,      )
        lowerCAmelCase     =			add_prefix_space





     def 							__UpperCAmelCase      ( self       :      List[Any]    ,      UpperCAmelCase__       :      Union[str, Any]    ,      UpperCAmelCase__       :      Dict=None    )				->  Any:
        lowerCAmelCase     =			[self.bos_token_id] + token_ids_a + [self.eos_token_id]
        if token_ids_a is None:
           return output

        return output + [self.eos_token_id] + token_ids_a + [self.eos_token_id]





     def 							__UpperCAmelCase      ( self       :      Any    ,      UpperCAmelCase__       :      List[int]    ,      UpperCAmelCase__       :      Optional[List[int]] = None    )				->  List[int]:
        lowerCAmelCase     =			[self.sep_token_id]
        lowerCAmelCase     =			[self.cls_token_id]

        if token_ids_a is None:
           return len(cls + token_ids_a + sep    ) * [0]
        return len(cls + token_ids_a + sep + sep + token_ids_a + sep    ) * [0]





