



import os
from shutil import copyfile
from typing import Any, Dict, List, Optional, Tuple

import sentencepiece as spm

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


_snake_case	=						logging.get_logger(__name__)

_snake_case	=						"▁"

_snake_case	=						{"vocab_file": "sentencepiece.bpe.model"}

_snake_case	=						{
    "vocab_file": {
        "xlm-roberta-base": "https://huggingface.co/xlm-roberta-base/resolve/main/sentencepiece.bpe.model",
        "xlm-roberta-large": "https://huggingface.co/xlm-roberta-large/resolve/main/sentencepiece.bpe.model",
        "xlm-roberta-large-finetuned-conll02-dutch": (
            "https://huggingface.co/xlm-roberta-large-finetuned-conll02-dutch/resolve/main/sentencepiece.bpe.model"
        ),
        "xlm-roberta-large-finetuned-conll02-spanish": (
            "https://huggingface.co/xlm-roberta-large-finetuned-conll02-spanish/resolve/main/sentencepiece.bpe.model"
        ),
        "xlm-roberta-large-finetuned-conll03-english": (
            "https://huggingface.co/xlm-roberta-large-finetuned-conll03-english/resolve/main/sentencepiece.bpe.model"
        ),
        "xlm-roberta-large-finetuned-conll03-german": (
            "https://huggingface.co/xlm-roberta-large-finetuned-conll03-german/resolve/main/sentencepiece.bpe.model"
        ),
    }
}

_snake_case	=						{
    "xlm-roberta-base": 512,
    "xlm-roberta-large": 512,
    "xlm-roberta-large-finetuned-conll02-dutch": 512,
    "xlm-roberta-large-finetuned-conll02-spanish": 512,
    "xlm-roberta-large-finetuned-conll03-english": 512,
    "xlm-roberta-large-finetuned-conll03-german": 512,
}



class 						UpperCAmelCase_					( a):
							lowerCamelCase__         =	VOCAB_FILES_NAMES
							lowerCamelCase__         =	PRETRAINED_VOCAB_FILES_MAP
							lowerCamelCase__         =	PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							lowerCamelCase__         =	['input_ids', 'attention_mask']







							def __init__(     self,    __a,    __a="<s>",    __a="</s>",    __a="</s>",    __a="<s>",    __a="<unk>",    __a="<pad>",    __a="<mask>",    __a = None,    **__a,    ):

														'''simple docstring'''

														_lowerCAmelCase  :							Dict				     =					AddedToken(__a,    lstrip=__a,    rstrip=__a) if isinstance(__a,    __a) else mask_token

														_lowerCAmelCase  :							int				     =					{} if sp_model_kwargs is None else sp_model_kwargs

														super().__init__(
														    bos_token=__a,    eos_token=__a,    unk_token=__a,    sep_token=__a,    cls_token=__a,    pad_token=__a,    mask_token=__a,    sp_model_kwargs=self.sp_model_kwargs,    **__a,    )

														_lowerCAmelCase  :							Dict				     =					spm.SentencePieceProcessor(**self.sp_model_kwargs)
														self.sp_model.Load(str(__a))
														_lowerCAmelCase  :							Dict				     =					vocab_file

														# Original fairseq vocab and spm vocab must be "aligned":
														# Vocab    |    0    |    1    |   2    |    3    |  4  |  5  |  6  |   7   |   8   |  9
														# -------- | ------- | ------- | ------ | ------- | --- | --- | --- | ----- | ----- | ----
														# fairseq  | '<s>'   | '<pad>' | '</s>' | '<unk>' | ',' | '.' | '▁' | 's'   | '▁de' | '-'
														# spm      | '<unk>' | '<s>'   | '</s>' | ','     | '.' | '▁' | 's' | '▁de' | '-'   | '▁a'

														# Mimic fairseq token-to-id alignment for the first 4 token
														_lowerCAmelCase  :							Optional[int]				     =					{"<s>": 0, "<pad>": 1, "</s>": 2, "<unk>": 3}

														# The first "real" token "," has position 4 in the original fairseq vocab and position 3 in the spm vocab
														_lowerCAmelCase  :							Union[str, Any]				     =					1

														_lowerCAmelCase  :							List[Any]				     =					len(self.sp_model) + self.fairseq_offset
														_lowerCAmelCase  :							Union[str, Any]				     =					{v: k for k, v in self.fairseq_tokens_to_ids.items()}







							def __getstate__(     self):

														'''simple docstring'''

														_lowerCAmelCase  :							List[str]				     =					self.__dict__.copy()
														_lowerCAmelCase  :							Tuple				     =					None
														_lowerCAmelCase  :							int				     =					self.sp_model.serialized_model_proto()
														return state







							def __setstate__(     self,    __a):

														'''simple docstring'''

														_lowerCAmelCase  :							Optional[Any]				     =					d

														# for backward compatibility
														if not hasattr(self,    "sp_model_kwargs"):
																					_lowerCAmelCase  :							List[str]				     =					{}

														_lowerCAmelCase  :							Tuple				     =					spm.SentencePieceProcessor(**self.sp_model_kwargs)
														self.sp_model.LoadFromSerializedProto(self.sp_model_proto)







							def      snake_case__   (     self,    __a,    __a = None):

														'''simple docstring'''

														if token_ids_a is None:
																					return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
														_lowerCAmelCase  :							Tuple				     =					[self.cls_token_id]
														_lowerCAmelCase  :							str				     =					[self.sep_token_id]
														return cls + token_ids_a + sep + sep + token_ids_a + sep







							def      snake_case__   (     self,    __a,    __a = None,    __a = False):

														'''simple docstring'''

														if already_has_special_tokens:
																					return super().get_special_tokens_mask(
																					    token_ids_a=__a,    token_ids_a=__a,    already_has_special_tokens=__a)

														if token_ids_a is None:
																					return [1] + ([0] * len(__a)) + [1]
														return [1] + ([0] * len(__a)) + [1, 1] + ([0] * len(__a)) + [1]







							def      snake_case__   (     self,    __a,    __a = None):

														'''simple docstring'''

														_lowerCAmelCase  :							Dict				     =					[self.sep_token_id]
														_lowerCAmelCase  :							List[str]				     =					[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]







							@property
							def      snake_case__   (     self):

														'''simple docstring'''

														return len(self.sp_model) + self.fairseq_offset + 1  # Add the <mask> token







							def      snake_case__   (     self):

														'''simple docstring'''

														_lowerCAmelCase  :							Dict				     =					{self.convert_ids_to_tokens(__a): i for i in range(self.vocab_size)}
														vocab.update(self.added_tokens_encoder)
														return vocab







							def      snake_case__   (     self,    __a):

														'''simple docstring'''

														return self.sp_model.encode(__a,    out_type=__a)







							def      snake_case__   (     self,    __a):

														'''simple docstring'''

														if token in self.fairseq_tokens_to_ids:
																					return self.fairseq_tokens_to_ids[token]
														_lowerCAmelCase  :							Dict				     =					self.sp_model.PieceToId(__a)

														# Need to return unknown token if the SP model returned 0
														return spm_id + self.fairseq_offset if spm_id else self.unk_token_id







							def      snake_case__   (     self,    __a):

														'''simple docstring'''

														if index in self.fairseq_ids_to_tokens:
																					return self.fairseq_ids_to_tokens[index]
														return self.sp_model.IdToPiece(index - self.fairseq_offset)







							def      snake_case__   (     self,    __a):

														'''simple docstring'''

														_lowerCAmelCase  :							int				     =					"".join(__a).replace(__a,    " ").strip()
														return out_string







							def      snake_case__   (     self,    __a,    __a = None):

														'''simple docstring'''

														if not os.path.isdir(__a):
																					logger.error(f"Vocabulary path ({save_directory}) should be a directory")
																					return
														_lowerCAmelCase  :							Tuple				     =					os.path.join(
														    __a,    (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"])

														if os.path.abspath(self.vocab_file) != os.path.abspath(__a) and os.path.isfile(self.vocab_file):
																					copyfile(self.vocab_file,    __a)
														elif not os.path.isfile(self.vocab_file):
																					with open(__a,    "wb") as fi:
																												_lowerCAmelCase  :							Union[str, Any]				     =					self.sp_model.serialized_model_proto()
																												fi.write(__a)

														return (out_vocab_file,)





from __future__ import annotations

from collections.abc import MutableSequence



class 						UpperCAmelCase_					:







							def __init__(     self,    __a,    __a):

														'''simple docstring'''

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

														_lowerCAmelCase  :							list[float]				     =					list(__a)
														_lowerCAmelCase  :							Any				     =					degree







							def __add__(     self,    __a):

														'''simple docstring'''

														if self.degree > polynomial_a.degree:
																					_lowerCAmelCase  :							Dict				     =					self.coefficients[:]
																					for i in range(polynomial_a.degree + 1):
																												coefficients[i] += polynomial_a.coefficients[i]
																					return Polynomial(self.degree,    __a)
														else:
																					_lowerCAmelCase  :							Union[str, Any]				     =					polynomial_a.coefficients[:]
																					for i in range(self.degree + 1):
																												coefficients[i] += self.coefficients[i]
																					return Polynomial(polynomial_a.degree,    __a)







							def __sub__(     self,    __a):

														'''simple docstring'''

														return self + polynomial_a * Polynomial(0,    [-1])







							def __neg__(     self):

														'''simple docstring'''

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







							def __mul__(     self,    __a):

														'''simple docstring'''

														_lowerCAmelCase  :							list[float]				     =					[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,    __a)







							def      snake_case__   (     self,    __a):

														'''simple docstring'''

														_lowerCAmelCase  :							int | float				     =					0
														for i in range(self.degree + 1):
																					result += self.coefficients[i] * (substitution**i)
														return result







							def __str__(     self):

														'''simple docstring'''

														_lowerCAmelCase  :							List[str]				     =					""
														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(__a)

														return polynomial







							def __repr__(     self):

														'''simple docstring'''

														return self.__str__()







							def      snake_case__   (     self):

														'''simple docstring'''

														_lowerCAmelCase  :							list[float]				     =					[0] * self.degree
														for i in range(self.degree):
																					_lowerCAmelCase  :							List[Any]				     =					self.coefficients[i + 1] * (i + 1)
														return Polynomial(self.degree - 1,    __a)







							def      snake_case__   (     self,    __a = 0):

														'''simple docstring'''

														_lowerCAmelCase  :							list[float]				     =					[0] * (self.degree + 2)
														_lowerCAmelCase  :							Optional[Any]				     =					constant
														for i in range(self.degree + 1):
																					_lowerCAmelCase  :							Dict				     =					self.coefficients[i] / (i + 1)
														return Polynomial(self.degree + 1,    __a)







							def __eq__(     self,    __a):

														'''simple docstring'''

														if not isinstance(__a,    __a):
																					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):

														'''simple docstring'''

														return not self.__eq__(__a)
