

"""simple docstring"""

import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

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


_UpperCamelCase		     =    logging.get_logger(__name__)


_UpperCamelCase		     =    {"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

_UpperCamelCase		     =    {
    """vocab_file""": {
        """allenai/longformer-base-4096""": """https://huggingface.co/allenai/longformer-base-4096/resolve/main/vocab.json""",
        """allenai/longformer-large-4096""": (
            """https://huggingface.co/allenai/longformer-large-4096/resolve/main/vocab.json"""
        ),
        """allenai/longformer-large-4096-finetuned-triviaqa""": (
            """https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/vocab.json"""
        ),
        """allenai/longformer-base-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/vocab.json"""
        ),
        """allenai/longformer-large-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/vocab.json"""
        ),
    },
    """merges_file""": {
        """allenai/longformer-base-4096""": """https://huggingface.co/allenai/longformer-base-4096/resolve/main/merges.txt""",
        """allenai/longformer-large-4096""": (
            """https://huggingface.co/allenai/longformer-large-4096/resolve/main/merges.txt"""
        ),
        """allenai/longformer-large-4096-finetuned-triviaqa""": (
            """https://huggingface.co/allenai/longformer-large-4096-finetuned-triviaqa/resolve/main/merges.txt"""
        ),
        """allenai/longformer-base-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-base-4096-extra.pos.embd.only/resolve/main/merges.txt"""
        ),
        """allenai/longformer-large-4096-extra.pos.embd.only""": (
            """https://huggingface.co/allenai/longformer-large-4096-extra.pos.embd.only/resolve/main/merges.txt"""
        ),
    },
}

_UpperCamelCase		     =    {
    """allenai/longformer-base-4096""": 4_0_9_6,
    """allenai/longformer-large-4096""": 4_0_9_6,
    """allenai/longformer-large-4096-finetuned-triviaqa""": 4_0_9_6,
    """allenai/longformer-base-4096-extra.pos.embd.only""": 4_0_9_6,
    """allenai/longformer-large-4096-extra.pos.embd.only""": 4_0_9_6,
}



@lru_cache()
# Copied from transformers.models.roberta.tokenization_roberta.bytes_to_unicode
def       SCREAMING_SNAKE_CASE							( )			->						Optional[Any]:
 lowerCAmelCase__   :				Any 			=				(
     list(range(ord("!"   )					,					ord("~"   ) + 1   )   ) + list(range(ord("¡"   )					,					ord("¬"   ) + 1   )   ) + list(range(ord("®"   )					,					ord("ÿ"   ) + 1   )   )
 )
 lowerCAmelCase__   :				Optional[int] 			=				bs[:]
 lowerCAmelCase__   :				List[str] 			=				0
 for b in range(2**8   ):
  if b not in bs:
   bs.append(lowercase__   )
   cs.append(2**8 + n   )
   n += 1
 lowerCAmelCase__   :				Union[str, Any] 			=				[chr(lowercase__   ) for n in cs]
 return dict(zip(lowercase__					,					lowercase__   )   )



def       SCREAMING_SNAKE_CASE							( lowercase__   )			->						Optional[int]:
 lowerCAmelCase__   :				Any 			=				set()
 lowerCAmelCase__   :				str 			=				word[0]
 for char in word[1:]:
  pairs.add((prev_char, char)   )
  lowerCAmelCase__   :				int 			=				char
 return pairs






class 			__a					(						__magic_name__       ):





       """simple docstring"""


       __UpperCamelCase					:      str    =						VOCAB_FILES_NAMES
       __UpperCamelCase					:      int    =						PRETRAINED_VOCAB_FILES_MAP
       __UpperCamelCase					:      int    =						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
       __UpperCamelCase					:      int    =						['input_ids', 'attention_mask']






       def __init__(   self			,					snake_case			,					snake_case			,					snake_case="replace"			,					snake_case="<s>"			,					snake_case="</s>"			,					snake_case="</s>"			,					snake_case="<s>"			,					snake_case="<unk>"			,					snake_case="<pad>"			,					snake_case="<mask>"			,					snake_case=False			,					**snake_case			,					):





        """simple docstring"""

        lowerCAmelCase__   :				Optional[int] 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else bos_token
        lowerCAmelCase__   :				Dict 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else eos_token
        lowerCAmelCase__   :				int 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else sep_token
        lowerCAmelCase__   :				Tuple 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else cls_token
        lowerCAmelCase__   :				Tuple 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else unk_token
        lowerCAmelCase__   :				Optional[Any] 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else pad_token

        # Mask token behave like a normal word, i.e. include the space before it
        lowerCAmelCase__   :				Optional[int] 			=				AddedToken(snake_case			,					lstrip=snake_case			,					rstrip=snake_case   ) if isinstance(snake_case			,					snake_case   ) else mask_token

        super().__init__(
            errors=snake_case			,					bos_token=snake_case			,					eos_token=snake_case			,					unk_token=snake_case			,					sep_token=snake_case			,					cls_token=snake_case			,					pad_token=snake_case			,					mask_token=snake_case			,					add_prefix_space=snake_case			,					**snake_case			,					)

        with open(snake_case			,					encoding="utf-8"   ) as vocab_handle:
         lowerCAmelCase__   :				Optional[Any] 			=				json.load(snake_case   )
        lowerCAmelCase__   :				List[str] 			=				{v: k for k, v in self.encoder.items()}
        lowerCAmelCase__   :				Optional[Any] 			=				errors  # how to handle errors in decoding
        lowerCAmelCase__   :				List[Any] 			=				bytes_to_unicode()
        lowerCAmelCase__   :				Optional[Any] 			=				{v: k for k, v in self.byte_encoder.items()}
        with open(snake_case			,					encoding="utf-8"   ) as merges_handle:
         lowerCAmelCase__   :				Any 			=				merges_handle.read().split("\n"   )[1:-1]
        lowerCAmelCase__   :				Optional[int] 			=				[tuple(merge.split()   ) for merge in bpe_merges]
        lowerCAmelCase__   :				Any 			=				dict(zip(snake_case			,					range(len(snake_case   )   )   )   )
        lowerCAmelCase__   :				str 			=				{}
        lowerCAmelCase__   :				int 			=				add_prefix_space

        # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
        lowerCAmelCase__   :				Union[str, Any] 			=				re.compile(R"'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+"   )






       @property
       def 			SCREAMING_SNAKE_CASE_	(   self   ):





        """simple docstring"""

        return len(self.encoder   )






       def 			SCREAMING_SNAKE_CASE_	(   self   ):





        """simple docstring"""

        return dict(self.encoder			,					**self.added_tokens_encoder   )






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case   ):





        """simple docstring"""

        if token in self.cache:
         return self.cache[token]
        lowerCAmelCase__   :				Optional[Any] 			=				tuple(snake_case   )
        lowerCAmelCase__   :				Optional[Any] 			=				get_pairs(snake_case   )

        if not pairs:
         return token

        while True:
         lowerCAmelCase__   :				Tuple 			=				min(snake_case			,					key=lambda snake_case   : self.bpe_ranks.get(snake_case			,					float("inf"   )   )   )
         if bigram not in self.bpe_ranks:
          break
         lowerCAmelCase__			,						lowerCAmelCase__   :				Any 			=				bigram
         lowerCAmelCase__   :				Optional[Any] 			=				[]
         lowerCAmelCase__   :				Any 			=				0
         while i < len(snake_case   ):
          try:
           lowerCAmelCase__   :				Any 			=				word.index(snake_case			,					snake_case   )
          except ValueError:
           new_word.extend(word[i:]   )
           break
          else:
           new_word.extend(word[i:j]   )
           lowerCAmelCase__   :				Union[str, Any] 			=				j

          if word[i] == first and i < len(snake_case   ) - 1 and word[i + 1] == second:
           new_word.append(first + second   )
           i += 2
          else:
           new_word.append(word[i]   )
           i += 1
         lowerCAmelCase__   :				str 			=				tuple(snake_case   )
         lowerCAmelCase__   :				str 			=				new_word
         if len(snake_case   ) == 1:
          break
         else:
          lowerCAmelCase__   :				Union[str, Any] 			=				get_pairs(snake_case   )
        lowerCAmelCase__   :				Any 			=				" ".join(snake_case   )
        lowerCAmelCase__   :				Tuple 			=				word
        return word






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case   ):





        """simple docstring"""

        lowerCAmelCase__   :				List[str] 			=				[]
        for token in re.findall(self.pat			,					snake_case   ):
         lowerCAmelCase__   :				List[Any] 			=				"".join(
             self.byte_encoder[b] for b in token.encode("utf-8"   )   )  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
         bpe_tokens.extend(bpe_token for bpe_token in self.bpe(snake_case   ).split(" "   )   )
        return bpe_tokens






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case   ):





        """simple docstring"""

        return self.encoder.get(snake_case			,					self.encoder.get(self.unk_token   )   )






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case   ):





        """simple docstring"""

        return self.decoder.get(snake_case   )






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case   ):





        """simple docstring"""

        lowerCAmelCase__   :				Optional[int] 			=				"".join(snake_case   )
        lowerCAmelCase__   :				Optional[Any] 			=				bytearray([self.byte_decoder[c] for c in text]   ).decode("utf-8"			,					errors=self.errors   )
        return text






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case			,					snake_case = None   ):





        """simple docstring"""

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

        with open(snake_case			,					"w"			,					encoding="utf-8"   ) as f:
         f.write(json.dumps(self.encoder			,					indent=2			,					sort_keys=snake_case			,					ensure_ascii=snake_case   ) + "\n"   )

        lowerCAmelCase__   :				List[Any] 			=				0
        with open(snake_case			,					"w"			,					encoding="utf-8"   ) as writer:
         writer.write("#version: 0.2\n"   )
         for bpe_tokens, token_index in sorted(self.bpe_ranks.items()			,					key=lambda snake_case   : kv[1]   ):
          if index != token_index:
           logger.warning(
               F"""Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."""
               " Please check that the tokenizer is not corrupted!"   )
           lowerCAmelCase__   :				str 			=				token_index
          writer.write(" ".join(snake_case   ) + "\n"   )
          index += 1

        return vocab_file, merge_file






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case			,					snake_case = None   ):





        """simple docstring"""

        if token_ids_a is None:
         return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
        lowerCAmelCase__   :				Optional[int] 			=				[self.cls_token_id]
        lowerCAmelCase__   :				Optional[int] 			=				[self.sep_token_id]
        return cls + token_ids_a + sep + sep + token_ids_a + sep






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case			,					snake_case = None			,					snake_case = False   ):





        """simple docstring"""

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

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






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case			,					snake_case = None   ):





        """simple docstring"""

        lowerCAmelCase__   :				str 			=				[self.sep_token_id]
        lowerCAmelCase__   :				Any 			=				[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]






       def 			SCREAMING_SNAKE_CASE_	(   self			,					snake_case			,					snake_case=False			,					**snake_case   ):





        """simple docstring"""

        lowerCAmelCase__   :				Union[str, Any] 			=				kwargs.pop("add_prefix_space"			,					self.add_prefix_space   )
        if (is_split_into_words or add_prefix_space) and (len(snake_case   ) > 0 and not text[0].isspace()):
         lowerCAmelCase__   :				Optional[int] 			=				" " + text
        return (text, kwargs)









"""simple docstring"""

def       SCREAMING_SNAKE_CASE							( lowercase__					,					lowercase__   )			->						list:
 lowerCAmelCase__   :				List[str] 			=				len(lowercase__   )
 lowerCAmelCase__   :				Dict 			=				[]
 for i in range(len(lowercase__   ) - pat_len + 1   ):
  lowerCAmelCase__   :				Union[str, Any] 			=				True
  for j in range(lowercase__   ):
   if s[i + j] != pattern[j]:
    lowerCAmelCase__   :				int 			=				False
    break
  if match_found:
   position.append(lowercase__   )
 return position


if __name__ == "__main__":
    assert naive_pattern_search("""ABCDEFG""", """DE""") == [3]
    print(naive_pattern_search("""ABAAABCDBBABCDDEBCABC""", """ABC"""))






