'''simple docstring'''

import json
import os
import re
import unicodedata
from typing import Dict, List, Optional, Tuple

from ...tokenization_utils import PreTrainedTokenizer
from ...utils import logging


_lowerCamelCase :				List[Any]														= logging.get_logger(__name__)

_lowerCamelCase :				List[str]														= {
    """src_vocab_file""": """vocab-src.json""",
    """tgt_vocab_file""": """vocab-tgt.json""",
    """merges_file""": """merges.txt""",
}

_lowerCamelCase :				Tuple														= {
    """src_vocab_file""": {
        """stas/tiny-wmt19-en-de""": """https://huggingface.co/stas/tiny-wmt19-en-de/resolve/main/vocab-src.json"""
    },
    """tgt_vocab_file""": {
        """stas/tiny-wmt19-en-de""": """https://huggingface.co/stas/tiny-wmt19-en-de/resolve/main/vocab-tgt.json"""
    },
    """merges_file""": {"""stas/tiny-wmt19-en-de""": """https://huggingface.co/stas/tiny-wmt19-en-de/resolve/main/merges.txt"""},
}

_lowerCamelCase :				Optional[int]														= {"""stas/tiny-wmt19-en-de""": 10_24}
_lowerCamelCase :				List[Any]														= {
    """stas/tiny-wmt19-en-de""": {
        """langs""": ["""en""", """de"""],
        """model_max_length""": 10_24,
        """special_tokens_map_file""": None,
        """full_tokenizer_file""": None,
    }
}



def  _lowerCAmelCase				(				__a      )  ->      List[str]:
     '''simple docstring'''







     _UpperCamelCase  :int       =set()
     _UpperCamelCase  :Tuple       =word[0]
     for char in word[1:]:
          pairs.add((prev_char, char)      )
          _UpperCamelCase  :List[Any]       =char
     return pairs



def  _lowerCAmelCase				(				__a      )  ->      Union[str, Any]:
     '''simple docstring'''







     _UpperCamelCase  :str       =text.replace("""，"""			,      ""","""      )
     _UpperCamelCase  :Optional[Any]       =re.sub(R"""。\s*"""			,      """. """			,      __a      )
     _UpperCamelCase  :int       =text.replace("""、"""			,      ""","""      )
     _UpperCamelCase  :List[Any]       =text.replace("""”"""			,      """\""""      )
     _UpperCamelCase  :str       =text.replace("""“"""			,      """\""""      )
     _UpperCamelCase  :Optional[Any]       =text.replace("""∶"""			,      """:"""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""："""			,      """:"""      )
     _UpperCamelCase  :List[str]       =text.replace("""？"""			,      """?"""      )
     _UpperCamelCase  :str       =text.replace("""《"""			,      """\""""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""》"""			,      """\""""      )
     _UpperCamelCase  :int       =text.replace("""）"""			,      """)"""      )
     _UpperCamelCase  :Any       =text.replace("""！"""			,      """!"""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""（"""			,      """("""      )
     _UpperCamelCase  :Dict       =text.replace("""；"""			,      """;"""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""１"""			,      """1"""      )
     _UpperCamelCase  :List[Any]       =text.replace("""」"""			,      """\""""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""「"""			,      """\""""      )
     _UpperCamelCase  :Union[str, Any]       =text.replace("""０"""			,      """0"""      )
     _UpperCamelCase  :str       =text.replace("""３"""			,      """3"""      )
     _UpperCamelCase  :Optional[Any]       =text.replace("""２"""			,      """2"""      )
     _UpperCamelCase  :Union[str, Any]       =text.replace("""５"""			,      """5"""      )
     _UpperCamelCase  :int       =text.replace("""６"""			,      """6"""      )
     _UpperCamelCase  :List[Any]       =text.replace("""９"""			,      """9"""      )
     _UpperCamelCase  :str       =text.replace("""７"""			,      """7"""      )
     _UpperCamelCase  :Optional[Any]       =text.replace("""８"""			,      """8"""      )
     _UpperCamelCase  :int       =text.replace("""４"""			,      """4"""      )
     _UpperCamelCase  :Tuple       =re.sub(R"""．\s*"""			,      """. """			,      __a      )
     _UpperCamelCase  :Dict       =text.replace("""～"""			,      """~"""      )
     _UpperCamelCase  :int       =text.replace("""’"""			,      """'"""      )
     _UpperCamelCase  :Union[str, Any]       =text.replace("""…"""			,      """..."""      )
     _UpperCamelCase  :int       =text.replace("""━"""			,      """-"""      )
     _UpperCamelCase  :Union[str, Any]       =text.replace("""〈"""			,      """<"""      )
     _UpperCamelCase  :int       =text.replace("""〉"""			,      """>"""      )
     _UpperCamelCase  :str       =text.replace("""【"""			,      """["""      )
     _UpperCamelCase  :Tuple       =text.replace("""】"""			,      """]"""      )
     _UpperCamelCase  :Optional[int]       =text.replace("""％"""			,      """%"""      )
     return text



def  _lowerCAmelCase				(				__a      )  ->      List[Any]:
     '''simple docstring'''







     _UpperCamelCase  :Dict       =[]
     for char in text:
          _UpperCamelCase  :Any       =unicodedata.category(__a      )
          if cat.startswith("""C"""      ):
               continue
          output.append(__a      )
     return "".join(__a      )




class    lowerCamelCase__  (   __snake_case     ):
   __UpperCAmelCase           =						VOCAB_FILES_NAMES
   __UpperCAmelCase           =						PRETRAINED_VOCAB_FILES_MAP
   __UpperCAmelCase           =						PRETRAINED_INIT_CONFIGURATION
   __UpperCAmelCase           =						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
   __UpperCAmelCase           =						["""input_ids""", """attention_mask"""]



   def __init__(    self					,      lowerCAmelCase__=None					,      lowerCAmelCase__=None					,      lowerCAmelCase__=None					,      lowerCAmelCase__=None					,      lowerCAmelCase__=False					,      lowerCAmelCase__="<unk>"					,      lowerCAmelCase__="<s>"					,      lowerCAmelCase__="</s>"					,      lowerCAmelCase__="<pad>"					,      **lowerCAmelCase__					,      )				->     str:
        """simple docstring"""





        super().__init__(
            langs=lowerCAmelCase__					,      src_vocab_file=lowerCAmelCase__					,      tgt_vocab_file=lowerCAmelCase__					,      merges_file=lowerCAmelCase__					,      do_lower_case=lowerCAmelCase__					,      unk_token=lowerCAmelCase__					,      bos_token=lowerCAmelCase__					,      sep_token=lowerCAmelCase__					,      pad_token=lowerCAmelCase__					,      **lowerCAmelCase__					,      )

        try:
             import sacremoses
        except ImportError:
             raise ImportError(
                 """You need to install sacremoses to use XLMTokenizer. """
                 """See https://pypi.org/project/sacremoses/ for installation."""     )

        _UpperCamelCase  :int       =sacremoses

        _UpperCamelCase  :Tuple       =src_vocab_file
        _UpperCamelCase  :List[str]       =tgt_vocab_file
        _UpperCamelCase  :Dict       =merges_file
        _UpperCamelCase  :Union[str, Any]       =do_lower_case

        # cache of sm.MosesPunctNormalizer instance
        _UpperCamelCase  :Optional[int]       ={}
        # cache of sm.MosesTokenizer instance
        _UpperCamelCase  :Tuple       ={}
        _UpperCamelCase  :int       ={}

        if langs and len(lowerCAmelCase__     ) == 2:
             _UpperCamelCase       ,      _UpperCamelCase  :List[str]       =langs
        else:
             raise ValueError(
                 f'''arg `langs` needs to be a list of 2 langs, e.g. [\'en\', \'ru\'], but got {langs}. '''
                 """Usually that means that tokenizer can't find a mapping for the given model path """
                 """in PRETRAINED_VOCAB_FILES_MAP, and other maps of this tokenizer."""     )

        with open(lowerCAmelCase__					,      encoding="""utf-8"""     ) as src_vocab_handle:
             _UpperCamelCase  :Any       =json.load(lowerCAmelCase__     )
        with open(lowerCAmelCase__					,      encoding="""utf-8"""     ) as tgt_vocab_handle:
             _UpperCamelCase  :List[Any]       =json.load(lowerCAmelCase__     )
             _UpperCamelCase  :int       ={v: k for k, v in tgt_vocab.items()}
        with open(lowerCAmelCase__					,      encoding="""utf-8"""     ) as merges_handle:
             _UpperCamelCase  :int       =merges_handle.read().split("""\n"""     )[:-1]
        _UpperCamelCase  :str       =[tuple(merge.split()[:2]     ) for merge in merges]
        _UpperCamelCase  :List[str]       =dict(zip(lowerCAmelCase__					,      range(len(lowerCAmelCase__     )     )     )     )
        _UpperCamelCase  :List[str]       ={}



   def  _UpperCamelCase		(    self     )				->     Dict[str, int]:
        """simple docstring"""





        return self.get_src_vocab()



   @property
   def  _UpperCamelCase		(    self     )				->     int:
        """simple docstring"""





        return self.src_vocab_size



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     Optional[Any]:
        """simple docstring"""





        if lang not in self.cache_moses_punct_normalizer:
             _UpperCamelCase  :Tuple       =self.sm.MosesPunctNormalizer(lang=lowerCAmelCase__     )
             _UpperCamelCase  :Any       =punct_normalizer
        return self.cache_moses_punct_normalizer[lang].normalize(lowerCAmelCase__     )



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     Tuple:
        """simple docstring"""





        if lang not in self.cache_moses_tokenizer:
             _UpperCamelCase  :Optional[int]       =self.sm.MosesTokenizer(lang=lowerCAmelCase__     )
             _UpperCamelCase  :List[Any]       =moses_tokenizer
        return self.cache_moses_tokenizer[lang].tokenize(
            lowerCAmelCase__					,      aggressive_dash_splits=lowerCAmelCase__					,      return_str=lowerCAmelCase__					,      escape=lowerCAmelCase__     )



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     Optional[int]:
        """simple docstring"""





        if lang not in self.cache_moses_detokenizer:
             _UpperCamelCase  :Union[str, Any]       =self.sm.MosesDetokenizer(lang=lowerCAmelCase__     )
             _UpperCamelCase  :Optional[Any]       =moses_detokenizer
        return self.cache_moses_detokenizer[lang].detokenize(lowerCAmelCase__     )



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__     )				->     Optional[Any]:
        """simple docstring"""





        _UpperCamelCase  :str       =replace_unicode_punct(lowerCAmelCase__     )
        _UpperCamelCase  :Dict       =self.moses_punct_norm(lowerCAmelCase__					,      lowerCAmelCase__     )
        _UpperCamelCase  :Tuple       =remove_non_printing_char(lowerCAmelCase__     )
        return text



   @property
   def  _UpperCamelCase		(    self     )				->     List[str]:
        """simple docstring"""





        return len(self.encoder     )



   @property
   def  _UpperCamelCase		(    self     )				->     int:
        """simple docstring"""





        return len(self.decoder     )



   def  _UpperCamelCase		(    self     )				->     List[Any]:
        """simple docstring"""





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



   def  _UpperCamelCase		(    self     )				->     Dict:
        """simple docstring"""





        return dict(self.decoder					,      **self.added_tokens_decoder     )



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__     )				->     Union[str, Any]:
        """simple docstring"""





        _UpperCamelCase  :Optional[Any]       =tuple(token[:-1]     ) + (token[-1] + """</w>""",)
        if token in self.cache:
             return self.cache[token]
        _UpperCamelCase  :Optional[Any]       =get_pairs(lowerCAmelCase__     )

        if not pairs:
             return token + "</w>"

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

                  if word[i] == first and i < len(lowerCAmelCase__     ) - 1 and word[i + 1] == second:
                       new_word.append(first + second     )
                       i += 2
                  else:
                       new_word.append(word[i]     )
                       i += 1
             _UpperCamelCase  :Any       =tuple(lowerCAmelCase__     )
             _UpperCamelCase  :Optional[int]       =new_word
             if len(lowerCAmelCase__     ) == 1:
                  break
             else:
                  _UpperCamelCase  :int       =get_pairs(lowerCAmelCase__     )
        _UpperCamelCase  :List[str]       =""" """.join(lowerCAmelCase__     )
        if word == "\n  </w>":
             _UpperCamelCase  :Dict       ="""\n</w>"""
        _UpperCamelCase  :Optional[Any]       =word
        return word



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__="en"					,      lowerCAmelCase__=False     )				->     Any:
        """simple docstring"""





        _UpperCamelCase  :Union[str, Any]       =self.src_lang

        if self.do_lower_case:
             _UpperCamelCase  :int       =text.lower()

        if bypass_tokenizer:
             _UpperCamelCase  :Optional[Any]       =text.split()
        else:
             _UpperCamelCase  :str       =self.moses_pipeline(lowerCAmelCase__					,      lang=lowerCAmelCase__     )
             _UpperCamelCase  :int       =self.moses_tokenize(lowerCAmelCase__					,      lang=lowerCAmelCase__     )

        _UpperCamelCase  :Union[str, Any]       =[]
        for token in text:
             if token:
                  split_tokens.extend(list(self.bpe(lowerCAmelCase__     ).split(""" """     )     )     )

        return split_tokens



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__     )				->     List[Any]:
        """simple docstring"""





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



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__     )				->     List[Any]:
        """simple docstring"""





        return self.decoder.get(lowerCAmelCase__					,      self.unk_token     )



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__     )				->     Optional[int]:
        """simple docstring"""





        _UpperCamelCase  :int       =[t.replace(""" """					,      """"""     ).replace("""</w>"""					,      """ """     ) for t in tokens]
        _UpperCamelCase  :Optional[int]       ="""""".join(lowerCAmelCase__     ).split()
        # detokenize
        _UpperCamelCase  :List[Any]       =self.moses_detokenize(lowerCAmelCase__					,      self.tgt_lang     )
        return text



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__ = None     )				->     List[int]:
        """simple docstring"""





        _UpperCamelCase  :Optional[Any]       =[self.sep_token_id]

        # no bos used in fairseq
        if token_ids_a is None:
             return token_ids_a + sep
        return token_ids_a + sep + token_ids_a + sep



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__ = None					,      lowerCAmelCase__ = False     )				->     List[int]:
        """simple docstring"""





        if already_has_special_tokens:
             return super().get_special_tokens_mask(
                 token_ids_a=lowerCAmelCase__					,      token_ids_a=lowerCAmelCase__					,      already_has_special_tokens=lowerCAmelCase__     )
        # no bos used in fairseq
        if token_ids_a is not None:
             return ([0] * len(lowerCAmelCase__     )) + [1] + ([0] * len(lowerCAmelCase__     )) + [1]
        return ([0] * len(lowerCAmelCase__     )) + [1]



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__ = None     )				->     List[int]:
        """simple docstring"""





        _UpperCamelCase  :Optional[Any]       =[self.sep_token_id]

        # no bos used in fairseq
        if token_ids_a is None:
             return len(token_ids_a + sep     ) * [0]
        return len(token_ids_a + sep     ) * [0] + len(token_ids_a + sep     ) * [1]



   def  _UpperCamelCase		(    self					,      lowerCAmelCase__					,      lowerCAmelCase__ = None     )				->     Tuple[str]:
        """simple docstring"""





        if not os.path.isdir(lowerCAmelCase__     ):
             logger.error(f'''Vocabulary path ({save_directory}) should be a directory'''     )
             return

        _UpperCamelCase  :Optional[Any]       =os.path.join(
            lowerCAmelCase__					,      (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""src_vocab_file"""]     )
        _UpperCamelCase  :Optional[int]       =os.path.join(
            lowerCAmelCase__					,      (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""tgt_vocab_file"""]     )
        _UpperCamelCase  :Tuple       =os.path.join(
            lowerCAmelCase__					,      (filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""merges_file"""]     )

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

        with open(lowerCAmelCase__					,      """w"""					,      encoding="""utf-8"""     ) as f:
             _UpperCamelCase  :Union[str, Any]       ={v: k for k, v in self.decoder.items()}
             f.write(json.dumps(lowerCAmelCase__					,      indent=2					,      sort_keys=lowerCAmelCase__					,      ensure_ascii=lowerCAmelCase__     ) + """\n"""     )

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

        return src_vocab_file, tgt_vocab_file, merges_file



   def __getstate__(    self     )				->     List[Any]:
        """simple docstring"""





        _UpperCamelCase  :Optional[int]       =self.__dict__.copy()
        _UpperCamelCase  :Union[str, Any]       =None
        return state




   def __setstate__(    self					,      lowerCAmelCase__     )				->     Optional[Any]:
        """simple docstring"""





        _UpperCamelCase  :List[Any]       =d

        try:
             import sacremoses
        except ImportError:
             raise ImportError(
                 """You need to install sacremoses to use XLMTokenizer. """
                 """See https://pypi.org/project/sacremoses/ for installation."""     )

        _UpperCamelCase  :List[str]       =sacremoses
'''simple docstring'''

from __future__ import annotations

_lowerCamelCase :				Optional[int]														= """Alexander Joslin"""



def  _lowerCAmelCase				(				__a      )  ->      int:
     '''simple docstring'''







     if number <= 0:
          _UpperCamelCase  :Optional[Any]       =F'''n must be greater than 0. Got n = {number}'''
          raise ValueError(__a      )

     _UpperCamelCase  :Optional[Any]       =[number + 1] * (number + 1)

     # starting position
     _UpperCamelCase  :int       =0
     for i in range(1			,      __a      ):
          _UpperCamelCase  :List[str]       =min(table[i + 1]			,      table[i] + 1      )
          # check if out of bounds
          if i * 2 <= number:
               _UpperCamelCase  :int       =min(table[i * 2]			,      table[i] + 1      )
          # check if out of bounds
          if i * 3 <= number:
               _UpperCamelCase  :Tuple       =min(table[i * 3]			,      table[i] + 1      )
     return table[number]


if __name__ == "__main__":
      import doctest

      doctest.testmod()