


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

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


_A		:					Union[str, Any]          =							logging.get_logger(__name__)

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

_A		:					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'''},
}

_A		:					List[str]          =							{'''stas/tiny-wmt19-en-de''': 1_024}
_A		:					Optional[int]          =							{
    '''stas/tiny-wmt19-en-de''': {
        '''langs''': ['''en''', '''de'''],
        '''model_max_length''': 1_024,
        '''special_tokens_map_file''': None,
        '''full_tokenizer_file''': None,
    }
}



def      __lowerCAmelCase    (				snake_case						:     Dict			)							->				Tuple:
   __lowerCamelCase:					str	 =						set()
   __lowerCamelCase:					Any	 =						word[0]
   for char in word[1:]:
      pairs.add((prev_char, char)			)
      __lowerCamelCase:					Optional[Any]	 =						char
   return pairs



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



def      __lowerCAmelCase    (				snake_case						:     Union[str, Any]			)							->				Dict:
   __lowerCamelCase:					Tuple	 =						[]
   for char in text:
      __lowerCamelCase:					Tuple	 =						unicodedata.category(a_			)
      if cat.startswith("""C"""			):
         continue
      output.append(a_			)
   return "".join(a_			)







class 							a       (      _UpperCAmelCase ):
     UpperCAmelCase__			:	Dict       =						VOCAB_FILES_NAMES
     UpperCAmelCase__			:	int       =						PRETRAINED_VOCAB_FILES_MAP
     UpperCAmelCase__			:	Dict       =						PRETRAINED_INIT_CONFIGURATION
     UpperCAmelCase__			:	Dict       =						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
     UpperCAmelCase__			:	Dict       =						["input_ids", "attention_mask"]





     def __init__(     self       :					Any     ,						SCREAMING_SNAKE_CASE_       :					Tuple=None     ,						SCREAMING_SNAKE_CASE_       :					int=None     ,						SCREAMING_SNAKE_CASE_       :					List[str]=None     ,						SCREAMING_SNAKE_CASE_       :					str=None     ,						SCREAMING_SNAKE_CASE_       :					str=False     ,						SCREAMING_SNAKE_CASE_       :					Union[str, Any]="<unk>"     ,						SCREAMING_SNAKE_CASE_       :					Any="<s>"     ,						SCREAMING_SNAKE_CASE_       :					List[Any]="</s>"     ,						SCREAMING_SNAKE_CASE_       :					List[Any]="<pad>"     ,						**SCREAMING_SNAKE_CASE_       :					Dict     ,						):
        super().__init__(
            langs=__UpperCamelCase     ,						src_vocab_file=__UpperCamelCase     ,						tgt_vocab_file=__UpperCamelCase     ,						merges_file=__UpperCamelCase     ,						do_lower_case=__UpperCamelCase     ,						unk_token=__UpperCamelCase     ,						bos_token=__UpperCamelCase     ,						sep_token=__UpperCamelCase     ,						pad_token=__UpperCamelCase     ,						**__UpperCamelCase     ,						)

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

        __lowerCamelCase:					List[Any]	 =						sacremoses

        __lowerCamelCase:					Any	 =						src_vocab_file
        __lowerCamelCase:					str	 =						tgt_vocab_file
        __lowerCamelCase:					Optional[Any]	 =						merges_file
        __lowerCamelCase:					Any	 =						do_lower_case

        # cache of sm.MosesPunctNormalizer instance
        __lowerCamelCase:					Union[str, Any]	 =						{}
        # cache of sm.MosesTokenizer instance
        __lowerCamelCase:					Optional[Any]	 =						{}
        __lowerCamelCase:					Union[str, Any]	 =						{}

        if langs and len(__UpperCamelCase				) == 2:
           __lowerCamelCase ,  __lowerCamelCase:					Any	 =						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(__UpperCamelCase     ,						encoding="""utf-8"""				) as src_vocab_handle:
           __lowerCamelCase:					Optional[Any]	 =						json.load(__UpperCamelCase				)
        with open(__UpperCamelCase     ,						encoding="""utf-8"""				) as tgt_vocab_handle:
           __lowerCamelCase:					Dict	 =						json.load(__UpperCamelCase				)
           __lowerCamelCase:					Union[str, Any]	 =						{v: k for k, v in tgt_vocab.items()}
        with open(__UpperCamelCase     ,						encoding="""utf-8"""				) as merges_handle:
           __lowerCamelCase:					Any	 =						merges_handle.read().split("""\n"""				)[:-1]
        __lowerCamelCase:					Tuple	 =						[tuple(merge.split()[:2]				) for merge in merges]
        __lowerCamelCase:					Dict	 =						dict(zip(__UpperCamelCase     ,						range(len(__UpperCamelCase				)				)				)				)
        __lowerCamelCase:					List[str]	 =						{}





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Any				):
        return self.get_src_vocab()





     @property
     def 			SCREAMING_SNAKE_CASE__							(     self       :					Optional[int]				):
        return self.src_vocab_size





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Dict     ,						SCREAMING_SNAKE_CASE_       :					Dict     ,						SCREAMING_SNAKE_CASE_       :					Any				):





        if lang not in self.cache_moses_punct_normalizer:
           __lowerCamelCase:					List[Any]	 =						self.sm.MosesPunctNormalizer(lang=__UpperCamelCase				)
           __lowerCamelCase:					int	 =						punct_normalizer
        return self.cache_moses_punct_normalizer[lang].normalize(__UpperCamelCase				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Optional[Any]     ,						SCREAMING_SNAKE_CASE_       :					str     ,						SCREAMING_SNAKE_CASE_       :					Dict				):





        if lang not in self.cache_moses_tokenizer:
           __lowerCamelCase:					Optional[Any]	 =						self.sm.MosesTokenizer(lang=__UpperCamelCase				)
           __lowerCamelCase:					Union[str, Any]	 =						moses_tokenizer
        return self.cache_moses_tokenizer[lang].tokenize(
            __UpperCamelCase     ,						aggressive_dash_splits=__UpperCamelCase     ,						return_str=__UpperCamelCase     ,						escape=__UpperCamelCase				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Optional[Any]     ,						SCREAMING_SNAKE_CASE_       :					Optional[Any]     ,						SCREAMING_SNAKE_CASE_       :					Optional[int]				):





        if lang not in self.cache_moses_detokenizer:
           __lowerCamelCase:					int	 =						self.sm.MosesDetokenizer(lang=__UpperCamelCase				)
           __lowerCamelCase:					Dict	 =						moses_detokenizer
        return self.cache_moses_detokenizer[lang].detokenize(__UpperCamelCase				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Optional[int]     ,						SCREAMING_SNAKE_CASE_       :					int     ,						SCREAMING_SNAKE_CASE_       :					Union[str, Any]				):
        __lowerCamelCase:					Optional[Any]	 =						replace_unicode_punct(__UpperCamelCase				)
        __lowerCamelCase:					List[str]	 =						self.moses_punct_norm(__UpperCamelCase     ,						__UpperCamelCase				)
        __lowerCamelCase:					List[str]	 =						remove_non_printing_char(__UpperCamelCase				)
        return text





     @property
     def 			SCREAMING_SNAKE_CASE__							(     self       :					Union[str, Any]				):
        return len(self.encoder				)





     @property
     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[Any]				):
        return len(self.decoder				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					Optional[int]				):
        return dict(self.encoder     ,						**self.added_tokens_encoder				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[Any]				):
        return dict(self.decoder     ,						**self.added_tokens_decoder				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[Any]     ,						SCREAMING_SNAKE_CASE_       :					Any				):
        __lowerCamelCase:					str	 =						tuple(token[:-1]				) + (token[-1] + """</w>""",)
        if token in self.cache:
           return self.cache[token]
        __lowerCamelCase:					List[str]	 =						get_pairs(__UpperCamelCase				)

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

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

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





     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[Any]     ,						SCREAMING_SNAKE_CASE_       :					Tuple     ,						SCREAMING_SNAKE_CASE_       :					List[Any]="en"     ,						SCREAMING_SNAKE_CASE_       :					Optional[int]=False				):
        __lowerCamelCase:					Any	 =						self.src_lang

        if self.do_lower_case:
           __lowerCamelCase:					Dict	 =						text.lower()

        if bypass_tokenizer:
           __lowerCamelCase:					Dict	 =						text.split()
        else:
           __lowerCamelCase:					Dict	 =						self.moses_pipeline(__UpperCamelCase     ,						lang=__UpperCamelCase				)
           __lowerCamelCase:					Optional[Any]	 =						self.moses_tokenize(__UpperCamelCase     ,						lang=__UpperCamelCase				)

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

        return split_tokens





     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[str]     ,						SCREAMING_SNAKE_CASE_       :					List[str]				):
        return self.encoder.get(__UpperCamelCase     ,						self.encoder.get(self.unk_token				)				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					int     ,						SCREAMING_SNAKE_CASE_       :					Any				):
        return self.decoder.get(__UpperCamelCase     ,						self.unk_token				)





     def 			SCREAMING_SNAKE_CASE__							(     self       :					int     ,						SCREAMING_SNAKE_CASE_       :					Union[str, Any]				):
        __lowerCamelCase:					Any	 =						[t.replace(""" """     ,						""""""				).replace("""</w>"""     ,						""" """				) for t in tokens]
        __lowerCamelCase:					Union[str, Any]	 =						"""""".join(__UpperCamelCase				).split()
        # detokenize
        __lowerCamelCase:					Union[str, Any]	 =						self.moses_detokenize(__UpperCamelCase     ,						self.tgt_lang				)
        return text





     def 			SCREAMING_SNAKE_CASE__							(     self       :					List[str]     ,						SCREAMING_SNAKE_CASE_       :					List[int]     ,						SCREAMING_SNAKE_CASE_       :					Optional[List[int]] = None				):
        __lowerCamelCase:					int	 =						[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 			SCREAMING_SNAKE_CASE__							(     self       :					Tuple     ,						SCREAMING_SNAKE_CASE_       :					List[int]     ,						SCREAMING_SNAKE_CASE_       :					Optional[List[int]] = None     ,						SCREAMING_SNAKE_CASE_       :					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				)
        # no bos used in fairseq
        if token_ids_a is not None:
           return ([0] * len(__UpperCamelCase				)) + [1] + ([0] * len(__UpperCamelCase				)) + [1]
        return ([0] * len(__UpperCamelCase				)) + [1]





     def 			SCREAMING_SNAKE_CASE__							(     self       :					int     ,						SCREAMING_SNAKE_CASE_       :					List[int]     ,						SCREAMING_SNAKE_CASE_       :					Optional[List[int]] = None				):
        __lowerCamelCase:					Tuple	 =						[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 			SCREAMING_SNAKE_CASE__							(     self       :					Union[str, Any]     ,						SCREAMING_SNAKE_CASE_       :					str     ,						SCREAMING_SNAKE_CASE_       :					Optional[str] = None				):





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

        __lowerCamelCase:					Any	 =						os.path.join(
            __UpperCamelCase     ,						(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""src_vocab_file"""]				)
        __lowerCamelCase:					List[str]	 =						os.path.join(
            __UpperCamelCase     ,						(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""tgt_vocab_file"""]				)
        __lowerCamelCase:					str	 =						os.path.join(
            __UpperCamelCase     ,						(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""merges_file"""]				)

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

        with open(__UpperCamelCase     ,						"""w"""     ,						encoding="""utf-8"""				) as f:
           __lowerCamelCase:					int	 =						{v: k for k, v in self.decoder.items()}
           f.write(json.dumps(__UpperCamelCase     ,						indent=2     ,						sort_keys=__UpperCamelCase     ,						ensure_ascii=__UpperCamelCase				) + """\n"""				)

        __lowerCamelCase:					int	 =						0
        with open(__UpperCamelCase     ,						"""w"""     ,						encoding="""utf-8"""				) as writer:
           for bpe_tokens, token_index in sorted(self.bpe_ranks.items()     ,						key=lambda SCREAMING_SNAKE_CASE_				: 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!"""				)
                 __lowerCamelCase:					str	 =						token_index
              writer.write(""" """.join(__UpperCamelCase				) + """\n"""				)
              index += 1

        return src_vocab_file, tgt_vocab_file, merges_file





     def __getstate__(     self       :					Optional[int]				):
        __lowerCamelCase:					str	 =						self.__dict__.copy()
        __lowerCamelCase:					Tuple	 =						None
        return state







     def __setstate__(     self       :					Optional[Any]     ,						SCREAMING_SNAKE_CASE_       :					Tuple				):
        __lowerCamelCase:					Tuple	 =						d

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

        __lowerCamelCase:					Union[str, Any]	 =						sacremoses





from __future__ import annotations

from collections.abc import Iterator
from typing import Any

class 					__UpperCamelCase					:







	def __init__( self:			Optional[Any]	,			__UpperCamelCase:			Any   ):

						'''simple docstring'''





						__magic_name__				=     data
						__magic_name__				=     None







	def __str__( self:			Optional[int]   ):

						'''simple docstring'''





						return F'{self.data}'




class 					__UpperCamelCase					:







	def __init__( self:			List[Any]   ):

						'''simple docstring'''





						__magic_name__				=     None
						__magic_name__				=     None







	def __iter__( self:			str   ):

						'''simple docstring'''





						__magic_name__				=     self.front
						while node:
											yield node.data
											__magic_name__				=     node.next







	def __len__( self:			Any   ):

						'''simple docstring'''





						return len(tuple(iter(self   )   )   )







	def __str__( self:			List[str]   ):

						'''simple docstring'''





						return " <- ".join(str(__UpperCamelCase   ) for item in self   )







	def 						_SCREAMING_SNAKE_CASE				( self:			Any   ):

						'''simple docstring'''





						return len(self   ) == 0







	def 						_SCREAMING_SNAKE_CASE				( self:			Any	,			__UpperCamelCase:			Any   ):

						'''simple docstring'''





						__magic_name__				=     Node(__UpperCamelCase   )
						if self.is_empty():
											__magic_name__				=     __magic_name__				=     node
						else:
											assert isinstance(self.rear	,			__UpperCamelCase   )
											__magic_name__				=     node
											__magic_name__				=     node







	def 						_SCREAMING_SNAKE_CASE				( self:			Any   ):

						'''simple docstring'''





						if self.is_empty():
											raise IndexError('dequeue from empty queue'   )
						assert isinstance(self.front	,			__UpperCamelCase   )
						__magic_name__				=     self.front
						__magic_name__				=     self.front.next
						if self.front is None:
											__magic_name__				=     None
						return node.data







	def 						_SCREAMING_SNAKE_CASE				( self:			Tuple   ):

						'''simple docstring'''





						__magic_name__				=     __magic_name__				=     None


if __name__ == "__main__":
						from doctest import testmod

						testmod()




