

import os
import re
from shutil import copyfile
from typing import List, Optional, Tuple

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


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

__A			:					int						=			{
    'vocab_file': 'vocab.txt',
    'merges_file': 'bpe.codes',
}

__A			:					List[str]						=			{
    'vocab_file': {
        'vinai/phobert-base': 'https://huggingface.co/vinai/phobert-base/resolve/main/vocab.txt',
        'vinai/phobert-large': 'https://huggingface.co/vinai/phobert-large/resolve/main/vocab.txt',
    },
    'merges_file': {
        'vinai/phobert-base': 'https://huggingface.co/vinai/phobert-base/resolve/main/bpe.codes',
        'vinai/phobert-large': 'https://huggingface.co/vinai/phobert-large/resolve/main/bpe.codes',
    },
}

__A			:					Tuple						=			{
    'vinai/phobert-base': 2_5_6,
    'vinai/phobert-large': 2_5_6,
}





def 	__a     (      A__			:  List[Any]       ):
    SCREAMING_SNAKE_CASE										=   set()
    SCREAMING_SNAKE_CASE										=   word[0]
    for char in word[1:]:
        pairs.add((prev_char, char)       )
        SCREAMING_SNAKE_CASE										=   char

    SCREAMING_SNAKE_CASE										=   set(A__       )
    return pairs





class 			_SCREAMING_SNAKE_CASE (   __snake_case		):







   '''simple docstring'''




   lowerCamelCase__				=      VOCAB_FILES_NAMES
   lowerCamelCase__				=      PRETRAINED_VOCAB_FILES_MAP
   lowerCamelCase__				=      PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES





   def __init__(       self					:			List[str]     , __lowerCamelCase					:			Union[str, Any]     , __lowerCamelCase					:			Any     , __lowerCamelCase					:			List[str]="<s>"     , __lowerCamelCase					:			int="</s>"     , __lowerCamelCase					:			Dict="</s>"     , __lowerCamelCase					:			Tuple="<s>"     , __lowerCamelCase					:			List[str]="<unk>"     , __lowerCamelCase					:			Optional[Any]="<pad>"     , __lowerCamelCase					:			Dict="<mask>"     , **__lowerCamelCase					:			Optional[Any]     , ):
       super().__init__(
           bos_token=__lowerCamelCase     , eos_token=__lowerCamelCase     , unk_token=__lowerCamelCase     , sep_token=__lowerCamelCase     , cls_token=__lowerCamelCase     , pad_token=__lowerCamelCase     , mask_token=__lowerCamelCase     , **__lowerCamelCase     , )

       SCREAMING_SNAKE_CASE										=   vocab_file
       SCREAMING_SNAKE_CASE										=   merges_file

       SCREAMING_SNAKE_CASE										=   {}
       SCREAMING_SNAKE_CASE										=   0
       SCREAMING_SNAKE_CASE										=   1
       SCREAMING_SNAKE_CASE										=   2
       SCREAMING_SNAKE_CASE										=   3

       self.add_from_file(__lowerCamelCase			)

       SCREAMING_SNAKE_CASE										=   {v: k for k, v in self.encoder.items()}

       with open(__lowerCamelCase     , encoding="utf-8"			) as merges_handle:
           SCREAMING_SNAKE_CASE										=   merges_handle.read().split("\n"			)[:-1]
       SCREAMING_SNAKE_CASE										=   [tuple(merge.split()[:-1]			) for merge in merges]
       SCREAMING_SNAKE_CASE										=   dict(zip(__lowerCamelCase     , range(len(__lowerCamelCase			)			)			)			)
       SCREAMING_SNAKE_CASE										=   {}





   def      _snake_case		(       self					:			Tuple     , __lowerCamelCase					:			List[int]     , __lowerCamelCase					:			Optional[List[int]] = None			):

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





   def      _snake_case		(       self					:			str     , __lowerCamelCase					:			List[int]     , __lowerCamelCase					:			Optional[List[int]] = None     , __lowerCamelCase					:			bool = False			):

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

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





   def      _snake_case		(       self					:			Dict     , __lowerCamelCase					:			List[int]     , __lowerCamelCase					:			Optional[List[int]] = None			):
       SCREAMING_SNAKE_CASE										=   [self.sep_token_id]
       SCREAMING_SNAKE_CASE										=   [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					:			str			):
       return len(self.encoder			)





   def      _snake_case		(       self					:			Tuple			):
       return dict(self.encoder     , **self.added_tokens_encoder			)





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

       if not pairs:
           return token

       while True:
           SCREAMING_SNAKE_CASE										=   min(__lowerCamelCase     , key=lambda __lowerCamelCase			: self.bpe_ranks.get(__lowerCamelCase     , float("inf"			)			)			)
           if bigram not in self.bpe_ranks:
               break
           SCREAMING_SNAKE_CASE							,	SCREAMING_SNAKE_CASE										=   bigram
           SCREAMING_SNAKE_CASE										=   []
           SCREAMING_SNAKE_CASE										=   0
           while i < len(__lowerCamelCase			):
               try:
                   SCREAMING_SNAKE_CASE										=   word.index(__lowerCamelCase     , __lowerCamelCase			)
               except ValueError:
                   new_word.extend(word[i:]			)
                   break
               else:
                   new_word.extend(word[i:j]			)
                   SCREAMING_SNAKE_CASE										=   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
           SCREAMING_SNAKE_CASE										=   tuple(__lowerCamelCase			)
           SCREAMING_SNAKE_CASE										=   new_word
           if len(__lowerCamelCase			) == 1:
               break
           else:
               SCREAMING_SNAKE_CASE										=   get_pairs(__lowerCamelCase			)
       SCREAMING_SNAKE_CASE										=   "@@ ".join(__lowerCamelCase			)
       SCREAMING_SNAKE_CASE										=   word[:-4]
       SCREAMING_SNAKE_CASE										=   word
       return word





   def      _snake_case		(       self					:			str     , __lowerCamelCase					:			List[str]			):
       SCREAMING_SNAKE_CASE										=   []

       SCREAMING_SNAKE_CASE										=   re.findall(r"\S+\n?"     , __lowerCamelCase			)

       for token in words:
           split_tokens.extend(list(self.bpe(__lowerCamelCase			).split(" "			)			)			)
       return split_tokens





   def      _snake_case		(       self					:			str     , __lowerCamelCase					:			str			):
       return self.encoder.get(__lowerCamelCase     , self.encoder.get(self.unk_token			)			)





   def      _snake_case		(       self					:			Union[str, Any]     , __lowerCamelCase					:			List[Any]			):
       return self.decoder.get(__lowerCamelCase     , self.unk_token			)





   def      _snake_case		(       self					:			int     , __lowerCamelCase					:			Optional[Any]			):
       SCREAMING_SNAKE_CASE										=   " ".join(__lowerCamelCase			).replace("@@ "     , ""			).strip()
       return out_string





   def      _snake_case		(       self					:			Any     , __lowerCamelCase					:			str     , __lowerCamelCase					:			Optional[str] = None			):
       if not os.path.isdir(__lowerCamelCase			):
           logger.error(f"Vocabulary path ({save_directory}) should be a directory"			)
           return
       SCREAMING_SNAKE_CASE										=   os.path.join(
           __lowerCamelCase     , (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]			)
       SCREAMING_SNAKE_CASE										=   os.path.join(
           __lowerCamelCase     , (filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"]			)

       if os.path.abspath(self.vocab_file			) != os.path.abspath(__lowerCamelCase			):
           copyfile(self.vocab_file     , __lowerCamelCase			)

       if os.path.abspath(self.merges_file			) != os.path.abspath(__lowerCamelCase			):
           copyfile(self.merges_file     , __lowerCamelCase			)

       return out_vocab_file, out_merge_file





   def      _snake_case		(       self					:			int     , __lowerCamelCase					:			Optional[int]			):
       if isinstance(__lowerCamelCase     , __lowerCamelCase			):
           try:
               with open(__lowerCamelCase     , "r"     , encoding="utf-8"			) as fd:
                   self.add_from_file(__lowerCamelCase			)
           except FileNotFoundError as fnfe:
               raise fnfe
           except UnicodeError:
               raise Exception(f"Incorrect encoding detected in {f}, please rebuild the dataset"			)
           return

       SCREAMING_SNAKE_CASE										=   f.readlines()
       for lineTmp in lines:
           SCREAMING_SNAKE_CASE										=   lineTmp.strip()
           SCREAMING_SNAKE_CASE										=   line.rfind(" "			)
           if idx == -1:
               raise ValueError("Incorrect dictionary format, expected '<token> <cnt>'"			)
           SCREAMING_SNAKE_CASE										=   line[:idx]
           SCREAMING_SNAKE_CASE										=   len(self.encoder			)


from typing import Any

import numpy as np





def 	__a     (      A__			:  np.ndarray       ):
    return np.array_equal(A__			,  matrix.conjugate().T       )





def 	__a     (      A__			:  np.ndarray			,  A__			:  np.ndarray       ):
    SCREAMING_SNAKE_CASE										=   v.conjugate().T
    SCREAMING_SNAKE_CASE										=   v_star.dot(A__       )
    assert isinstance(A__			,  np.ndarray       )
    return (v_star_dot.dot(A__       )) / (v_star.dot(A__       ))





def 	__a     (      ):
    SCREAMING_SNAKE_CASE										=   np.array([[2, 2 + 1j, 4], [2 - 1j, 3, 1j], [4, -1j, 1]]       )
    SCREAMING_SNAKE_CASE										=   np.array([[1], [2], [3]]       )
    assert is_hermitian(A__       ), F"{a} is not hermitian."
    print(rayleigh_quotient(A__			,  A__       )       )

    SCREAMING_SNAKE_CASE										=   np.array([[1, 2, 4], [2, 3, -1], [4, -1, 1]]       )
    assert is_hermitian(A__       ), F"{a} is not hermitian."
    assert rayleigh_quotient(A__			,  A__       ) == float(3       )


if __name__ == "__main__":
    import doctest

    doctest.testmod()
    tests()