



"""simple docstring"""
import os
import re
from shutil import copyfile
from typing import List, Optional, Tuple

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


A:  int      				=						logging.get_logger(__name__)

A:  Tuple      				=						{
    'vocab_file': 'vocab.txt',
    'merges_file': 'bpe.codes',
}

A:  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:  List[Any]      				=						{
    'vinai/phobert-base': 2_5_6,
    'vinai/phobert-large': 2_5_6,
}

def  _snake_case		(		UpperCamelCase		:						str		):
 UpperCAmelCase      :   int      =      set()
 UpperCAmelCase      :   Any      =      word[0]
 for char in word[1:]:
  pairs.add((prev_char, char)		)
  UpperCAmelCase      :   Any      =      char

 UpperCAmelCase      :   Optional[int]      =      set(UpperCAmelCase_		)
 return pairs



class  SCREAMING_SNAKE_CASE__    (   UpperCAmelCase__					):
   __lowerCAmelCase    :  str		=		VOCAB_FILES_NAMES
   __lowerCAmelCase    :  Dict		=		PRETRAINED_VOCAB_FILES_MAP
   __lowerCAmelCase    :  Union[str, Any]		=		PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES

   def __init__(  self ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE="<s>" ,	_SCREAMING_SNAKE_CASE="</s>" ,	_SCREAMING_SNAKE_CASE="</s>" ,	_SCREAMING_SNAKE_CASE="<s>" ,	_SCREAMING_SNAKE_CASE="<unk>" ,	_SCREAMING_SNAKE_CASE="<pad>" ,	_SCREAMING_SNAKE_CASE="<mask>" ,	**_SCREAMING_SNAKE_CASE ,	)    -> Optional[int]:





    '''simple docstring'''




    super().__init__(
        bos_token=lowerCamelCase__ ,	eos_token=lowerCamelCase__ ,	unk_token=lowerCamelCase__ ,	sep_token=lowerCamelCase__ ,	cls_token=lowerCamelCase__ ,	pad_token=lowerCamelCase__ ,	mask_token=lowerCamelCase__ ,	**lowerCamelCase__ ,	)

    UpperCAmelCase      :   Tuple      =      vocab_file
    UpperCAmelCase      :   str      =      merges_file

    UpperCAmelCase      :   Dict      =      {}
    UpperCAmelCase      :   Union[str, Any]      =      0
    UpperCAmelCase      :   List[Any]      =      1
    UpperCAmelCase      :   int      =      2
    UpperCAmelCase      :   Dict      =      3

    self.add_from_file(lowerCamelCase__		)

    UpperCAmelCase      :   List[str]      =      {v: k for k, v in self.encoder.items()}

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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE = None		)    -> int:





    '''simple docstring'''




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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE = None ,	_SCREAMING_SNAKE_CASE = False		)    -> str:





    '''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__		)

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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE = None		)    -> int:





    '''simple docstring'''




    UpperCAmelCase      :   List[Any]      =      [self.sep_token_id]
    UpperCAmelCase      :   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       SCREAMING_SNAKE_CASE	(  self		)    -> Optional[int]:





    '''simple docstring'''




    return len(self.encoder		)

   def       SCREAMING_SNAKE_CASE	(  self		)    -> Any:





    '''simple docstring'''




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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> str:





    '''simple docstring'''




    if token in self.cache:
     return self.cache[token]
    UpperCAmelCase      :   int      =      tuple(lowerCamelCase__		)
    UpperCAmelCase      :   Optional[int]      =      tuple(list(word[:-1]		) + [word[-1] + """</w>"""]		)
    UpperCAmelCase      :   List[Any]      =      get_pairs(lowerCamelCase__		)

    if not pairs:
     return token

    while True:
     UpperCAmelCase      :   Dict      =      min(lowerCamelCase__ ,	key=lambda _SCREAMING_SNAKE_CASE		: self.bpe_ranks.get(lowerCamelCase__ ,	float("""inf"""		)		)		)
     if bigram not in self.bpe_ranks:
      break
     UpperCAmelCase      :   Any      =      bigram
     UpperCAmelCase      :   Any      =      []
     UpperCAmelCase      :   int      =      0
     while i < len(lowerCamelCase__		):
      try:
       UpperCAmelCase      :   List[Any]      =      word.index(lowerCamelCase__ ,	lowerCamelCase__		)
      except ValueError:
       new_word.extend(word[i:]		)
       break
      else:
       new_word.extend(word[i:j]		)
       UpperCAmelCase      :   Optional[int]      =      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      :   Tuple      =      tuple(lowerCamelCase__		)
     UpperCAmelCase      :   List[Any]      =      new_word
     if len(lowerCamelCase__		) == 1:
      break
     else:
      UpperCAmelCase      :   List[str]      =      get_pairs(lowerCamelCase__		)
    UpperCAmelCase      :   Tuple      =      '@@ '.join(lowerCamelCase__		)
    UpperCAmelCase      :   Tuple      =      word[:-4]
    UpperCAmelCase      :   List[str]      =      word
    return word

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> Any:





    '''simple docstring'''




    UpperCAmelCase      :   List[Any]      =      []

    UpperCAmelCase      :   Dict      =      re.findall(r"""\S+\n?""" ,	lowerCamelCase__		)

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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> Optional[Any]:





    '''simple docstring'''




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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> List[Any]:





    '''simple docstring'''




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

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> Tuple:





    '''simple docstring'''




    UpperCAmelCase      :   int      =      ' '.join(lowerCamelCase__		).replace("""@@ """ ,	""""""		).strip()
    return out_string

   def       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE ,	_SCREAMING_SNAKE_CASE = None		)    -> Optional[int]:





    '''simple docstring'''




    if not os.path.isdir(lowerCamelCase__		):
     logger.error(F"Vocabulary path ({save_directory}) should be a directory"		)
     return
    UpperCAmelCase      :   List[Any]      =      os.path.join(
        lowerCamelCase__ ,	(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]		)
    UpperCAmelCase      :   Dict      =      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       SCREAMING_SNAKE_CASE	(  self ,	_SCREAMING_SNAKE_CASE		)    -> Dict:





    '''simple docstring'''




    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

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





'''simple docstring'''
from __future__ import annotations






def A__       (	UpperCAmelCase_    ,    UpperCAmelCase_				):
						_UpperCamelCase							,     _UpperCamelCase   :						Dict												=  position
						_UpperCamelCase   :						Any												=  [
						    (y + 1, x + 2),
						    (y - 1, x + 2),
						    (y + 1, x - 2),
						    (y - 1, x - 2),
						    (y + 2, x + 1),
						    (y + 2, x - 1),
						    (y - 2, x + 1),
						    (y - 2, x - 1),
						]
						_UpperCamelCase   :						Optional[Any]												=  []

						for position in positions:
												_UpperCamelCase							,     _UpperCamelCase   :						Any												=  position
												if 0 <= y_test < n and 0 <= x_test < n:
																		permissible_positions.append(UpperCAmelCase_				)

						return permissible_positions






def A__       (	UpperCAmelCase_				):
						return not any(elem == 0 for row in board for elem in row				)






def A__       (	UpperCAmelCase_    ,    UpperCAmelCase_    ,    UpperCAmelCase_				):

						if is_complete(UpperCAmelCase_				):
												return True

						for position in get_valid_pos(UpperCAmelCase_    ,    len(UpperCAmelCase_				)				):
												_UpperCamelCase							,     _UpperCamelCase   :						Any												=  position

												if board[y][x] == 0:
																		_UpperCamelCase   :						int												=  curr + 1
																		if open_knight_tour_helper(UpperCAmelCase_    ,    UpperCAmelCase_    ,    curr + 1				):
																								return True
																		_UpperCamelCase   :						Union[str, Any]												=  0

						return False






def A__       (	UpperCAmelCase_				):
						_UpperCamelCase   :						Dict												=  [[0 for i in range(UpperCAmelCase_				)] for j in range(UpperCAmelCase_				)]

						for i in range(UpperCAmelCase_				):
												for j in range(UpperCAmelCase_				):
																		_UpperCamelCase   :						Tuple												=  1
																		if open_knight_tour_helper(UpperCAmelCase_    ,    (i, j)    ,    1				):
																								return board
																		_UpperCamelCase   :						Union[str, Any]												=  0

						_UpperCamelCase   :						int												=  f'Open Kight Tour cannot be performed on a board of size {n}'
						raise ValueError(UpperCAmelCase_				)


if __name__ == "__main__":
					import doctest

					doctest.testmod()


