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

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


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

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

__UpperCamelCase						:			int     		=	{
    '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',
    },
}

__UpperCamelCase						:			Optional[int]     		=	{
    'vinai/phobert-base': 256,
    'vinai/phobert-large': 256,
}
def  A      (       _lowercase		):
						SCREAMING_SNAKE_CASE				:       str     							=				set()
						SCREAMING_SNAKE_CASE				:       Optional[int]     							=				word[0]
						for char in word[1:]:
												pairs.add((prev_char, char)		)
												SCREAMING_SNAKE_CASE				:       Optional[Any]     							=				char

						SCREAMING_SNAKE_CASE				:       Tuple     							=				set(_lowercase		)
						return pairs





class    lowercase__		(  __a):
						UpperCamelCase_	=						VOCAB_FILES_NAMES
						UpperCamelCase_	=						PRETRAINED_VOCAB_FILES_MAP
						UpperCamelCase_	=						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES


						def __init__(			self      :							Dict       ,						UpperCamelCase__      :							Tuple       ,						UpperCamelCase__      :							List[Any]       ,						UpperCamelCase__      :							Optional[Any]="<s>"       ,						UpperCamelCase__      :							List[Any]="</s>"       ,						UpperCamelCase__      :							List[str]="</s>"       ,						UpperCamelCase__      :							List[Any]="<s>"       ,						UpperCamelCase__      :							Any="<unk>"       ,						UpperCamelCase__      :							Optional[int]="<pad>"       ,						UpperCamelCase__      :							Dict="<mask>"       ,						**UpperCamelCase__      :							List[str]       ,						):





												'''simple docstring'''





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

												SCREAMING_SNAKE_CASE				:       Any     							=				vocab_file
												SCREAMING_SNAKE_CASE				:       Any     							=				merges_file

												SCREAMING_SNAKE_CASE				:       str     							=				{}
												SCREAMING_SNAKE_CASE				:       str     							=				0
												SCREAMING_SNAKE_CASE				:       Any     							=				1
												SCREAMING_SNAKE_CASE				:       int     							=				2
												SCREAMING_SNAKE_CASE				:       Optional[int]     							=				3

												self.add_from_file(_lowercase		)

												SCREAMING_SNAKE_CASE				:       Union[str, Any]     							=				{v: k for k, v in self.encoder.items()}

												with open(_lowercase       ,						encoding='''utf-8'''		) as merges_handle:
																		SCREAMING_SNAKE_CASE				:       Optional[Any]     							=				merges_handle.read().split('''\n'''		)[:-1]
												SCREAMING_SNAKE_CASE				:       Tuple     							=				[tuple(merge.split()[:-1]		) for merge in merges]
												SCREAMING_SNAKE_CASE				:       Union[str, Any]     							=				dict(zip(_lowercase       ,						range(len(_lowercase		)		)		)		)
												SCREAMING_SNAKE_CASE				:       Optional[Any]     							=				{}


						def 			__A			(			self      :							Tuple       ,						UpperCamelCase__      :							List[int]       ,						UpperCamelCase__      :							Optional[List[int]] = None		):





												'''simple docstring'''





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


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





												'''simple docstring'''





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

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


						def 			__A			(			self      :							Optional[int]       ,						UpperCamelCase__      :							List[int]       ,						UpperCamelCase__      :							Optional[List[int]] = None		):





												'''simple docstring'''





												SCREAMING_SNAKE_CASE				:       Optional[int]     							=				[self.sep_token_id]
												SCREAMING_SNAKE_CASE				:       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]


						@property
						def 			__A			(			self      :							int		):





												'''simple docstring'''





												return len(self.encoder		)


						def 			__A			(			self      :							Any		):





												'''simple docstring'''





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


						def 			__A			(			self      :							Any       ,						UpperCamelCase__      :							Tuple		):





												'''simple docstring'''





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

												if not pairs:
																		return token

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

																								if word[i] == first and i < len(_lowercase		) - 1 and word[i + 1] == second:
																														new_word.append(first + second		)
																														i += 2
																								else:
																														new_word.append(word[i]		)
																														i += 1
																		SCREAMING_SNAKE_CASE				:       Dict     							=				tuple(_lowercase		)
																		SCREAMING_SNAKE_CASE				:       List[Any]     							=				new_word
																		if len(_lowercase		) == 1:
																								break
																		else:
																								SCREAMING_SNAKE_CASE				:       int     							=				get_pairs(_lowercase		)
												SCREAMING_SNAKE_CASE				:       List[Any]     							=				'''@@ '''.join(_lowercase		)
												SCREAMING_SNAKE_CASE				:       Optional[int]     							=				word[:-4]
												SCREAMING_SNAKE_CASE				:       Any     							=				word
												return word


						def 			__A			(			self      :							List[str]       ,						UpperCamelCase__      :							str		):





												'''simple docstring'''





												SCREAMING_SNAKE_CASE				:       Dict     							=				[]

												SCREAMING_SNAKE_CASE				:       Tuple     							=				re.findall(r'''\S+\n?'''       ,						_lowercase		)

												for token in words:
																		split_tokens.extend(list(self.bpe(_lowercase		).split(''' '''		)		)		)
												return split_tokens


						def 			__A			(			self      :							Dict       ,						UpperCamelCase__      :							List[Any]		):





												'''simple docstring'''





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


						def 			__A			(			self      :							Tuple       ,						UpperCamelCase__      :							str		):





												'''simple docstring'''





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


						def 			__A			(			self      :							Union[str, Any]       ,						UpperCamelCase__      :							Optional[Any]		):





												'''simple docstring'''





												SCREAMING_SNAKE_CASE				:       List[str]     							=				''' '''.join(_lowercase		).replace('''@@ '''       ,						''''''		).strip()
												return out_string


						def 			__A			(			self      :							List[str]       ,						UpperCamelCase__      :							str       ,						UpperCamelCase__      :							Optional[str] = None		):





												'''simple docstring'''





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

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

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

												return out_vocab_file, out_merge_file



						def 			__A			(			self      :							int       ,						UpperCamelCase__      :							List[Any]		):





												'''simple docstring'''





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

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






import random




def    lowerCAmelCase_  (		lowercase:				int	,       lowercase:				float	,       lowercase:				bool = False		)     ->					dict:







 '''simple docstring'''
 _UpperCamelCase:  dict    						=			{i: [] for i in range(lowercase		)}

 # if probability is greater or equal than 1, then generate a complete graph
 if probability >= 1:
  return complete_graph(lowercase		)
 # if probability is lower or equal than 0, then return a graph without edges
 if probability <= 0:
  return graph

 # for each couple of nodes, add an edge from u to v
 # if the number randomly generated is greater than probability probability
 for i in range(lowercase		):
  for j in range(i + 1	,       lowercase		):
   if random.random() < probability:
    graph[i].append(lowercase		)
    if not directed:
     # if the graph is undirected, add an edge in from j to i, either
     graph[j].append(lowercase		)
 return graph




def    lowerCAmelCase_  (		lowercase:				int		)     ->					dict:







 '''simple docstring'''
 return {
     i: [j for j in range(lowercase		) if i != j] for i in range(lowercase		)
 }


if __name__ == "__main__":
  import doctest

  doctest.testmod()