


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

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


SCREAMING_SNAKE_CASE			: Optional[Any]				   =					logging.get_logger(__name__)

SCREAMING_SNAKE_CASE			: Optional[int]				   =					{
    "vocab_file": "vocab.txt",
    "merges_file": "bpe.codes",
}

SCREAMING_SNAKE_CASE			: Tuple				   =					{
    "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",
    },
}

SCREAMING_SNAKE_CASE			: Tuple				   =					{
    "vinai/phobert-base": 256,
    "vinai/phobert-large": 256,
}



def 							UpperCamelCase_( lowerCamelCase_					)       ->		Optional[int]:
    _lowercase			:				Optional[int] 						=						set()
    _lowercase			:				int 						=						word[0]
    for char in word[1:]:
        pairs.add((prev_char, char)					)
        _lowercase			:				Optional[Any] 						=						char

    _lowercase			:				Union[str, Any] 						=						set(lowerCamelCase_					)
    return pairs






class _lowerCamelCase(		_a  ):
       lowercase_					:      Any       					=     VOCAB_FILES_NAMES
       lowercase_					:      Union[str, Any]       					=     PRETRAINED_VOCAB_FILES_MAP
       lowercase_					:      Optional[int]       					=     PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
       def __init__(   self, lowerCamelCase, lowerCamelCase, lowerCamelCase="<s>", lowerCamelCase="</s>", lowerCamelCase="</s>", lowerCamelCase="<s>", lowerCamelCase="<unk>", lowerCamelCase="<pad>", lowerCamelCase="<mask>", **lowerCamelCase, )			->  Union[str, Any]:




           """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, )

           _lowercase			:				str 						=						vocab_file
           _lowercase			:				Any 						=						merges_file

           _lowercase			:				Optional[Any] 						=						{}
           _lowercase			:				Tuple 						=						0
           _lowercase			:				List[Any] 						=						1
           _lowercase			:				List[str] 						=						2
           _lowercase			:				List[str] 						=						3

           self.add_from_file(lowerCamelCase)

           _lowercase			:				Optional[int] 						=						{v: k for k, v in self.encoder.items()}

           with open(lowerCamelCase, encoding='utf-8') as merges_handle:
               _lowercase			:				Union[str, Any] 						=						merges_handle.read().split('\n')[:-1]
           _lowercase			:				Any 						=						[tuple(merge.split()[:-1]) for merge in merges]
           _lowercase			:				List[Any] 						=						dict(zip(lowerCamelCase, range(len(lowerCamelCase))))
           _lowercase			:				int 						=						{}
       def      UpperCamelCase	(   self, lowerCamelCase, lowerCamelCase = None)			->  List[int]:




           """simple docstring"""

           if token_ids_a is None:
               return [self.cls_token_id] + token_ids_a + [self.sep_token_id]
           _lowercase			:				Union[str, Any] 						=						[self.cls_token_id]
           _lowercase			:				str 						=						[self.sep_token_id]
           return cls + token_ids_a + sep + 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)

           if token_ids_a is None:
               return [1] + ([0] * len(lowerCamelCase)) + [1]
           return [1] + ([0] * len(lowerCamelCase)) + [1, 1] + ([0] * len(lowerCamelCase)) + [1]
       def      UpperCamelCase	(   self, lowerCamelCase, lowerCamelCase = None)			->  List[int]:




           """simple docstring"""

           _lowercase			:				List[Any] 						=						[self.sep_token_id]
           _lowercase			:				Tuple 						=						[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      UpperCamelCase	(   self)			->  List[Any]:




           """simple docstring"""

           return len(self.encoder)
       def      UpperCamelCase	(   self)			->  str:




           """simple docstring"""

           return dict(self.encoder, **self.added_tokens_encoder)
       def      UpperCamelCase	(   self, lowerCamelCase)			->  List[Any]:




           """simple docstring"""

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

           if not pairs:
               return token

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




           """simple docstring"""

           _lowercase			:				List[str] 						=						[]

           _lowercase			:				List[Any] 						=						re.findall(R'\S+\n?', lowerCamelCase)

           for token in words:
               split_tokens.extend(list(self.bpe(lowerCamelCase).split(' ')))
           return split_tokens
       def      UpperCamelCase	(   self, lowerCamelCase)			->  int:




           """simple docstring"""

           return self.encoder.get(lowerCamelCase, self.encoder.get(self.unk_token))
       def      UpperCamelCase	(   self, lowerCamelCase)			->  Dict:




           """simple docstring"""

           return self.decoder.get(lowerCamelCase, self.unk_token)
       def      UpperCamelCase	(   self, lowerCamelCase)			->  Any:




           """simple docstring"""

           _lowercase			:				Union[str, Any] 						=						' '.join(lowerCamelCase).replace('@@ ', '').strip()
           return out_string
       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
           _lowercase			:				Optional[int] 						=						os.path.join(
               lowerCamelCase, (filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file'])
           _lowercase			:				str 						=						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      UpperCamelCase	(   self, lowerCamelCase)			->  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

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









def   __lowerCamelCase   (				__a  :int       ,	__a  :int       )						->							Optional[Any]:






		"""simple docstring"""

		if b == 0:
				return 1
		if (b % 2) == 0:
				return actual_power(__a       ,	int(b / 2       )       ) * actual_power(__a       ,	int(b / 2       )       )
		else:
				return a * actual_power(__a       ,	int(b / 2       )       ) * actual_power(__a       ,	int(b / 2       )       )







def   __lowerCamelCase   (				__a  :int       ,	__a  :int       )						->							float:






		"""simple docstring"""

		if b < 0:
				return 1 / actual_power(__a       ,	__a       )
		return actual_power(__a       ,	__a       )


if __name__ == "__main__":
					print(power(-2, -3))



