


'''simple docstring'''


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

import regex as re

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


UpperCAmelCase_		:   Dict							   =		logging.get_logger(__name__)


UpperCAmelCase_		:   List[str]							   =		{
    'vocab_file': 'vocab.json',
    'merges_file': 'merges.txt',
    'tokenizer_config_file': 'tokenizer_config.json',
}

UpperCAmelCase_		:   Any							   =		{
    'vocab_file': {
        'facebook/blenderbot_small-90M': 'https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/vocab.json'
    },
    'merges_file': {
        'facebook/blenderbot_small-90M': 'https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/merges.txt'
    },
    'tokenizer_config_file': {
        'facebook/blenderbot_small-90M': (
            'https://huggingface.co/facebook/blenderbot_small-90M/resolve/main/tokenizer_config.json'
        )
    },
}

UpperCAmelCase_		:   List[Any]							   =		{'facebook/blenderbot_small-90M': 512}







def 			snake_case_   (  SCREAMING_SNAKE_CASE__     ):







				"""simple docstring"""





				_SCREAMING_SNAKE_CASE :       Dict     		=      set()
				_SCREAMING_SNAKE_CASE :       List[str]     		=      word[0]
				for char in word[1:]:
								pairs.add((prev_char, char)     )
								_SCREAMING_SNAKE_CASE :       int     		=      char

				_SCREAMING_SNAKE_CASE :       List[str]     		=      set(SCREAMING_SNAKE_CASE__     )
				return pairs







class     lowercase__  (						_snake_case					):





							'''simple docstring'''


							A_							:      List[str]      	=  VOCAB_FILES_NAMES
							A_							:      Dict      	=  PRETRAINED_VOCAB_FILES_MAP
							A_							:      Tuple      	=  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
							A_							:      Optional[Any]      	=  ["""input_ids""", """attention_mask"""]






							def __init__(    self    ,					__snake_case    ,					__snake_case    ,					__snake_case="__start__"    ,					__snake_case="__end__"    ,					__snake_case="__unk__"    ,					__snake_case="__null__"    ,					**__snake_case    ,					):
											super().__init__(unk_token=__snake_case    ,					bos_token=__snake_case    ,					eos_token=__snake_case    ,					pad_token=__snake_case    ,					**__snake_case  )

											with open(__snake_case    ,					encoding="""utf-8"""  ) as vocab_handle:
															_SCREAMING_SNAKE_CASE :       List[Any]     		=      json.load(__snake_case  )
											_SCREAMING_SNAKE_CASE :       str     		=      {v: k for k, v in self.encoder.items()}
											with open(__snake_case    ,					encoding="""utf-8"""  ) as merges_handle:
															_SCREAMING_SNAKE_CASE :       List[str]     		=      merges_handle.read().split("""\n"""  )[1:-1]
											_SCREAMING_SNAKE_CASE :       Optional[Any]     		=      [tuple(merge.split()  ) for merge in merges]
											_SCREAMING_SNAKE_CASE :       List[Any]     		=      dict(zip(__snake_case    ,					range(len(__snake_case  )  )  )  )
											_SCREAMING_SNAKE_CASE :       Union[str, Any]     		=      {}






							@property
							def UpperCAmelCase_	(    self  ):
											return len(self.encoder  )






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






							def UpperCAmelCase_	(    self    ,					__snake_case  ):
											if token in self.cache:
															return self.cache[token]
											_SCREAMING_SNAKE_CASE :       List[str]     		=      re.sub("""([.,!?()])"""    ,					r""" \1"""    ,					__snake_case  )
											_SCREAMING_SNAKE_CASE :       List[Any]     		=      re.sub("""(')"""    ,					r""" \1 """    ,					__snake_case  )
											_SCREAMING_SNAKE_CASE :       Tuple     		=      re.sub(r"""\s{2,}"""    ,					""" """    ,					__snake_case  )
											if "\n" in token:
															_SCREAMING_SNAKE_CASE :       Any     		=      token.replace("""\n"""    ,					""" __newln__"""  )

											_SCREAMING_SNAKE_CASE :       List[str]     		=      token.split(""" """  )
											_SCREAMING_SNAKE_CASE :       int     		=      []
											for token in tokens:
															if not len(__snake_case  ):
																			continue

															_SCREAMING_SNAKE_CASE :       Dict     		=      token.lower()
															_SCREAMING_SNAKE_CASE :       str     		=      tuple(__snake_case  )
															_SCREAMING_SNAKE_CASE :       Optional[Any]     		=      tuple(list(word[:-1]  ) + [word[-1] + """</w>"""]  )
															_SCREAMING_SNAKE_CASE :       Any     		=      get_pairs(__snake_case  )

															if not pairs:
																			words.append(__snake_case  )
																			continue

															while True:
																			_SCREAMING_SNAKE_CASE :       str     		=      min(__snake_case    ,					key=lambda __snake_case  : self.bpe_ranks.get(__snake_case    ,					float("""inf"""  )  )  )
																			if bigram not in self.bpe_ranks:
																							break
																			_SCREAMING_SNAKE_CASE		,       _SCREAMING_SNAKE_CASE :       List[Any]     		=      bigram
																			_SCREAMING_SNAKE_CASE :       Tuple     		=      []
																			_SCREAMING_SNAKE_CASE :       Optional[int]     		=      0

																			while i < len(__snake_case  ):
																							try:
																											_SCREAMING_SNAKE_CASE :       Dict     		=      word.index(__snake_case    ,					__snake_case  )
																											new_word.extend(word[i:j]  )
																											_SCREAMING_SNAKE_CASE :       List[Any]     		=      j
																							except ValueError:
																											new_word.extend(word[i:]  )
																											break

																							if word[i] == first and i < len(__snake_case  ) - 1 and word[i + 1] == second:
																											new_word.append(first + second  )
																											i += 2
																							else:
																											new_word.append(word[i]  )
																											i += 1
																			_SCREAMING_SNAKE_CASE :       int     		=      tuple(__snake_case  )
																			_SCREAMING_SNAKE_CASE :       List[Any]     		=      new_word
																			if len(__snake_case  ) == 1:
																							break
																			else:
																							_SCREAMING_SNAKE_CASE :       Any     		=      get_pairs(__snake_case  )
															_SCREAMING_SNAKE_CASE :       Union[str, Any]     		=      """@@ """.join(__snake_case  )
															_SCREAMING_SNAKE_CASE :       Tuple     		=      word[:-4]

															_SCREAMING_SNAKE_CASE :       Dict     		=      word
															words.append(__snake_case  )
											return " ".join(__snake_case  )






							def UpperCAmelCase_	(    self    ,					__snake_case  ):
											_SCREAMING_SNAKE_CASE :       Dict     		=      []

											_SCREAMING_SNAKE_CASE :       str     		=      re.findall(r"""\S+\n?"""    ,					__snake_case  )

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






							def UpperCAmelCase_	(    self    ,					__snake_case  ):
											_SCREAMING_SNAKE_CASE :       Optional[Any]     		=      token.lower()
											return self.encoder.get(__snake_case    ,					self.encoder.get(self.unk_token  )  )






							def UpperCAmelCase_	(    self    ,					__snake_case  ):
											return self.decoder.get(__snake_case    ,					self.unk_token  )






							def UpperCAmelCase_	(    self    ,					__snake_case  ):
											_SCREAMING_SNAKE_CASE :       List[Any]     		=      """ """.join(__snake_case  ).replace("""@@ """    ,					""""""  ).strip()
											return out_string






							def UpperCAmelCase_	(    self    ,					__snake_case    ,					__snake_case = None  ):
											if not os.path.isdir(__snake_case  ):
															logger.error(f"""Vocabulary path ({save_directory}) should be a directory"""  )
															return
											_SCREAMING_SNAKE_CASE :       Optional[int]     		=      os.path.join(
											    __snake_case    ,					(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""]  )
											_SCREAMING_SNAKE_CASE :       Tuple     		=      os.path.join(
											    __snake_case    ,					(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""merges_file"""]  )

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

											_SCREAMING_SNAKE_CASE :       List[str]     		=      0
											with open(__snake_case    ,					"""w"""    ,					encoding="""utf-8"""  ) as writer:
															writer.write("""#version: 0.2\n"""  )
															for bpe_tokens, token_index in sorted(self.bpe_ranks.items()    ,					key=lambda __snake_case  : kv[1]  ):
																			if index != token_index:
																							logger.warning(
																							    f"""Saving vocabulary to {merge_file}: BPE merge indices are not consecutive."""
																							    """ Please check that the tokenizer is not corrupted!"""  )
																							_SCREAMING_SNAKE_CASE :       Any     		=      token_index
																			writer.write(""" """.join(__snake_case  ) + """\n"""  )
																			index += 1

											return vocab_file, merge_file








'''simple docstring'''


import unittest

from knapsack import greedy_knapsack as kp





class     lowercase__  (						unittest.TestCase					):





							'''simple docstring'''


							def UpperCAmelCase_	(    self  ):
											_SCREAMING_SNAKE_CASE :       str     		=      [10, 20, 30, 40, 50, 60]
											_SCREAMING_SNAKE_CASE :       List[str]     		=      [2, 4, 6, 8, 10, 12]
											_SCREAMING_SNAKE_CASE :       str     		=      100
											self.assertEqual(kp.calc_profit(__snake_case    ,					__snake_case    ,					__snake_case  )    ,					210  )






							def UpperCAmelCase_	(    self  ):
											self.assertRaisesRegex(__snake_case    ,					"""max_weight must greater than zero."""  )






							def UpperCAmelCase_	(    self  ):
											self.assertRaisesRegex(__snake_case    ,					"""Weight can not be negative."""  )






							def UpperCAmelCase_	(    self  ):
											self.assertRaisesRegex(__snake_case    ,					"""Profit can not be negative."""  )






							def UpperCAmelCase_	(    self  ):
											self.assertRaisesRegex(__snake_case    ,					"""max_weight must greater than zero."""  )






							def UpperCAmelCase_	(    self  ):
											self.assertRaisesRegex(
											    __snake_case    ,					"""The length of profit and weight must be same."""  )


if __name__ == "__main__":
				unittest.main()




