



import json
import os
from functools import lru_cache
from typing import List, Optional, Tuple

import regex as re

from ...tokenization_utils import AddedToken, PreTrainedTokenizer
from ...utils import logging


lowercase_								=     logging.get_logger(__name__)


lowercase_								=     {"""vocab_file""": """vocab.json""", """merges_file""": """merges.txt"""}

# See all BART models at https://huggingface.co/models?filter=bart
lowercase_								=     {
    """vocab_file""": {
        """facebook/bart-base""": """https://huggingface.co/facebook/bart-base/resolve/main/vocab.json""",
        """facebook/bart-large""": """https://huggingface.co/facebook/bart-large/resolve/main/vocab.json""",
        """facebook/bart-large-mnli""": """https://huggingface.co/facebook/bart-large-mnli/resolve/main/vocab.json""",
        """facebook/bart-large-cnn""": """https://huggingface.co/facebook/bart-large-cnn/resolve/main/vocab.json""",
        """facebook/bart-large-xsum""": """https://huggingface.co/facebook/bart-large-xsum/resolve/main/vocab.json""",
        """yjernite/bart_eli5""": """https://huggingface.co/yjernite/bart_eli5/resolve/main/vocab.json""",
    },
    """merges_file""": {
        """facebook/bart-base""": """https://huggingface.co/facebook/bart-base/resolve/main/merges.txt""",
        """facebook/bart-large""": """https://huggingface.co/facebook/bart-large/resolve/main/merges.txt""",
        """facebook/bart-large-mnli""": """https://huggingface.co/facebook/bart-large-mnli/resolve/main/merges.txt""",
        """facebook/bart-large-cnn""": """https://huggingface.co/facebook/bart-large-cnn/resolve/main/merges.txt""",
        """facebook/bart-large-xsum""": """https://huggingface.co/facebook/bart-large-xsum/resolve/main/merges.txt""",
        """yjernite/bart_eli5""": """https://huggingface.co/yjernite/bart_eli5/resolve/main/merges.txt""",
    },
}

lowercase_								=     {
    """facebook/bart-base""": 1024,
    """facebook/bart-large""": 1024,
    """facebook/bart-large-mnli""": 1024,
    """facebook/bart-large-cnn""": 1024,
    """facebook/bart-large-xsum""": 1024,
    """yjernite/bart_eli5""": 1024,
}



@lru_cache()
def __lowerCAmelCase (     ):
   lowercase__					  =				(
       list(range(ord("!"  )						,  ord("~"  ) + 1  )  ) + list(range(ord("¡"  )						,  ord("¬"  ) + 1  )  ) + list(range(ord("®"  )						,  ord("ÿ"  ) + 1  )  )
   )
   lowercase__					  =				bs[:]
   lowercase__					  =				0
   for b in range(2**8  ):
      if b not in bs:
         bs.append(a__  )
         cs.append(2**8 + n  )
         n += 1
   lowercase__					  =				[chr(a__  ) for n in cs]
   return dict(zip(a__						,  a__  )  )



def __lowerCAmelCase (     SCREAMING_SNAKE_CASE_  ):
   lowercase__					  =				set()
   lowercase__					  =				word[0]
   for char in word[1:]:
      pairs.add((prev_char, char)  )
      lowercase__					  =				char
   return pairs




class 				_snake_case			(					lowercase__):
    UpperCamelCase__				:					str     		=VOCAB_FILES_NAMES
    UpperCamelCase__				:					List[Any]     		=PRETRAINED_VOCAB_FILES_MAP
    UpperCamelCase__				:					Optional[Any]     		=PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    UpperCamelCase__				:					Optional[Any]     		=["""input_ids""", """attention_mask"""]




    def __init__(						self					:						int,					__lowercase					:						List[Any],					__lowercase					:						Union[str, Any],					__lowercase					:						int="replace",					__lowercase					:						Union[str, Any]="<s>",					__lowercase					:						List[Any]="</s>",					__lowercase					:						Union[str, Any]="</s>",					__lowercase					:						Union[str, Any]="<s>",					__lowercase					:						Optional[int]="<unk>",					__lowercase					:						Optional[int]="<pad>",					__lowercase					:						str="<mask>",					__lowercase					:						Tuple=False,					**__lowercase					:						List[str],					):
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else bos_token
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else eos_token
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else sep_token
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else cls_token
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else unk_token
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else pad_token

       # Mask token behave like a normal word, i.e. include the space before it
       lowercase__					  =				AddedToken(lowercase_,					lstrip=lowercase_,					rstrip=lowercase_						) if isinstance(lowercase_,					lowercase_						) else mask_token

       super().__init__(
           errors=lowercase_,					bos_token=lowercase_,					eos_token=lowercase_,					unk_token=lowercase_,					sep_token=lowercase_,					cls_token=lowercase_,					pad_token=lowercase_,					mask_token=lowercase_,					add_prefix_space=lowercase_,					**lowercase_,					)

       with open(lowercase_,					encoding="utf-8"						) as vocab_handle:
          lowercase__					  =				json.load(lowercase_						)
       lowercase__					  =				{v: k for k, v in self.encoder.items()}
       lowercase__					  =				errors  # how to handle errors in decoding
       lowercase__					  =				bytes_to_unicode()
       lowercase__					  =				{v: k for k, v in self.byte_encoder.items()}
       with open(lowercase_,					encoding="utf-8"						) as merges_handle:
          lowercase__					  =				merges_handle.read().split("\n"						)[1:-1]
       lowercase__					  =				[tuple(merge.split()						) for merge in bpe_merges]
       lowercase__					  =				dict(zip(lowercase_,					range(len(lowercase_						)						)						)						)
       lowercase__					  =				{}
       lowercase__					  =				add_prefix_space

       # Should have added re.IGNORECASE so BPE merges can happen for capitalized versions of contractions
       lowercase__					  =				re.compile(R"'s|'t|'re|'ve|'m|'ll|'d| ?\p{L}+| ?\p{N}+| ?[^\s\p{L}\p{N}]+|\s+(?!\S)|\s+"						)




    @property
    def 							A__      (						self					:						Any						):
       return len(self.encoder						)




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




    def 							A__      (						self					:						List[str],					__lowercase					:						str						):







       if token in self.cache:
          return self.cache[token]
       lowercase__					  =				tuple(lowercase_						)
       lowercase__					  =				get_pairs(lowercase_						)

       if not pairs:
          return token

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




    def 							A__      (						self					:						int,					__lowercase					:						Optional[Any]						):
       lowercase__					  =				[]
       for token in re.findall(self.pat,					lowercase_						):
          lowercase__					  =				"".join(
              self.byte_encoder[b] for b in token.encode("utf-8"						)						)  # Maps all our bytes to unicode strings, avoiding control tokens of the BPE (spaces in our case)
          bpe_tokens.extend(bpe_token for bpe_token in self.bpe(lowercase_						).split(" "						)						)
       return bpe_tokens




    def 							A__      (						self					:						int,					__lowercase					:						Optional[int]						):
       return self.encoder.get(lowercase_,					self.encoder.get(self.unk_token						)						)




    def 							A__      (						self					:						Tuple,					__lowercase					:						Optional[Any]						):
       return self.decoder.get(lowercase_						)




    def 							A__      (						self					:						Union[str, Any],					__lowercase					:						str						):
       lowercase__					  =				"".join(lowercase_						)
       lowercase__					  =				bytearray([self.byte_decoder[c] for c in text]						).decode("utf-8",					errors=self.errors						)
       return text




    def 							A__      (						self					:						List[Any],					__lowercase					:						str,					__lowercase					:						Optional[str] = None						):







       if not os.path.isdir(lowercase_						):
          logger.error(F'''Vocabulary path ({save_directory}) should be a directory'''						)
          return
       lowercase__					  =				os.path.join(
           lowercase_,					(filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["vocab_file"]						)
       lowercase__					  =				os.path.join(
           lowercase_,					(filename_prefix + "-" if filename_prefix else "") + VOCAB_FILES_NAMES["merges_file"]						)

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

       lowercase__					  =				0
       with open(lowercase_,					"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 __lowercase						: 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!"						)
                lowercase__					  =				token_index
             writer.write(" ".join(lowercase_						) + "\n"						)
             index += 1

       return vocab_file, merge_file




    def 							A__      (						self					:						Union[str, Any],					__lowercase					:						List[int],					__lowercase					:						Optional[List[int]] = None						):







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




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







       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[Any],					__lowercase					:						List[int],					__lowercase					:						Optional[List[int]] = None						):
       lowercase__					  =				[self.sep_token_id]
       lowercase__					  =				[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]




    def 							A__      (						self					:						Dict,					__lowercase					:						List[str],					__lowercase					:						int=False,					**__lowercase					:						str						):
       lowercase__					  =				kwargs.pop("add_prefix_space",					self.add_prefix_space						)
       if (is_split_into_words or add_prefix_space) and (len(lowercase_						) > 0 and not text[0].isspace()):
          lowercase__					  =				" " + text
       return (text, kwargs)









# Copyright 2021 The HuggingFace Team. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

from argparse import ArgumentParser

from accelerate.commands.config import get_config_parser
from accelerate.commands.env import env_command_parser
from accelerate.commands.launch import launch_command_parser
from accelerate.commands.test import test_command_parser
from accelerate.commands.tpu import tpu_command_parser



def __lowerCAmelCase (     ):
			lowercase__					  =				ArgumentParser("Accelerate CLI tool"						,  usage="accelerate <command> [<args>]"						,  allow_abbrev=SCREAMING_SNAKE_CASE_  )
			lowercase__					  =				parser.add_subparsers(help="accelerate command helpers"  )

			# Register commands
			get_config_parser(subparsers=SCREAMING_SNAKE_CASE_  )
			env_command_parser(subparsers=SCREAMING_SNAKE_CASE_  )
			launch_command_parser(subparsers=SCREAMING_SNAKE_CASE_  )
			tpu_command_parser(subparsers=SCREAMING_SNAKE_CASE_  )
			test_command_parser(subparsers=SCREAMING_SNAKE_CASE_  )

			# Let's go
			lowercase__					  =				parser.parse_args()

			if not hasattr(SCREAMING_SNAKE_CASE_						,  "func"  ):
						parser.print_help()
						exit(1  )

			# Run
			args.func(SCREAMING_SNAKE_CASE_  )


if __name__ == "__main__":
							main()




