

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

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
       from .tokenization_pegasus import PegasusTokenizer
else:
       snake_case_        =			None


snake_case_        =			logging.get_logger(__name__)


snake_case_        =			'''▁'''

snake_case_        =			{'''vocab_file''': '''spiece.model''', '''tokenizer_file''': '''tokenizer.json'''}

snake_case_        =			{
    '''vocab_file''': {'''google/pegasus-xsum''': '''https://huggingface.co/google/pegasus-xsum/resolve/main/spiece.model'''},
    '''tokenizer_file''': {
        '''google/pegasus-xsum''': '''https://huggingface.co/google/pegasus-xsum/resolve/main/tokenizer.json'''
    },
}

snake_case_        =			{
    '''google/pegasus-xsum''': 512,
}


class 				SCREAMING_SNAKE_CASE__ (__snake_case					):
    __lowerCamelCase						:	Optional[Any]														=					VOCAB_FILES_NAMES
    __lowerCamelCase						:	int														=					PRETRAINED_VOCAB_FILES_MAP
    __lowerCamelCase						:	Union[str, Any]														=					PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
    __lowerCamelCase						:	str														=					PegasusTokenizer
    __lowerCamelCase						:	List[Any]														=					["""input_ids""", """attention_mask"""]





    def __init__(				self						,       a=None						,       a=None						,       a="<pad>"						,       a="</s>"						,       a="<unk>"						,       a="<mask_2>"						,       a="<mask_1>"						,       a=None						,       a=103						,       **a						,       ):
         lowercase__   :       Tuple				=	offset

         if additional_special_tokens is not None:
              if not isinstance(a						,       a):
                   raise TypeError(
                       f"""additional_special_tokens should be of type {type(a)}, but is"""
                       f""" {type(a)}""")

              lowercase__   :       Dict				=	(
                  ([mask_token_sent] + additional_special_tokens)
                  if mask_token_sent not in additional_special_tokens and mask_token_sent is not None
                  else additional_special_tokens
              )
              # fill additional tokens with ..., <unk_token_102> in case not all additional tokens are already taken
              additional_special_tokens_extended += [
                  f"""<unk_{i}>""" for i in range(len(a)						,       self.offset - 1)
              ]

              if len(set(a)) != len(a):
                   raise ValueError(
                       'Please make sure that the provided additional_special_tokens do not contain an incorrectly'
                       f""" shifted list of <unk_x> tokens. Found {additional_special_tokens_extended}.""")
              lowercase__   :       str				=	additional_special_tokens_extended
         else:
              lowercase__   :       Optional[Any]				=	[mask_token_sent] if mask_token_sent is not None else []
              additional_special_tokens += [f"""<unk_{i}>""" for i in range(2						,       self.offset)]

         super().__init__(
             a						,       tokenizer_file=a						,       pad_token=a						,       eos_token=a						,       unk_token=a						,       mask_token=a						,       mask_token_sent=a						,       offset=a						,       additional_special_tokens=a						,       **a						,       )
         lowercase__   :       Union[str, Any]				=	vocab_file
         lowercase__   :       Optional[int]				=	False if not self.vocab_file else True





    def 				snake_case_    (				self						,       a):
         lowercase__   :       List[str]				=	set(self.all_special_ids)  # call it once instead of inside list comp
         all_special_ids.remove(self.unk_token_id)  # <unk> is only sometimes special

         if all_special_ids != set(range(len(self.additional_special_tokens) + 3)):
              raise ValueError(
                  'There should be 3 special tokens: mask_token, pad_token, and eos_token +'
                  f""" {len(self.additional_special_tokens)} additional_special_tokens, but got {all_special_ids}""")

         return [1 if x in all_special_ids else 0 for x in seq]





    def 				snake_case_    (				self						,       a						,       a = None						,       a = False):
         if already_has_special_tokens:
              return self._special_token_mask(a)
         elif token_ids_a is None:
              return self._special_token_mask(a) + [1]
         else:
              return self._special_token_mask(token_ids_a + token_ids_a) + [1]





    def 				snake_case_    (				self						,       a						,       a=None):
         if token_ids_a is None:
              return token_ids_a + [self.eos_token_id]
         # We don't expect to process pairs, but leave the pair logic for API consistency
         return token_ids_a + token_ids_a + [self.eos_token_id]





    def 				snake_case_    (				self						,       a						,       a = None):
         if not self.can_save_slow_tokenizer:
              raise ValueError(
                  'Your fast tokenizer does not have the necessary information to save the vocabulary for a slow '
                  'tokenizer.')

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

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

         return (out_vocab_file,)




import os

try:
       from .build_directory_md import good_file_paths
except ImportError:
       from build_directory_md import good_file_paths  # type: ignore

snake_case_        =			list(good_file_paths())
assert filepaths, "good_file_paths() failed!"

snake_case_        =			[file for file in filepaths if file != file.lower()]
if upper_files:
       print(F'''{len(upper_files)} files contain uppercase characters:''')
       print('''\n'''.join(upper_files) + '''\n''')

snake_case_        =			[file for file in filepaths if ''' ''' in file]
if space_files:
       print(F'''{len(space_files)} files contain space characters:''')
       print('''\n'''.join(space_files) + '''\n''')

snake_case_        =			[file for file in filepaths if '''-''' in file]
if hyphen_files:
       print(F'''{len(hyphen_files)} files contain hyphen characters:''')
       print('''\n'''.join(hyphen_files) + '''\n''')

snake_case_        =			[file for file in filepaths if os.sep not in file]
if nodir_files:
       print(F'''{len(nodir_files)} files are not in a directory:''')
       print('''\n'''.join(nodir_files) + '''\n''')

snake_case_        =			len(upper_files + space_files + hyphen_files + nodir_files)
if bad_files:
       import sys

       sys.exit(bad_files)

