





import importlib
import shutil
import threading
import warnings
from typing import List

import fsspec
import fsspec.asyn

from . import compression
from .hffilesystem import HfFileSystem


_UpperCAmelCase							:			int        =							importlib.util.find_spec("""s3fs""") is not None

if _has_safs:
    from .safilesystem import SaFileSystem  # noqa: F401

_UpperCAmelCase							:			List[compression.BaseCompressedFileFileSystem]        =							[
    compression.BzaFileSystem,
    compression.GzipFileSystem,
    compression.LzaFileSystem,
    compression.XzFileSystem,
    compression.ZstdFileSystem,
]

# Register custom filesystems
for fs_class in COMPRESSION_FILESYSTEMS + [HfFileSystem]:
    if fs_class.protocol in fsspec.registry and fsspec.registry[fs_class.protocol] is not fs_class:
        warnings.warn(F"""A filesystem protocol was already set for {fs_class.protocol} and will be overwritten.""")
    fsspec.register_implementation(fs_class.protocol, fs_class, clobber=True)


def 			SCREAMING_SNAKE_CASE (			_UpperCAmelCase					)     ->	str:
    if "://" in dataset_path:
        lowerCamelCase__       : List[Any]   					=						dataset_path.split('://'					)[1]
    return dataset_path


def 			SCREAMING_SNAKE_CASE (			_UpperCAmelCase					)     ->	bool:
    if fs is not None and fs.protocol != "file":
        return True
    else:
        return False


def 			SCREAMING_SNAKE_CASE (			_UpperCAmelCase		,      _UpperCAmelCase		,      _UpperCAmelCase					)     ->	Any:
    lowerCamelCase__       : Union[str, Any]   					=						not is_remote_filesystem(_UpperCAmelCase					)
    if is_local:
        # LocalFileSystem.mv does copy + rm, it is more efficient to simply move a local directory
        shutil.move(fs._strip_protocol(_UpperCAmelCase					)		,      fs._strip_protocol(_UpperCAmelCase					)					)
    else:
        fs.mv(_UpperCAmelCase		,      _UpperCAmelCase		,      recursive=_UpperCAmelCase					)


def 			SCREAMING_SNAKE_CASE (			)     ->	None:
    if hasattr(fsspec.asyn		,      'reset_lock'					):
        # for future fsspec>2022.05.0
        fsspec.asyn.reset_lock()
    else:
        lowerCamelCase__       : Tuple   					=						None
        lowerCamelCase__       : Optional[Any]   					=						None
        lowerCamelCase__       : int   					=						threading.Lock()












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

import sentencepiece as spm

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


_UpperCAmelCase							:			List[str]        =							logging.get_logger(__name__)

_UpperCAmelCase							:			List[str]        =							{"""vocab_file""": """spiece.model"""}

_UpperCAmelCase							:			Tuple        =							{
    """vocab_file""": {
        """bert_for_seq_generation""": (
            """https://huggingface.co/google/bert_for_seq_generation_L-24_bbc_encoder/resolve/main/spiece.model"""
        ),
    }
}

_UpperCAmelCase							:			List[str]        =							{"""bert_for_seq_generation""": 5_12}

class   lowerCAmelCase				(   __UpperCamelCase     ):
 UpperCAmelCase__						=						VOCAB_FILES_NAMES
 UpperCAmelCase__						=						PRETRAINED_VOCAB_FILES_MAP
 UpperCAmelCase__						=						PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
 UpperCAmelCase__						=						[]
 UpperCAmelCase__						=						["""input_ids""", """attention_mask"""]
 def __init__( self    : Union[str, Any]     ,	UpperCAmelCase    : List[Any]     ,	UpperCAmelCase    : int="<s>"     ,	UpperCAmelCase    : Any="</s>"     ,	UpperCAmelCase    : List[Any]="<unk>"     ,	UpperCAmelCase    : Any="<pad>"     ,	UpperCAmelCase    : Dict="<::::>"     ,	UpperCAmelCase    : Optional[Dict[str, Any]] = None     ,	**UpperCAmelCase    : Any     ,	)     ->      None:
     lowerCamelCase__       : str   					=						{} if sp_model_kwargs is None else sp_model_kwargs

     # Add extra_ids to the special token list
     super().__init__(
         bos_token=UpperCAmelCase     ,	eos_token=UpperCAmelCase     ,	unk_token=UpperCAmelCase     ,	pad_token=UpperCAmelCase     ,	sep_token=UpperCAmelCase     ,	sp_model_kwargs=self.sp_model_kwargs     ,	**UpperCAmelCase     ,	)

     lowerCamelCase__       : List[str]   					=						vocab_file

     lowerCamelCase__       : List[str]   					=						spm.SentencePieceProcessor(**self.sp_model_kwargs      )
     self.sp_model.Load(UpperCAmelCase      )
 @property
 def 	A_      ( self    : List[str]      )     ->      Optional[int]:
     return self.sp_model.get_piece_size()
 def 	A_      ( self    : Tuple      )     ->      Any:
     lowerCamelCase__       : Tuple   					=						{self.convert_ids_to_tokens(UpperCAmelCase      ): i for i in range(self.vocab_size      )}
     vocab.update(self.added_tokens_encoder      )
     return vocab
 def __getstate__( self    : Union[str, Any]      )     ->      Optional[Any]:
     lowerCamelCase__       : List[str]   					=						self.__dict__.copy()
     lowerCamelCase__       : List[Any]   					=						None
     return state
 def __setstate__( self    : Dict     ,	UpperCAmelCase    : Optional[int]      )     ->      List[Any]:
     lowerCamelCase__       : Optional[int]   					=						d

     # for backward compatibility
     if not hasattr(self     ,	'sp_model_kwargs'      ):
         lowerCamelCase__       : Dict   					=						{}

     lowerCamelCase__       : Optional[int]   					=						spm.SentencePieceProcessor(**self.sp_model_kwargs      )
     self.sp_model.Load(self.vocab_file      )
 def 	A_      ( self    : Dict     ,	UpperCAmelCase    : str      )     ->      List[str]:
     return self.sp_model.encode(UpperCAmelCase     ,	out_type=UpperCAmelCase      )
 def 	A_      ( self    : str     ,	UpperCAmelCase    : Tuple      )     ->      Union[str, Any]:
     return self.sp_model.piece_to_id(UpperCAmelCase      )
 def 	A_      ( self    : Optional[Any]     ,	UpperCAmelCase    : Tuple      )     ->      Dict:
     lowerCamelCase__       : str   					=						self.sp_model.IdToPiece(UpperCAmelCase      )
     return token
 def 	A_      ( self    : Optional[Any]     ,	UpperCAmelCase    : int      )     ->      Union[str, Any]:
     lowerCamelCase__       : str   					=						[]
     lowerCamelCase__       : List[str]   					=						''
     for token in tokens:
         # make sure that special tokens are not decoded using sentencepiece model
         if token in self.all_special_tokens:
             out_string += self.sp_model.decode(UpperCAmelCase      ) + token
             lowerCamelCase__       : Tuple   					=						[]
         else:
             current_sub_tokens.append(UpperCAmelCase      )
     out_string += self.sp_model.decode(UpperCAmelCase      )
     return out_string.strip()







 def 	A_      ( self    : List[Any]     ,	UpperCAmelCase    : str     ,	UpperCAmelCase    : Optional[str] = None      )     ->      Tuple[str]:
     if not os.path.isdir(UpperCAmelCase      ):
         logger.error(F"""Vocabulary path ({save_directory}) should be a directory"""      )
         return
     lowerCamelCase__       : Any   					=						os.path.join(
         UpperCAmelCase     ,	(filename_prefix + '-' if filename_prefix else '') + VOCAB_FILES_NAMES['vocab_file']      )

     if os.path.abspath(self.vocab_file      ) != os.path.abspath(UpperCAmelCase      ) and os.path.isfile(self.vocab_file      ):
         copyfile(self.vocab_file     ,	UpperCAmelCase      )
     elif not os.path.isfile(self.vocab_file      ):
         with open(UpperCAmelCase     ,	'wb'      ) as fi:
             lowerCamelCase__       : int   					=						self.sp_model.serialized_model_proto()
             fi.write(UpperCAmelCase      )

     return (out_vocab_file,)





