'''simple docstring'''





import os
from typing import Optional

import fsspec
from fsspec.archive import AbstractArchiveFileSystem
from fsspec.utils import DEFAULT_BLOCK_SIZE





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     Union[str, Any]		=""""""
     _SCREAMING_SNAKE_CASE     :     str		=(
         None  # protocol passed in prefix to the url. ex: "gzip", for gzip://file.txt::http://foo.bar/file.txt.gz
     )
     _SCREAMING_SNAKE_CASE     :     Optional[int]		=None  # compression type in fsspec. ex: "gzip"
     _SCREAMING_SNAKE_CASE     :     Optional[int]		=None  # extension of the filename to strip. ex: "".gz" to get file.txt from file.txt.gz



     def __init__(					self				,      lowerCAmelCase__ = ""				,      lowerCAmelCase__ = None				,      lowerCAmelCase__ = None				,      **lowerCAmelCase__       ):
            super().__init__(self				,      **lowerCAmelCase__       )
            # always open as "rb" since fsspec can then use the TextIOWrapper to make it work for "r" mode
            _A=	fsspec.open(
                lowerCAmelCase__				,      mode='rb'				,      protocol=lowerCAmelCase__				,      compression=self.compression				,      client_kwargs={
                    'requote_redirect_url': False,  # see https://github.com/huggingface/datasets/pull/5459
                    'trust_env': True,  # Enable reading proxy env variables.
                    **(target_options or {}).pop('client_kwargs'				,      {}       ),  # To avoid issues if it was already passed.
                }				,      **(target_options or {})				,      )
            _A=	os.path.basename(self.file.path.split('::'       )[0]       )
            _A=	(
                self.compressed_name[: self.compressed_name.rindex('.'       )]
                if "." in self.compressed_name
                else self.compressed_name
            )
            _A=	None



     @classmethod
     def 			a__  (					cls				,      lowerCAmelCase__       ):
            # compressed file paths are always relative to the archive root
            return super()._strip_protocol(lowerCAmelCase__       ).lstrip('/'       )



     def 			a__  (					self       ):
            if self.dir_cache is None:
                   _A=	{**self.file.fs.info(self.file.path       ), "name": self.uncompressed_name}
                   _A=	{f["name"]: f}



     def 			a__  (					self				,      lowerCAmelCase__       ):
            return self.file.open().read()





     def 			a__  (					self				,      lowerCAmelCase__				,      lowerCAmelCase__ = "rb"				,      lowerCAmelCase__=None				,      lowerCAmelCase__=True				,      lowerCAmelCase__=None				,      **lowerCAmelCase__				,      ):
            _A=	self._strip_protocol(lowerCAmelCase__       )
            if mode != "rb":
                   raise ValueError(f"Tried to read with mode {mode} on file {self.file.path} opened with mode \'rb\'"       )
            return self.file.open()





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     Optional[Any]		="""bz2"""
     _SCREAMING_SNAKE_CASE     :     Union[str, Any]		="""bz2"""
     _SCREAMING_SNAKE_CASE     :     int		=""".bz2"""





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     Any		="""gzip"""
     _SCREAMING_SNAKE_CASE     :     Union[str, Any]		="""gzip"""
     _SCREAMING_SNAKE_CASE     :     int		=""".gz"""





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     int		="""lz4"""
     _SCREAMING_SNAKE_CASE     :     Any		="""lz4"""
     _SCREAMING_SNAKE_CASE     :     str		=""".lz4"""





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     Union[str, Any]		="""xz"""
     _SCREAMING_SNAKE_CASE     :     str		="""xz"""
     _SCREAMING_SNAKE_CASE     :     int		=""".xz"""





class      lowerCAmelCase						(					_A			):
     _SCREAMING_SNAKE_CASE     :     List[str]		="""zstd"""
     _SCREAMING_SNAKE_CASE     :     Optional[Any]		="""zstd"""
     _SCREAMING_SNAKE_CASE     :     Optional[int]		=""".zst"""



     def __init__(					self				,      lowerCAmelCase__				,      lowerCAmelCase__ = "rb"				,      lowerCAmelCase__ = None				,      lowerCAmelCase__ = None				,      lowerCAmelCase__ = DEFAULT_BLOCK_SIZE				,      **lowerCAmelCase__				,      ):
            super().__init__(
                fo=lowerCAmelCase__				,      mode=lowerCAmelCase__				,      target_protocol=lowerCAmelCase__				,      target_options=lowerCAmelCase__				,      block_size=lowerCAmelCase__				,      **lowerCAmelCase__				,      )
            # We need to wrap the zstd decompressor to avoid this error in fsspec==2021.7.0 and zstandard==0.15.2:
            #
            # File "/Users/user/.virtualenvs/hf-datasets/lib/python3.7/site-packages/fsspec/core.py", line 145, in open
            #     out.close = close
            # AttributeError: 'zstd.ZstdDecompressionReader' object attribute 'close' is read-only
            #
            # see https://github.com/intake/filesystem_spec/issues/725
            _A=	self.file.__enter__





            class      lowerCAmelCase						:



                 def __init__(					self				,      lowerCAmelCase__       ):
                        _A=	file_



                 def __enter__(					self       ):
                        self._file.__enter__()
                        return self



                 def __exit__(					self				,      *lowerCAmelCase__				,      **lowerCAmelCase__       ):
                        self._file.__exit__(*lowerCAmelCase__				,      **lowerCAmelCase__       )



                 def __iter__(					self       ):
                        return iter(self._file       )



                 def 			a__  (					self       ):
                        return next(self._file       )





                 def __getattr__(					self				,      lowerCAmelCase__       ):
                        return getattr(self._file				,      lowerCAmelCase__       )

            def fixed_enter(*lowerCAmelCase__				,      **lowerCAmelCase__       ):
                   return WrappedFile(_enter(*lowerCAmelCase__				,      **lowerCAmelCase__       )       )

            _A=	fixed_enter
from ..utils import DummyObject, requires_backends





class      lowerCAmelCase						(					metaclass=_a			):
     _SCREAMING_SNAKE_CASE     :     Optional[int]		=["""transformers""", """torch""", """note_seq"""]



     def __init__(					self				,      *lowerCAmelCase__				,      **lowerCAmelCase__       ):
            requires_backends(self				,      ['transformers', 'torch', 'note_seq']       )



     @classmethod
     def 			a__  (					cls				,      *lowerCAmelCase__				,      **lowerCAmelCase__       ):
            requires_backends(cls				,      ['transformers', 'torch', 'note_seq']       )





     @classmethod
     def 			a__  (					cls				,      *lowerCAmelCase__				,      **lowerCAmelCase__       ):
            requires_backends(cls				,      ['transformers', 'torch', 'note_seq']       )