





import os
from typing import Optional

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



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





      def __init__(			self	,							A_ = ""	,							A_ = None	,							A_ = None	,							**A_       ):
       '''simple docstring'''




       super().__init__(self	,							**A_       )
       # always open as "rb" since fsspec can then use the TextIOWrapper to make it work for "r" mode
       UpperCamelCase     : List[Any]	     =       fsspec.open(
           A_	,							mode="rb"	,							protocol=A_	,							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 {})	,							)
       UpperCamelCase     : Optional[int]	     =       os.path.basename(self.file.path.split("::"       )[0]       )
       UpperCamelCase     : Optional[Any]	     =       (
           self.compressed_name[: self.compressed_name.rindex("."       )]
           if "." in self.compressed_name
           else self.compressed_name
       )
       UpperCamelCase     : List[Any]	     =       None





      @classmethod
      def 	__UpperCamelCase(			cls	,							A_       ):
       '''simple docstring'''




       return super()._strip_protocol(A_       ).lstrip("/"       )





      def 	__UpperCamelCase(			self       ):
       '''simple docstring'''




       if self.dir_cache is None:
        UpperCamelCase     : Dict	     =       {**self.file.fs.info(self.file.path       ), "name": self.uncompressed_name}
        UpperCamelCase     : List[Any]	     =       {f["name"]: f}





      def 	__UpperCamelCase(			self	,							A_       ):
       '''simple docstring'''




       return self.file.open().read()





      def 	__UpperCamelCase(			self	,							A_	,							A_ = "rb"	,							A_=None	,							A_=True	,							A_=None	,							**A_	,							):
       '''simple docstring'''




       UpperCamelCase     : List[Any]	     =       self._strip_protocol(A_       )
       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  A__       (	__snake_case      ):
      _UpperCAmelCase     :List[str]						   =       'bz2'
      _UpperCAmelCase     :Dict						   =       'bz2'
      _UpperCAmelCase     :Union[str, Any]						   =       '.bz2'



class  A__       (	__snake_case      ):
      _UpperCAmelCase     :Any						   =       'gzip'
      _UpperCAmelCase     :List[Any]						   =       'gzip'
      _UpperCAmelCase     :Any						   =       '.gz'



class  A__       (	__snake_case      ):
      _UpperCAmelCase     :Optional[int]						   =       'lz4'
      _UpperCAmelCase     :Tuple						   =       'lz4'
      _UpperCAmelCase     :int						   =       '.lz4'



class  A__       (	__snake_case      ):
      _UpperCAmelCase     :int						   =       'xz'
      _UpperCAmelCase     :Union[str, Any]						   =       'xz'
      _UpperCAmelCase     :Tuple						   =       '.xz'



class  A__       (	__snake_case      ):
      _UpperCAmelCase     :Union[str, Any]						   =       'zstd'
      _UpperCAmelCase     :Optional[Any]						   =       'zstd'
      _UpperCAmelCase     :Union[str, Any]						   =       '.zst'





      def __init__(			self	,							A_	,							A_ = "rb"	,							A_ = None	,							A_ = None	,							A_ = DEFAULT_BLOCK_SIZE	,							**A_	,							):
       '''simple docstring'''




       super().__init__(
           fo=A_	,							mode=A_	,							target_protocol=A_	,							target_options=A_	,							block_size=A_	,							**A_	,							)
       # 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
       UpperCamelCase     : Any	     =       self.file.__enter__



       class  A__       :





             def __init__(			self	,							A_       ):
              '''simple docstring'''




              UpperCamelCase     : List[Any]	     =       file_





             def __enter__(			self       ):
              '''simple docstring'''




              self._file.__enter__()
              return self





             def __exit__(			self	,							*A_	,							**A_       ):
              '''simple docstring'''




              self._file.__exit__(*A_	,							**A_       )





             def __iter__(			self       ):
              '''simple docstring'''




              return iter(self._file       )





             def 	__UpperCamelCase(			self       ):
              '''simple docstring'''




              return next(self._file       )





             def __getattr__(			self	,							A_       ):
              '''simple docstring'''




              return getattr(self._file	,							A_       )

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

       UpperCamelCase     : str	     =       fixed_enter







class  A__       :  # Public class to implement a graph





      def __init__(			self	,							A_	,							A_	,							A_       ):
       '''simple docstring'''




       UpperCamelCase     : Optional[int]	     =       row
       UpperCamelCase     : Any	     =       col
       UpperCamelCase     : Optional[Any]	     =       graph





      def 	__UpperCamelCase(			self	,							A_	,							A_	,							A_       ):
       '''simple docstring'''




       return (
           0 <= i < self.ROW
           and 0 <= j < self.COL
           and not visited[i][j]
           and self.graph[i][j]
       )





      def 	__UpperCamelCase(			self	,							A_	,							A_	,							A_       ):
       '''simple docstring'''




       UpperCamelCase     : Any	     =       [-1, -1, -1, 0, 0, 1, 1, 1]  # Coordinate order
       UpperCamelCase     : Dict	     =       [-1, 0, 1, -1, 1, -1, 0, 1]
       UpperCamelCase     : Any	     =       True  # Make those cells visited
       for k in range(8       ):
        if self.is_safe(i + row_nbr[k]	,							j + col_nbr[k]	,							A_       ):
         self.diffs(i + row_nbr[k]	,							j + col_nbr[k]	,							A_       )





      def 	__UpperCamelCase(			self       ):  # And finally, count all islands.
       '''simple docstring'''




       UpperCamelCase     : str	     =       [[False for j in range(self.COL       )] for i in range(self.ROW       )]
       UpperCamelCase     : int	     =       0
       for i in range(self.ROW       ):
        for j in range(self.COL       ):
         if visited[i][j] is False and self.graph[i][j] == 1:
          self.diffs(A_	,							A_	,							A_       )
          count += 1
       return count
