




'''simple docstring'''





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_						:      Optional[Any]       =						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      __a     (       _UpperCamelCase:   str   )						->			str:

     """simple docstring"""




     if "://" in dataset_path:
          _snake_case							=				dataset_path.split("://"   )[1]
     return dataset_path





def      __a     (       _UpperCamelCase:   fsspec.AbstractFileSystem   )						->			bool:

     """simple docstring"""




     if fs is not None and fs.protocol != "file":
          return True
     else:
          return False





def      __a     (       _UpperCamelCase:   fsspec.AbstractFileSystem ,						_UpperCamelCase:   str ,						_UpperCamelCase:   str   )						->			Tuple:

     """simple docstring"""




     _snake_case							=				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      __a     (       )						->			None:

     """simple docstring"""




     if hasattr(fsspec.asyn ,						"reset_lock"   ):
          # for future fsspec>2022.05.0
          fsspec.asyn.reset_lock()
     else:
          _snake_case							=				None
          _snake_case							=				None
          _snake_case							=				threading.Lock()








'''simple docstring'''





from __future__ import annotations

from typing import Any





def      __a     (       _UpperCamelCase:   list[Any]   )						->			None:

     """simple docstring"""




     create_state_space_tree(_UpperCamelCase ,						[] ,						0   )





def      __a     (       _UpperCamelCase:   list[Any] ,						_UpperCamelCase:   list[Any] ,						_UpperCamelCase:   int   )						->			None:

     """simple docstring"""




     if index == len(_UpperCamelCase   ):
          print(_UpperCamelCase   )
          return

     create_state_space_tree(_UpperCamelCase ,						_UpperCamelCase ,						index + 1   )
     current_subsequence.append(sequence[index]   )
     create_state_space_tree(_UpperCamelCase ,						_UpperCamelCase ,						index + 1   )
     current_subsequence.pop()


if __name__ == "__main__":
   UpperCamelCase_						:      list[Any]       =						[3, 1, 2, 4]
   generate_all_subsequences(seq)

   seq.clear()
   seq.extend(['''A''', '''B''', '''C'''])
   generate_all_subsequences(seq)


