

'''simple docstring'''

def       UpperCamelCase(     UpperCAmelCase_	):

 # bit count represents no. of bits in the gray code
 if bit_count < 0:
  raise ValueError('The given input must be positive'	)

 # get the generated string sequence
 UpperCAmelCase       :	Optional[Any]											= gray_code_sequence_string(lowerCAmelCase_	)
 #
 # convert them to integers
 for i in range(len(lowerCAmelCase_	)	):
  UpperCAmelCase       :	Optional[Any]											= int(sequence[i]  ,       2	)

 return sequence




def       UpperCamelCase(     UpperCAmelCase_	):

 # The approach is a recursive one
 # Base case achieved when either n = 0 or n=1
 if bit_count == 0:
  return ["0"]

 if bit_count == 1:
  return ["0", "1"]

 UpperCAmelCase       :	Optional[int]											= 1 << bit_count  # defines the length of the sequence
 # 1<< n is equivalent to 2^n

 # recursive answer will generate answer for n-1 bits
 UpperCAmelCase       :	str											= gray_code_sequence_string(bit_count - 1	)

 UpperCAmelCase       :	List[Any]											= []

 # append 0 to first half of the smaller sequence generated
 for i in range(seq_len // 2	):
  UpperCAmelCase       :	Union[str, Any]											= '0' + smaller_sequence[i]
  sequence.append(lowerCAmelCase_	)

 # append 1 to second half ... start from the end of the list
 for i in reversed(range(seq_len // 2	)	):
  UpperCAmelCase       :	List[str]											= '1' + smaller_sequence[i]
  sequence.append(lowerCAmelCase_	)

 return sequence


if __name__ == "__main__":
 import doctest

 doctest.testmod()











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

import fsspec
import fsspec.asyn

from . import compression
from .hffilesystem import HfFileSystem


_snake_case  :    Tuple						    =  importlib.util.find_spec('s3fs') is not None

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

_snake_case  :    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_    ( lowerCAmelCase_      :			str	):
   if "://" in dataset_path:
      __lowerCAmelCase								=	dataset_path.split('://'	)[1]
   return dataset_path

def   a_    ( lowerCAmelCase_      :			fsspec.AbstractFileSystem	):
   if fs is not None and fs.protocol != "file":
      return True
   else:
      return False

def   a_    ( lowerCAmelCase_      :			fsspec.AbstractFileSystem,	lowerCAmelCase_      :			str,	lowerCAmelCase_      :			str	):
   __lowerCAmelCase								=	not is_remote_filesystem(lowerCAmelCase_	)
   if is_local:
      # LocalFileSystem.mv does copy + rm, it is more efficient to simply move a local directory
      shutil.move(fs._strip_protocol(lowerCAmelCase_	),	fs._strip_protocol(lowerCAmelCase_	)	)
   else:
      fs.mv(lowerCAmelCase_,	lowerCAmelCase_,	recursive=lowerCAmelCase_	)




def   a_    ( ):
   if hasattr(fsspec.asyn,	'reset_lock'	):
      # for future fsspec>2022.05.0
      fsspec.asyn.reset_lock()
   else:
      __lowerCAmelCase								=	None
      __lowerCAmelCase								=	None
      __lowerCAmelCase								=	threading.Lock()

