


from __future__ import annotations




def  a   (lowerCAmelCase__		,				lowerCAmelCase__   ):
   __a					=  get_failure_array(lowerCAmelCase__   )

   # 2) Step through text searching for pattern
   __a	,    __a					=  0, 0  # index into text, pattern
   while i < len(lowerCAmelCase__   ):
      if pattern[j] == text[i]:
         if j == (len(lowerCAmelCase__   ) - 1):
            return True
         j += 1

      # if this is a prefix in our pattern
      # just go back far enough to continue
      elif j > 0:
         __a					=  failure[j - 1]
         continue
      i += 1
   return False




def  a   (lowerCAmelCase__   ):
   __a					=  [0]
   __a					=  0
   __a					=  1
   while j < len(lowerCAmelCase__   ):
      if pattern[i] == pattern[j]:
         i += 1
      elif i > 0:
         __a					=  failure[i - 1]
         continue
      j += 1
      failure.append(lowerCAmelCase__   )
   return failure


if __name__ == "__main__":
  # Test 1)
  SCREAMING_SNAKE_CASE							    =							'abc1abc12'
  SCREAMING_SNAKE_CASE							    =							'alskfjaldsabc1abc1abc12k23adsfabcabc'
  SCREAMING_SNAKE_CASE							    =							'alskfjaldsk23adsfabcabc'
  assert kmp(pattern, texta) and not kmp(pattern, texta)

  # Test 2)
  SCREAMING_SNAKE_CASE							    =							'ABABX'
  SCREAMING_SNAKE_CASE							    =							'ABABZABABYABABX'
  assert kmp(pattern, text)

  # Test 3)
  SCREAMING_SNAKE_CASE							    =							'AAAB'
  SCREAMING_SNAKE_CASE							    =							'ABAAAAAB'
  assert kmp(pattern, text)

  # Test 4)
  SCREAMING_SNAKE_CASE							    =							'abcdabcy'
  SCREAMING_SNAKE_CASE							    =							'abcxabcdabxabcdabcdabcy'
  assert kmp(pattern, text)

  # Test 5)
  SCREAMING_SNAKE_CASE							    =							'aabaabaaa'
  assert get_failure_array(pattern) == [0, 1, 0, 1, 2, 3, 4, 5, 2]







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

import fsspec
import fsspec.asyn

from . import compression
from .hffilesystem import HfFileSystem


SCREAMING_SNAKE_CASE							    =							importlib.util.find_spec('s3fs') is not None

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

SCREAMING_SNAKE_CASE							    =							[
    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__   ):
   if "://" in dataset_path:
      __a					=  dataset_path.split("""://"""   )[1]
   return dataset_path




def  a   (lowerCAmelCase__   ):
   if fs is not None and fs.protocol != "file":
      return True
   else:
      return False




def  a   (lowerCAmelCase__		,				lowerCAmelCase__		,				lowerCAmelCase__   ):
   __a					=  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:
      __a					=  None
      __a					=  None
      __a					=  threading.Lock()



