





import os
import time

import pytest

from datasets.utils.filelock import FileLock, Timeout




def     __UpperCamelCase						(_SCREAMING_SNAKE_CASE	)       ->     Dict:
  lowercase__			    =						FileLock(str(tmpdir / 'foo.lock'	)	)
  lowercase__			    =						FileLock(str(tmpdir / 'foo.lock'	)	)
  lowercase__			    =						0.0_1
  with locka.acquire():
    with pytest.raises(_SCREAMING_SNAKE_CASE	):
      lowercase__			    =						time.time()
      locka.acquire(_SCREAMING_SNAKE_CASE	)
      assert time.time() - _start > timeout




def     __UpperCamelCase						(_SCREAMING_SNAKE_CASE	)       ->     List[Any]:
  lowercase__			    =						'a' * 1000 + '.lock'
  lowercase__			    =						FileLock(str(tmpdir / filename	)	)
  assert locka._lock_file.endswith('.lock'	)
  assert not locka._lock_file.endswith(_SCREAMING_SNAKE_CASE	)
  assert len(os.path.basename(locka._lock_file	)	) <= 255
  lowercase__			    =						FileLock(tmpdir / filename	)
  with locka.acquire():
    with pytest.raises(_SCREAMING_SNAKE_CASE	):
      locka.acquire(0	)









def     __UpperCamelCase						(_SCREAMING_SNAKE_CASE	)       ->     bool:
  if not isinstance(_SCREAMING_SNAKE_CASE	,		_SCREAMING_SNAKE_CASE	):
    raise ValueError('Input series is not valid, valid series - [2, 4, 6]'	)
  if len(_SCREAMING_SNAKE_CASE	) == 0:
    raise ValueError('Input list must be a non empty list'	)
  if len(_SCREAMING_SNAKE_CASE	) == 1:
    return True
  lowercase__			    =						series[1] - series[0]
  for index in range(len(_SCREAMING_SNAKE_CASE	) - 1	):
    if series[index + 1] - series[index] != common_diff:
      return False
  return True




def     __UpperCamelCase						(_SCREAMING_SNAKE_CASE	)       ->     float:
  if not isinstance(_SCREAMING_SNAKE_CASE	,		_SCREAMING_SNAKE_CASE	):
    raise ValueError('Input series is not valid, valid series - [2, 4, 6]'	)
  if len(_SCREAMING_SNAKE_CASE	) == 0:
    raise ValueError('Input list must be a non empty list'	)
  lowercase__			    =						0
  for val in series:
    answer += val
  return answer / len(_SCREAMING_SNAKE_CASE	)


if __name__ == "__main__":
      import doctest

      doctest.testmod()


