


import logging
import os
import threading
import time


try:
   import warnings
except ImportError:
   SCREAMING_SNAKE_CASE		:List[str]     						=   None

try:
   import msvcrt
except ImportError:
   SCREAMING_SNAKE_CASE		:List[Any]     						=   None

try:
   import fcntl
except ImportError:
   SCREAMING_SNAKE_CASE		:str     						=   None


# Backward compatibility
# ------------------------------------------------
try:
   TimeoutError
except NameError:
   SCREAMING_SNAKE_CASE		:int     						=   OSError


# Data
# ------------------------------------------------
SCREAMING_SNAKE_CASE		:List[Any]     						=   [
    'Timeout',
    'BaseFileLock',
    'WindowsFileLock',
    'UnixFileLock',
    'SoftFileLock',
    'FileLock',
]

SCREAMING_SNAKE_CASE		:Dict     						=   '3.0.12'


SCREAMING_SNAKE_CASE		:Dict     						=   None



def 	_lowerCAmelCase  (							)->List[str]:
   '''simple docstring'''






   global _logger
   snake_case_    			=    _logger or logging.getLogger(__name__							)
   return _logger


class 			__lowerCAmelCase   (       A__    ):






  """simple docstring"""





  def __init__(   self				:				str			, _lowerCAmelCase				:				int     )      ->       Optional[int]:




     """simple docstring"""
     snake_case_    			=    lock_file
     return None



  def __str__(   self				:				Dict     )      ->       Union[str, Any]:




     """simple docstring"""
     snake_case_    			=    F'''The file lock \'{self.lock_file}\' could not be acquired.'''
     return temp






class 			__lowerCAmelCase   :






  """simple docstring"""





  def __init__(   self				:				List[Any]			, _lowerCAmelCase				:				List[Any]     )      ->       Optional[Any]:




     """simple docstring"""
     snake_case_    			=    lock
     return None



  def __enter__(   self				:				List[str]     )      ->       int:




     """simple docstring"""
     return self.lock



  def __exit__(   self				:				Union[str, Any]			, _lowerCAmelCase				:				Optional[int]			, _lowerCAmelCase				:				List[str]			, _lowerCAmelCase				:				Union[str, Any]     )      ->       str:




     """simple docstring"""
     self.lock.release()
     return None






class 			__lowerCAmelCase   :






  """simple docstring"""





  def __init__(   self				:				int			, _lowerCAmelCase				:				int			, _lowerCAmelCase				:				Any=-1			, _lowerCAmelCase				:				List[Any]=None     )      ->       Dict:




     """simple docstring"""
     snake_case_    			=    max_filename_length if max_filename_length is not None else 2_5_5
     # Hash the filename if it's too long
     snake_case_    			=    self.hash_filename_if_too_long(lowerCAmelCase__			, lowerCAmelCase__     )
     # The path to the lock file.
     snake_case_    			=    lock_file

     # The file descriptor for the *_lock_file* as it is returned by the
     # os.open() function.
     # This file lock is only NOT None, if the object currently holds the
     # lock.
     snake_case_    			=    None

     # The default timeout value.
     snake_case_    			=    timeout

     # We use this lock primarily for the lock counter.
     snake_case_    			=    threading.Lock()

     # The lock counter is used for implementing the nested locking
     # mechanism. Whenever the lock is acquired, the counter is increased and
     # the lock is only released, when this value is 0 again.
     snake_case_    			=    0
     return None



  @property
  def     lowerCAmelCase__     (   self				:				Union[str, Any]     )      ->       Dict:




     """simple docstring"""
     return self._lock_file



  @property
  def     lowerCAmelCase__     (   self				:				Union[str, Any]     )      ->       int:




     """simple docstring"""
     return self._timeout



  @timeout.setter
  def     lowerCAmelCase__     (   self				:				Any			, _lowerCAmelCase				:				str     )      ->       Any:




     """simple docstring"""
     snake_case_    			=    float(lowerCAmelCase__     )
     return None



  def     lowerCAmelCase__     (   self				:				List[Any]     )      ->       List[str]:




     """simple docstring"""
     raise NotImplementedError()



  def     lowerCAmelCase__     (   self				:				int     )      ->       int:




     """simple docstring"""
     raise NotImplementedError()



  @property
  def     lowerCAmelCase__     (   self				:				List[Any]     )      ->       Union[str, Any]:




     """simple docstring"""
     return self._lock_file_fd is not None



  def     lowerCAmelCase__     (   self				:				str			, _lowerCAmelCase				:				Optional[Any]=None			, _lowerCAmelCase				:				int=0.05     )      ->       int:




     """simple docstring"""
     # Use the default timeout, if no timeout is provided.
     if timeout is None:
        snake_case_    			=    self.timeout

     # Increment the number right at the beginning.
     # We can still undo it, if something fails.
     with self._thread_lock:
        self._lock_counter += 1

     snake_case_    			=    id(self     )
     snake_case_    			=    self._lock_file
     snake_case_    			=    time.time()
     try:
        while True:
           with self._thread_lock:
              if not self.is_locked:
                 logger().debug(F'''Attempting to acquire lock {lock_id} on {lock_filename}'''     )
                 self._acquire()

           if self.is_locked:
              logger().debug(F'''Lock {lock_id} acquired on {lock_filename}'''     )
              break
           elif timeout >= 0 and time.time() - start_time > timeout:
              logger().debug(F'''Timeout on acquiring lock {lock_id} on {lock_filename}'''     )
              raise Timeout(self._lock_file     )
           else:
              logger().debug(
                  F'''Lock {lock_id} not acquired on {lock_filename}, waiting {poll_intervall} seconds ...'''     )
              time.sleep(lowerCAmelCase__     )
     except:  # noqa
        # Something did go wrong, so decrement the counter.
        with self._thread_lock:
           snake_case_    			=    max(0			, self._lock_counter - 1     )

        raise
     return _Acquire_ReturnProxy(lock=self     )



  def     lowerCAmelCase__     (   self				:				Dict			, _lowerCAmelCase				:				Any=False     )      ->       Tuple:




     """simple docstring"""
     with self._thread_lock:
        if self.is_locked:
           self._lock_counter -= 1

           if self._lock_counter == 0 or force:
              snake_case_    			=    id(self     )
              snake_case_    			=    self._lock_file

              logger().debug(F'''Attempting to release lock {lock_id} on {lock_filename}'''     )
              self._release()
              snake_case_    			=    0
              logger().debug(F'''Lock {lock_id} released on {lock_filename}'''     )

     return None



  def __enter__(   self				:				Tuple     )      ->       List[Any]:




     """simple docstring"""
     self.acquire()
     return self



  def __exit__(   self				:				Tuple			, _lowerCAmelCase				:				str			, _lowerCAmelCase				:				List[str]			, _lowerCAmelCase				:				Optional[Any]     )      ->       int:




     """simple docstring"""
     self.release()
     return None



  def __del__(   self				:				Union[str, Any]     )      ->       Any:




     """simple docstring"""
     self.release(force=lowerCAmelCase__     )
     return None



  def     lowerCAmelCase__     (   self				:				int			, _lowerCAmelCase				:				str			, _lowerCAmelCase				:				int     )      ->       str:




     """simple docstring"""
     snake_case_    			=    os.path.basename(lowerCAmelCase__     )
     if len(lowerCAmelCase__     ) > max_length and max_length > 0:
        snake_case_    			=    os.path.dirname(lowerCAmelCase__     )
        snake_case_    			=    str(hash(lowerCAmelCase__     )     )
        snake_case_    			=    filename[: max_length - len(lowerCAmelCase__     ) - 8] + '''...''' + hashed_filename + '''.lock'''
        return os.path.join(lowerCAmelCase__			, lowerCAmelCase__     )
     else:
        return path






class 			__lowerCAmelCase   (       A__    ):






  """simple docstring"""





  def __init__(   self				:				Tuple			, _lowerCAmelCase				:				Union[str, Any]			, _lowerCAmelCase				:				Union[str, Any]=-1			, _lowerCAmelCase				:				Optional[int]=None     )      ->       List[Any]:




     """simple docstring"""
     from .file_utils import relative_to_absolute_path

     super().__init__(lowerCAmelCase__			, timeout=lowerCAmelCase__			, max_filename_length=lowerCAmelCase__     )
     snake_case_    			=    '''\\\\?\\''' + relative_to_absolute_path(self.lock_file     )



  def     lowerCAmelCase__     (   self				:				Tuple     )      ->       Optional[Any]:




     """simple docstring"""
     snake_case_    			=    os.O_RDWR | os.O_CREAT | os.O_TRUNC

     try:
        snake_case_    			=    os.open(self._lock_file			, lowerCAmelCase__     )
     except OSError:
        pass
     else:
        try:
           msvcrt.locking(lowerCAmelCase__			, msvcrt.LK_NBLCK			, 1     )
        except OSError:
           os.close(lowerCAmelCase__     )
        else:
           snake_case_    			=    fd
     return None



  def     lowerCAmelCase__     (   self				:				Tuple     )      ->       Optional[int]:




     """simple docstring"""
     snake_case_    			=    self._lock_file_fd
     snake_case_    			=    None
     msvcrt.locking(lowerCAmelCase__			, msvcrt.LK_UNLCK			, 1     )
     os.close(lowerCAmelCase__     )

     try:
        os.remove(self._lock_file     )
     # Probably another instance of the application
     # that acquired the file lock.
     except OSError:
        pass
     return None






class 			__lowerCAmelCase   (       A__    ):






  """simple docstring"""





  def __init__(   self				:				int			, _lowerCAmelCase				:				Optional[int]			, _lowerCAmelCase				:				List[str]=-1			, _lowerCAmelCase				:				Optional[Any]=None     )      ->       Any:




     """simple docstring"""
     snake_case_    			=    os.statvfs(os.path.dirname(lowerCAmelCase__     )     ).f_namemax
     super().__init__(lowerCAmelCase__			, timeout=lowerCAmelCase__			, max_filename_length=lowerCAmelCase__     )



  def     lowerCAmelCase__     (   self				:				Optional[int]     )      ->       Optional[Any]:




     """simple docstring"""
     snake_case_    			=    os.O_RDWR | os.O_CREAT | os.O_TRUNC
     snake_case_    			=    os.open(self._lock_file			, lowerCAmelCase__     )

     try:
        fcntl.flock(lowerCAmelCase__			, fcntl.LOCK_EX | fcntl.LOCK_NB     )
     except OSError:
        os.close(lowerCAmelCase__     )
     else:
        snake_case_    			=    fd
     return None



  def     lowerCAmelCase__     (   self				:				Tuple     )      ->       Optional[int]:




     """simple docstring"""
     # Do not remove the lockfile:
     #
     #   https://github.com/benediktschmitt/py-filelock/issues/31
     #   https://stackoverflow.com/questions/17708885/flock-removing-locked-file-without-race-condition
     snake_case_    			=    self._lock_file_fd
     snake_case_    			=    None
     fcntl.flock(lowerCAmelCase__			, fcntl.LOCK_UN     )
     os.close(lowerCAmelCase__     )
     return None






class 			__lowerCAmelCase   (       A__    ):






  """simple docstring"""





  def     lowerCAmelCase__     (   self				:				Tuple     )      ->       int:




     """simple docstring"""
     snake_case_    			=    os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
     try:
        snake_case_    			=    os.open(self._lock_file			, lowerCAmelCase__     )
     except OSError:
        pass
     else:
        snake_case_    			=    fd
     return None



  def     lowerCAmelCase__     (   self				:				List[Any]     )      ->       Optional[int]:




     """simple docstring"""
     os.close(self._lock_file_fd     )
     snake_case_    			=    None

     try:
        os.remove(self._lock_file     )
     # The file is already deleted and that's what we want.
     except OSError:
        pass
     return None






SCREAMING_SNAKE_CASE		:Optional[int]     						=   None

if msvcrt:
   SCREAMING_SNAKE_CASE		:str     						=   WindowsFileLock
elif fcntl:
   SCREAMING_SNAKE_CASE		:Union[str, Any]     						=   UnixFileLock
else:
   SCREAMING_SNAKE_CASE		:Union[str, Any]     						=   SoftFileLock

   if warnings is not None:
      warnings.warn('''only soft file lock is available''')








def        _UpperCamelCase							(      lowercase__    ,       lowercase__    ,       lowercase__=False      ):

						if isinstance(lowercase__    ,       lowercase__      ) and isinstance(lowercase__    ,       lowercase__      ):
												__SCREAMING_SNAKE_CASE						:     List[str]					=		len(set_a.intersection(lowercase__      )      )

												if alternative_union:
																		__SCREAMING_SNAKE_CASE						:     int					=		len(lowercase__      ) + len(lowercase__      )
												else:
																		__SCREAMING_SNAKE_CASE						:     int					=		len(set_a.union(lowercase__      )      )

												return intersection / union

						if isinstance(lowercase__    ,       (list, tuple)      ) and isinstance(lowercase__    ,       (list, tuple)      ):
												__SCREAMING_SNAKE_CASE						:     Dict					=		[element for element in set_a if element in set_b]

												if alternative_union:
																		__SCREAMING_SNAKE_CASE						:     Optional[int]					=		len(lowercase__      ) + len(lowercase__      )
																		return len(lowercase__      ) / union
												else:
																		__SCREAMING_SNAKE_CASE						:     Tuple					=		set_a + [element for element in set_b if element not in set_a]
																		return len(lowercase__      ) / len(lowercase__      )

												return len(lowercase__      ) / len(lowercase__      )
						return None


if __name__ == "__main__":
						__lowerCAmelCase	: List[Any]  				={'a', 'b', 'c', 'd', 'e'}
						__lowerCAmelCase	: Optional[Any]  				={'c', 'd', 'e', 'f', 'h', 'i'}
						print(jaccard_similarity(set_a, set_b))
