


import logging
import os
import threading
import time


try:
						import warnings
except ImportError:
						snake_case							:       Optional[int]     			=      None

try:
						import msvcrt
except ImportError:
						snake_case							:       Dict     			=      None

try:
						import fcntl
except ImportError:
						snake_case							:       List[Any]     			=      None


# Backward compatibility
# ------------------------------------------------
try:
						TimeoutError
except NameError:
						snake_case							:       Optional[Any]     			=      OSError


# Data
# ------------------------------------------------
snake_case							:       int     			=      [
    '''Timeout''',
    '''BaseFileLock''',
    '''WindowsFileLock''',
    '''UnixFileLock''',
    '''SoftFileLock''',
    '''FileLock''',
]

snake_case							:       Any     			=      '''3.0.12'''


snake_case							:       List[Any]     			=      None






def 							__lowercase   ( ):
							global _logger
							a__             =     _logger or logging.getLogger(__name__   )
							return _logger







class        snake_case_   (lowerCamelCase_      ):
					def __init__(      self   :int			,__snake_case   :int      )					->    Union[str, Any]:
												a__             =     lock_file
												return None



					def __str__(      self   :List[Any]      )					->    str:
												a__             =     F'The file lock \'{self.lock_file}\' could not be acquired.'
												return temp







class        snake_case_   :
					def __init__(      self   :int			,__snake_case   :str      )					->    int:
												a__             =     lock
												return None
					def __enter__(      self   :List[str]      )					->    Optional[int]:
												return self.lock



					def __exit__(      self   :int			,__snake_case   :List[Any]			,__snake_case   :Tuple			,__snake_case   :Optional[int]      )					->    Union[str, Any]:
												self.lock.release()
												return None







class        snake_case_   :
					def __init__(      self   :Union[str, Any]			,__snake_case   :Optional[int]			,__snake_case   :Optional[Any]=-1			,__snake_case   :Optional[Any]=None      )					->    Tuple:
												a__             =     max_filename_length if max_filename_length is not None else 2_55
												# Hash the filename if it's too long
												a__             =     self.hash_filename_if_too_long(__snake_case			,__snake_case      )
												# The path to the lock file.
												a__             =     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.
												a__             =     None

												# The default timeout value.
												a__             =     timeout

												# We use this lock primarily for the lock counter.
												a__             =     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.
												a__             =     0
												return None
					@property
					def  lowerCamelCase__(      self   :Any      )					->    Tuple:
												return self._lock_file
					@property
					def  lowerCamelCase__(      self   :Dict      )					->    Union[str, Any]:
												return self._timeout
					@timeout.setter
					def  lowerCamelCase__(      self   :str			,__snake_case   :List[Any]      )					->    Tuple:
												a__             =     float(__snake_case      )
												return None
					def  lowerCamelCase__(      self   :Tuple      )					->    int:
												raise NotImplementedError()
					def  lowerCamelCase__(      self   :Dict      )					->    Union[str, Any]:
												raise NotImplementedError()
					@property
					def  lowerCamelCase__(      self   :Union[str, Any]      )					->    str:
												return self._lock_file_fd is not None
					def  lowerCamelCase__(      self   :List[Any]			,__snake_case   :Dict=None			,__snake_case   :Optional[Any]=0.05      )					->    Any:
												# Use the default timeout, if no timeout is provided.
												if timeout is None:
																			a__             =     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

												a__             =     id(self      )
												a__             =     self._lock_file
												a__             =     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(__snake_case      )
												except:  # noqa
																			# Something did go wrong, so decrement the counter.
																			with self._thread_lock:
																										a__             =     max(0			,self._lock_counter - 1      )

																			raise
												return _Acquire_ReturnProxy(lock=self      )
					def  lowerCamelCase__(      self   :List[Any]			,__snake_case   :Optional[int]=False      )					->    List[Any]:
												with self._thread_lock:
																			if self.is_locked:
																										self._lock_counter -= 1

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

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

												return None
					def __enter__(      self   :List[str]      )					->    Optional[Any]:
												self.acquire()
												return self
					def __exit__(      self   :Dict			,__snake_case   :int			,__snake_case   :Tuple			,__snake_case   :Optional[Any]      )					->    Any:
												self.release()
												return None
					def __del__(      self   :Union[str, Any]      )					->    Optional[Any]:
												self.release(force=__snake_case      )
												return None



					def  lowerCamelCase__(      self   :Dict			,__snake_case   :str			,__snake_case   :int      )					->    str:
												a__             =     os.path.basename(__snake_case      )
												if len(__snake_case      ) > max_length and max_length > 0:
																			a__             =     os.path.dirname(__snake_case      )
																			a__             =     str(hash(__snake_case      )      )
																			a__             =     filename[: max_length - len(__snake_case      ) - 8] + '...' + hashed_filename + '.lock'
																			return os.path.join(__snake_case			,__snake_case      )
												else:
																			return path







class        snake_case_   (lowerCamelCase_      ):
					def __init__(      self   :int			,__snake_case   :Dict			,__snake_case   :List[str]=-1			,__snake_case   :Optional[Any]=None      )					->    str:
												from .file_utils import relative_to_absolute_path

												super().__init__(__snake_case			,timeout=__snake_case			,max_filename_length=__snake_case      )
												a__             =     '\\\\?\\' + relative_to_absolute_path(self.lock_file      )
					def  lowerCamelCase__(      self   :Tuple      )					->    Dict:
												a__             =     os.O_RDWR | os.O_CREAT | os.O_TRUNC

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



					def  lowerCamelCase__(      self   :Optional[Any]      )					->    Any:
												a__             =     self._lock_file_fd
												a__             =     None
												msvcrt.locking(__snake_case			,msvcrt.LK_UNLCK			,1      )
												os.close(__snake_case      )

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







class        snake_case_   (lowerCamelCase_      ):
					def __init__(      self   :Optional[int]			,__snake_case   :Optional[int]			,__snake_case   :Union[str, Any]=-1			,__snake_case   :List[str]=None      )					->    str:
												a__             =     os.statvfs(os.path.dirname(__snake_case      )      ).f_namemax
												super().__init__(__snake_case			,timeout=__snake_case			,max_filename_length=__snake_case      )
					def  lowerCamelCase__(      self   :Any      )					->    str:
												a__             =     os.O_RDWR | os.O_CREAT | os.O_TRUNC
												a__             =     os.open(self._lock_file			,__snake_case      )

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



					def  lowerCamelCase__(      self   :Optional[int]      )					->    int:
												# 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
												a__             =     self._lock_file_fd
												a__             =     None
												fcntl.flock(__snake_case			,fcntl.LOCK_UN      )
												os.close(__snake_case      )
												return None







class        snake_case_   (lowerCamelCase_      ):
					def  lowerCamelCase__(      self   :Optional[int]      )					->    List[Any]:
												a__             =     os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
												try:
																			a__             =     os.open(self._lock_file			,__snake_case      )
												except OSError:
																			pass
												else:
																			a__             =     fd
												return None



					def  lowerCamelCase__(      self   :Optional[int]      )					->    Tuple:
												os.close(self._lock_file_fd      )
												a__             =     None

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





snake_case							:       Any     			=      None

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

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








def 							__lowercase   ( __lowerCAmelCase							:				str					,    __lowerCAmelCase							:				str   ):

							def get_matched_characters(__lowerCAmelCase							:				str					,    __lowerCAmelCase							:				str   ) -> str:
														a__             =     []
														a__             =     min(len(_stra   )					,    len(_stra   )   ) // 2
														for i, l in enumerate(_stra   ):
																					a__             =     int(max(0					,    i - limit   )   )
																					a__             =     int(min(i + limit + 1					,    len(_stra   )   )   )
																					if l in _stra[left:right]:
																												matched.append(__lowerCAmelCase   )
																												a__             =     F'{_stra[0:_stra.index(__lowerCAmelCase   )]} {_stra[_stra.index(__lowerCAmelCase   ) + 1:]}'

														return "".join(__lowerCAmelCase   )

							# matching characters
							a__             =     get_matched_characters(__lowerCAmelCase					,    __lowerCAmelCase   )
							a__             =     get_matched_characters(__lowerCAmelCase					,    __lowerCAmelCase   )
							a__             =     len(__lowerCAmelCase   )

							# transposition
							a__             =     (
							    len([(ca, ca) for ca, ca in zip(__lowerCAmelCase					,    __lowerCAmelCase   ) if ca != ca]   ) // 2
							)

							if not match_count:
														a__             =     0.0
							else:
														a__             =     (
														    1
														    / 3
														    * (
														        match_count / len(__lowerCAmelCase   )
														        + match_count / len(__lowerCAmelCase   )
														        + (match_count - transpositions) / match_count
														    )
														)

							# common prefix up to 4 characters
							a__             =     0
							for ca, ca in zip(stra[:4]					,    stra[:4]   ):
														if ca == ca:
																					prefix_len += 1
														else:
																					break

							return jaro + 0.1 * prefix_len * (1 - jaro)


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						print(jaro_winkler('''hello''', '''world'''))




