






"""simple docstring"""





import logging
import os
import threading
import time


try:
  import warnings
except ImportError:
  _SCREAMING_SNAKE_CASE					:				Tuple					    =						None

try:
  import msvcrt
except ImportError:
  _SCREAMING_SNAKE_CASE					:				List[str]					    =						None

try:
  import fcntl
except ImportError:
  _SCREAMING_SNAKE_CASE					:				Any					    =						None


# Backward compatibility
# ------------------------------------------------
try:
  TimeoutError
except NameError:
  _SCREAMING_SNAKE_CASE					:				Optional[int]					    =						OSError


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

_SCREAMING_SNAKE_CASE					:				Optional[int]					    =						'''3.0.12'''


_SCREAMING_SNAKE_CASE					:				Dict					    =						None







def      lowerCamelCase__       (							)      ->				Optional[int]:
  global _logger
  lowerCamelCase_         =						_logger or logging.getLogger(__name__ )
  return _logger






class      a						(					__snake_case		):






    def __init__(       self     :							int       ,						__SCREAMING_SNAKE_CASE     :							Optional[Any]					)     ->		Optional[int]:
      lowerCamelCase_         =						lock_file
      return None






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






class      a						:






    def __init__(       self     :							int       ,						__SCREAMING_SNAKE_CASE     :							Tuple					)     ->		Any:
      lowerCamelCase_         =						lock
      return None






    def __enter__(       self     :							Any					)     ->		str:
      return self.lock






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






class      a						:






    def __init__(       self     :							Dict       ,						__SCREAMING_SNAKE_CASE     :							List[str]       ,						__SCREAMING_SNAKE_CASE     :							Dict=-1       ,						__SCREAMING_SNAKE_CASE     :							Union[str, Any]=None					)     ->		int:
      lowerCamelCase_         =						max_filename_length if max_filename_length is not None else 255
      # Hash the filename if it's too long
      lowerCamelCase_         =						self.hash_filename_if_too_long(__SCREAMING_SNAKE_CASE       ,						__SCREAMING_SNAKE_CASE					)
      # The path to the lock file.
      lowerCamelCase_         =						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.
      lowerCamelCase_         =						None

      # The default timeout value.
      lowerCamelCase_         =						timeout

      # We use this lock primarily for the lock counter.
      lowerCamelCase_         =						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.
      lowerCamelCase_         =						0
      return None






    @property
    def    UpperCamelCase       (       self     :							Union[str, Any]					)     ->		Dict:
      return self._lock_file






    @property
    def    UpperCamelCase       (       self     :							Any					)     ->		Dict:
      return self._timeout






    @timeout.setter
    def    UpperCamelCase       (       self     :							Tuple       ,						__SCREAMING_SNAKE_CASE     :							str					)     ->		List[str]:
      lowerCamelCase_         =						float(__SCREAMING_SNAKE_CASE					)
      return None






    def    UpperCamelCase       (       self     :							List[Any]					)     ->		Optional[Any]:
      raise NotImplementedError()






    def    UpperCamelCase       (       self     :							Any					)     ->		str:
      raise NotImplementedError()






    @property
    def    UpperCamelCase       (       self     :							str					)     ->		Union[str, Any]:
      return self._lock_file_fd is not None






    def    UpperCamelCase       (       self     :							int       ,						__SCREAMING_SNAKE_CASE     :							Union[str, Any]=None       ,						__SCREAMING_SNAKE_CASE     :							List[Any]=0.05					)     ->		List[Any]:
      # Use the default timeout, if no timeout is provided.
      if timeout is None:
        lowerCamelCase_         =						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

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

        raise
      return _Acquire_ReturnProxy(lock=self					)






    def    UpperCamelCase       (       self     :							str       ,						__SCREAMING_SNAKE_CASE     :							Union[str, Any]=False					)     ->		Optional[Any]:
      with self._thread_lock:
        if self.is_locked:
          self._lock_counter -= 1

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

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

      return None






    def __enter__(       self     :							int					)     ->		Optional[Any]:
      self.acquire()
      return self






    def __exit__(       self     :							List[Any]       ,						__SCREAMING_SNAKE_CASE     :							Optional[Any]       ,						__SCREAMING_SNAKE_CASE     :							Dict       ,						__SCREAMING_SNAKE_CASE     :							List[Any]					)     ->		Optional[int]:
      self.release()
      return None






    def __del__(       self     :							Tuple					)     ->		List[str]:
      self.release(force=__SCREAMING_SNAKE_CASE					)
      return None






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






class      a						(					__snake_case		):






    def __init__(       self     :							Union[str, Any]       ,						__SCREAMING_SNAKE_CASE     :							str       ,						__SCREAMING_SNAKE_CASE     :							List[str]=-1       ,						__SCREAMING_SNAKE_CASE     :							Tuple=None					)     ->		List[str]:
      from .file_utils import relative_to_absolute_path

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






    def    UpperCamelCase       (       self     :							List[str]					)     ->		Any:
      lowerCamelCase_         =						os.O_RDWR | os.O_CREAT | os.O_TRUNC

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






    def    UpperCamelCase       (       self     :							Optional[Any]					)     ->		List[str]:
      lowerCamelCase_         =						self._lock_file_fd
      lowerCamelCase_         =						None
      msvcrt.locking(__SCREAMING_SNAKE_CASE       ,						msvcrt.LK_UNLCK       ,						1					)
      os.close(__SCREAMING_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      a						(					__snake_case		):






    def __init__(       self     :							Tuple       ,						__SCREAMING_SNAKE_CASE     :							int       ,						__SCREAMING_SNAKE_CASE     :							Dict=-1       ,						__SCREAMING_SNAKE_CASE     :							Union[str, Any]=None					)     ->		List[Any]:
      lowerCamelCase_         =						os.statvfs(os.path.dirname(__SCREAMING_SNAKE_CASE					)					).f_namemax
      super().__init__(__SCREAMING_SNAKE_CASE       ,						timeout=__SCREAMING_SNAKE_CASE       ,						max_filename_length=__SCREAMING_SNAKE_CASE					)






    def    UpperCamelCase       (       self     :							Union[str, Any]					)     ->		List[str]:
      lowerCamelCase_         =						os.O_RDWR | os.O_CREAT | os.O_TRUNC
      lowerCamelCase_         =						os.open(self._lock_file       ,						__SCREAMING_SNAKE_CASE					)

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






    def    UpperCamelCase       (       self     :							List[str]					)     ->		str:
      # 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
      lowerCamelCase_         =						self._lock_file_fd
      lowerCamelCase_         =						None
      fcntl.flock(__SCREAMING_SNAKE_CASE       ,						fcntl.LOCK_UN					)
      os.close(__SCREAMING_SNAKE_CASE					)
      return None






class      a						(					__snake_case		):






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






    def    UpperCamelCase       (       self     :							Dict					)     ->		Dict:
      os.close(self._lock_file_fd					)
      lowerCamelCase_         =						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					:				int					    =						None

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

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












"""simple docstring"""





import string







def      lowerCamelCase__       (							_lowerCamelCase       :		str )      ->				None:
  for key in range(len(string.ascii_uppercase ) ):
    lowerCamelCase_         =						''
    for symbol in message:
      if symbol in string.ascii_uppercase:
        lowerCamelCase_         =						string.ascii_uppercase.find(_lowerCamelCase )
        lowerCamelCase_         =						num - key
        if num < 0:
          lowerCamelCase_         =						num + len(string.ascii_uppercase )
        lowerCamelCase_         =						translated + string.ascii_uppercase[num]
      else:
        lowerCamelCase_         =						translated + symbol
    print(F'''Decryption using Key #{key}: {translated}''' )







def      lowerCamelCase__       (							)      ->				None:
  lowerCamelCase_         =						input('Encrypted message: ' )
  lowerCamelCase_         =						message.upper()
  decrypt(_lowerCamelCase )


if __name__ == "__main__":
  import doctest

  doctest.testmod()
  main()




