




import logging
import os
import threading
import time


try:
  import warnings
except ImportError:
  _snake_case            = None

try:
  import msvcrt
except ImportError:
  _snake_case            = None

try:
  import fcntl
except ImportError:
  _snake_case            = None


# Backward compatibility
# ------------------------------------------------
try:
  TimeoutError
except NameError:
  _snake_case            = OSError


# Data
# ------------------------------------------------
_snake_case            = [
    "Timeout",
    "BaseFileLock",
    "WindowsFileLock",
    "UnixFileLock",
    "SoftFileLock",
    "FileLock",
]

_snake_case            = "3.0.12"


_snake_case            = None






def        lowerCAmelCase_			(  ):
      global _logger
      _A							:  str    =		_logger or logging.getLogger(__name__  )
      return _logger







class 		lowercase							(     UpperCamelCase__	):

     def __init__(						self	,  _a       )		->							List[str]:
           _A							:  int    =		lock_file
           return None



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







class 		lowercase							:

     def __init__(						self	,  _a       )		->							Tuple:
           _A							:  Optional[int]    =		lock
           return None

     def __enter__(						self       )		->							List[Any]:
           return self.lock



     def __exit__(						self	,  _a	,  _a	,  _a       )		->							List[Any]:
           self.lock.release()
           return None







class 		lowercase							:

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

           # The default timeout value.
           _A							:  Union[str, Any]    =		timeout

           # We use this lock primarily for the lock counter.
           _A							:  str    =		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							:  str    =		0
           return None

     @property
     def       a__			(						self       )		->							Dict:
           return self._lock_file

     @property
     def       a__			(						self       )		->							Optional[Any]:
           return self._timeout

     @timeout.setter
     def       a__			(						self	,  _a       )		->							Optional[int]:
           _A							:  Dict    =		float(_a       )
           return None

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

     def       a__			(						self       )		->							int:
           raise NotImplementedError()

     @property
     def       a__			(						self       )		->							Optional[Any]:
           return self._lock_file_fd is not None

     def       a__			(						self	,  _a=None	,  _a=0.05       )		->							Dict:
           # Use the default timeout, if no timeout is provided.
           if timeout is None:
                 _A							:  Tuple    =		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							:  Optional[int]    =		id(self       )
           _A							:  str    =		self._lock_file
           _A							:  Tuple    =		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(_a       )
           except:  # noqa
                 # Something did go wrong, so decrement the counter.
                 with self._thread_lock:
                       _A							:  List[Any]    =		max(0	,  self._lock_counter - 1       )

                 raise
           return _Acquire_ReturnProxy(lock=self       )

     def       a__			(						self	,  _a=False       )		->							Optional[int]:
           with self._thread_lock:
                 if self.is_locked:
                       self._lock_counter -= 1

                       if self._lock_counter == 0 or force:
                             _A							:  Optional[Any]    =		id(self       )
                             _A							:  str    =		self._lock_file

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

           return None

     def __enter__(						self       )		->							Any:
           self.acquire()
           return self

     def __exit__(						self	,  _a	,  _a	,  _a       )		->							int:
           self.release()
           return None

     def __del__(						self       )		->							List[Any]:
           self.release(force=_a       )
           return None



     def       a__			(						self	,  _a	,  _a       )		->							str:
           _A							:  Optional[Any]    =		os.path.basename(_a       )
           if len(_a       ) > max_length and max_length > 0:
                 _A							:  Dict    =		os.path.dirname(_a       )
                 _A							:  Any    =		str(hash(_a       )       )
                 _A							:  Tuple    =		filename[: max_length - len(_a       ) - 8] + """...""" + hashed_filename + """.lock"""
                 return os.path.join(_a	,  _a       )
           else:
                 return path







class 		lowercase							(     UpperCamelCase__	):

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

           super().__init__(_a	,  timeout=_a	,  max_filename_length=_a       )
           _A							:  Optional[Any]    =		"""\\\\?\\""" + relative_to_absolute_path(self.lock_file       )

     def       a__			(						self       )		->							Union[str, Any]:
           _A							:  List[str]    =		os.O_RDWR | os.O_CREAT | os.O_TRUNC

           try:
                 _A							:  Optional[Any]    =		os.open(self._lock_file	,  _a       )
           except OSError:
                 pass
           else:
                 try:
                       msvcrt.locking(_a	,  msvcrt.LK_NBLCK	,  1       )
                 except OSError:
                       os.close(_a       )
                 else:
                       _A							:  str    =		fd
           return None



     def       a__			(						self       )		->							int:
           _A							:  str    =		self._lock_file_fd
           _A							:  Any    =		None
           msvcrt.locking(_a	,  msvcrt.LK_UNLCK	,  1       )
           os.close(_a       )

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







class 		lowercase							(     UpperCamelCase__	):

     def __init__(						self	,  _a	,  _a=-1	,  _a=None       )		->							Optional[int]:
           _A							:  List[Any]    =		os.statvfs(os.path.dirname(_a       )       ).f_namemax
           super().__init__(_a	,  timeout=_a	,  max_filename_length=_a       )

     def       a__			(						self       )		->							Any:
           _A							:  Any    =		os.O_RDWR | os.O_CREAT | os.O_TRUNC
           _A							:  Any    =		os.open(self._lock_file	,  _a       )

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



     def       a__			(						self       )		->							Dict:
           # 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							:  Any    =		self._lock_file_fd
           _A							:  Dict    =		None
           fcntl.flock(_a	,  fcntl.LOCK_UN       )
           os.close(_a       )
           return None







class 		lowercase							(     UpperCamelCase__	):

     def       a__			(						self       )		->							Tuple:
           _A							:  Dict    =		os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
           try:
                 _A							:  Optional[Any]    =		os.open(self._lock_file	,  _a       )
           except OSError:
                 pass
           else:
                 _A							:  str    =		fd
           return None



     def       a__			(						self       )		->							List[Any]:
           os.close(self._lock_file_fd       )
           _A							:  Dict    =		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            = None

if msvcrt:
  _snake_case            = WindowsFileLock
elif fcntl:
  _snake_case            = UnixFileLock
else:
  _snake_case            = SoftFileLock

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







from __future__ import annotations







def        lowerCAmelCase_			(  snake_case_,snake_case_ = None  ):
      _A							:  Tuple    =		word_bank or []
      # create a table
      _A							:  int    =		len(snake_case_  ) + 1

      _A							:  list[list[list[str]]]    =		[]
      for _ in range(snake_case_  ):
            table.append([]  )
      # seed value
      _A							:  Dict    =		[[]]  # because empty string has empty combination

      # iterate through the indices
      for i in range(snake_case_  ):
            # condition
            if table[i] != []:
                  for word in word_bank:
                        # slice condition
                        if target[i : i + len(snake_case_  )] == word:
                              _A							:  list[list[str]]    =		[
                                  [word, *way] for way in table[i]
                              ]
                              # adds the word to every combination the current position holds
                              # now,push that combination to the table[i+len(word)]
                              table[i + len(snake_case_  )] += new_combinations

    # combinations are in reverse order so reverse for better output
      for combination in table[len(snake_case_  )]:
            combination.reverse()

      return table[len(snake_case_  )]


if __name__ == "__main__":
  print(all_construct("jwajalapa", ["jwa", "j", "w", "a", "la", "lapa"]))
  print(all_construct("rajamati", ["s", "raj", "amat", "raja", "ma", "i", "t"]))
  print(
      all_construct(
          "hexagonosaurus",
          ["h", "ex", "hex", "ag", "ago", "ru", "auru", "rus", "go", "no", "o", "s"],
      )
  )

