

import unittest

from transformers import JukeboxTokenizer
from transformers.testing_utils import require_torch

class     a__  (    unittest.TestCase	):
			"""simple docstring"""







			__lowerCamelCase       				=				JukeboxTokenizer
			__lowerCamelCase       				=				{
			    'artist': 'Zac Brown Band',
			    'genres': 'Country',
			    'lyrics': 'I met a traveller from an antique land,\n        Who said "Two vast and trunkless legs of stone\n        Stand in the desert. . . . Near them, on the sand,\n        Half sunk a shattered visage lies, whose frown,\n        And wrinkled lip, and sneer of cold command,\n        Tell that its sculptor well those passions read\n        Which yet survive, stamped on these lifeless things,\n        The hand that mocked them, and the heart that fed;\n        And on the pedestal, these words appear:\n        My name is Ozymandias, King of Kings;\n        Look on my Works, ye Mighty, and despair!\n        Nothing beside remains. Round the decay\n        Of that colossal Wreck, boundless and bare\n        The lone and level sands stretch far away\n        ',
			}


			@require_torch
			def    UpperCamelCase						(			self				)     ->  Optional[int]:
							'''simple docstring'''






							import torch

							A__						=	JukeboxTokenizer.from_pretrained("openai/jukebox-1b-lyrics"				)
							A__						=	tokenizer(**self.metas				)["input_ids"]
							# fmt: off
							A__						=	[
							    torch.tensor([[
							        0, 0, 0, 7169, 507, 9, 76, 39, 31, 46, 76, 27,
							        76, 46, 44, 27, 48, 31, 38, 38, 31, 44, 76, 32,
							        44, 41, 39, 76, 27, 40, 76, 27, 40, 46, 35, 43,
							        47, 31, 76, 38, 27, 40, 30, 64, 78, 76, 76, 76,
							        76, 76, 76, 76, 76, 23, 34, 41, 76, 45, 27, 35,
							        30, 76, 71, 20, 49, 41, 76, 48, 27, 45, 46, 76,
							        27, 40, 30, 76, 46, 44, 47, 40, 37, 38, 31, 45,
							        45, 76, 38, 31, 33, 45, 76, 41, 32, 76, 45, 46,
							        41, 40, 31, 78, 76, 76, 76, 76, 76, 76, 76, 76,
							        19, 46, 27, 40, 30, 76, 35, 40, 76, 46, 34, 31,
							        76, 30, 31, 45, 31, 44, 46, 63, 76, 63, 76, 63,
							        76, 63, 76, 14, 31, 27, 44, 76, 46, 34, 31, 39,
							        64, 76, 41, 40, 76, 46, 34, 31, 76, 45, 27, 40,
							        30, 64, 78, 76, 76, 76, 76, 76, 76, 76, 76, 8,
							        27, 38, 32, 76, 45, 47, 40, 37, 76, 27, 76, 45,
							        34, 27, 46, 46, 31, 44, 31, 30, 76, 48, 35, 45,
							        27, 33, 31, 76, 38, 35, 31, 45, 64, 76, 49, 34,
							        41, 45, 31, 76, 32, 44, 41, 49, 40, 64, 78, 76,
							        76, 76, 76, 76, 76, 76, 76, 1, 40, 30, 76, 49,
							        44, 35, 40, 37, 38, 31, 30, 76, 38, 35, 42, 64,
							        76, 27, 40, 30, 76, 45, 40, 31, 31, 44, 76, 41,
							        32, 76, 29, 41, 38, 30, 76, 29, 41, 39, 39, 27,
							        40, 30, 64, 78, 76, 76, 76, 76, 76, 76, 76, 76,
							        20, 31, 38, 38, 76, 46, 34, 27, 46, 76, 35, 46,
							        45, 76, 45, 29, 47, 38, 42, 46, 41, 44, 76, 49,
							        31, 38, 38, 76, 46, 34, 41, 45, 31, 76, 42, 27,
							        45, 45, 35, 41, 40, 45, 76, 44, 31, 27, 30, 78,
							        76, 76, 76, 76, 76, 76, 76, 76, 23, 34, 35, 29,
							        34, 76, 51, 31, 46, 76, 45, 47, 44, 48, 35, 48,
							        31, 64, 76, 45, 46, 27, 39, 42, 31, 30, 76, 41,
							        40, 76, 46, 34, 31, 45, 31, 76, 38, 35, 32, 31,
							        38, 31, 45, 45, 76, 46, 34, 35, 40, 33, 45, 64,
							        78, 76, 76, 76, 76, 76, 76, 76, 76, 20, 34, 31,
							        76, 34, 27, 40, 30, 76, 46, 34, 27, 46, 76, 39,
							        41, 29, 37, 31, 30, 76, 46, 34, 31, 39, 64, 76,
							        27, 40, 30, 76, 46, 34, 31, 76, 34, 31, 27, 44,
							        46, 76, 46, 34, 27, 46, 76, 32, 31, 30, 66, 78,
							        76, 76, 76, 76, 76, 76, 76, 76, 1, 40, 30, 76,
							        41, 40, 76, 46, 34, 31, 76, 42, 31, 30, 31, 45,
							        46, 27, 38, 64, 76, 46, 34, 31, 45, 31, 76, 49,
							        41, 44, 30, 45, 76, 27, 42, 42, 31, 27, 44, 65,
							        78, 76, 76, 76, 76, 76, 76, 76, 76, 13, 51, 76,
							        40, 27, 39, 31, 76, 35, 45, 76, 15, 52, 51, 39,
							        27, 40, 30, 35, 27, 45, 64, 76, 11, 35, 40, 33,
							        76, 41, 32, 76, 11, 35, 40, 33, 45, 66, 78, 76,
							        76, 76, 76, 76, 76, 76, 76, 12, 41, 41, 37, 76,
							        41, 40, 76, 39, 51, 76, 23, 41, 44, 37, 45, 64,
							        76, 51, 31, 76, 13, 35, 33, 34, 46, 51, 64, 76,
							        27, 40, 30, 76, 30, 31, 45, 42, 27, 35, 44, 67,
							        78, 76, 76, 76, 76, 76, 76, 76, 76, 14, 41, 46,
							        34, 35, 40, 33, 76, 28, 31, 45, 35, 30, 31, 76,
							        44, 31, 39, 27, 35, 40, 45, 63, 76, 18, 41, 47,
							        40, 30, 76, 46, 34, 31, 76, 30, 31, 29, 27, 51,
							        78, 76, 76, 76, 76, 76, 76, 76, 76, 15, 32, 76,
							        46, 34, 27, 46, 76, 29, 41, 38, 41, 45, 45, 27,
							        38, 76, 23, 44, 31, 29, 37, 64, 76, 28, 41, 47,
							        40, 30, 38, 31, 45, 45, 76, 27, 40, 30, 76, 28,
							        27, 44, 31, 78, 76, 76, 76, 76, 76, 76, 76, 76,
							        20, 34, 31, 76, 38, 41, 40, 31, 76, 27, 40, 30,
							        76, 38, 31, 48, 31, 38, 76, 45, 27, 40, 30, 45,
							        76, 45, 46, 44, 31, 46, 29, 34, 76, 32, 27, 44,
							        76, 27, 49, 27, 51, 78, 76, 76, 76, 76, 76, 76,
							        76, 76]]				),
							    torch.tensor([[0, 0, 0, 1069, 11]]				),
							    torch.tensor([[0, 0, 0, 1069, 11]]				),
							]
							# fmt: on
							self.assertTrue(torch.allclose(tokens[0]					,					EXPECTED_OUTPUT[0]				)				)
							self.assertTrue(torch.allclose(tokens[1]					,					EXPECTED_OUTPUT[1]				)				)
							self.assertTrue(torch.allclose(tokens[2]					,					EXPECTED_OUTPUT[2]				)				)


			@require_torch
			def    UpperCamelCase						(			self				)     ->  Union[str, Any]:
							'''simple docstring'''






							import torch

							A__						=	JukeboxTokenizer.from_pretrained("openai/jukebox-5b-lyrics"				)
							A__						=	tokenizer(**self.metas				)["input_ids"]
							# fmt: off
							A__						=	[
							    torch.tensor([[
							        0, 0, 0, 1069, 11, -1, -1, -1, -1, 9, 77, 39,
							        31, 46, 77, 27, 77, 46, 44, 27, 48, 31, 38, 38,
							        31, 44, 77, 32, 44, 41, 39, 77, 27, 40, 77, 27,
							        40, 46, 35, 43, 47, 31, 77, 38, 27, 40, 30, 64,
							        79, 77, 77, 77, 77, 77, 77, 77, 77, 23, 34, 41,
							        77, 45, 27, 35, 30, 77, 72, 20, 49, 41, 77, 48,
							        27, 45, 46, 77, 27, 40, 30, 77, 46, 44, 47, 40,
							        37, 38, 31, 45, 45, 77, 38, 31, 33, 45, 77, 41,
							        32, 77, 45, 46, 41, 40, 31, 79, 77, 77, 77, 77,
							        77, 77, 77, 77, 19, 46, 27, 40, 30, 77, 35, 40,
							        77, 46, 34, 31, 77, 30, 31, 45, 31, 44, 46, 63,
							        77, 63, 77, 63, 77, 63, 77, 14, 31, 27, 44, 77,
							        46, 34, 31, 39, 64, 77, 41, 40, 77, 46, 34, 31,
							        77, 45, 27, 40, 30, 64, 79, 77, 77, 77, 77, 77,
							        77, 77, 77, 8, 27, 38, 32, 77, 45, 47, 40, 37,
							        77, 27, 77, 45, 34, 27, 46, 46, 31, 44, 31, 30,
							        77, 48, 35, 45, 27, 33, 31, 77, 38, 35, 31, 45,
							        64, 77, 49, 34, 41, 45, 31, 77, 32, 44, 41, 49,
							        40, 64, 79, 77, 77, 77, 77, 77, 77, 77, 77, 1,
							        40, 30, 77, 49, 44, 35, 40, 37, 38, 31, 30, 77,
							        38, 35, 42, 64, 77, 27, 40, 30, 77, 45, 40, 31,
							        31, 44, 77, 41, 32, 77, 29, 41, 38, 30, 77, 29,
							        41, 39, 39, 27, 40, 30, 64, 79, 77, 77, 77, 77,
							        77, 77, 77, 77, 20, 31, 38, 38, 77, 46, 34, 27,
							        46, 77, 35, 46, 45, 77, 45, 29, 47, 38, 42, 46,
							        41, 44, 77, 49, 31, 38, 38, 77, 46, 34, 41, 45,
							        31, 77, 42, 27, 45, 45, 35, 41, 40, 45, 77, 44,
							        31, 27, 30, 79, 77, 77, 77, 77, 77, 77, 77, 77,
							        23, 34, 35, 29, 34, 77, 51, 31, 46, 77, 45, 47,
							        44, 48, 35, 48, 31, 64, 77, 45, 46, 27, 39, 42,
							        31, 30, 77, 41, 40, 77, 46, 34, 31, 45, 31, 77,
							        38, 35, 32, 31, 38, 31, 45, 45, 77, 46, 34, 35,
							        40, 33, 45, 64, 79, 77, 77, 77, 77, 77, 77, 77,
							        77, 20, 34, 31, 77, 34, 27, 40, 30, 77, 46, 34,
							        27, 46, 77, 39, 41, 29, 37, 31, 30, 77, 46, 34,
							        31, 39, 64, 77, 27, 40, 30, 77, 46, 34, 31, 77,
							        34, 31, 27, 44, 46, 77, 46, 34, 27, 46, 77, 32,
							        31, 30, 66, 79, 77, 77, 77, 77, 77, 77, 77, 77,
							        1, 40, 30, 77, 41, 40, 77, 46, 34, 31, 77, 42,
							        31, 30, 31, 45, 46, 27, 38, 64, 77, 46, 34, 31,
							        45, 31, 77, 49, 41, 44, 30, 45, 77, 27, 42, 42,
							        31, 27, 44, 65, 79, 77, 77, 77, 77, 77, 77, 77,
							        77, 13, 51, 77, 40, 27, 39, 31, 77, 35, 45, 77,
							        15, 52, 51, 39, 27, 40, 30, 35, 27, 45, 64, 77,
							        11, 35, 40, 33, 77, 41, 32, 77, 11, 35, 40, 33,
							        45, 66, 79, 77, 77, 77, 77, 77, 77, 77, 77, 12,
							        41, 41, 37, 77, 41, 40, 77, 39, 51, 77, 23, 41,
							        44, 37, 45, 64, 77, 51, 31, 77, 13, 35, 33, 34,
							        46, 51, 64, 77, 27, 40, 30, 77, 30, 31, 45, 42,
							        27, 35, 44, 67, 79, 77, 77, 77, 77, 77, 77, 77,
							        77, 14, 41, 46, 34, 35, 40, 33, 77, 28, 31, 45,
							        35, 30, 31, 77, 44, 31, 39, 27, 35, 40, 45, 63,
							        77, 18, 41, 47, 40, 30, 77, 46, 34, 31, 77, 30,
							        31, 29, 27, 51, 79, 77, 77, 77, 77, 77, 77, 77,
							        77, 15, 32, 77, 46, 34, 27, 46, 77, 29, 41, 38,
							        41, 45, 45, 27, 38, 77, 23, 44, 31, 29, 37, 64,
							        77, 28, 41, 47, 40, 30, 38, 31, 45, 45, 77, 27,
							        40, 30, 77, 28, 27, 44, 31, 79, 77, 77, 77, 77,
							        77, 77, 77, 77, 20, 34, 31, 77, 38, 41, 40, 31,
							        77, 27, 40, 30, 77, 38, 31, 48, 31, 38, 77, 45,
							        27, 40, 30, 45, 77, 45, 46, 44, 31, 46, 29, 34,
							        77, 32, 27, 44, 77, 27, 49, 27, 51, 79, 77, 77,
							        77, 77, 77, 77, 77, 77]]				),
							    torch.tensor([[0, 0, 0, 1069, 11, -1, -1, -1, -1]]				),
							    torch.tensor([[0, 0, 0, 1069, 11, -1, -1, -1, -1]]				),
							]
							# fmt: on
							self.assertTrue(torch.allclose(tokens[0]					,					EXPECTED_OUTPUT[0]				)				)
							self.assertTrue(torch.allclose(tokens[1]					,					EXPECTED_OUTPUT[1]				)				)
							self.assertTrue(torch.allclose(tokens[2]					,					EXPECTED_OUTPUT[2]				)				)




'''simple docstring'''



import logging
import os
import threading
import time


try:
  import warnings
except ImportError:
  UpperCAmelCase :       Optional[Any]			   =     None

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

try:
  import fcntl
except ImportError:
  UpperCAmelCase :       int			   =     None


# Backward compatibility
# ------------------------------------------------
try:
  TimeoutError
except NameError:
  UpperCAmelCase :       Union[str, Any]			   =     OSError


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

UpperCAmelCase :       Tuple			   =     '3.0.12'


UpperCAmelCase :       str			   =     None







def    a__       (  ):




     """simple docstring"""


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







class 						lowerCAmelCase__   (      a					):



 """simple docstring"""



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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      lock_file
      return None


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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      f'The file lock \'{self.lock_file}\' could not be acquired.'
      return temp







class 						lowerCAmelCase__   :



 """simple docstring"""



 def __init__(		self					:       Tuple					,							__SCREAMING_SNAKE_CASE					:       List[Any]			)  -> Union[str, Any]:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      lock
      return None
 def __enter__(		self					:       List[str]			)  -> List[Any]:


      """simple docstring"""




      return self.lock


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


      """simple docstring"""




      self.lock.release()
      return None







class 						lowerCAmelCase__   :



 """simple docstring"""



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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      max_filename_length if max_filename_length is not None else 255
      # Hash the filename if it's too long
      __SCREAMING_SNAKE_CASE     =      self.hash_filename_if_too_long(__SCREAMING_SNAKE_CASE					,							__SCREAMING_SNAKE_CASE			)
      # The path to the lock file.
      __SCREAMING_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.
      __SCREAMING_SNAKE_CASE     =      None

      # The default timeout value.
      __SCREAMING_SNAKE_CASE     =      timeout

      # We use this lock primarily for the lock counter.
      __SCREAMING_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.
      __SCREAMING_SNAKE_CASE     =      0
      return None
 @property
 def       UpperCAmelCase__		(		self					:       List[Any]			)  -> List[str]:


      """simple docstring"""




      return self._lock_file
 @property
 def       UpperCAmelCase__		(		self					:       Optional[Any]			)  -> Optional[int]:


      """simple docstring"""




      return self._timeout
 @timeout.setter
 def       UpperCAmelCase__		(		self					:       List[str]					,							__SCREAMING_SNAKE_CASE					:       Dict			)  -> Optional[int]:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      float(__SCREAMING_SNAKE_CASE			)
      return None
 def       UpperCAmelCase__		(		self					:       Optional[Any]			)  -> List[Any]:


      """simple docstring"""




      raise NotImplementedError()
 def       UpperCAmelCase__		(		self					:       Union[str, Any]			)  -> Any:


      """simple docstring"""




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


      """simple docstring"""




      return self._lock_file_fd is not None
 def       UpperCAmelCase__		(		self					:       Optional[Any]					,							__SCREAMING_SNAKE_CASE					:       Optional[Any]=None					,							__SCREAMING_SNAKE_CASE					:       Optional[int]=0.05			)  -> Optional[Any]:


      """simple docstring"""




      if timeout is None:
           __SCREAMING_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

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

           raise
      return _Acquire_ReturnProxy(lock=self			)
 def       UpperCAmelCase__		(		self					:       Optional[Any]					,							__SCREAMING_SNAKE_CASE					:       Optional[Any]=False			)  -> Dict:


      """simple docstring"""




      with self._thread_lock:
           if self.is_locked:
                self._lock_counter -= 1

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

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

      return None
 def __enter__(		self					:       Union[str, Any]			)  -> Optional[int]:


      """simple docstring"""




      self.acquire()
      return self
 def __exit__(		self					:       Optional[Any]					,							__SCREAMING_SNAKE_CASE					:       Tuple					,							__SCREAMING_SNAKE_CASE					:       Union[str, Any]					,							__SCREAMING_SNAKE_CASE					:       Any			)  -> Tuple:


      """simple docstring"""




      self.release()
      return None
 def __del__(		self					:       str			)  -> Union[str, Any]:


      """simple docstring"""




      self.release(force=__SCREAMING_SNAKE_CASE			)
      return None


 def       UpperCAmelCase__		(		self					:       Optional[int]					,							__SCREAMING_SNAKE_CASE					:       str					,							__SCREAMING_SNAKE_CASE					:       int			)  -> str:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      os.path.basename(__SCREAMING_SNAKE_CASE			)
      if len(__SCREAMING_SNAKE_CASE			) > max_length and max_length > 0:
           __SCREAMING_SNAKE_CASE     =      os.path.dirname(__SCREAMING_SNAKE_CASE			)
           __SCREAMING_SNAKE_CASE     =      str(hash(__SCREAMING_SNAKE_CASE			)			)
           __SCREAMING_SNAKE_CASE     =      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 						lowerCAmelCase__   (      a					):



 """simple docstring"""



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


      """simple docstring"""




      from .file_utils import relative_to_absolute_path

      super().__init__(__SCREAMING_SNAKE_CASE					,							timeout=__SCREAMING_SNAKE_CASE					,							max_filename_length=__SCREAMING_SNAKE_CASE			)
      __SCREAMING_SNAKE_CASE     =      """\\\\?\\""" + relative_to_absolute_path(self.lock_file			)
 def       UpperCAmelCase__		(		self					:       Dict			)  -> Optional[int]:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      os.O_RDWR | os.O_CREAT | os.O_TRUNC

      try:
           __SCREAMING_SNAKE_CASE     =      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:
                __SCREAMING_SNAKE_CASE     =      fd
      return None


 def       UpperCAmelCase__		(		self					:       Tuple			)  -> List[str]:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      self._lock_file_fd
      __SCREAMING_SNAKE_CASE     =      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 						lowerCAmelCase__   (      a					):



 """simple docstring"""



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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      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					:       Optional[int]			)  -> List[Any]:


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      os.O_RDWR | os.O_CREAT | os.O_TRUNC
      __SCREAMING_SNAKE_CASE     =      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:
           __SCREAMING_SNAKE_CASE     =      fd
      return None


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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      self._lock_file_fd
      __SCREAMING_SNAKE_CASE     =      None
      fcntl.flock(__SCREAMING_SNAKE_CASE					,							fcntl.LOCK_UN			)
      os.close(__SCREAMING_SNAKE_CASE			)
      return None







class 						lowerCAmelCase__   (      a					):



 """simple docstring"""



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


      """simple docstring"""




      __SCREAMING_SNAKE_CASE     =      os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
      try:
           __SCREAMING_SNAKE_CASE     =      os.open(self._lock_file					,							__SCREAMING_SNAKE_CASE			)
      except OSError:
           pass
      else:
           __SCREAMING_SNAKE_CASE     =      fd
      return None


 def       UpperCAmelCase__		(		self					:       int			)  -> Optional[int]:


      """simple docstring"""




      os.close(self._lock_file_fd			)
      __SCREAMING_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


UpperCAmelCase :       Dict			   =     None

if msvcrt:
  UpperCAmelCase :       Optional[int]			   =     WindowsFileLock
elif fcntl:
  UpperCAmelCase :       Optional[Any]			   =     UnixFileLock
else:
  UpperCAmelCase :       int			   =     SoftFileLock

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






