




'''simple docstring'''


import logging
import os
import threading
import time


try:
	import warnings
except ImportError:
	_lowercase  =			None

try:
	import msvcrt
except ImportError:
	_lowercase  =			None

try:
	import fcntl
except ImportError:
	_lowercase  =			None


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


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

_lowercase  =			"""3.0.12"""


_lowercase  =			None
def 						lowerCamelCase__   (				):
						global _logger
						__snake_case						 =   _logger or logging.getLogger(__name__							)
						return _logger
class 						a_				(			UpperCAmelCase__						):




	def __init__(       self     :  Union[str, Any]       ,		__lowerCAmelCase     :  List[Any]      ):
							__snake_case						 =   lock_file
							return None




	def __str__(       self     :  str      ):
							__snake_case						 =   F'The file lock \'{self.lock_file}\' could not be acquired.'
							return temp





class 						a_				:




	def __init__(       self     :  Tuple       ,		__lowerCAmelCase     :  Any      ):
							__snake_case						 =   lock
							return None




	def __enter__(       self     :  List[str]      ):
							return self.lock




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





class 						a_				:




	def __init__(       self     :  str       ,		__lowerCAmelCase     :  Tuple       ,		__lowerCAmelCase     :  str=-1       ,		__lowerCAmelCase     :  Optional[int]=None      ):
							__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   lowercase__   (       self     :  List[str]      ):
							return self._lock_file




	@property
	def   lowercase__   (       self     :  List[str]      ):
							return self._timeout




	@timeout.setter
	def   lowercase__   (       self     :  Union[str, Any]       ,		__lowerCAmelCase     :  Any      ):
							__snake_case						 =   float(__lowerCAmelCase      )
							return None




	def   lowercase__   (       self     :  str      ):
							raise NotImplementedError()




	def   lowercase__   (       self     :  List[str]      ):
							raise NotImplementedError()




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




	def   lowercase__   (       self     :  List[Any]       ,		__lowerCAmelCase     :  List[Any]=None       ,		__lowerCAmelCase     :  str=0.05      ):
							# 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   lowercase__   (       self     :  Tuple       ,		__lowerCAmelCase     :  Tuple=False      ):
							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     :  str      ):
							self.acquire()
							return self




	def __exit__(       self     :  List[Any]       ,		__lowerCAmelCase     :  List[Any]       ,		__lowerCAmelCase     :  str       ,		__lowerCAmelCase     :  Tuple      ):
							self.release()
							return None




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




	def   lowercase__   (       self     :  Union[str, Any]       ,		__lowerCAmelCase     :  str       ,		__lowerCAmelCase     :  int      ):
							__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 						a_				(			UpperCAmelCase__						):




	def __init__(       self     :  Dict       ,		__lowerCAmelCase     :  Tuple       ,		__lowerCAmelCase     :  List[str]=-1       ,		__lowerCAmelCase     :  int=None      ):
							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   lowercase__   (       self     :  Any      ):
							__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   lowercase__   (       self     :  Any      ):
							__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 						a_				(			UpperCAmelCase__						):




	def __init__(       self     :  List[str]       ,		__lowerCAmelCase     :  str       ,		__lowerCAmelCase     :  int=-1       ,		__lowerCAmelCase     :  Optional[int]=None      ):
							__snake_case						 =   os.statvfs(os.path.dirname(__lowerCAmelCase      )      ).f_namemax
							super().__init__(__lowerCAmelCase       ,		timeout=__lowerCAmelCase       ,		max_filename_length=__lowerCAmelCase      )




	def   lowercase__   (       self     :  Optional[int]      ):
							__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   lowercase__   (       self     :  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
							__snake_case						 =   self._lock_file_fd
							__snake_case						 =   None
							fcntl.flock(__lowerCAmelCase       ,		fcntl.LOCK_UN      )
							os.close(__lowerCAmelCase      )
							return None





class 						a_				(			UpperCAmelCase__						):




	def   lowercase__   (       self     :  Union[str, Any]      ):
							__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   lowercase__   (       self     :  List[Any]      ):
							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





_lowercase  =			None

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

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







'''simple docstring'''


from .configuration_bert_masked import MaskedBertConfig
from .modeling_bert_masked import (
    MaskedBertForMultipleChoice,
    MaskedBertForQuestionAnswering,
    MaskedBertForSequenceClassification,
    MaskedBertForTokenClassification,
    MaskedBertModel,
)
from .modules import *

