



import logging
import os

from .state import PartialState



class        lowerCAmelCase__					(  logging.LoggerAdapter       ):


				@staticmethod
				def __UpperCamelCase						(							__UpperCamelCase      :  Optional[Any]       )		->     Union[str, Any]:
											A      						=    PartialState()
											return not main_process_only or (main_process_only and state.is_main_process)


				def __UpperCamelCase						(							self      :  int						, __UpperCamelCase      :  List[Any]						, __UpperCamelCase      :  int						, *__UpperCamelCase      :  Any						, **__UpperCamelCase      :  Tuple       )		->     Optional[Any]:
											if PartialState._shared_state == {}:
																		raise RuntimeError(
																		    'You must initialize the accelerate state by calling either `PartialState()` or `Accelerator()` before using the logging utility.'       )
											A      						=    kwargs.pop('main_process_only'						, __UpperCamelCase       )
											A      						=    kwargs.pop('in_order'						, __UpperCamelCase       )

											if self.isEnabledFor(__UpperCamelCase       ):
																		if self._should_log(__UpperCamelCase       ):
																									A						,   A      						=    self.process(__UpperCamelCase						, __UpperCamelCase       )
																									self.logger.log(__UpperCamelCase						, __UpperCamelCase						, *__UpperCamelCase						, **__UpperCamelCase       )

																		elif in_order:
																									A      						=    PartialState()
																									for i in range(state.num_processes       ):
																																if i == state.process_index:
																																							A						,   A      						=    self.process(__UpperCamelCase						, __UpperCamelCase       )
																																							self.logger.log(__UpperCamelCase						, __UpperCamelCase						, *__UpperCamelCase						, **__UpperCamelCase       )
																																state.wait_for_everyone()






def  lowerCamelCase_	(      lowerCAmelCase__	:	str			,	lowerCAmelCase__	:	str = None				)       ->							Optional[Any]:

							'''simple docstring'''






							if log_level is None:
														A      						=    os.environ.get('ACCELERATE_LOG_LEVEL'			,	lowerCAmelCase__				)
							A      						=    logging.getLogger(lowerCAmelCase__				)
							if log_level is not None:
														logger.setLevel(log_level.upper()				)
														logger.root.setLevel(log_level.upper()				)
							return MultiProcessAdapter(lowerCAmelCase__			,	{}				)




import logging
import os
import threading
import time


try:
				import warnings
except ImportError:
				__snake_case     :Any			       =None

try:
				import msvcrt
except ImportError:
				__snake_case     :Union[str, Any]			       =None

try:
				import fcntl
except ImportError:
				__snake_case     :str			       =None


# Backward compatibility
# ------------------------------------------------
try:
				TimeoutError
except NameError:
				__snake_case     :str			       =OSError


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

__snake_case     :str			       ='3.0.12'


__snake_case     :str			       =None






def  lowerCamelCase_	(      )       ->							List[str]:

							'''simple docstring'''






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



class        lowerCAmelCase__					(  _lowerCamelCase       ):


				def __init__(							self      :  Tuple						, __UpperCamelCase      :  Union[str, Any]       )		->     List[Any]:
											A      						=    lock_file
											return None


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





class        lowerCAmelCase__					:


				def __init__(							self      :  int						, __UpperCamelCase      :  Union[str, Any]       )		->     List[str]:
											A      						=    lock
											return None


				def __enter__(							self      :  Dict       )		->     Dict:
											return self.lock


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





class        lowerCAmelCase__					:


				def __init__(							self      :  List[Any]						, __UpperCamelCase      :  List[str]						, __UpperCamelCase      :  List[Any]=-1						, __UpperCamelCase      :  Optional[Any]=None       )		->     Dict:
											A      						=    max_filename_length if max_filename_length is not None else 255
											# Hash the filename if it's too long
											A      						=    self.hash_filename_if_too_long(__UpperCamelCase						, __UpperCamelCase       )
											# 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 __UpperCamelCase						(							self      :  str       )		->     Union[str, Any]:
											return self._lock_file


				@property
				def __UpperCamelCase						(							self      :  Tuple       )		->     Union[str, Any]:
											return self._timeout


				@timeout.setter
				def __UpperCamelCase						(							self      :  Union[str, Any]						, __UpperCamelCase      :  Any       )		->     Tuple:
											A      						=    float(__UpperCamelCase       )
											return None


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


				def __UpperCamelCase						(							self      :  int       )		->     str:
											raise NotImplementedError()


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


				def __UpperCamelCase						(							self      :  int						, __UpperCamelCase      :  List[str]=None						, __UpperCamelCase      :  Any=0.0_5       )		->     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(__UpperCamelCase       )
											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 __UpperCamelCase						(							self      :  Optional[int]						, __UpperCamelCase      :  Tuple=False       )		->     Tuple:
											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      :  int       )		->     Dict:
											self.acquire()
											return self


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


				def __del__(							self      :  Union[str, Any]       )		->     Optional[int]:
											self.release(force=__UpperCamelCase       )
											return None


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





class        lowerCAmelCase__					(  _lowerCamelCase       ):


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

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


				def __UpperCamelCase						(							self      :  Any       )		->     Any:
											A      						=    os.O_RDWR | os.O_CREAT | os.O_TRUNC

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


				def __UpperCamelCase						(							self      :  Optional[Any]       )		->     List[Any]:
											A      						=    self._lock_file_fd
											A      						=    None
											msvcrt.locking(__UpperCamelCase						, msvcrt.LK_UNLCK						, 1       )
											os.close(__UpperCamelCase       )

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





class        lowerCAmelCase__					(  _lowerCamelCase       ):


				def __init__(							self      :  List[Any]						, __UpperCamelCase      :  Any						, __UpperCamelCase      :  List[Any]=-1						, __UpperCamelCase      :  Dict=None       )		->     Dict:
											A      						=    os.statvfs(os.path.dirname(__UpperCamelCase       )       ).f_namemax
											super().__init__(__UpperCamelCase						, timeout=__UpperCamelCase						, max_filename_length=__UpperCamelCase       )


				def __UpperCamelCase						(							self      :  Any       )		->     int:
											A      						=    os.O_RDWR | os.O_CREAT | os.O_TRUNC
											A      						=    os.open(self._lock_file						, __UpperCamelCase       )

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


				def __UpperCamelCase						(							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(__UpperCamelCase						, fcntl.LOCK_UN       )
											os.close(__UpperCamelCase       )
											return None





class        lowerCAmelCase__					(  _lowerCamelCase       ):


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


				def __UpperCamelCase						(							self      :  Optional[Any]       )		->     List[str]:
											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     :List[str]			       =None

if msvcrt:
				__snake_case     :List[Any]			       =WindowsFileLock
elif fcntl:
				__snake_case     :Any			       =UnixFileLock
else:
				__snake_case     :Tuple			       =SoftFileLock

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