
"""simple docstring"""



import logging
import os
import threading
import time


try:
 import warnings
except ImportError:
 a					:	Optional[int]							=		None

try:
 import msvcrt
except ImportError:
 a					:	Optional[Any]							=		None

try:
 import fcntl
except ImportError:
 a					:	List[str]							=		None


# Backward compatibility
# ------------------------------------------------
try:
 TimeoutError
except NameError:
 a					:	Optional[Any]							=		OSError


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

a					:	int							=		'''3.0.12'''


a					:	Dict							=		None


def  _UpperCamelCase	(						)    ->  Optional[int]:





    """simple docstring"""

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




class 		a_						( _UpperCAmelCase	):







    def __init__(			self			:       Any     ,					__UpperCamelCase			:       Dict     )		->Tuple:






        '''simple docstring'''






        _UpperCAmelCase          =   lock_file
        return None







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






        '''simple docstring'''






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







class 		a_						:







    def __init__(			self			:       Tuple     ,					__UpperCamelCase			:       Any     )		->Any:






        '''simple docstring'''






        _UpperCAmelCase          =   lock
        return None







    def __enter__(			self			:       Any     )		->str:






        '''simple docstring'''






        return self.lock







    def __exit__(			self			:       List[Any]     ,					__UpperCamelCase			:       int     ,					__UpperCamelCase			:       List[str]     ,					__UpperCamelCase			:       Optional[int]     )		->List[str]:






        '''simple docstring'''






        self.lock.release()
        return None







class 		a_						:







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






        '''simple docstring'''






        _UpperCAmelCase          =   max_filename_length if max_filename_length is not None else 2_55
        # Hash the filename if it's too long
        _UpperCAmelCase          =   self.hash_filename_if_too_long(__UpperCamelCase     ,					__UpperCamelCase     )
        # The path to the lock file.
        _UpperCAmelCase          =   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.
        _UpperCAmelCase          =   None

        # The default timeout value.
        _UpperCAmelCase          =   timeout

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







    @property
    def      _snake_case					(			self			:       Union[str, Any]     )		->Optional[Any]:






        '''simple docstring'''






        return self._lock_file







    @property
    def      _snake_case					(			self			:       Tuple     )		->Any:






        '''simple docstring'''






        return self._timeout







    @timeout.setter
    def      _snake_case					(			self			:       Union[str, Any]     ,					__UpperCamelCase			:       Any     )		->int:






        '''simple docstring'''






        _UpperCAmelCase          =   float(__UpperCamelCase     )
        return None







    def      _snake_case					(			self			:       Optional[int]     )		->List[Any]:






        '''simple docstring'''






        raise NotImplementedError()







    def      _snake_case					(			self			:       str     )		->str:






        '''simple docstring'''






        raise NotImplementedError()







    @property
    def      _snake_case					(			self			:       Optional[int]     )		->int:






        '''simple docstring'''






        return self._lock_file_fd is not None







    def      _snake_case					(			self			:       Any     ,					__UpperCamelCase			:       List[Any]=None     ,					__UpperCamelCase			:       int=0.0_5     )		->Tuple:






        '''simple docstring'''






        if timeout is None:
            _UpperCAmelCase          =   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

        _UpperCAmelCase          =   id(self     )
        _UpperCAmelCase          =   self._lock_file
        _UpperCAmelCase          =   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:
                _UpperCAmelCase          =   max(0     ,					self._lock_counter - 1     )

            raise
        return _Acquire_ReturnProxy(lock=self     )







    def      _snake_case					(			self			:       str     ,					__UpperCamelCase			:       Tuple=False     )		->Dict:






        '''simple docstring'''






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

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

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

        return None







    def __enter__(			self			:       str     )		->Dict:






        '''simple docstring'''






        self.acquire()
        return self







    def __exit__(			self			:       int     ,					__UpperCamelCase			:       Dict     ,					__UpperCamelCase			:       Dict     ,					__UpperCamelCase			:       Optional[int]     )		->Optional[Any]:






        '''simple docstring'''






        self.release()
        return None







    def __del__(			self			:       Any     )		->Tuple:






        '''simple docstring'''






        self.release(force=__UpperCamelCase     )
        return None







    def      _snake_case					(			self			:       int     ,					__UpperCamelCase			:       str     ,					__UpperCamelCase			:       int     )		->str:






        '''simple docstring'''






        _UpperCAmelCase          =   os.path.basename(__UpperCamelCase     )
        if len(__UpperCamelCase     ) > max_length and max_length > 0:
            _UpperCAmelCase          =   os.path.dirname(__UpperCamelCase     )
            _UpperCAmelCase          =   str(hash(__UpperCamelCase     )     )
            _UpperCAmelCase          =   filename[: max_length - len(__UpperCamelCase     ) - 8] + """...""" + hashed_filename + """.lock"""
            return os.path.join(__UpperCamelCase     ,					__UpperCamelCase     )
        else:
            return path







class 		a_						( _UpperCAmelCase	):







    def __init__(			self			:       Optional[Any]     ,					__UpperCamelCase			:       Optional[Any]     ,					__UpperCamelCase			:       Tuple=-1     ,					__UpperCamelCase			:       Dict=None     )		->int:






        '''simple docstring'''






        from .file_utils import relative_to_absolute_path

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







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






        '''simple docstring'''






        _UpperCAmelCase          =   os.O_RDWR | os.O_CREAT | os.O_TRUNC

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







    def      _snake_case					(			self			:       Tuple     )		->Tuple:






        '''simple docstring'''






        _UpperCAmelCase          =   self._lock_file_fd
        _UpperCAmelCase          =   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 		a_						( _UpperCAmelCase	):







    def __init__(			self			:       Any     ,					__UpperCamelCase			:       Any     ,					__UpperCamelCase			:       Tuple=-1     ,					__UpperCamelCase			:       Union[str, Any]=None     )		->Any:






        '''simple docstring'''






        _UpperCAmelCase          =   os.statvfs(os.path.dirname(__UpperCamelCase     )     ).f_namemax
        super().__init__(__UpperCamelCase     ,					timeout=__UpperCamelCase     ,					max_filename_length=__UpperCamelCase     )







    def      _snake_case					(			self			:       Optional[Any]     )		->Tuple:






        '''simple docstring'''






        _UpperCAmelCase          =   os.O_RDWR | os.O_CREAT | os.O_TRUNC
        _UpperCAmelCase          =   os.open(self._lock_file     ,					__UpperCamelCase     )

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







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






        '''simple docstring'''






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







class 		a_						( _UpperCAmelCase	):







    def      _snake_case					(			self			:       List[Any]     )		->Optional[Any]:






        '''simple docstring'''






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







    def      _snake_case					(			self			:       str     )		->List[str]:






        '''simple docstring'''






        os.close(self._lock_file_fd     )
        _UpperCAmelCase          =   None

        try:
            os.remove(self._lock_file     )
        # The file is already deleted and that's what we want.
        except OSError:
            pass
        return None







a					:	str							=		None

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

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

"""simple docstring"""



from typing import TYPE_CHECKING

from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


a					:	Tuple							=		{
    '''configuration_pegasus_x''': ['''PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP''', '''PegasusXConfig'''],
}

try:
 if not is_torch_available():
  raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
 pass
else:
 a					:	List[str]							=		[
     '''PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST''',
     '''PegasusXForConditionalGeneration''',
     '''PegasusXModel''',
     '''PegasusXPreTrainedModel''',
 ]


if TYPE_CHECKING:
 from .configuration_pegasus_x import PEGASUS_X_PRETRAINED_CONFIG_ARCHIVE_MAP, PegasusXConfig

 try:
  if not is_torch_available():
   raise OptionalDependencyNotAvailable()
 except OptionalDependencyNotAvailable:
  pass
 else:
  from .modeling_pegasus_x import (
      PEGASUS_X_PRETRAINED_MODEL_ARCHIVE_LIST,
      PegasusXForConditionalGeneration,
      PegasusXModel,
      PegasusXPreTrainedModel,
  )


else:
 import sys

 a					:	Dict							=		_LazyModule(__name__, globals()['''__file__'''], _import_structure, module_spec=__spec__)