import logging
import os
import threading
import time


try:
    import warnings
except ImportError:
    lowerCAmelCase__     						=			None

try:
    import msvcrt
except ImportError:
    lowerCAmelCase__     						=			None

try:
    import fcntl
except ImportError:
    lowerCAmelCase__     						=			None


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


# Data
# ------------------------------------------------
lowerCAmelCase__     						=			[
    'Timeout',
    'BaseFileLock',
    'WindowsFileLock',
    'UnixFileLock',
    'SoftFileLock',
    'FileLock',
]

lowerCAmelCase__     						=			'3.0.12'


lowerCAmelCase__     						=			None






def 				__lowerCamelCase		(						):
       global _logger
       lowerCAmelCase__					     = _logger or logging.getLogger(__name__     )
       return _logger
class     a_			(						SCREAMING_SNAKE_CASE						):






 '''simple docstring'''






 def __init__(      self :  Optional[Any]      ,   lowercase__ :  int):







        '''simple docstring'''



        lowerCAmelCase__					     = lock_file
        return None




 def __str__(      self :  Tuple):







        '''simple docstring'''



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






class     a_			:






 '''simple docstring'''






 def __init__(      self :  Dict      ,   lowercase__ :  Union[str, Any]):







        '''simple docstring'''



        lowerCAmelCase__					     = lock
        return None




 def __enter__(      self :  List[str]):







        '''simple docstring'''



        return self.lock




 def __exit__(      self :  Dict      ,   lowercase__ :  Optional[int]      ,   lowercase__ :  Any      ,   lowercase__ :  int):







        '''simple docstring'''



        self.lock.release()
        return None






class     a_			:






 '''simple docstring'''






 def __init__(      self :  Any      ,   lowercase__ :  Any      ,   lowercase__ :  Optional[Any]=-1      ,   lowercase__ :  str=None):







        '''simple docstring'''



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

        # The default timeout value.
        lowerCAmelCase__					     = timeout

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




 @property
 def 		__snake_case						(      self :  int):







        '''simple docstring'''



        return self._lock_file




 @property
 def 		__snake_case						(      self :  List[str]):







        '''simple docstring'''



        return self._timeout




 @timeout.setter
 def 		__snake_case						(      self :  str      ,   lowercase__ :  List[str]):







        '''simple docstring'''



        lowerCAmelCase__					     = float(lowercase__)
        return None




 def 		__snake_case						(      self :  Optional[Any]):







        '''simple docstring'''



        raise NotImplementedError()




 def 		__snake_case						(      self :  Any):







        '''simple docstring'''



        raise NotImplementedError()




 @property
 def 		__snake_case						(      self :  Tuple):







        '''simple docstring'''



        return self._lock_file_fd is not None




 def 		__snake_case						(      self :  int      ,   lowercase__ :  int=None      ,   lowercase__ :  int=0.05):







        '''simple docstring'''



        if timeout is None:
               lowerCAmelCase__					     = 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

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

               raise
        return _Acquire_ReturnProxy(lock=self)




 def 		__snake_case						(      self :  List[str]      ,   lowercase__ :  Dict=False):







        '''simple docstring'''



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

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

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

        return None




 def __enter__(      self :  str):







        '''simple docstring'''



        self.acquire()
        return self




 def __exit__(      self :  Dict      ,   lowercase__ :  Dict      ,   lowercase__ :  Tuple      ,   lowercase__ :  Optional[int]):







        '''simple docstring'''



        self.release()
        return None




 def __del__(      self :  List[str]):







        '''simple docstring'''



        self.release(force=lowercase__)
        return None




 def 		__snake_case						(      self :  Dict      ,   lowercase__ :  str      ,   lowercase__ :  int):







        '''simple docstring'''



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






class     a_			(						SCREAMING_SNAKE_CASE						):






 '''simple docstring'''






 def __init__(      self :  str      ,   lowercase__ :  Tuple      ,   lowercase__ :  List[str]=-1      ,   lowercase__ :  List[Any]=None):







        '''simple docstring'''



        from .file_utils import relative_to_absolute_path

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




 def 		__snake_case						(      self :  List[Any]):







        '''simple docstring'''



        lowerCAmelCase__					     = os.O_RDWR | os.O_CREAT | os.O_TRUNC

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




 def 		__snake_case						(      self :  Dict):







        '''simple docstring'''



        lowerCAmelCase__					     = self._lock_file_fd
        lowerCAmelCase__					     = None
        msvcrt.locking(lowercase__      ,   msvcrt.LK_UNLCK      ,   1)
        os.close(lowercase__)

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






class     a_			(						SCREAMING_SNAKE_CASE						):






 '''simple docstring'''






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







        '''simple docstring'''



        lowerCAmelCase__					     = os.statvfs(os.path.dirname(lowercase__)).f_namemax
        super().__init__(lowercase__      ,   timeout=lowercase__      ,   max_filename_length=lowercase__)




 def 		__snake_case						(      self :  Any):







        '''simple docstring'''



        lowerCAmelCase__					     = os.O_RDWR | os.O_CREAT | os.O_TRUNC
        lowerCAmelCase__					     = os.open(self._lock_file      ,   lowercase__)

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




 def 		__snake_case						(      self :  List[Any]):







        '''simple docstring'''



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






class     a_			(						SCREAMING_SNAKE_CASE						):






 '''simple docstring'''






 def 		__snake_case						(      self :  int):







        '''simple docstring'''



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




 def 		__snake_case						(      self :  List[str]):







        '''simple docstring'''



        os.close(self._lock_file_fd)
        lowerCAmelCase__					     = None

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






lowerCAmelCase__     						=			None

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

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

from typing import TYPE_CHECKING

from ...utils import (
    OptionalDependencyNotAvailable,
    _LazyModule,
    is_flax_available,
    is_sentencepiece_available,
    is_tf_available,
    is_tokenizers_available,
    is_torch_available,
)


if is_sentencepiece_available():
    from ..ta.tokenization_ta import TaTokenizer
else:
    from ...utils.dummy_sentencepiece_objects import TaTokenizer

lowerCAmelCase__     						=			TaTokenizer

if is_tokenizers_available():
    from ..ta.tokenization_ta_fast import TaTokenizerFast
else:
    from ...utils.dummy_tokenizers_objects import TaTokenizerFast

lowerCAmelCase__     						=			TaTokenizerFast

lowerCAmelCase__     						=			{'configuration_mt5': ['MT5Config', 'MT5OnnxConfig']}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase__     						=			[
        'MT5EncoderModel',
        'MT5ForConditionalGeneration',
        'MT5ForQuestionAnswering',
        'MT5Model',
        'MT5PreTrainedModel',
        'MT5Stack',
    ]

try:
    if not is_tf_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase__     						=			['TFMT5EncoderModel', 'TFMT5ForConditionalGeneration', 'TFMT5Model']

try:
    if not is_flax_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    lowerCAmelCase__     						=			['FlaxMT5EncoderModel', 'FlaxMT5ForConditionalGeneration', 'FlaxMT5Model']


if TYPE_CHECKING:
    from .configuration_mta import MTaConfig, MTaOnnxConfig

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_mta import (
            MTaEncoderModel,
            MTaForConditionalGeneration,
            MTaForQuestionAnswering,
            MTaModel,
            MTaPreTrainedModel,
            MTaStack,
        )

    try:
        if not is_tf_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_tf_mta import TFMTaEncoderModel, TFMTaForConditionalGeneration, TFMTaModel

    try:
        if not is_flax_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_flax_mta import FlaxMTaEncoderModel, FlaxMTaForConditionalGeneration, FlaxMTaModel

else:
    import sys

    lowerCAmelCase__     						=			_LazyModule(
        __name__,
        globals()['__file__'],
        _import_structure,
        extra_objects={'MT5Tokenizer': MTaTokenizer, 'MT5TokenizerFast': MTaTokenizerFast},
        module_spec=__spec__,
    )
