





import logging
import os
import threading
import time


try:
    import warnings
except ImportError:
    _UpperCAmelCase       : str			     =       None

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

try:
    import fcntl
except ImportError:
    _UpperCAmelCase       : Tuple			     =       None


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


# Data
# ------------------------------------------------
_UpperCAmelCase       : Union[str, Any]			     =       [
    """Timeout""",
    """BaseFileLock""",
    """WindowsFileLock""",
    """UnixFileLock""",
    """SoftFileLock""",
    """FileLock""",
]

_UpperCAmelCase       : List[str]			     =       """3.0.12"""


_UpperCAmelCase       : int			     =       None


def  SCREAMING_SNAKE_CASE   ( )    ->  Dict:
    global _logger
    lowerCamelCase__					:   Dict      				=	_logger or logging.getLogger(__name__				)
    return _logger

class      lowerCAmelCase							(      __UpperCamelCase    ):
 def __init__(   self						:   List[str]    ,  UpperCAmelCase						:   List[Any]			)    ->			List[Any]:
     lowerCamelCase__					:   Union[str, Any]      				=	lock_file
     return None







 def __str__(   self						:   Tuple			)    ->			Any:
     lowerCamelCase__					:   Tuple      				=	F"""The file lock '{self.lock_file}' could not be acquired."""
     return temp


class      lowerCAmelCase							:
 def __init__(   self						:   str    ,  UpperCAmelCase						:   Union[str, Any]			)    ->			str:
     lowerCamelCase__					:   List[str]      				=	lock
     return None
 def __enter__(   self						:   Dict			)    ->			Tuple:
     return self.lock







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


class      lowerCAmelCase							:
 def __init__(   self						:   Optional[int]    ,  UpperCAmelCase						:   int    ,  UpperCAmelCase						:   Optional[int]=-1    ,  UpperCAmelCase						:   str=None			)    ->			Tuple:
     lowerCamelCase__					:   Optional[int]      				=	max_filename_length if max_filename_length is not None else 255
     # Hash the filename if it's too long
     lowerCamelCase__					:   Tuple      				=	self.hash_filename_if_too_long(UpperCAmelCase    ,  UpperCAmelCase			)
     # The path to the lock file.
     lowerCamelCase__					:   Dict      				=	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__					:   Optional[int]      				=	None

     # The default timeout value.
     lowerCamelCase__					:   Optional[Any]      				=	timeout

     # We use this lock primarily for the lock counter.
     lowerCamelCase__					:   Optional[int]      				=	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__					:   Tuple      				=	0
     return None
 @property
 def   A_			(   self						:   str			)    ->			Union[str, Any]:
     return self._lock_file
 @property
 def   A_			(   self						:   Optional[int]			)    ->			List[str]:
     return self._timeout
 @timeout.setter
 def   A_			(   self						:   Dict    ,  UpperCAmelCase						:   List[str]			)    ->			Tuple:
     lowerCamelCase__					:   Union[str, Any]      				=	float(UpperCAmelCase			)
     return None
 def   A_			(   self						:   List[Any]			)    ->			int:
     raise NotImplementedError()
 def   A_			(   self						:   Any			)    ->			Optional[Any]:
     raise NotImplementedError()
 @property
 def   A_			(   self						:   Optional[Any]			)    ->			int:
     return self._lock_file_fd is not None
 def   A_			(   self						:   str    ,  UpperCAmelCase						:   Dict=None    ,  UpperCAmelCase						:   List[Any]=0.0_5			)    ->			Optional[int]:
     # Use the default timeout, if no timeout is provided.
     if timeout is None:
         lowerCamelCase__					:   Optional[int]      				=	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__					:   Optional[int]      				=	id(self			)
     lowerCamelCase__					:   List[Any]      				=	self._lock_file
     lowerCamelCase__					:   Any      				=	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:
             lowerCamelCase__					:   List[Any]      				=	max(0    ,  self._lock_counter - 1			)

         raise
     return _Acquire_ReturnProxy(lock=self			)
 def   A_			(   self						:   Dict    ,  UpperCAmelCase						:   Optional[int]=False			)    ->			str:
     with self._thread_lock:
         if self.is_locked:
             self._lock_counter -= 1

             if self._lock_counter == 0 or force:
                 lowerCamelCase__					:   List[Any]      				=	id(self			)
                 lowerCamelCase__					:   Union[str, Any]      				=	self._lock_file

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

     return None
 def __enter__(   self						:   int			)    ->			Optional[int]:
     self.acquire()
     return self
 def __exit__(   self						:   int    ,  UpperCAmelCase						:   int    ,  UpperCAmelCase						:   str    ,  UpperCAmelCase						:   Union[str, Any]			)    ->			Optional[Any]:
     self.release()
     return None
 def __del__(   self						:   Tuple			)    ->			int:
     self.release(force=UpperCAmelCase			)
     return None







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


class      lowerCAmelCase							(      __UpperCamelCase    ):
 def __init__(   self						:   List[Any]    ,  UpperCAmelCase						:   int    ,  UpperCAmelCase						:   int=-1    ,  UpperCAmelCase						:   List[Any]=None			)    ->			List[str]:
     from .file_utils import relative_to_absolute_path

     super().__init__(UpperCAmelCase    ,  timeout=UpperCAmelCase    ,  max_filename_length=UpperCAmelCase			)
     lowerCamelCase__					:   List[str]      				=	'\\\\?\\' + relative_to_absolute_path(self.lock_file			)
 def   A_			(   self						:   Union[str, Any]			)    ->			Optional[Any]:
     lowerCamelCase__					:   str      				=	os.O_RDWR | os.O_CREAT | os.O_TRUNC

     try:
         lowerCamelCase__					:   List[str]      				=	os.open(self._lock_file    ,  UpperCAmelCase			)
     except OSError:
         pass
     else:
         try:
             msvcrt.locking(UpperCAmelCase    ,  msvcrt.LK_NBLCK    ,  1			)
         except OSError:
             os.close(UpperCAmelCase			)
         else:
             lowerCamelCase__					:   Union[str, Any]      				=	fd
     return None







 def   A_			(   self						:   List[Any]			)    ->			List[str]:
     lowerCamelCase__					:   Optional[Any]      				=	self._lock_file_fd
     lowerCamelCase__					:   Tuple      				=	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							(      __UpperCamelCase    ):
 def __init__(   self						:   Dict    ,  UpperCAmelCase						:   int    ,  UpperCAmelCase						:   Any=-1    ,  UpperCAmelCase						:   Optional[Any]=None			)    ->			str:
     lowerCamelCase__					:   int      				=	os.statvfs(os.path.dirname(UpperCAmelCase			)			).f_namemax
     super().__init__(UpperCAmelCase    ,  timeout=UpperCAmelCase    ,  max_filename_length=UpperCAmelCase			)
 def   A_			(   self						:   int			)    ->			List[str]:
     lowerCamelCase__					:   Optional[int]      				=	os.O_RDWR | os.O_CREAT | os.O_TRUNC
     lowerCamelCase__					:   Optional[Any]      				=	os.open(self._lock_file    ,  UpperCAmelCase			)

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







 def   A_			(   self						:   Any			)    ->			Any:
     # 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
     lowerCamelCase__					:   Union[str, Any]      				=	self._lock_file_fd
     lowerCamelCase__					:   Any      				=	None
     fcntl.flock(UpperCAmelCase    ,  fcntl.LOCK_UN			)
     os.close(UpperCAmelCase			)
     return None


class      lowerCAmelCase							(      __UpperCamelCase    ):
 def   A_			(   self						:   Any			)    ->			List[str]:
     lowerCamelCase__					:   Union[str, Any]      				=	os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
     try:
         lowerCamelCase__					:   Optional[Any]      				=	os.open(self._lock_file    ,  UpperCAmelCase			)
     except OSError:
         pass
     else:
         lowerCamelCase__					:   int      				=	fd
     return None







 def   A_			(   self						:   Optional[int]			)    ->			Tuple:
     os.close(self._lock_file_fd			)
     lowerCamelCase__					:   Any      				=	None

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


_UpperCAmelCase       : Any			     =       None

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

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












from typing import TYPE_CHECKING

# rely on isort to merge the imports
from ...utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available


_UpperCAmelCase       : List[str]			     =       {
    """configuration_autoformer""": [
        """AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """AutoformerConfig""",
    ],
}

try:
    if not is_torch_available():
        raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
    pass
else:
    _UpperCAmelCase       : List[Any]			     =       [
        """AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST""",
        """AutoformerForPrediction""",
        """AutoformerModel""",
        """AutoformerPreTrainedModel""",
    ]


if TYPE_CHECKING:
    from .configuration_autoformer import (
        AUTOFORMER_PRETRAINED_CONFIG_ARCHIVE_MAP,
        AutoformerConfig,
    )

    try:
        if not is_torch_available():
            raise OptionalDependencyNotAvailable()
    except OptionalDependencyNotAvailable:
        pass
    else:
        from .modeling_autoformer import (
            AUTOFORMER_PRETRAINED_MODEL_ARCHIVE_LIST,
            AutoformerForPrediction,
            AutoformerModel,
            AutoformerPreTrainedModel,
        )

else:
    import sys

    _UpperCAmelCase       : Dict			     =       _LazyModule(__name__, globals()["""__file__"""], _import_structure, module_spec=__spec__)





