

import logging
import os
import threading
import time


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

try:
					import msvcrt
except ImportError:
					_UpperCAmelCase		:       int						    =	None

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


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


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

_UpperCAmelCase		:       Optional[int]						    =	"""3.0.12"""


_UpperCAmelCase		:       Any						    =	None





def  __lowerCamelCase     (			):







							'''simple docstring'''






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







class 			lowercase    (	lowercase_      ):




				def __init__( self				,       snake_case	):
											snake_case_          =   lock_file
											return None




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







class 			lowercase    :




				def __init__( self				,       snake_case	):
											snake_case_          =   lock
											return None




				def __enter__( self	):
											return self.lock




				def __exit__( self				,       snake_case				,       snake_case				,       snake_case	):
											self.lock.release()
											return None







class 			lowercase    :




				def __init__( self				,       snake_case				,       snake_case=-1				,       snake_case=None	):
											snake_case_          =   max_filename_length if max_filename_length is not None else 255
											# Hash the filename if it's too long
											snake_case_          =   self.hash_filename_if_too_long(snake_case				,       snake_case	)
											# 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    a							( self	):
											return self._lock_file




				@property
				def    a							( self	):
											return self._timeout




				@timeout.setter
				def    a							( self				,       snake_case	):
											snake_case_          =   float(snake_case	)
											return None




				def    a							( self	):
											raise NotImplementedError()




				def    a							( self	):
											raise NotImplementedError()




				@property
				def    a							( self	):
											return self._lock_file_fd is not None




				def    a							( self				,       snake_case=None				,       snake_case=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(snake_case	)
											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    a							( self				,       snake_case=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	):
											self.acquire()
											return self




				def __exit__( self				,       snake_case				,       snake_case				,       snake_case	):
											self.release()
											return None




				def __del__( self	):
											self.release(force=snake_case	)
											return None




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







class 			lowercase    (	lowercase_      ):




				def __init__( self				,       snake_case				,       snake_case=-1				,       snake_case=None	):
											from .file_utils import relative_to_absolute_path

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




				def    a							( self	):
											snake_case_          =   os.O_RDWR | os.O_CREAT | os.O_TRUNC

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




				def    a							( self	):
											snake_case_          =   self._lock_file_fd
											snake_case_          =   None
											msvcrt.locking(snake_case				,       msvcrt.LK_UNLCK				,       1	)
											os.close(snake_case	)

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







class 			lowercase    (	lowercase_      ):




				def __init__( self				,       snake_case				,       snake_case=-1				,       snake_case=None	):
											snake_case_          =   os.statvfs(os.path.dirname(snake_case	)	).f_namemax
											super().__init__(snake_case				,       timeout=snake_case				,       max_filename_length=snake_case	)




				def    a							( self	):
											snake_case_          =   os.O_RDWR | os.O_CREAT | os.O_TRUNC
											snake_case_          =   os.open(self._lock_file				,       snake_case	)

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




				def    a							( self	):
											# 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(snake_case				,       fcntl.LOCK_UN	)
											os.close(snake_case	)
											return None







class 			lowercase    (	lowercase_      ):




				def    a							( self	):
											snake_case_          =   os.O_WRONLY | os.O_CREAT | os.O_EXCL | os.O_TRUNC
											try:
																		snake_case_          =   os.open(self._lock_file				,       snake_case	)
											except OSError:
																		pass
											else:
																		snake_case_          =   fd
											return None




				def    a							( self	):
											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



_UpperCAmelCase		:       str						    =	None

if msvcrt:
					_UpperCAmelCase		:       List[Any]						    =	WindowsFileLock
elif fcntl:
					_UpperCAmelCase		:       Optional[int]						    =	UnixFileLock
else:
					_UpperCAmelCase		:       List[Any]						    =	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_tf_available,
    is_torch_available,
    is_vision_available,
)


_UpperCAmelCase		:       Dict						    =	{
    """configuration_blip""": [
        """BLIP_PRETRAINED_CONFIG_ARCHIVE_MAP""",
        """BlipConfig""",
        """BlipTextConfig""",
        """BlipVisionConfig""",
    ],
    """processing_blip""": ["""BlipProcessor"""],
}

try:
					if not is_vision_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					_UpperCAmelCase		:       Optional[int]						    =	["""BlipImageProcessor"""]


try:
					if not is_torch_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					_UpperCAmelCase		:       Any						    =	[
					    """BLIP_PRETRAINED_MODEL_ARCHIVE_LIST""",
					    """BlipModel""",
					    """BlipPreTrainedModel""",
					    """BlipForConditionalGeneration""",
					    """BlipForQuestionAnswering""",
					    """BlipVisionModel""",
					    """BlipTextModel""",
					    """BlipForImageTextRetrieval""",
					]

try:
					if not is_tf_available():
										raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
					pass
else:
					_UpperCAmelCase		:       Any						    =	[
					    """TF_BLIP_PRETRAINED_MODEL_ARCHIVE_LIST""",
					    """TFBlipModel""",
					    """TFBlipPreTrainedModel""",
					    """TFBlipForConditionalGeneration""",
					    """TFBlipForQuestionAnswering""",
					    """TFBlipVisionModel""",
					    """TFBlipTextModel""",
					    """TFBlipForImageTextRetrieval""",
					]

if TYPE_CHECKING:
					from .configuration_blip import BLIP_PRETRAINED_CONFIG_ARCHIVE_MAP, BlipConfig, BlipTextConfig, BlipVisionConfig
					from .processing_blip import BlipProcessor

					try:
										if not is_vision_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .image_processing_blip import BlipImageProcessor

					try:
										if not is_torch_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .modeling_blip import (
										    BLIP_PRETRAINED_MODEL_ARCHIVE_LIST,
										    BlipForConditionalGeneration,
										    BlipForImageTextRetrieval,
										    BlipForQuestionAnswering,
										    BlipModel,
										    BlipPreTrainedModel,
										    BlipTextModel,
										    BlipVisionModel,
										)

					try:
										if not is_tf_available():
															raise OptionalDependencyNotAvailable()
					except OptionalDependencyNotAvailable:
										pass
					else:
										from .modeling_tf_blip import (
										    TF_BLIP_PRETRAINED_MODEL_ARCHIVE_LIST,
										    TFBlipForConditionalGeneration,
										    TFBlipForImageTextRetrieval,
										    TFBlipForQuestionAnswering,
										    TFBlipModel,
										    TFBlipPreTrainedModel,
										    TFBlipTextModel,
										    TFBlipVisionModel,
										)

else:
					import sys

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




