


import bza
import gzip
import lzma
import os
import shutil
import struct
import tarfile
import warnings
import zipfile
from abc import ABC, abstractmethod
from pathlib import Path
from typing import Dict, List, Optional, Type, Union

from .. import config
from .filelock import FileLock
from .logging import get_logger


A				:       List[Any]      =  get_logger(__name__)






class      UpperCamelCase:


					def __init__(    self						:		List[Any]  ,     SCREAMING_SNAKE_CASE						:		Optional[str] = None    )      ->						Optional[int]:




											'''simple docstring'''

											__snake_case				=		(
											    os.path.join(SCREAMING_SNAKE_CASE  ,     config.EXTRACTED_DATASETS_DIR    ) if cache_dir else config.EXTRACTED_DATASETS_PATH
											)
											__snake_case				=		Extractor


					def 				SCREAMING_SNAKE_CASE_	(    self						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		str    )      ->						str:




											'''simple docstring'''

											from .file_utils import hash_url_to_filename

											# Path where we extract compressed archives
											# We extract in the cache dir, and get the extracted path name by hashing the original path"
											__snake_case				=		os.path.abspath(SCREAMING_SNAKE_CASE    )
											return os.path.join(self.extract_dir  ,     hash_url_to_filename(SCREAMING_SNAKE_CASE    )    )


					def 				SCREAMING_SNAKE_CASE_	(    self						:		str  ,     SCREAMING_SNAKE_CASE						:		str  ,     SCREAMING_SNAKE_CASE						:		bool    )      ->						bool:




											'''simple docstring'''

											return force_extract or (
											    not os.path.isfile(SCREAMING_SNAKE_CASE    ) and not (os.path.isdir(SCREAMING_SNAKE_CASE    ) and os.listdir(SCREAMING_SNAKE_CASE    ))
											)






					def 				SCREAMING_SNAKE_CASE_	(    self						:		Optional[int]  ,     SCREAMING_SNAKE_CASE						:		str  ,     SCREAMING_SNAKE_CASE						:		bool = False    )      ->						str:




											'''simple docstring'''

											__snake_case				=		self.extractor.infer_extractor_format(SCREAMING_SNAKE_CASE    )
											if not extractor_format:
																	return input_path
											__snake_case				=		self._get_output_path(SCREAMING_SNAKE_CASE    )
											if self._do_extract(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    ):
																	self.extractor.extract(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
											return output_path






class      UpperCamelCase(	_a ):


					@classmethod
					@abstractmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     **SCREAMING_SNAKE_CASE						:		int    )      ->						bool:




											'''simple docstring'''

											...






					@staticmethod
					@abstractmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											...






class      UpperCamelCase(	_a  ,				_a ):
					snake_case_		:					List[bytes]    					=						[]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		int    )      ->						Optional[int]:




											'''simple docstring'''

											with open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as f:
																	return f.read(SCREAMING_SNAKE_CASE    )






					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Tuple  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		bytes = b""    )      ->						bool:




											'''simple docstring'''

											if not magic_number:
																	__snake_case				=		max(len(SCREAMING_SNAKE_CASE    ) for cls_magic_number in cls.magic_numbers    )
																	try:
																							__snake_case				=		cls.read_magic_number(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
																	except OSError:
																							return False
											return any(magic_number.startswith(SCREAMING_SNAKE_CASE    ) for cls_magic_number in cls.magic_numbers    )






class      UpperCamelCase(	_a ):


					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		int  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     **SCREAMING_SNAKE_CASE						:		Any    )      ->						bool:




											'''simple docstring'''

											return tarfile.is_tarfile(SCREAMING_SNAKE_CASE    )


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		int    )      ->						Optional[int]:




											'''simple docstring'''

											def resolved(SCREAMING_SNAKE_CASE						:		str    ) -> str:
																	return os.path.realpath(os.path.abspath(SCREAMING_SNAKE_CASE    )    )

											def badpath(SCREAMING_SNAKE_CASE						:		str  ,     SCREAMING_SNAKE_CASE						:		str    ) -> bool:
																	# joinpath will ignore base if path is absolute
																	return not resolved(os.path.join(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )    ).startswith(SCREAMING_SNAKE_CASE    )

											def badlink(SCREAMING_SNAKE_CASE						:		Optional[Any]  ,     SCREAMING_SNAKE_CASE						:		str    ) -> bool:
																	# Links are interpreted relative to the directory containing the link
																	__snake_case				=		resolved(os.path.join(SCREAMING_SNAKE_CASE  ,     os.path.dirname(info.name    )    )    )
																	return badpath(info.linkname  ,     base=SCREAMING_SNAKE_CASE    )

											__snake_case				=		resolved(SCREAMING_SNAKE_CASE    )

											for finfo in members:
																	if badpath(finfo.name  ,     SCREAMING_SNAKE_CASE    ):
																							logger.error(f'''Extraction of {finfo.name} is blocked (illegal path)'''    )
																	elif finfo.issym() and badlink(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    ):
																							logger.error(f'''Extraction of {finfo.name} is blocked: Symlink to {finfo.linkname}'''    )
																	elif finfo.islnk() and badlink(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    ):
																							logger.error(f'''Extraction of {finfo.name} is blocked: Hard link to {finfo.linkname}'''    )
																	else:
																							yield finfo






					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											os.makedirs(SCREAMING_SNAKE_CASE  ,     exist_ok=SCREAMING_SNAKE_CASE    )
											__snake_case				=		tarfile.open(SCREAMING_SNAKE_CASE    )
											tar_file.extractall(SCREAMING_SNAKE_CASE  ,     members=TarExtractor.safemembers(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )    )
											tar_file.close()






class      UpperCamelCase(	_a ):
					snake_case_		:					int    					=						[B"""\x1F\x8B"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											with gzip.open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as gzip_file:
																	with open(SCREAMING_SNAKE_CASE  ,     "wb"    ) as extracted_file:
																							shutil.copyfileobj(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )






class      UpperCamelCase(	_a ):
					snake_case_		:					Union[str, Any]    					=						[
					    B"""PK\x03\x04""",
					    B"""PK\x05\x06""",  # empty archive
					    B"""PK\x07\x08""",  # spanned archive
					]


					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Any  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		bytes = b""    )      ->						bool:




											'''simple docstring'''

											if super().is_extractable(SCREAMING_SNAKE_CASE  ,     magic_number=SCREAMING_SNAKE_CASE    ):
																	return True
											try:
																	# Alternative version of zipfile.is_zipfile that has less false positives, but misses executable zip archives.
																	# From: https://github.com/python/cpython/pull/5053
																	from zipfile import (
																	    _CD_SIGNATURE,
																	    _ECD_DISK_NUMBER,
																	    _ECD_DISK_START,
																	    _ECD_ENTRIES_TOTAL,
																	    _ECD_OFFSET,
																	    _ECD_SIZE,
																	    _EndRecData,
																	    sizeCentralDir,
																	    stringCentralDir,
																	    structCentralDir,
																	)

																	with open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as fp:
																							__snake_case				=		_EndRecData(SCREAMING_SNAKE_CASE    )
																							if endrec:
																													if endrec[_ECD_ENTRIES_TOTAL] == 0 and endrec[_ECD_SIZE] == 0 and endrec[_ECD_OFFSET] == 0:
																																			return True  # Empty zipfiles are still zipfiles
																													elif endrec[_ECD_DISK_NUMBER] == endrec[_ECD_DISK_START]:
																																			fp.seek(endrec[_ECD_OFFSET]    )  # Central directory is on the same disk
																																			if fp.tell() == endrec[_ECD_OFFSET] and endrec[_ECD_SIZE] >= sizeCentralDir:
																																									__snake_case				=		fp.read(SCREAMING_SNAKE_CASE    )  # CD is where we expect it to be
																																									if len(SCREAMING_SNAKE_CASE    ) == sizeCentralDir:
																																															__snake_case				=		struct.unpack(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )  # CD is the right size
																																															if centdir[_CD_SIGNATURE] == stringCentralDir:
																																																					return True  # First central directory entry  has correct magic number
																	return False
											except Exception:  # catch all errors in case future python versions change the zipfile internals
																	return False






					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											os.makedirs(SCREAMING_SNAKE_CASE  ,     exist_ok=SCREAMING_SNAKE_CASE    )
											with zipfile.ZipFile(SCREAMING_SNAKE_CASE  ,     "r"    ) as zip_file:
																	zip_file.extractall(SCREAMING_SNAKE_CASE    )
																	zip_file.close()






class      UpperCamelCase(	_a ):
					snake_case_		:					List[Any]    					=						[B"""\xFD\x37\x7A\x58\x5A\x00"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											with lzma.open(SCREAMING_SNAKE_CASE    ) as compressed_file:
																	with open(SCREAMING_SNAKE_CASE  ,     "wb"    ) as extracted_file:
																							shutil.copyfileobj(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )






class      UpperCamelCase(	_a ):
					snake_case_		:					Union[str, Any]    					=						[B"""Rar!\x1a\x07\x00""", B"""Rar!\x1a\x07\x01\x00"""]  # RAR_ID  # RAR5_ID


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											if not config.RARFILE_AVAILABLE:
																	raise ImportError("Please pip install rarfile"    )
											import rarfile

											os.makedirs(SCREAMING_SNAKE_CASE  ,     exist_ok=SCREAMING_SNAKE_CASE    )
											__snake_case				=		rarfile.RarFile(SCREAMING_SNAKE_CASE    )
											rf.extractall(SCREAMING_SNAKE_CASE    )
											rf.close()






class      UpperCamelCase(	_a ):
					snake_case_		:					Any    					=						[B"""\x28\xb5\x2F\xFD"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											if not config.ZSTANDARD_AVAILABLE:
																	raise ImportError("Please pip install zstandard"    )
											import zstandard as zstd

											__snake_case				=		zstd.ZstdDecompressor()
											with open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as ifh, open(SCREAMING_SNAKE_CASE  ,     "wb"    ) as ofh:
																	dctx.copy_stream(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )






class      UpperCamelCase(	_a ):
					snake_case_		:					Optional[Any]    					=						[B"""\x42\x5A\x68"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											with bza.open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as compressed_file:
																	with open(SCREAMING_SNAKE_CASE  ,     "wb"    ) as extracted_file:
																							shutil.copyfileobj(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )






class      UpperCamelCase(	_a ):
					snake_case_		:					List[Any]    					=						[B"""\x37\x7A\xBC\xAF\x27\x1C"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											if not config.PY7ZR_AVAILABLE:
																	raise ImportError("Please pip install py7zr"    )
											import pyazr

											os.makedirs(SCREAMING_SNAKE_CASE  ,     exist_ok=SCREAMING_SNAKE_CASE    )
											with pyazr.SevenZipFile(SCREAMING_SNAKE_CASE  ,     "r"    ) as archive:
																	archive.extractall(SCREAMING_SNAKE_CASE    )






class      UpperCamelCase(	_a ):
					snake_case_		:					Union[str, Any]    					=						[B"""\x04\x22\x4D\x18"""]


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						None:




											'''simple docstring'''

											if not config.LZ4_AVAILABLE:
																	raise ImportError("Please pip install lz4"    )
											import lza.frame

											with lza.frame.open(SCREAMING_SNAKE_CASE  ,     "rb"    ) as compressed_file:
																	with open(SCREAMING_SNAKE_CASE  ,     "wb"    ) as extracted_file:
																							shutil.copyfileobj(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )






class      UpperCamelCase:
					#  Put zip file to the last, b/c it is possible wrongly detected as zip (I guess it means: as tar or gzip)
					snake_case_		:					Dict[str, Type[BaseExtractor]]    					=						{
					    "tar": TarExtractor,
					    "gzip": GzipExtractor,
					    "zip": ZipExtractor,
					    "xz": XzExtractor,
					    "rar": RarExtractor,
					    "zstd": ZstdExtractor,
					    "bz2": BzipaExtractor,
					    "7z": SevenZipExtractor,  # <Added version="2.4.0"/>
					    "lz4": LzaExtractor,  # <Added version="2.4.0"/>
					}


					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Union[str, Any]    )      ->						Any:




											'''simple docstring'''

											return max(
											    len(SCREAMING_SNAKE_CASE    )
											    for extractor in cls.extractors.values()
											    if issubclass(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
											    for extractor_magic_number in extractor.magic_numbers    )


					@staticmethod
					def 				SCREAMING_SNAKE_CASE_	(    SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		int    )      ->						List[Any]:




											'''simple docstring'''

											try:
																	return MagicNumberBaseExtractor.read_magic_number(SCREAMING_SNAKE_CASE  ,     magic_number_length=SCREAMING_SNAKE_CASE    )
											except OSError:
																	return b""


					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		bool = False    )      ->						bool:




											'''simple docstring'''

											warnings.warn(
											    "Method 'is_extractable' was deprecated in version 2.4.0 and will be removed in 3.0.0. "
											    "Use 'infer_extractor_format' instead."  ,     category=SCREAMING_SNAKE_CASE  ,     )
											__snake_case				=		cls.infer_extractor_format(SCREAMING_SNAKE_CASE    )
											if extractor_format:
																	return True if not return_extractor else (True, cls.extractors[extractor_format])
											return False if not return_extractor else (False, None)


					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]    )      ->						str:  # <Added version="2.4.0"/>




											'''simple docstring'''

											__snake_case				=		cls._get_magic_number_max_length()
											__snake_case				=		cls._read_magic_number(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
											for extractor_format, extractor in cls.extractors.items():
																	if extractor.is_extractable(SCREAMING_SNAKE_CASE  ,     magic_number=SCREAMING_SNAKE_CASE    ):
																							return extractor_format






					@classmethod
					def 				SCREAMING_SNAKE_CASE_	(    cls						:		Union[str, Any]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Union[Path, str]  ,     SCREAMING_SNAKE_CASE						:		Optional[str] = None  ,     SCREAMING_SNAKE_CASE						:		Optional[BaseExtractor] = "deprecated"  ,     )      ->						None:




											'''simple docstring'''

											os.makedirs(os.path.dirname(SCREAMING_SNAKE_CASE    )  ,     exist_ok=SCREAMING_SNAKE_CASE    )
											# Prevent parallel extractions
											__snake_case				=		str(Path(SCREAMING_SNAKE_CASE    ).with_suffix(".lock"    )    )
											with FileLock(SCREAMING_SNAKE_CASE    ):
																	shutil.rmtree(SCREAMING_SNAKE_CASE  ,     ignore_errors=SCREAMING_SNAKE_CASE    )
																	if extractor_format or extractor != "deprecated":
																							if extractor != "deprecated" or not isinstance(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    ):  # passed as positional arg
																													warnings.warn(
																													    "Parameter 'extractor' was deprecated in version 2.4.0 and will be removed in 3.0.0. "
																													    "Use 'extractor_format' instead."  ,     category=SCREAMING_SNAKE_CASE  ,     )
																													__snake_case				=		extractor if extractor != "deprecated" else extractor_format
																							else:
																													__snake_case				=		cls.extractors[extractor_format]
																							return extractor.extract(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )
																	else:
																							warnings.warn(
																							    "Parameter 'extractor_format' was made required in version 2.4.0 and not passing it will raise an "
																							    "exception in 3.0.0."  ,     category=SCREAMING_SNAKE_CASE  ,     )
																							for extractor in cls.extractors.values():
																													if extractor.is_extractable(SCREAMING_SNAKE_CASE    ):
																																			return extractor.extract(SCREAMING_SNAKE_CASE  ,     SCREAMING_SNAKE_CASE    )









from typing import TYPE_CHECKING

from ....utils import OptionalDependencyNotAvailable, _LazyModule, is_torch_available, is_vision_available


A				:       Optional[Any]      =  {'configuration_van': ['VAN_PRETRAINED_CONFIG_ARCHIVE_MAP', 'VanConfig']}


try:
	if not is_torch_available():
		raise OptionalDependencyNotAvailable()
except OptionalDependencyNotAvailable:
	pass
else:
	A				:       Optional[Any]      =  [
	    'VAN_PRETRAINED_MODEL_ARCHIVE_LIST',
	    'VanForImageClassification',
	    'VanModel',
	    'VanPreTrainedModel',
	]

if TYPE_CHECKING:
	from .configuration_van import VAN_PRETRAINED_CONFIG_ARCHIVE_MAP, VanConfig

	try:
		if not is_torch_available():
			raise OptionalDependencyNotAvailable()
	except OptionalDependencyNotAvailable:
		pass
	else:
		from .modeling_van import (
		    VAN_PRETRAINED_MODEL_ARCHIVE_LIST,
		    VanForImageClassification,
		    VanModel,
		    VanPreTrainedModel,
		)

else:
	import sys

	A				:       Union[str, Any]      =  _LazyModule(__name__, globals()['__file__'], _import_structure)





