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


_lowerCamelCase					:   int							=		get_logger(__name__)


class 						lowercase    :




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



												'''simple docstring'''

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




							def 	__snake_case(						self   :					List[Any]	,							_UpperCamelCase   :					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"
												SCREAMING_SNAKE_CASE    			=       os.path.abspath(_UpperCamelCase      )
												return os.path.join(self.extract_dir	,							hash_url_to_filename(_UpperCamelCase      )      )




							def 	__snake_case(						self   :					Any	,							_UpperCamelCase   :					str	,							_UpperCamelCase   :					bool      )					->				bool:



												'''simple docstring'''

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





							def 	__snake_case(						self   :					Tuple	,							_UpperCamelCase   :					str	,							_UpperCamelCase   :					bool = False      )					->				str:



												'''simple docstring'''

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



class 						lowercase    (     a     ):




							@classmethod
							@abstractmethod
							def 	__snake_case(						cls   :					str	,							_UpperCamelCase   :					Union[Path, str]	,							**_UpperCamelCase   :					Dict      )					->				bool:



												'''simple docstring'''

												...





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



												'''simple docstring'''

												...



class 						lowercase    (     a				,       a     ):
							lowercase__						:       List[bytes]								=							[]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					int      )					->				Tuple:



												'''simple docstring'''

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





							@classmethod
							def 	__snake_case(						cls   :					Optional[int]	,							_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					bytes = b""      )					->				bool:



												'''simple docstring'''

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



class 						lowercase    (     a     ):




							@classmethod
							def 	__snake_case(						cls   :					Dict	,							_UpperCamelCase   :					Union[Path, str]	,							**_UpperCamelCase   :					List[Any]      )					->				bool:



												'''simple docstring'''

												return tarfile.is_tarfile(_UpperCamelCase      )




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Tuple	,							_UpperCamelCase   :					Union[str, Any]      )					->				Optional[int]:



												'''simple docstring'''

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

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

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

												SCREAMING_SNAKE_CASE    			=       resolved(_UpperCamelCase      )

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





							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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



class 						lowercase    (     a     ):
							lowercase__						:       Union[str, Any]								=							[B"""\x1F\x8B"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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



class 						lowercase    (     a     ):
							lowercase__						:       Tuple								=							[
							    B"""PK\x03\x04""",
							    B"""PK\x05\x06""",  # empty archive
							    B"""PK\x07\x08""",  # spanned archive
							]




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



												'''simple docstring'''

												if super().is_extractable(_UpperCamelCase	,							magic_number=_UpperCamelCase      ):
																	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(_UpperCamelCase	,							"rb"      ) as fp:
																						SCREAMING_SNAKE_CASE    			=       _EndRecData(_UpperCamelCase      )
																						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:
																																					SCREAMING_SNAKE_CASE    			=       fp.read(_UpperCamelCase      )  # CD is where we expect it to be
																																					if len(_UpperCamelCase      ) == sizeCentralDir:
																																										SCREAMING_SNAKE_CASE    			=       struct.unpack(_UpperCamelCase	,							_UpperCamelCase      )  # 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 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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



class 						lowercase    (     a     ):
							lowercase__						:       Any								=							[B"""\xFD\x37\x7A\x58\x5A\x00"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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



class 						lowercase    (     a     ):
							lowercase__						:       Union[str, Any]								=							[B"""Rar!\x1a\x07\x00""", B"""Rar!\x1a\x07\x01\x00"""]  # RAR_ID  # RAR5_ID




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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

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



class 						lowercase    (     a     ):
							lowercase__						:       int								=							[B"""\x28\xb5\x2F\xFD"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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

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



class 						lowercase    (     a     ):
							lowercase__						:       Optional[Any]								=							[B"""\x42\x5A\x68"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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



class 						lowercase    (     a     ):
							lowercase__						:       Union[str, Any]								=							[B"""\x37\x7A\xBC\xAF\x27\x1C"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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

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



class 						lowercase    (     a     ):
							lowercase__						:       Union[str, Any]								=							[B"""\x04\x22\x4D\x18"""]




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					Union[Path, str]      )					->				None:



												'''simple docstring'''

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

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



class 						lowercase    :
							#  Put zip file to the last, b/c it is possible wrongly detected as zip (I guess it means: as tar or gzip)
							lowercase__						:       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 	__snake_case(						cls   :					Any      )					->				List[str]:



												'''simple docstring'''

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




							@staticmethod
							def 	__snake_case(						_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					int      )					->				str:



												'''simple docstring'''

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




							@classmethod
							def 	__snake_case(						cls   :					Optional[int]	,							_UpperCamelCase   :					Union[Path, str]	,							_UpperCamelCase   :					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=_UpperCamelCase	,							)
												SCREAMING_SNAKE_CASE    			=       cls.infer_extractor_format(_UpperCamelCase      )
												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 	__snake_case(						cls   :					Optional[Any]	,							_UpperCamelCase   :					Union[Path, str]      )					->				str:  # <Added version="2.4.0"/>



												'''simple docstring'''

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





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



												'''simple docstring'''

												os.makedirs(os.path.dirname(_UpperCamelCase      )	,							exist_ok=_UpperCamelCase      )
												# Prevent parallel extractions
												SCREAMING_SNAKE_CASE    			=       str(Path(_UpperCamelCase      ).with_suffix(".lock"      )      )
												with FileLock(_UpperCamelCase      ):
																	shutil.rmtree(_UpperCamelCase	,							ignore_errors=_UpperCamelCase      )
																	if extractor_format or extractor != "deprecated":
																						if extractor != "deprecated" or not isinstance(_UpperCamelCase	,							_UpperCamelCase      ):  # 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=_UpperCamelCase	,							)
																											SCREAMING_SNAKE_CASE    			=       extractor if extractor != "deprecated" else extractor_format
																						else:
																											SCREAMING_SNAKE_CASE    			=       cls.extractors[extractor_format]
																						return extractor.extract(_UpperCamelCase	,							_UpperCamelCase      )
																	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=_UpperCamelCase	,							)
																						for extractor in cls.extractors.values():
																											if extractor.is_extractable(_UpperCamelCase      ):
																																return extractor.extract(_UpperCamelCase	,							_UpperCamelCase      )





def 	__lowerCamelCase							(UpperCAmelCase__     :							int  ):
					assert isinstance(UpperCAmelCase__      , UpperCAmelCase__  ), F"The input value of [n={number}] is not an integer"

					if number == 1:
										return 2
					elif number < 1:
										SCREAMING_SNAKE_CASE    			=       F"The input value of [n={number}] has to be > 0"
										raise ValueError(UpperCAmelCase__  )
					else:
										SCREAMING_SNAKE_CASE    			=       sylvester(number - 1  )
										SCREAMING_SNAKE_CASE    			=       num - 1
										SCREAMING_SNAKE_CASE    			=       num
										return lower * upper + 1


if __name__ == "__main__":
							print(f"""The 8th number in Sylvester's sequence: {sylvester(8)}""")




