






"""simple docstring"""
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_     :   Any       			=   get_logger(__name__)







class     UpperCamelCase_ :





	def __init__(   self      :				Tuple			,			lowerCAmelCase_      :				Optional[str] = None		)		->    str:
				UpperCAmelCase_  :				Optional[Any]      =      (
				    os.path.join(lowerCAmelCase_			,			config.EXTRACTED_DATASETS_DIR		) if cache_dir else config.EXTRACTED_DATASETS_PATH
				)
				UpperCAmelCase_  :				str      =      Extractor





	def   _SCREAMING_SNAKE_CASE   (   self      :				Dict			,			lowerCAmelCase_      :				str		)		->    str:
				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"
				UpperCAmelCase_  :				Optional[Any]      =      os.path.abspath(lowerCAmelCase_		)
				return os.path.join(self.extract_dir			,			hash_url_to_filename(lowerCAmelCase_		)		)





	def   _SCREAMING_SNAKE_CASE   (   self      :				Optional[int]			,			lowerCAmelCase_      :				str			,			lowerCAmelCase_      :				bool		)		->    bool:
				return force_extract or (
				    not os.path.isfile(lowerCAmelCase_		) and not (os.path.isdir(lowerCAmelCase_		) and os.listdir(lowerCAmelCase_		))
				)





	def   _SCREAMING_SNAKE_CASE   (   self      :				Tuple			,			lowerCAmelCase_      :				str			,			lowerCAmelCase_      :				bool = False		)		->    str:
				UpperCAmelCase_  :				str      =      self.extractor.infer_extractor_format(lowerCAmelCase_		)
				if not extractor_format:
							return input_path
				UpperCAmelCase_  :				Tuple      =      self._get_output_path(lowerCAmelCase_		)
				if self._do_extract(lowerCAmelCase_			,			lowerCAmelCase_		):
							self.extractor.extract(lowerCAmelCase_			,			lowerCAmelCase_			,			lowerCAmelCase_		)
				return output_path







class     UpperCamelCase_ (__A  ):





	@classmethod
	@abstractmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				int			,			lowerCAmelCase_      :				Union[Path, str]			,			**lowerCAmelCase_      :				int		)		->    bool:
				...





	@staticmethod
	@abstractmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				...







class     UpperCamelCase_ (__A       ,		__A  ):
	__magic_name__			   =       []





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				int		)		->    List[str]:
				with open(lowerCAmelCase_			,			"rb"		) as f:
							return f.read(lowerCAmelCase_		)





	@classmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				int			,			lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				bytes = b""		)		->    bool:
				if not magic_number:
							UpperCAmelCase_  :				List[Any]      =      max(len(lowerCAmelCase_		) for cls_magic_number in cls.magic_numbers		)
							try:
										UpperCAmelCase_  :				str      =      cls.read_magic_number(lowerCAmelCase_			,			lowerCAmelCase_		)
							except OSError:
										return False
				return any(magic_number.startswith(lowerCAmelCase_		) for cls_magic_number in cls.magic_numbers		)







class     UpperCamelCase_ (__A  ):





	@classmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				Dict			,			lowerCAmelCase_      :				Union[Path, str]			,			**lowerCAmelCase_      :				Any		)		->    bool:
				return tarfile.is_tarfile(lowerCAmelCase_		)





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Any			,			lowerCAmelCase_      :				Any		)		->    Optional[int]:

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

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

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

				UpperCAmelCase_  :				int      =      resolved(lowerCAmelCase_		)

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





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				os.makedirs(lowerCAmelCase_			,			exist_ok=lowerCAmelCase_		)
				UpperCAmelCase_  :				List[Any]      =      tarfile.open(lowerCAmelCase_		)
				tar_file.extractall(lowerCAmelCase_			,			members=TarExtractor.safemembers(lowerCAmelCase_			,			lowerCAmelCase_		)		)
				tar_file.close()







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\x1F\x8B''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				with gzip.open(lowerCAmelCase_			,			"rb"		) as gzip_file:
							with open(lowerCAmelCase_			,			"wb"		) as extracted_file:
										shutil.copyfileobj(lowerCAmelCase_			,			lowerCAmelCase_		)







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [
	    b'''PK\x03\x04''',
	    b'''PK\x05\x06''',  # empty archive
	    b'''PK\x07\x08''',  # spanned archive
	]





	@classmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				Dict			,			lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				bytes = b""		)		->    bool:
				if super().is_extractable(lowerCAmelCase_			,			magic_number=lowerCAmelCase_		):
							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(lowerCAmelCase_			,			"rb"		) as fp:
										UpperCAmelCase_  :				Optional[int]      =      _EndRecData(lowerCAmelCase_		)
										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:
																			UpperCAmelCase_  :				str      =      fp.read(lowerCAmelCase_		)  # CD is where we expect it to be
																			if len(lowerCAmelCase_		) == sizeCentralDir:
																						UpperCAmelCase_  :				Optional[int]      =      struct.unpack(lowerCAmelCase_			,			lowerCAmelCase_		)  # 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   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				os.makedirs(lowerCAmelCase_			,			exist_ok=lowerCAmelCase_		)
				with zipfile.ZipFile(lowerCAmelCase_			,			"r"		) as zip_file:
							zip_file.extractall(lowerCAmelCase_		)
							zip_file.close()







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\xFD\x37\x7A\x58\x5A\x00''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				with lzma.open(lowerCAmelCase_		) as compressed_file:
							with open(lowerCAmelCase_			,			"wb"		) as extracted_file:
										shutil.copyfileobj(lowerCAmelCase_			,			lowerCAmelCase_		)







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''Rar!\x1a\x07\x00''', b'''Rar!\x1a\x07\x01\x00''']  # RAR_ID  # RAR5_ID





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				if not config.RARFILE_AVAILABLE:
							raise ImportError("Please pip install rarfile"		)
				import rarfile

				os.makedirs(lowerCAmelCase_			,			exist_ok=lowerCAmelCase_		)
				UpperCAmelCase_  :				List[Any]      =      rarfile.RarFile(lowerCAmelCase_		)
				rf.extractall(lowerCAmelCase_		)
				rf.close()







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\x28\xb5\x2F\xFD''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				if not config.ZSTANDARD_AVAILABLE:
							raise ImportError("Please pip install zstandard"		)
				import zstandard as zstd

				UpperCAmelCase_  :				Tuple      =      zstd.ZstdDecompressor()
				with open(lowerCAmelCase_			,			"rb"		) as ifh, open(lowerCAmelCase_			,			"wb"		) as ofh:
							dctx.copy_stream(lowerCAmelCase_			,			lowerCAmelCase_		)







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\x42\x5A\x68''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				with bza.open(lowerCAmelCase_			,			"rb"		) as compressed_file:
							with open(lowerCAmelCase_			,			"wb"		) as extracted_file:
										shutil.copyfileobj(lowerCAmelCase_			,			lowerCAmelCase_		)







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\x37\x7A\xBC\xAF\x27\x1C''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				if not config.PY7ZR_AVAILABLE:
							raise ImportError("Please pip install py7zr"		)
				import pyazr

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







class     UpperCamelCase_ (__A  ):
	__magic_name__			   =       [b'''\x04\x22\x4D\x18''']





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]		)		->    None:
				if not config.LZ4_AVAILABLE:
							raise ImportError("Please pip install lz4"		)
				import lza.frame

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







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)
	__magic_name__			   =       {
	    '''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      :				Optional[int]		)		->    List[str]:
				return max(
				    len(lowerCAmelCase_		)
				    for extractor in cls.extractors.values()
				    if issubclass(lowerCAmelCase_			,			lowerCAmelCase_		)
				    for extractor_magic_number in extractor.magic_numbers		)





	@staticmethod
	def   _SCREAMING_SNAKE_CASE   (   lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				int		)		->    int:
				try:
							return MagicNumberBaseExtractor.read_magic_number(lowerCAmelCase_			,			magic_number_length=lowerCAmelCase_		)
				except OSError:
							return b""





	@classmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				int			,			lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				bool = False		)		->    bool:
				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=lowerCAmelCase_			,			)
				UpperCAmelCase_  :				Tuple      =      cls.infer_extractor_format(lowerCAmelCase_		)
				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      :				str			,			lowerCAmelCase_      :				Union[Path, str]		)		->    str:  # <Added version="2.4.0"/>
				UpperCAmelCase_  :				Any      =      cls._get_magic_number_max_length()
				UpperCAmelCase_  :				Optional[Any]      =      cls._read_magic_number(lowerCAmelCase_			,			lowerCAmelCase_		)
				for extractor_format, extractor in cls.extractors.items():
							if extractor.is_extractable(lowerCAmelCase_			,			magic_number=lowerCAmelCase_		):
										return extractor_format





	@classmethod
	def   _SCREAMING_SNAKE_CASE   (   cls      :				int			,			lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Union[Path, str]			,			lowerCAmelCase_      :				Optional[str] = None			,			lowerCAmelCase_      :				Optional[BaseExtractor] = "deprecated"			,			)		->    None:
				os.makedirs(os.path.dirname(lowerCAmelCase_		)			,			exist_ok=lowerCAmelCase_		)
				# Prevent parallel extractions
				UpperCAmelCase_  :				List[str]      =      str(Path(lowerCAmelCase_		).with_suffix(".lock"		)		)
				with FileLock(lowerCAmelCase_		):
							shutil.rmtree(lowerCAmelCase_			,			ignore_errors=lowerCAmelCase_		)
							if extractor_format or extractor != "deprecated":
										if extractor != "deprecated" or not isinstance(lowerCAmelCase_			,			lowerCAmelCase_		):  # 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=lowerCAmelCase_			,			)
													UpperCAmelCase_  :				Any      =      extractor if extractor != "deprecated" else extractor_format
										else:
													UpperCAmelCase_  :				int      =      cls.extractors[extractor_format]
										return extractor.extract(lowerCAmelCase_			,			lowerCAmelCase_		)
							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=lowerCAmelCase_			,			)
										for extractor in cls.extractors.values():
													if extractor.is_extractable(lowerCAmelCase_		):
																return extractor.extract(lowerCAmelCase_			,			lowerCAmelCase_		)











"""simple docstring"""
lowerCamelCase_       			=   {
    '''a''': '''AAAAA''',
    '''b''': '''AAAAB''',
    '''c''': '''AAABA''',
    '''d''': '''AAABB''',
    '''e''': '''AABAA''',
    '''f''': '''AABAB''',
    '''g''': '''AABBA''',
    '''h''': '''AABBB''',
    '''i''': '''ABAAA''',
    '''j''': '''BBBAA''',
    '''k''': '''ABAAB''',
    '''l''': '''ABABA''',
    '''m''': '''ABABB''',
    '''n''': '''ABBAA''',
    '''o''': '''ABBAB''',
    '''p''': '''ABBBA''',
    '''q''': '''ABBBB''',
    '''r''': '''BAAAA''',
    '''s''': '''BAAAB''',
    '''t''': '''BAABA''',
    '''u''': '''BAABB''',
    '''v''': '''BBBAB''',
    '''w''': '''BABAA''',
    '''x''': '''BABAB''',
    '''y''': '''BABBA''',
    '''z''': '''BABBB''',
    ''' ''': ''' ''',
}


lowerCamelCase_       			=   {value: key for key, value in encode_dict.items()}

def        snake_case   (     A__		):
			UpperCAmelCase_  :				Union[str, Any]      =      ""
			for letter in word.lower():
						if letter.isalpha() or letter == " ":
									encoded += encode_dict[letter]
						else:
									raise Exception("encode() accepts only letters of the alphabet and spaces"		)
			return encoded

def        snake_case   (     A__		):
			if set(A__		) - {"A", "B", " "} != set():
						raise Exception("decode() accepts only 'A', 'B' and spaces"		)
			UpperCAmelCase_  :				Dict      =      ""
			for word in coded.split():
						while len(A__		) != 0:
									decoded += decode_dict[word[:5]]
									UpperCAmelCase_  :				str      =      word[5:]
						decoded += " "
			return decoded.strip()


if __name__ == "__main__":
			from doctest import testmod

			testmod()



