
'''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


UpperCAmelCase_       :   Any   =       get_logger(__name__)

class  UpperCAmelCase__						:



    def __init__(	self      :       Optional[Any],__A      :       Optional[str] = None     ):
          _lowerCamelCase				:   List[str]								=   (
              os.path.join(__A,config.EXTRACTED_DATASETS_DIR     ) if cache_dir else config.EXTRACTED_DATASETS_PATH
          )
          _lowerCamelCase				:   int								=   Extractor



    def   lowerCamelCase_  (	self      :       List[str],__A      :       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"
          _lowerCamelCase				:   str								=   os.path.abspath(__A     )
          return os.path.join(self.extract_dir,hash_url_to_filename(__A     )     )



    def   lowerCamelCase_  (	self      :       Optional[int],__A      :       str,__A      :       bool     ):
          return force_extract or (
              not os.path.isfile(__A     ) and not (os.path.isdir(__A     ) and os.listdir(__A     ))
          )



    def   lowerCamelCase_  (	self      :       Tuple,__A      :       str,__A      :       bool = False     ):
          _lowerCamelCase				:   Tuple								=   self.extractor.infer_extractor_format(__A     )
          if not extractor_format:
                return input_path
          _lowerCamelCase				:   int								=   self._get_output_path(__A     )
          if self._do_extract(__A,__A     ):
                self.extractor.extract(__A,__A,__A     )
          return output_path


class  UpperCAmelCase__						(       A ):



    @classmethod
    @abstractmethod
    def   lowerCamelCase_  (	cls      :       Union[str, Any],__A      :       Union[Path, str],**__A      :       int     ):
          ...



    @staticmethod
    @abstractmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          ...


class  UpperCAmelCase__						(       A						,	A ):
    lowerCAmelCase_				    =		[]



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       int     ):
          with open(__A,"rb"     ) as f:
                return f.read(__A     )



    @classmethod
    def   lowerCamelCase_  (	cls      :       int,__A      :       Union[Path, str],__A      :       bytes = b""     ):
          if not magic_number:
                _lowerCamelCase				:   int								=   max(len(__A     ) for cls_magic_number in cls.magic_numbers     )
                try:
                      _lowerCamelCase				:   Any								=   cls.read_magic_number(__A,__A     )
                except OSError:
                      return False
          return any(magic_number.startswith(__A     ) for cls_magic_number in cls.magic_numbers     )


class  UpperCAmelCase__						(       A ):



    @classmethod
    def   lowerCamelCase_  (	cls      :       Union[str, Any],__A      :       Union[Path, str],**__A      :       Optional[int]     ):
          return tarfile.is_tarfile(__A     )



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Optional[Any],__A      :       Dict     ):

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

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

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

          _lowerCamelCase				:   Optional[Any]								=   resolved(__A     )

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



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          os.makedirs(__A,exist_ok=__A     )
          _lowerCamelCase				:   int								=   tarfile.open(__A     )
          tar_file.extractall(__A,members=TarExtractor.safemembers(__A,__A     )     )
          tar_file.close()


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\x1F\x8B']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          with gzip.open(__A,"rb"     ) as gzip_file:
                with open(__A,"wb"     ) as extracted_file:
                      shutil.copyfileobj(__A,__A     )


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[
        B'PK\x03\x04',
        B'PK\x05\x06',  # empty archive
        B'PK\x07\x08',  # spanned archive
    ]



    @classmethod
    def   lowerCamelCase_  (	cls      :       Union[str, Any],__A      :       Union[Path, str],__A      :       bytes = b""     ):
          if super().is_extractable(__A,magic_number=__A     ):
                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(__A,"rb"     ) as fp:
                      _lowerCamelCase				:   Optional[Any]								=   _EndRecData(__A     )
                      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:
                                        _lowerCamelCase				:   List[Any]								=   fp.read(__A     )  # CD is where we expect it to be
                                        if len(__A     ) == sizeCentralDir:
                                              _lowerCamelCase				:   List[Any]								=   struct.unpack(__A,__A     )  # 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   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          os.makedirs(__A,exist_ok=__A     )
          with zipfile.ZipFile(__A,"r"     ) as zip_file:
                zip_file.extractall(__A     )
                zip_file.close()


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\xFD\x37\x7A\x58\x5A\x00']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          with lzma.open(__A     ) as compressed_file:
                with open(__A,"wb"     ) as extracted_file:
                      shutil.copyfileobj(__A,__A     )


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'Rar!\x1a\x07\x00', B'Rar!\x1a\x07\x01\x00']  # RAR_ID  # RAR5_ID



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          if not config.RARFILE_AVAILABLE:
                raise ImportError("Please pip install rarfile"     )
          import rarfile

          os.makedirs(__A,exist_ok=__A     )
          _lowerCamelCase				:   int								=   rarfile.RarFile(__A     )
          rf.extractall(__A     )
          rf.close()


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\x28\xb5\x2F\xFD']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          if not config.ZSTANDARD_AVAILABLE:
                raise ImportError("Please pip install zstandard"     )
          import zstandard as zstd

          _lowerCamelCase				:   Optional[Any]								=   zstd.ZstdDecompressor()
          with open(__A,"rb"     ) as ifh, open(__A,"wb"     ) as ofh:
                dctx.copy_stream(__A,__A     )


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\x42\x5A\x68']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          with bza.open(__A,"rb"     ) as compressed_file:
                with open(__A,"wb"     ) as extracted_file:
                      shutil.copyfileobj(__A,__A     )


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\x37\x7A\xBC\xAF\x27\x1C']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          if not config.PY7ZR_AVAILABLE:
                raise ImportError("Please pip install py7zr"     )
          import pyazr

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


class  UpperCAmelCase__						(       A ):
    lowerCAmelCase_				    =		[B'\x04\x22\x4D\x18']



    @staticmethod
    def   lowerCamelCase_  (	__A      :       Union[Path, str],__A      :       Union[Path, str]     ):
          if not config.LZ4_AVAILABLE:
                raise ImportError("Please pip install lz4"     )
          import lza.frame

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


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)
    lowerCAmelCase_				    =		{
        '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   lowerCamelCase_  (	cls      :       Optional[Any]     ):
          return max(
              len(__A     )
              for extractor in cls.extractors.values()
              if issubclass(__A,__A     )
              for extractor_magic_number in extractor.magic_numbers     )



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



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



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

'''simple docstring'''






import random
from typing import Any







def 		A_       (	_lowerCAmelCase   :    list							):



      """simple docstring"""




      for _ in range(len(_lowerCAmelCase							)							):
            _lowerCamelCase				:   Any								=   random.randint(0				,	len(_lowerCAmelCase							) - 1							)
            _lowerCamelCase				:   List[str]								=   random.randint(0				,	len(_lowerCAmelCase							) - 1							)
            _lowerCamelCase						,		_lowerCamelCase				:   Union[str, Any]								=   data[b], data[a]
      return data


if __name__ == "__main__":
 UpperCAmelCase_       :   Any   =       [0, 1, 2, 3, 4, 5, 6, 7]
 UpperCAmelCase_       :   Dict   =       ['python', 'says', 'hello', '!']
 print('Fisher-Yates Shuffle:')
 print('List', integers, strings)
 print('FY Shuffle', fisher_yates_shuffle(integers), fisher_yates_shuffle(strings))