


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


SCREAMING_SNAKE_CASE__					:     str       =     get_logger(__name__)


class 		_SCREAMING_SNAKE_CASE     :


     def __init__(  self							,					A_ = None    ):
       _UpperCAmelCase		:							int							=     (
           os.path.join(_SCREAMING_SNAKE_CASE							,					config.EXTRACTED_DATASETS_DIR    ) if cache_dir else config.EXTRACTED_DATASETS_PATH
       )
       _UpperCAmelCase		:							Dict							=     Extractor


     def        __snake_case(  self							,					A_    ):
       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		:							Tuple							=     os.path.abspath(_SCREAMING_SNAKE_CASE    )
       return os.path.join(self.extract_dir							,					hash_url_to_filename(_SCREAMING_SNAKE_CASE    )    )


     def        __snake_case(  self							,					A_							,					A_    ):
       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        __snake_case(  self							,					A_							,					A_ = False    ):
       _UpperCAmelCase		:							Union[str, Any]							=     self.extractor.infer_extractor_format(_SCREAMING_SNAKE_CASE    )
       if not extractor_format:
         return input_path
       _UpperCAmelCase		:							Optional[int]							=     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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):


     @classmethod
     @abstractmethod
     def        __snake_case(  cls							,					A_							,					**A_    ):
       ...




     @staticmethod
     @abstractmethod
     def        __snake_case(  A_							,					A_    ):
       ...


class 		_SCREAMING_SNAKE_CASE     (						__snake_case							,	__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    []


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




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




     @classmethod
     def        __snake_case(  cls							,					A_							,					A_ = b""    ):




       if not magic_number:
         _UpperCAmelCase		:							Union[str, Any]							=     max(len(_SCREAMING_SNAKE_CASE    ) for cls_magic_number in cls.magic_numbers    )
         try:
           _UpperCAmelCase		:							int							=     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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):


     @classmethod
     def        __snake_case(  cls							,					A_							,					**A_    ):
       return tarfile.is_tarfile(_SCREAMING_SNAKE_CASE    )


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




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

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

       _UpperCAmelCase		:							Union[str, Any]							=     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        __snake_case(  A_							,					A_    ):
       os.makedirs(_SCREAMING_SNAKE_CASE							,					exist_ok=_SCREAMING_SNAKE_CASE    )
       _UpperCAmelCase		:							Optional[Any]							=     tarfile.open(_SCREAMING_SNAKE_CASE    )
       tar_file.extractall(_SCREAMING_SNAKE_CASE							,					members=TarExtractor.safemembers(_SCREAMING_SNAKE_CASE							,					_SCREAMING_SNAKE_CASE    )    )
       tar_file.close()


class 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\x1F\x8B''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




       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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [
         B'''PK\x03\x04''',
         B'''PK\x05\x06''',  # empty archive
         B'''PK\x07\x08''',  # spanned archive
     ]


     @classmethod
     def        __snake_case(  cls							,					A_							,					A_ = b""    ):




       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:
           _UpperCAmelCase		:							Any							=     _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:
                 _UpperCAmelCase		:							Union[str, Any]							=     fp.read(_SCREAMING_SNAKE_CASE    )  # CD is where we expect it to be
                 if len(_SCREAMING_SNAKE_CASE    ) == sizeCentralDir:
                   _UpperCAmelCase		:							Optional[Any]							=     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        __snake_case(  A_							,					A_    ):
       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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\xFD\x37\x7A\x58\x5A\x00''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




       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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''Rar!\x1a\x07\x00''', B'''Rar!\x1a\x07\x01\x00''']  # RAR_ID  # RAR5_ID


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




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

       os.makedirs(_SCREAMING_SNAKE_CASE							,					exist_ok=_SCREAMING_SNAKE_CASE    )
       _UpperCAmelCase		:							Tuple							=     rarfile.RarFile(_SCREAMING_SNAKE_CASE    )
       rf.extractall(_SCREAMING_SNAKE_CASE    )
       rf.close()


class 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\x28\xb5\x2F\xFD''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




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

       _UpperCAmelCase		:							Any							=     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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\x42\x5A\x68''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




       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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\x37\x7A\xBC\xAF\x27\x1C''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




       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 		_SCREAMING_SNAKE_CASE     (						__snake_case     ):
     __SCREAMING_SNAKE_CASE     					=    [B'''\x04\x22\x4D\x18''']


     @staticmethod
     def        __snake_case(  A_							,					A_    ):




       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 		_SCREAMING_SNAKE_CASE     :
     __SCREAMING_SNAKE_CASE     					=    {
         '''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    ):
       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        __snake_case(  A_							,					A_    ):




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


     @classmethod
     def        __snake_case(  cls							,					A_							,					A_ = 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=_SCREAMING_SNAKE_CASE							,					)
       _UpperCAmelCase		:							Dict							=     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        __snake_case(  cls							,					A_    ):  # <Added version="2.4.0"/>
       _UpperCAmelCase		:							Optional[int]							=     cls._get_magic_number_max_length()
       _UpperCAmelCase		:							List[Any]							=     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        __snake_case(  cls							,					A_							,					A_							,					A_ = None							,					A_ = "deprecated"							,					):
       os.makedirs(os.path.dirname(_SCREAMING_SNAKE_CASE    )							,					exist_ok=_SCREAMING_SNAKE_CASE    )
       # Prevent parallel extractions
       _UpperCAmelCase		:							Union[str, Any]							=     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							,					)
             _UpperCAmelCase		:							int							=     extractor if extractor != """deprecated""" else extractor_format
           else:
             _UpperCAmelCase		:							Optional[int]							=     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    )













def 		lowercase__  (				_UpperCamelCase       ,							_UpperCamelCase) ->			bool:
      """simple docstring"""

      return numa ^ numa < 0


if __name__ == "__main__":
       import doctest

       doctest.testmod()



