





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        =				get_logger(__name__)



class 							_UpperCamelCase					:

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




              """simple docstring"""


              UpperCamelCase_          =  (
                  os.path.join(_SCREAMING_SNAKE_CASE					,   config.EXTRACTED_DATASETS_DIR		) if cache_dir else config.EXTRACTED_DATASETS_PATH
              )
              UpperCamelCase_          =  Extractor

       def lowercase (		self: str					,   _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"
              UpperCamelCase_          =  os.path.abspath(_SCREAMING_SNAKE_CASE		)
              return os.path.join(self.extract_dir					,   hash_url_to_filename(_SCREAMING_SNAKE_CASE		)		)

       def lowercase (		self: Union[str, Any]					,   _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 lowercase (		self: Optional[Any]					,   _SCREAMING_SNAKE_CASE: str					,   _SCREAMING_SNAKE_CASE: bool = False		)       -> str:




              """simple docstring"""


              UpperCamelCase_          =  self.extractor.infer_extractor_format(_SCREAMING_SNAKE_CASE		)
              if not extractor_format:
                     return input_path
              UpperCamelCase_          =  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					(	lowerCAmelCase_     ):

       @classmethod
       @abstractmethod
       def lowercase (		cls: Tuple					,   _SCREAMING_SNAKE_CASE: Union[Path, str]					,   **_SCREAMING_SNAKE_CASE: Any		)       -> bool:




              """simple docstring"""


              ...



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




              """simple docstring"""


              ...



class 							_UpperCamelCase					(	lowerCAmelCase_  ,						lowerCAmelCase_     ):
       _UpperCamelCase				:					List[bytes]         =   []

       @staticmethod
       def lowercase (		_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 lowercase (		cls: Any					,   _SCREAMING_SNAKE_CASE: Union[Path, str]					,   _SCREAMING_SNAKE_CASE: bytes = b""		)       -> bool:




              """simple docstring"""


              if not magic_number:
                     UpperCamelCase_          =  max(len(_SCREAMING_SNAKE_CASE		) for cls_magic_number in cls.magic_numbers		)
                     try:
                            UpperCamelCase_          =  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					(	lowerCAmelCase_     ):

       @classmethod
       def lowercase (		cls: List[str]					,   _SCREAMING_SNAKE_CASE: Union[Path, str]					,   **_SCREAMING_SNAKE_CASE: Optional[Any]		)       -> bool:




              """simple docstring"""


              return tarfile.is_tarfile(_SCREAMING_SNAKE_CASE		)

       @staticmethod
       def lowercase (		_SCREAMING_SNAKE_CASE: Any					,   _SCREAMING_SNAKE_CASE: List[Any]		)       -> Optional[Any]:




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

              UpperCamelCase_          =  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 lowercase (		_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		)
              UpperCamelCase_          =  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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					List[Any]         =   [b'''\x1F\x8B''']

       @staticmethod
       def lowercase (		_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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Union[str, Any]         =   [
           b'''PK\x03\x04''',
           b'''PK\x05\x06''',  # empty archive
           b'''PK\x07\x08''',  # spanned archive
       ]

       @classmethod
       def lowercase (		cls: List[str]					,   _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:
                            UpperCamelCase_          =  _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_          =  fp.read(_SCREAMING_SNAKE_CASE		)  # CD is where we expect it to be
                                                 if len(_SCREAMING_SNAKE_CASE		) == sizeCentralDir:
                                                        UpperCamelCase_          =  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 lowercase (		_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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Dict         =   [b'''\xFD\x37\x7A\x58\x5A\x00''']

       @staticmethod
       def lowercase (		_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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Tuple         =   [b'''Rar!\x1a\x07\x00''', b'''Rar!\x1a\x07\x01\x00''']  # RAR_ID  # RAR5_ID

       @staticmethod
       def lowercase (		_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		)
              UpperCamelCase_          =  rarfile.RarFile(_SCREAMING_SNAKE_CASE		)
              rf.extractall(_SCREAMING_SNAKE_CASE		)
              rf.close()



class 							_UpperCamelCase					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Dict         =   [b'''\x28\xb5\x2F\xFD''']

       @staticmethod
       def lowercase (		_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

              UpperCamelCase_          =  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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Any         =   [b'''\x42\x5A\x68''']

       @staticmethod
       def lowercase (		_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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Tuple         =   [b'''\x37\x7A\xBC\xAF\x27\x1C''']

       @staticmethod
       def lowercase (		_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					(	lowerCAmelCase_     ):
       _UpperCamelCase				:					Union[str, Any]         =   [b'''\x04\x22\x4D\x18''']

       @staticmethod
       def lowercase (		_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)
       _UpperCamelCase				:					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 lowercase (		cls: List[str]		)       -> int:




              """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 lowercase (		_SCREAMING_SNAKE_CASE: Union[Path, str]					,   _SCREAMING_SNAKE_CASE: int		)       -> str:




              """simple docstring"""


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

       @classmethod
       def lowercase (		cls: 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					,   )
              UpperCamelCase_          =  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 lowercase (		cls: Optional[int]					,   _SCREAMING_SNAKE_CASE: Union[Path, str]		)       -> str:  # <Added version="2.4.0"/>




              """simple docstring"""


              UpperCamelCase_          =  cls._get_magic_number_max_length()
              UpperCamelCase_          =  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 lowercase (		cls: Dict					,   _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
              UpperCamelCase_          =  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_          =  extractor if extractor != "deprecated" else extractor_format
                            else:
                                   UpperCamelCase_          =  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 Optional

import pyspark

from .. import Features, NamedSplit
from ..download import DownloadMode
from ..packaged_modules.spark.spark import Spark
from .abc import AbstractDatasetReader



class 							_UpperCamelCase					(	lowerCAmelCase_     ):

       def __init__(		self: List[Any]					,   _SCREAMING_SNAKE_CASE: pyspark.sql.DataFrame					,   _SCREAMING_SNAKE_CASE: Optional[NamedSplit] = None					,   _SCREAMING_SNAKE_CASE: Optional[Features] = None					,   _SCREAMING_SNAKE_CASE: bool = True					,   _SCREAMING_SNAKE_CASE: str = None					,   _SCREAMING_SNAKE_CASE: bool = False					,   _SCREAMING_SNAKE_CASE: str = None					,   _SCREAMING_SNAKE_CASE: bool = True					,   _SCREAMING_SNAKE_CASE: str = "arrow"					,   **_SCREAMING_SNAKE_CASE: Union[str, Any]					,   )       -> Any:




              """simple docstring"""


              super().__init__(
                  split=_SCREAMING_SNAKE_CASE					,   features=_SCREAMING_SNAKE_CASE					,   cache_dir=_SCREAMING_SNAKE_CASE					,   keep_in_memory=_SCREAMING_SNAKE_CASE					,   streaming=_SCREAMING_SNAKE_CASE					,   **_SCREAMING_SNAKE_CASE					,   )
              UpperCamelCase_          =  load_from_cache_file
              UpperCamelCase_          =  file_format
              UpperCamelCase_          =  Spark(
                  df=_SCREAMING_SNAKE_CASE					,   features=_SCREAMING_SNAKE_CASE					,   cache_dir=_SCREAMING_SNAKE_CASE					,   working_dir=_SCREAMING_SNAKE_CASE					,   **_SCREAMING_SNAKE_CASE					,   )



       def lowercase (		self: str		)       -> Optional[Any]:




              """simple docstring"""


              if self.streaming:
                     return self.builder.as_streaming_dataset(split=self.split		)
              UpperCamelCase_          =  None if self._load_from_cache_file else DownloadMode.FORCE_REDOWNLOAD
              self.builder.download_and_prepare(
                  download_mode=_SCREAMING_SNAKE_CASE					,   file_format=self._file_format					,   )
              return self.builder.as_dataset(split=self.split		)

