
import unittest

import numpy as np




def 	_SCREAMING_SNAKE_CASE					(		_lowerCamelCase :			str						,  _lowerCamelCase :			int						,  _lowerCamelCase :			str						,  _lowerCamelCase :			int = None						,  )					->    Optional[int]:






							'''simple docstring'''





							__UpperCamelCase	:   Dict			   =					np.shape(A_)
							__UpperCamelCase	:   Dict			   =					np.shape(A_)
							__UpperCamelCase	:   int			   =					np.shape(A_)

							if shape_a[0] != shape_b[0]:
														__UpperCamelCase	:   List[Any]			   =					(
														    "Expected the same number of rows for A and B. "
														    F'Instead found A of size {shape_a} and B of size {shape_b}'
														)
														raise ValueError(A_)

							if shape_b[1] != shape_c[1]:
														__UpperCamelCase	:   List[Any]			   =					(
														    "Expected the same number of columns for B and C. "
														    F'Instead found B of size {shape_b} and C of size {shape_c}'
														)
														raise ValueError(A_)

							__UpperCamelCase	:   Optional[int]			   =					pseudo_inv
							if a_inv is None:
														try:
																					__UpperCamelCase	:   Tuple			   =					np.linalg.inv(A_)
														except np.linalg.LinAlgError:
																					raise ValueError(
																					    "Input matrix A is not invertible. Cannot compute Schur complement.")

							return mat_c - mat_b.T @ a_inv @ mat_b




class  lowerCamelCase__							(				unittest.TestCase):




	'''simple docstring'''




	def    _lowerCamelCase				(					self		:int						)		-> None:
								__UpperCamelCase	:   Optional[Any]			   =					np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]						)
								__UpperCamelCase	:   Optional[Any]			   =					np.array([[0, 3], [3, 0], [2, 3]]						)
								__UpperCamelCase	:   List[str]			   =					np.array([[2, 1], [6, 3]]						)

								__UpperCamelCase	:   List[Any]			   =					schur_complement(UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__						)

								__UpperCamelCase	:   List[Any]			   =					np.block([[a, b], [b.T, c]]						)

								__UpperCamelCase	:   List[Any]			   =					np.linalg.det(UpperCamelCase__						)
								__UpperCamelCase	:   Union[str, Any]			   =					np.linalg.det(UpperCamelCase__						)
								__UpperCamelCase	:   List[str]			   =					np.linalg.det(UpperCamelCase__						)

								self.assertAlmostEqual(UpperCamelCase__     ,   det_a * det_s						)







	def    _lowerCamelCase				(					self		:List[Any]						)		-> None:
								__UpperCamelCase	:   Dict			   =					np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]						)
								__UpperCamelCase	:   Optional[Any]			   =					np.array([[0, 3], [3, 0], [2, 3]]						)
								__UpperCamelCase	:   Any			   =					np.array([[2, 1], [6, 3]]						)

								with self.assertRaises(UpperCamelCase__						):
															schur_complement(UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__						)







	def    _lowerCamelCase				(					self		:int						)		-> None:
								__UpperCamelCase	:   Union[str, Any]			   =					np.array([[1, 2, 1], [2, 1, 2], [3, 2, 4]]						)
								__UpperCamelCase	:   List[str]			   =					np.array([[0, 3], [3, 0], [2, 3]]						)
								__UpperCamelCase	:   List[Any]			   =					np.array([[2, 1, 3], [6, 3, 5]]						)

								with self.assertRaises(UpperCamelCase__						):
															schur_complement(UpperCamelCase__     ,   UpperCamelCase__     ,   UpperCamelCase__						)


if __name__ == "__main__":
		import doctest

		doctest.testmod()
		unittest.main()

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_			:


  '''simple docstring'''







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







    """simple docstring"""






    __magic_name__				     =       (
        os.path.join(UpperCamelCase__			,							config.EXTRACTED_DATASETS_DIR    ) if cache_dir else config.EXTRACTED_DATASETS_PATH
    )
    __magic_name__				     =       Extractor
  def 							_lowercase							( self			: Optional[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"
    __magic_name__				     =       os.path.abspath(UpperCamelCase__    )
    return os.path.join(self.extract_dir			,							hash_url_to_filename(UpperCamelCase__    )    )
  def 							_lowercase							( self			: List[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 							_lowercase							( self			: Dict			,							UpperCamelCase__			: str			,							UpperCamelCase__			: bool = False    )			->	str:







    """simple docstring"""






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







class        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  @classmethod
  @abstractmethod
  def 							_lowercase							( cls			: List[str]			,							UpperCamelCase__			: Union[Path, str]			,							**UpperCamelCase__			: Union[str, Any]    )			->	bool:







    """simple docstring"""






    ...





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







    """simple docstring"""






    ...







class        UpperCAmelCase_			( _A  ,       _A     ):


  '''simple docstring'''







  a__           =		[]
  @staticmethod
  def 							_lowercase							( UpperCamelCase__			: Union[Path, str]			,							UpperCamelCase__			: int    )			->	List[str]:







    """simple docstring"""






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





  @classmethod
  def 							_lowercase							( cls			: List[Any]			,							UpperCamelCase__			: Union[Path, str]			,							UpperCamelCase__			: bytes = b""    )			->	bool:







    """simple docstring"""






    if not magic_number:
      __magic_name__				     =       max(len(UpperCamelCase__    ) for cls_magic_number in cls.magic_numbers    )
      try:
        __magic_name__				     =       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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  @classmethod
  def 							_lowercase							( cls			: Optional[Any]			,							UpperCamelCase__			: Union[Path, str]			,							**UpperCamelCase__			: int    )			->	bool:







    """simple docstring"""






    return tarfile.is_tarfile(UpperCamelCase__    )
  @staticmethod
  def 							_lowercase							( UpperCamelCase__			: Optional[Any]			,							UpperCamelCase__			: Optional[int]    )			->	Union[str, Any]:







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

    __magic_name__				     =       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 							_lowercase							( UpperCamelCase__			: Union[Path, str]			,							UpperCamelCase__			: Union[Path, str]    )			->	None:







    """simple docstring"""






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







class        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\x1F\x8B"""]
  @staticmethod
  def 							_lowercase							( 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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[
      B"""PK\x03\x04""",
      B"""PK\x05\x06""",  # empty archive
      B"""PK\x07\x08""",  # spanned archive
  ]
  @classmethod
  def 							_lowercase							( cls			: Union[str, Any]			,							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:
        __magic_name__				     =       _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:
              __magic_name__				     =       fp.read(UpperCamelCase__    )  # CD is where we expect it to be
              if len(UpperCamelCase__    ) == sizeCentralDir:
                __magic_name__				     =       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 							_lowercase							( 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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\xFD\x37\x7A\x58\x5A\x00"""]
  @staticmethod
  def 							_lowercase							( 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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""Rar!\x1a\x07\x00""", B"""Rar!\x1a\x07\x01\x00"""]  # RAR_ID  # RAR5_ID
  @staticmethod
  def 							_lowercase							( 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__    )
    __magic_name__				     =       rarfile.RarFile(UpperCamelCase__    )
    rf.extractall(UpperCamelCase__    )
    rf.close()







class        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\x28\xb5\x2F\xFD"""]
  @staticmethod
  def 							_lowercase							( 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

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







class        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\x42\x5A\x68"""]
  @staticmethod
  def 							_lowercase							( 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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\x37\x7A\xBC\xAF\x27\x1C"""]
  @staticmethod
  def 							_lowercase							( 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        UpperCAmelCase_			( _A     ):


  '''simple docstring'''







  a__           =		[B"""\x04\x22\x4D\x18"""]
  @staticmethod
  def 							_lowercase							( 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        UpperCAmelCase_			:


  '''simple docstring'''







  a__           =		{
      "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			: Tuple    )			->	Tuple:







    """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 							_lowercase							( UpperCamelCase__			: Union[Path, str]			,							UpperCamelCase__			: int    )			->	Union[str, Any]:







    """simple docstring"""






    try:
      return MagicNumberBaseExtractor.read_magic_number(UpperCamelCase__			,							magic_number_length=UpperCamelCase__    )
    except OSError:
      return b""
  @classmethod
  def 							_lowercase							( cls			: List[Any]			,							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__			,							)
    __magic_name__				     =       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 							_lowercase							( cls			: Dict			,							UpperCamelCase__			: Union[Path, str]    )			->	str:  # <Added version="2.4.0"/>







    """simple docstring"""






    __magic_name__				     =       cls._get_magic_number_max_length()
    __magic_name__				     =       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 							_lowercase							( cls			: Union[str, 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
    __magic_name__				     =       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__			,							)
          __magic_name__				     =       extractor if extractor != """deprecated""" else extractor_format
        else:
          __magic_name__				     =       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__    )

