import os
import zipfile

import pytest

from datasets.utils.extract import (
    BzipaExtractor,
    Extractor,
    GzipExtractor,
    LzaExtractor,
    SevenZipExtractor,
    TarExtractor,
    XzExtractor,
    ZipExtractor,
    ZstdExtractor,
)

from .utils import require_lza, require_pyazr, require_zstandard


@pytest.mark.parametrize(
    "compression_format, is_archive"   ,					[
        ("7z", True),
        ("bz2", False),
        ("gzip", False),
        ("lz4", False),
        ("tar", True),
        ("xz", False),
        ("zip", True),
        ("zstd", False),
    ]   ,					)
def    a__       (						__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					):
      SCREAMING_SNAKE_CASE_      =     {
          "7z": (seven_zip_file, SevenZipExtractor),
          "bz2": (bza_file, BzipaExtractor),
          "gzip": (gz_file, GzipExtractor),
          "lz4": (lza_file, LzaExtractor),
          "tar": (tar_file, TarExtractor),
          "xz": (xz_file, XzExtractor),
          "zip": (zip_file, ZipExtractor),
          "zstd": (zstd_file, ZstdExtractor),
      }
      SCREAMING_SNAKE_CASE_   ,       SCREAMING_SNAKE_CASE_      =     input_paths_and_base_extractors[compression_format]
      if input_path is None:
            SCREAMING_SNAKE_CASE_      =     F'''for \'{compression_format}\' compression_format, '''
            if compression_format == "7z":
                  reason += require_pyazr.kwargs["reason"]
            elif compression_format == "lz4":
                  reason += require_lza.kwargs["reason"]
            elif compression_format == "zstd":
                  reason += require_zstandard.kwargs["reason"]
            pytest.skip(__UpperCamelCase )
      assert base_extractor.is_extractable(__UpperCamelCase )
      SCREAMING_SNAKE_CASE_      =     tmp_path / ("extracted" if is_archive else "extracted.txt")
      base_extractor.extract(__UpperCamelCase   ,					__UpperCamelCase )
      if is_archive:
            assert output_path.is_dir()
            for file_path in output_path.iterdir():
                  assert file_path.name == text_file.name
                  SCREAMING_SNAKE_CASE_      =     file_path.read_text(encoding="utf-8" )
      else:
            SCREAMING_SNAKE_CASE_      =     output_path.read_text(encoding="utf-8" )
      SCREAMING_SNAKE_CASE_      =     text_file.read_text(encoding="utf-8" )
      assert extracted_file_content == expected_file_content


@pytest.mark.parametrize(
    "compression_format, is_archive"   ,					[
        ("7z", True),
        ("bz2", False),
        ("gzip", False),
        ("lz4", False),
        ("tar", True),
        ("xz", False),
        ("zip", True),
        ("zstd", False),
    ]   ,					)
def    a__       (						__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					):
      SCREAMING_SNAKE_CASE_      =     {
          "7z": seven_zip_file,
          "bz2": bza_file,
          "gzip": gz_file,
          "lz4": lza_file,
          "tar": tar_file,
          "xz": xz_file,
          "zip": zip_file,
          "zstd": zstd_file,
      }
      SCREAMING_SNAKE_CASE_      =     input_paths[compression_format]
      if input_path is None:
            SCREAMING_SNAKE_CASE_      =     F'''for \'{compression_format}\' compression_format, '''
            if compression_format == "7z":
                  reason += require_pyazr.kwargs["reason"]
            elif compression_format == "lz4":
                  reason += require_lza.kwargs["reason"]
            elif compression_format == "zstd":
                  reason += require_zstandard.kwargs["reason"]
            pytest.skip(__UpperCamelCase )
      SCREAMING_SNAKE_CASE_      =     Extractor.infer_extractor_format(__UpperCamelCase )
      assert extractor_format is not None
      SCREAMING_SNAKE_CASE_      =     tmp_path / ("extracted" if is_archive else "extracted.txt")
      Extractor.extract(__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase )
      if is_archive:
            assert output_path.is_dir()
            for file_path in output_path.iterdir():
                  assert file_path.name == text_file.name
                  SCREAMING_SNAKE_CASE_      =     file_path.read_text(encoding="utf-8" )
      else:
            SCREAMING_SNAKE_CASE_      =     output_path.read_text(encoding="utf-8" )
      SCREAMING_SNAKE_CASE_      =     text_file.read_text(encoding="utf-8" )
      assert extracted_file_content == expected_file_content


@pytest.fixture
def    a__       (						__UpperCamelCase   ,					__UpperCamelCase ):
      import tarfile

      SCREAMING_SNAKE_CASE_      =     tmp_path / "data_dot_dot"
      directory.mkdir()
      SCREAMING_SNAKE_CASE_      =     directory / "tar_file_with_dot_dot.tar"
      with tarfile.TarFile(__UpperCamelCase   ,					"w" ) as f:
            f.add(__UpperCamelCase   ,					arcname=os.path.join(".."   ,					text_file.name ) )
      return path


@pytest.fixture
def    a__       (						__UpperCamelCase ):
      import tarfile

      SCREAMING_SNAKE_CASE_      =     tmp_path / "data_sym_link"
      directory.mkdir()
      SCREAMING_SNAKE_CASE_      =     directory / "tar_file_with_sym_link.tar"
      os.symlink(".."   ,					directory / "subdir"   ,					target_is_directory=__UpperCamelCase )
      with tarfile.TarFile(__UpperCamelCase   ,					"w" ) as f:
            f.add(str(directory / "subdir" )   ,					arcname="subdir" )  # str required by os.readlink on Windows and Python < 3.8
      return path


@pytest.mark.parametrize(
    "insecure_tar_file, error_log"   ,					[("tar_file_with_dot_dot", "illegal path"), ("tar_file_with_sym_link", "Symlink")]   ,					)
def    a__       (						__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase   ,					__UpperCamelCase ):
      SCREAMING_SNAKE_CASE_      =     {
          "tar_file_with_dot_dot": tar_file_with_dot_dot,
          "tar_file_with_sym_link": tar_file_with_sym_link,
      }
      SCREAMING_SNAKE_CASE_      =     insecure_tar_files[insecure_tar_file]
      SCREAMING_SNAKE_CASE_      =     tmp_path / "extracted"
      TarExtractor.extract(__UpperCamelCase   ,					__UpperCamelCase )
      assert caplog.text
      for record in caplog.records:
            assert record.levelname == "ERROR"
            assert error_log in record.msg





def    a__       (						__UpperCamelCase ):
      # We should have less false positives than zipfile.is_zipfile
      # We do that by checking only the magic number
      SCREAMING_SNAKE_CASE_      =     tmpdir / "not_a_zip_file"
      # From: https://github.com/python/cpython/pull/5053
      SCREAMING_SNAKE_CASE_      =     (
          b"\x89PNG\r\n\x1a\n\x00\x00\x00\rIHDR\x00\x00\x00\x01\x00\x00"
          b"\x00\x02\x08\x06\x00\x00\x00\x99\x81\xb6'\x00\x00\x00\x15I"
          b"DATx\x01\x01\n\x00\xf5\xff\x00PK\x05\x06\x00PK\x06\x06\x07"
          b"\xac\x01N\xc6|a\r\x00\x00\x00\x00IEND\xaeB`\x82"
      )
      with not_a_zip_file.open("wb" ) as f:
            f.write(__UpperCamelCase )
      assert zipfile.is_zipfile(str(__UpperCamelCase ) )  # is a false positive for `zipfile`
      assert not ZipExtractor.is_extractable(__UpperCamelCase )  # but we're right



def    a__       (						__UpperCamelCase = 1_0_0_0 ):
      SCREAMING_SNAKE_CASE_      =     -1
      SCREAMING_SNAKE_CASE_      =     0
      for a in range(1   ,					n // 3 ):
            # Solving the two equations a**2+b**2=c**2 and a+b+c=N eliminating c
            SCREAMING_SNAKE_CASE_      =     (n * n - 2 * a * n) // (2 * n - 2 * a)
            SCREAMING_SNAKE_CASE_      =     n - a - b
            if c * c == (a * a + b * b):
                  SCREAMING_SNAKE_CASE_      =     a * b * c
                  if candidate >= product:
                        SCREAMING_SNAKE_CASE_      =     candidate
      return product


if __name__ == "__main__":
      print(f"{solution() = }")


