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__  (					__A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , ):







    '''simple docstring'''
    _lowerCamelCase     :		str 						=						{
        """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),
    }
    _lowerCamelCase						,							_lowerCamelCase     :		Optional[Any] 						=						input_paths_and_base_extractors[compression_format]
    if input_path is None:
        _lowerCamelCase     :		Dict 						=						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(lowercase__	)
    assert base_extractor.is_extractable(lowercase__	)
    _lowerCamelCase     :		Any 						=						tmp_path / ("""extracted""" if is_archive else """extracted.txt""")
    base_extractor.extract(lowercase__   , lowercase__	)
    if is_archive:
        assert output_path.is_dir()
        for file_path in output_path.iterdir():
            assert file_path.name == text_file.name
            _lowerCamelCase     :		Union[str, Any] 						=						file_path.read_text(encoding="""utf-8"""	)
    else:
        _lowerCamelCase     :		List[Any] 						=						output_path.read_text(encoding="""utf-8"""	)
    _lowerCamelCase     :		Optional[int] 						=						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__  (					__A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , __A   , ):







    '''simple docstring'''
    _lowerCamelCase     :		Optional[Any] 						=						{
        """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,
    }
    _lowerCamelCase     :		Union[str, Any] 						=						input_paths[compression_format]
    if input_path is None:
        _lowerCamelCase     :		Any 						=						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(lowercase__	)
    _lowerCamelCase     :		Optional[int] 						=						Extractor.infer_extractor_format(lowercase__	)
    assert extractor_format is not None
    _lowerCamelCase     :		int 						=						tmp_path / ("""extracted""" if is_archive else """extracted.txt""")
    Extractor.extract(lowercase__   , lowercase__   , lowercase__	)
    if is_archive:
        assert output_path.is_dir()
        for file_path in output_path.iterdir():
            assert file_path.name == text_file.name
            _lowerCamelCase     :		Dict 						=						file_path.read_text(encoding="""utf-8"""	)
    else:
        _lowerCamelCase     :		Any 						=						output_path.read_text(encoding="""utf-8"""	)
    _lowerCamelCase     :		Optional[Any] 						=						text_file.read_text(encoding="""utf-8"""	)
    assert extracted_file_content == expected_file_content







@pytest.fixture
def 						A__  (					__A   , __A	):







    '''simple docstring'''
    import tarfile

    _lowerCamelCase     :		Any 						=						tmp_path / """data_dot_dot"""
    directory.mkdir()
    _lowerCamelCase     :		Optional[int] 						=						directory / """tar_file_with_dot_dot.tar"""
    with tarfile.TarFile(lowercase__   , """w"""	) as f:
        f.add(lowercase__   , arcname=os.path.join(""".."""   , text_file.name	)	)
    return path







@pytest.fixture
def 						A__  (					__A	):







    '''simple docstring'''
    import tarfile

    _lowerCamelCase     :		Optional[Any] 						=						tmp_path / """data_sym_link"""
    directory.mkdir()
    _lowerCamelCase     :		Dict 						=						directory / """tar_file_with_sym_link.tar"""
    os.symlink(""".."""   , directory / """subdir"""   , target_is_directory=lowercase__	)
    with tarfile.TarFile(lowercase__   , """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__  (					__A   , __A   , __A   , __A   , __A   , __A	):







    '''simple docstring'''
    _lowerCamelCase     :		str 						=						{
        """tar_file_with_dot_dot""": tar_file_with_dot_dot,
        """tar_file_with_sym_link""": tar_file_with_sym_link,
    }
    _lowerCamelCase     :		Optional[int] 						=						insecure_tar_files[insecure_tar_file]
    _lowerCamelCase     :		Union[str, Any] 						=						tmp_path / """extracted"""
    TarExtractor.extract(lowercase__   , lowercase__	)
    assert caplog.text
    for record in caplog.records:
        assert record.levelname == "ERROR"
        assert error_log in record.msg







def 						A__  (					__A	):







    '''simple docstring'''
    _lowerCamelCase     :		int 						=						tmpdir / """not_a_zip_file"""
    # From: https://github.com/python/cpython/pull/5053
    _lowerCamelCase     :		List[str] 						=						(
        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(lowercase__	)
    assert zipfile.is_zipfile(str(lowercase__	)	)  # is a false positive for `zipfile`
    assert not ZipExtractor.is_extractable(lowercase__	)  # but we're right





def 						A__  (					__A   , __A	):







    '''simple docstring'''
    _enforce_args(__A   , __A	)
    if n == 0:
        return 0
    _lowerCamelCase     :		Tuple 						=						float("""-inf"""	)
    for i in range(1   , n + 1	):
        _lowerCamelCase     :		Any 						=						max(
            __A   , prices[i - 1] + naive_cut_rod_recursive(n - i   , __A	)	)

    return max_revue







def 						A__  (					__A   , __A	):







    '''simple docstring'''
    _enforce_args(__A   , __A	)
    _lowerCamelCase     :		Optional[Any] 						=						[float("""-inf"""	) for _ in range(n + 1	)]
    return _top_down_cut_rod_recursive(__A   , __A   , __A	)







def 						A__  (					__A   , __A   , __A	):







    '''simple docstring'''
    if max_rev[n] >= 0:
        return max_rev[n]
    elif n == 0:
        return 0
    else:
        _lowerCamelCase     :		int 						=						float("""-inf"""	)
        for i in range(1   , n + 1	):
            _lowerCamelCase     :		Optional[Any] 						=						max(
                __A   , prices[i - 1] + _top_down_cut_rod_recursive(n - i   , __A   , __A	)   , )

        _lowerCamelCase     :		Optional[Any] 						=						max_revenue

    return max_rev[n]







def 						A__  (					__A   , __A	):







    '''simple docstring'''
    _enforce_args(__A   , __A	)

    # length(max_rev) = n + 1, to accommodate for the revenue obtainable from a rod of
    # length 0.
    _lowerCamelCase     :		List[Any] 						=						[float("""-inf"""	) for _ in range(n + 1	)]
    _lowerCamelCase     :		Any 						=						0

    for i in range(1   , n + 1	):
        _lowerCamelCase     :		Any 						=						max_rev[i]
        for j in range(1   , i + 1	):
            _lowerCamelCase     :		List[Any] 						=						max(__A   , prices[j - 1] + max_rev[i - j]	)

        _lowerCamelCase     :		int 						=						max_revenue_i

    return max_rev[n]







def 						A__  (					__A   , __A	):







    '''simple docstring'''
    if n < 0:
        _lowerCamelCase     :		Any 						=						F"""n must be greater than or equal to 0. Got n = {n}"""
        raise ValueError(__A	)

    if n > len(__A	):
        _lowerCamelCase     :		List[Any] 						=						(
            """Each integral piece of rod must have a corresponding price. """
            F"""Got n = {n} but length of prices = {len(__A	)}"""
        )
        raise ValueError(__A	)







def 						A__  (					):







    '''simple docstring'''
    _lowerCamelCase     :		str 						=						[6, 10, 12, 15, 20, 23]
    _lowerCamelCase     :		List[str] 						=						len(__A	)

    # the best revenue comes from cutting the rod into 6 pieces, each
    # of length 1 resulting in a revenue of 6 * 6 = 36.
    _lowerCamelCase     :		Tuple 						=						36

    _lowerCamelCase     :		Any 						=						top_down_cut_rod(__A   , __A	)
    _lowerCamelCase     :		Dict 						=						bottom_up_cut_rod(__A   , __A	)
    _lowerCamelCase     :		List[str] 						=						naive_cut_rod_recursive(__A   , __A	)

    assert expected_max_revenue == max_rev_top_down
    assert max_rev_top_down == max_rev_bottom_up
    assert max_rev_bottom_up == max_rev_naive


if __name__ == "__main__":
    main()




