

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 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Union[str, Any]	,       SCREAMING_SNAKE_CASE_:							int	,       SCREAMING_SNAKE_CASE_:							Tuple	,       SCREAMING_SNAKE_CASE_:							List[Any]	,       SCREAMING_SNAKE_CASE_:							int	,       SCREAMING_SNAKE_CASE_:							Any	,       SCREAMING_SNAKE_CASE_:							Dict	,       SCREAMING_SNAKE_CASE_:							Any	,       SCREAMING_SNAKE_CASE_:							Optional[Any]	,       SCREAMING_SNAKE_CASE_:							Dict	,       SCREAMING_SNAKE_CASE_:							Optional[int]	,       SCREAMING_SNAKE_CASE_:							Tuple	,       )			->      List[str]:




				'''simple docstring'''





				A__        =			{
				    "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),
				}
				A__    ,				A__        =			input_paths_and_base_extractors[compression_format]
				if input_path is None:
								A__        =			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__      )
				A__        =			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
												A__        =			file_path.read_text(encoding="utf-8"      )
				else:
								A__        =			output_path.read_text(encoding="utf-8"      )
				A__        =			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 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Optional[int]	,       SCREAMING_SNAKE_CASE_:							List[str]	,       SCREAMING_SNAKE_CASE_:							List[Any]	,       SCREAMING_SNAKE_CASE_:							Optional[int]	,       SCREAMING_SNAKE_CASE_:							Optional[Any]	,       SCREAMING_SNAKE_CASE_:							int	,       SCREAMING_SNAKE_CASE_:							Tuple	,       SCREAMING_SNAKE_CASE_:							List[Any]	,       SCREAMING_SNAKE_CASE_:							Dict	,       SCREAMING_SNAKE_CASE_:							str	,       SCREAMING_SNAKE_CASE_:							Union[str, Any]	,       SCREAMING_SNAKE_CASE_:							int	,       )			->      List[Any]:




				'''simple docstring'''





				A__        =			{
				    "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,
				}
				A__        =			input_paths[compression_format]
				if input_path is None:
								A__        =			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__      )
				A__        =			Extractor.infer_extractor_format(lowercase__      )
				assert extractor_format is not None
				A__        =			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
												A__        =			file_path.read_text(encoding="utf-8"      )
				else:
								A__        =			output_path.read_text(encoding="utf-8"      )
				A__        =			text_file.read_text(encoding="utf-8"      )
				assert extracted_file_content == expected_file_content



@pytest.fixture
def 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Dict	,       SCREAMING_SNAKE_CASE_:							str      )			->      Optional[int]:




				'''simple docstring'''





				import tarfile

				A__        =			tmp_path / "data_dot_dot"
				directory.mkdir()
				A__        =			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 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Any      )			->      Optional[int]:




				'''simple docstring'''





				import tarfile

				A__        =			tmp_path / "data_sym_link"
				directory.mkdir()
				A__        =			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 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Union[str, Any]	,       SCREAMING_SNAKE_CASE_:							List[str]	,       SCREAMING_SNAKE_CASE_:							Dict	,       SCREAMING_SNAKE_CASE_:							Optional[int]	,       SCREAMING_SNAKE_CASE_:							str	,       SCREAMING_SNAKE_CASE_:							Tuple      )			->      Any:




				'''simple docstring'''





				A__        =			{
				    "tar_file_with_dot_dot": tar_file_with_dot_dot,
				    "tar_file_with_sym_link": tar_file_with_sym_link,
				}
				A__        =			insecure_tar_files[insecure_tar_file]
				A__        =			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 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							Tuple      )			->      Tuple:




				'''simple docstring'''





				A__        =			tmpdir / "not_a_zip_file"
				# From: https://github.com/python/cpython/pull/5053
				A__        =			(
				    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




lowerCAmelCase__	   = """ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/"""



def 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							bytes      )			->      bytes:




				'''simple docstring'''





				if not isinstance(SCREAMING_SNAKE_CASE_	,       SCREAMING_SNAKE_CASE_      ):
								A__        =			F'a bytes-like object is required, not \'{data.__class__.__name__}\''
								raise TypeError(SCREAMING_SNAKE_CASE_      )

				A__        =			"".join(bin(SCREAMING_SNAKE_CASE_      )[2:].zfill(8      ) for byte in data      )

				A__        =			len(SCREAMING_SNAKE_CASE_      ) % 6 != 0

				if padding_needed:
								# The padding that will be added later
								A__        =			b"=" * ((6 - len(SCREAMING_SNAKE_CASE_      ) % 6) // 2)

								# Append binary_stream with arbitrary binary digits (0's by default) to make its
								# length a multiple of 6.
								binary_stream += "0" * (6 - len(SCREAMING_SNAKE_CASE_      ) % 6)
				else:
								A__        =			b""

				# Encode every 6 binary digits to their corresponding Base64 character
				return (
				    "".join(
				        B64_CHARSET[int(binary_stream[index : index + 6]	,       2      )]
				        for index in range(0	,       len(SCREAMING_SNAKE_CASE_      )	,       6      )      ).encode()
				    + padding
				)



def 					lowerCAmelCase__							(	SCREAMING_SNAKE_CASE_:							str      )			->      bytes:




				'''simple docstring'''





				if not isinstance(SCREAMING_SNAKE_CASE_	,       SCREAMING_SNAKE_CASE_      ) and not isinstance(SCREAMING_SNAKE_CASE_	,       SCREAMING_SNAKE_CASE_      ):
								A__        =			(
								    "argument should be a bytes-like object or ASCII string, "
								    F'not \'{encoded_data.__class__.__name__}\''
								)
								raise TypeError(SCREAMING_SNAKE_CASE_      )

				# In case encoded_data is a bytes-like object, make sure it contains only
				# ASCII characters so we convert it to a string object
				if isinstance(SCREAMING_SNAKE_CASE_	,       SCREAMING_SNAKE_CASE_      ):
								try:
												A__        =			encoded_data.decode("utf-8"      )
								except UnicodeDecodeError:
												raise ValueError("base64 encoded data should only contain ASCII characters"      )

				A__        =			encoded_data.count("="      )

				# Check if the encoded string contains non base64 characters
				if padding:
								assert all(
								    char in B64_CHARSET for char in encoded_data[:-padding]      ), "Invalid base64 character(s) found."
				else:
								assert all(
								    char in B64_CHARSET for char in encoded_data      ), "Invalid base64 character(s) found."

				# Check the padding
				assert len(SCREAMING_SNAKE_CASE_      ) % 4 == 0 and padding < 3, "Incorrect padding"

				if padding:
								# Remove padding if there is one
								A__        =			encoded_data[:-padding]

								A__        =			"".join(
								    bin(B64_CHARSET.index(SCREAMING_SNAKE_CASE_      )      )[2:].zfill(6      ) for char in encoded_data      )[: -padding * 2]
				else:
								A__        =			"".join(
								    bin(B64_CHARSET.index(SCREAMING_SNAKE_CASE_      )      )[2:].zfill(6      ) for char in encoded_data      )

				A__        =			[
				    int(binary_stream[index : index + 8]	,       2      )
				    for index in range(0	,       len(SCREAMING_SNAKE_CASE_      )	,       8      )
				]

				return bytes(SCREAMING_SNAKE_CASE_      )


if __name__ == "__main__":
	import doctest

	doctest.testmod()

