

import os
from pathlib import Path
from unittest.mock import patch

import pytest
import zstandard as zstd

from datasets.download.download_config import DownloadConfig
from datasets.utils.file_utils import (
    OfflineModeIsEnabled,
    cached_path,
    fsspec_get,
    fsspec_head,
    ftp_get,
    ftp_head,
    get_from_cache,
    http_get,
    http_head,
)


SCREAMING_SNAKE_CASE_        =      '\\n    Text data.\n    Second line of data.'

SCREAMING_SNAKE_CASE_        =      'file'

@pytest.fixture(scope="session" )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  List[str] )   ->       List[Any]:
				_UpperCAmelCase       :		List[Any] 		=    tmp_path_factory.mktemp("data" ) / (FILE_PATH + ".zstd")
				_UpperCAmelCase       :		Union[str, Any] 		=    bytes(lowerCAmelCase  ,      "utf-8" )
				with zstd.open(lowerCAmelCase  ,      "wb" ) as f:
								f.write(lowerCAmelCase )
				return path

@pytest.fixture
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str )   ->       int:
				with open(os.path.join(tmpfs.local_root_dir  ,      lowerCAmelCase )  ,      "w" ) as f:
								f.write(lowerCAmelCase )
				return FILE_PATH

@pytest.mark.parametrize("compression_format"  ,      ["gzip", "xz", "zstd"] )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  int  ,      lowerCAmelCase:  Any  ,      lowerCAmelCase:  Optional[int]  ,      lowerCAmelCase:  Optional[Any]  ,      lowerCAmelCase:  Optional[Any]  ,      lowerCAmelCase:  Any )   ->       Any:
				_UpperCAmelCase       :		List[str] 		=    {"gzip": gz_file, "xz": xz_file, "zstd": zstd_path}
				_UpperCAmelCase       :		List[Any] 		=    input_paths[compression_format]
				_UpperCAmelCase       :		Optional[Any] 		=    tmp_path / "cache"
				_UpperCAmelCase       :		Any 		=    DownloadConfig(cache_dir=lowerCAmelCase  ,      extract_compressed_file=lowerCAmelCase )
				_UpperCAmelCase       :		Optional[Any] 		=    cached_path(lowerCAmelCase  ,      download_config=lowerCAmelCase )
				with open(lowerCAmelCase ) as f:
								_UpperCAmelCase       :		Optional[int] 		=    f.read()
				with open(lowerCAmelCase ) as f:
								_UpperCAmelCase       :		Tuple 		=    f.read()
				assert extracted_file_content == expected_file_content

@pytest.mark.parametrize("default_extracted"  ,      [True, False] )
@pytest.mark.parametrize("default_cache_dir"  ,      [True, False] )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Any  ,      lowerCAmelCase:  Union[str, Any]  ,      lowerCAmelCase:  List[Any]  ,      lowerCAmelCase:  Any  ,      lowerCAmelCase:  int )   ->       Tuple:
				_UpperCAmelCase       :		List[Any] 		=    "custom_cache"
				_UpperCAmelCase       :		Any 		=    "custom_extracted_dir"
				_UpperCAmelCase       :		Optional[int] 		=    tmp_path / "custom_extracted_path"
				if default_extracted:
								_UpperCAmelCase       :		List[str] 		=    ("downloads" if default_cache_dir else custom_cache_dir, "extracted")
				else:
								monkeypatch.setattr("datasets.config.EXTRACTED_DATASETS_DIR"  ,      lowerCAmelCase )
								monkeypatch.setattr("datasets.config.EXTRACTED_DATASETS_PATH"  ,      str(lowerCAmelCase ) )
								_UpperCAmelCase       :		Optional[Any] 		=    custom_extracted_path.parts[-2:] if default_cache_dir else (custom_cache_dir, custom_extracted_dir)

				_UpperCAmelCase       :		int 		=    xz_file
				_UpperCAmelCase       :		Union[str, Any] 		=    (
				    DownloadConfig(extract_compressed_file=lowerCAmelCase )
				    if default_cache_dir
				    else DownloadConfig(cache_dir=tmp_path / custom_cache_dir  ,      extract_compressed_file=lowerCAmelCase )
				)
				_UpperCAmelCase       :		List[str] 		=    cached_path(lowerCAmelCase  ,      download_config=lowerCAmelCase )
				assert Path(lowerCAmelCase ).parent.parts[-2:] == expected

def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Union[str, Any] )   ->       List[Any]:
				# absolute path
				_UpperCAmelCase       :		Tuple 		=    str(Path(lowerCAmelCase ).resolve() )
				assert cached_path(lowerCAmelCase ) == text_file
				# relative path
				_UpperCAmelCase       :		Union[str, Any] 		=    str(Path(lowerCAmelCase ).resolve().relative_to(Path(os.getcwd() ) ) )
				assert cached_path(lowerCAmelCase ) == text_file

def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Optional[Any] )   ->       List[Any]:
				# absolute path
				_UpperCAmelCase       :		Optional[int] 		=    str(tmp_path.resolve() / "__missing_file__.txt" )
				with pytest.raises(lowerCAmelCase ):
								cached_path(lowerCAmelCase )
				# relative path
				_UpperCAmelCase       :		Dict 		=    "./__missing_file__.txt"
				with pytest.raises(lowerCAmelCase ):
								cached_path(lowerCAmelCase )

def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  List[Any] )   ->       Union[str, Any]:
				_UpperCAmelCase       :		Optional[int] 		=    get_from_cache(F'tmp://{tmpfs_file}' )
				with open(lowerCAmelCase ) as f:
								_UpperCAmelCase       :		str 		=    f.read()
				assert output_file_content == FILE_CONTENT

@patch("datasets.config.HF_DATASETS_OFFLINE"  ,      lowerCAmelCase )
def 							__SCREAMING_SNAKE_CASE							(				)   ->       Optional[Any]:
				with pytest.raises(lowerCAmelCase ):
								cached_path("https://huggingface.co" )

@patch("datasets.config.HF_DATASETS_OFFLINE"  ,      lowerCAmelCase )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Any )   ->       Tuple:
				_UpperCAmelCase       :		Tuple 		=    tmp_path_factory.mktemp("data" ) / "file.html"
				with pytest.raises(lowerCAmelCase ):
								http_get("https://huggingface.co"  ,      temp_file=lowerCAmelCase )
				with pytest.raises(lowerCAmelCase ):
								http_head("https://huggingface.co" )

@patch("datasets.config.HF_DATASETS_OFFLINE"  ,      lowerCAmelCase )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str )   ->       Optional[int]:
				_UpperCAmelCase       :		Optional[int] 		=    tmp_path_factory.mktemp("data" ) / "file.html"
				with pytest.raises(lowerCAmelCase ):
								ftp_get("ftp://huggingface.co"  ,      temp_file=lowerCAmelCase )
				with pytest.raises(lowerCAmelCase ):
								ftp_head("ftp://huggingface.co" )





@patch("datasets.config.HF_DATASETS_OFFLINE"  ,      lowerCAmelCase )
def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  Optional[Any] )   ->       Any:
				_UpperCAmelCase       :		Optional[int] 		=    tmp_path_factory.mktemp("data" ) / "file.html"
				with pytest.raises(lowerCAmelCase ):
								fsspec_get("s3://huggingface.co"  ,      temp_file=lowerCAmelCase )
				with pytest.raises(lowerCAmelCase ):
								fsspec_head("s3://huggingface.co" )





def 							__SCREAMING_SNAKE_CASE							(				lowerCAmelCase:  str  ,      lowerCAmelCase:  str )   ->       int:
				if len(lowerCAmelCase ) != len(lowerCAmelCase ):
								raise ValueError("String lengths must match!" )

				_UpperCAmelCase       :		List[Any] 		=    0

				for chara, chara in zip(lowerCAmelCase  ,      lowerCAmelCase ):
								if chara != chara:
												count += 1

				return count


if __name__ == "__main__":
					import doctest

					doctest.testmod()


