



"""simple docstring"""






import contextlib
import csv
import json
import os
import sqlitea
import tarfile
import textwrap
import zipfile

import pyarrow as pa
import pyarrow.parquet as pq
import pytest

import datasets
import datasets.config


@pytest.fixture(scope="session"      )
def      _lowercase							(    )		->  List[Any]:
			__lowerCAmelCase :    List[str]				=			10
			__lowerCAmelCase :    List[Any]				=			datasets.Features(
			    {
			        "tokens": datasets.Sequence(datasets.Value("string"      )      ),
			        "labels": datasets.Sequence(datasets.ClassLabel(names=["negative", "positive"]      )      ),
			        "answers": datasets.Sequence(
			            {
			                "text": datasets.Value("string"      ),
			                "answer_start": datasets.Value("int32"      ),
			            }      ),
			        "id": datasets.Value("int64"      ),
			    }      )
			__lowerCAmelCase :    Dict				=			datasets.Dataset.from_dict(
			    {
			        "tokens": [["foo"] * 5] * n,
			        "labels": [[1] * 5] * n,
			        "answers": [{"answer_start": [97], "text": ["1976"]}] * 10,
			        "id": list(range(__snake_case      )      ),
			    }   ,features=__snake_case   ,)
			return dataset


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  str:
			__lowerCAmelCase :    str				=			str(tmp_path_factory.mktemp("data"      ) / "file.arrow"      )
			dataset.map(cache_file_name=__snake_case      )
			return filename


# FILE_CONTENT + files


__snake_case				:  Union[str, Any] =       '\\n    Text data.\n    Second line of data.'


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Tuple:
			__lowerCAmelCase :    Union[str, Any]				=			tmp_path_factory.mktemp("data"      ) / "file.txt"
			__lowerCAmelCase :    str				=			FILE_CONTENT
			with open(__snake_case   ,"w"      ) as f:
						f.write(__snake_case      )
			return filename


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			import bza

			__lowerCAmelCase :    str				=			tmp_path_factory.mktemp("data"      ) / "file.txt.bz2"
			__lowerCAmelCase :    str				=			bytes(__snake_case   ,"utf-8"      )
			with bza.open(__snake_case   ,"wb"      ) as f:
						f.write(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Optional[Any]:
			import gzip

			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "file.txt.gz"      )
			__lowerCAmelCase :    Union[str, Any]				=			bytes(__snake_case   ,"utf-8"      )
			with gzip.open(__snake_case   ,"wb"      ) as f:
						f.write(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  List[str]:
			if datasets.config.LZ4_AVAILABLE:
						import lza.frame

						__lowerCAmelCase :    Dict				=			tmp_path_factory.mktemp("data"      ) / "file.txt.lz4"
						__lowerCAmelCase :    Tuple				=			bytes(__snake_case   ,"utf-8"      )
						with lza.frame.open(__snake_case   ,"wb"      ) as f:
									f.write(__snake_case      )
						return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  List[str]:
			if datasets.config.PY7ZR_AVAILABLE:
						import pyazr

						__lowerCAmelCase :    Union[str, Any]				=			tmp_path_factory.mktemp("data"      ) / "file.txt.7z"
						with pyazr.SevenZipFile(__snake_case   ,"w"      ) as archive:
									archive.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  Union[str, Any]:
			import tarfile

			__lowerCAmelCase :    Any				=			tmp_path_factory.mktemp("data"      ) / "file.txt.tar"
			with tarfile.TarFile(__snake_case   ,"w"      ) as f:
						f.add(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			import lzma

			__lowerCAmelCase :    Dict				=			tmp_path_factory.mktemp("data"      ) / "file.txt.xz"
			__lowerCAmelCase :    List[str]				=			bytes(__snake_case   ,"utf-8"      )
			with lzma.open(__snake_case   ,"wb"      ) as f:
						f.write(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  Any:
			import zipfile

			__lowerCAmelCase :    int				=			tmp_path_factory.mktemp("data"      ) / "file.txt.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Union[str, Any]:
			if datasets.config.ZSTANDARD_AVAILABLE:
						import zstandard as zstd

						__lowerCAmelCase :    List[str]				=			tmp_path_factory.mktemp("data"      ) / "file.txt.zst"
						__lowerCAmelCase :    List[Any]				=			bytes(__snake_case   ,"utf-8"      )
						with zstd.open(__snake_case   ,"wb"      ) as f:
									f.write(__snake_case      )
						return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    List[Any]				=			tmp_path_factory.mktemp("data"      ) / "file.xml"
			__lowerCAmelCase :    List[Any]				=			textwrap.dedent(
			    "\\n    <?xml version=\"1.0\" encoding=\"UTF-8\" ?>\n    <tmx version=\"1.4\">\n      <header segtype=\"sentence\" srclang=\"ca\" />\n      <body>\n        <tu>\n          <tuv xml:lang=\"ca\"><seg>Contingut 1</seg></tuv>\n          <tuv xml:lang=\"en\"><seg>Content 1</seg></tuv>\n        </tu>\n        <tu>\n          <tuv xml:lang=\"ca\"><seg>Contingut 2</seg></tuv>\n          <tuv xml:lang=\"en\"><seg>Content 2</seg></tuv>\n        </tu>\n        <tu>\n          <tuv xml:lang=\"ca\"><seg>Contingut 3</seg></tuv>\n          <tuv xml:lang=\"en\"><seg>Content 3</seg></tuv>\n        </tu>\n        <tu>\n          <tuv xml:lang=\"ca\"><seg>Contingut 4</seg></tuv>\n          <tuv xml:lang=\"en\"><seg>Content 4</seg></tuv>\n        </tu>\n        <tu>\n          <tuv xml:lang=\"ca\"><seg>Contingut 5</seg></tuv>\n          <tuv xml:lang=\"en\"><seg>Content 5</seg></tuv>\n        </tu>\n      </body>\n    </tmx>"      )
			with open(__snake_case   ,"w"      ) as f:
						f.write(__snake_case      )
			return filename


__snake_case				:  Optional[Any] =       [
    {'col_1': '0', 'col_2': 0, 'col_3': 0.0},
    {'col_1': '1', 'col_2': 1, 'col_3': 1.0},
    {'col_1': '2', 'col_2': 2, 'col_3': 2.0},
    {'col_1': '3', 'col_2': 3, 'col_3': 3.0},
]
__snake_case				:  int =       [
    {'col_1': '4', 'col_2': 4, 'col_3': 4.0},
    {'col_1': '5', 'col_2': 5, 'col_3': 5.0},
]
__snake_case				:  int =       {
    'col_1': ['0', '1', '2', '3'],
    'col_2': [0, 1, 2, 3],
    'col_3': [0.0, 1.0, 2.0, 3.0],
}

__snake_case				:  Dict =       [
    {'col_3': 0.0, 'col_1': '0', 'col_2': 0},
    {'col_3': 1.0, 'col_1': '1', 'col_2': 1},
]

__snake_case				:  List[Any] =       [
    {'col_1': 's0', 'col_2': 0, 'col_3': 0.0},
    {'col_1': 's1', 'col_2': 1, 'col_3': 1.0},
    {'col_1': 's2', 'col_2': 2, 'col_3': 2.0},
    {'col_1': 's3', 'col_2': 3, 'col_3': 3.0},
]


@pytest.fixture(scope="session"      )
def      _lowercase							(    )		->  str:
			return DATA_DICT_OF_LISTS


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			__lowerCAmelCase :    Any				=			datasets.Dataset.from_dict(__snake_case      )
			__lowerCAmelCase :    List[Any]				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.arrow"      )
			dataset.map(cache_file_name=__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Dict:
			__lowerCAmelCase :    List[str]				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.sqlite"      )
			with contextlib.closing(sqlitea.connect(__snake_case      )      ) as con:
						__lowerCAmelCase :    List[Any]				=			con.cursor()
						cur.execute("CREATE TABLE dataset(col_1 text, col_2 int, col_3 real)"      )
						for item in DATA:
									cur.execute("INSERT INTO dataset(col_1, col_2, col_3) VALUES (?, ?, ?)"   ,tuple(item.values()      )      )
						con.commit()
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Any:
			__lowerCAmelCase :    Tuple				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.csv"      )
			with open(__snake_case   ,"w"   ,newline=""      ) as f:
						__lowerCAmelCase :    Tuple				=			csv.DictWriter(__snake_case   ,fieldnames=["col_1", "col_2", "col_3"]      )
						writer.writeheader()
						for item in DATA:
									writer.writerow(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			__lowerCAmelCase :    Tuple				=			str(tmp_path_factory.mktemp("data"      ) / "dataset2.csv"      )
			with open(__snake_case   ,"w"   ,newline=""      ) as f:
						__lowerCAmelCase :    List[str]				=			csv.DictWriter(__snake_case   ,fieldnames=["col_1", "col_2", "col_3"]      )
						writer.writeheader()
						for item in DATA:
									writer.writerow(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  Dict:
			import bza

			__lowerCAmelCase :    int				=			tmp_path_factory.mktemp("data"      ) / "dataset.csv.bz2"
			with open(__snake_case   ,"rb"      ) as f:
						__lowerCAmelCase :    Optional[int]				=			f.read()
			# data = bytes(FILE_CONTENT, "utf-8")
			with bza.open(__snake_case   ,"wb"      ) as f:
						f.write(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Any:
			__lowerCAmelCase :    Optional[int]				=			tmp_path_factory.mktemp("data"      ) / "dataset.csv.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Optional[int]:
			__lowerCAmelCase :    Tuple				=			tmp_path_factory.mktemp("data"      ) / "dataset.csv.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(csv_path.replace(".csv"   ,".CSV"      )      )      )
						f.write(__snake_case   ,arcname=os.path.basename(csva_path.replace(".csv"   ,".CSV"      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Dict:
			__lowerCAmelCase :    Optional[int]				=			tmp_path_factory.mktemp("data"      ) / "dataset_with_dir.csv.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Dict:
			__lowerCAmelCase :    int				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.parquet"      )
			__lowerCAmelCase :    List[str]				=			pa.schema(
			    {
			        "col_1": pa.string(),
			        "col_2": pa.intaa(),
			        "col_3": pa.floataa(),
			    }      )
			with open(__snake_case   ,"wb"      ) as f:
						__lowerCAmelCase :    int				=			pq.ParquetWriter(__snake_case   ,schema=__snake_case      )
						__lowerCAmelCase :    str				=			pa.Table.from_pydict({k: [DATA[i][k] for i in range(len(__snake_case      )      )] for k in DATA[0]}   ,schema=__snake_case      )
						writer.write_table(__snake_case      )
						writer.close()
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Optional[int]:
			__lowerCAmelCase :    int				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.json"      )
			__lowerCAmelCase :    List[Any]				=			{"data": DATA}
			with open(__snake_case   ,"w"      ) as f:
						json.dump(__snake_case   ,__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    str				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.json"      )
			__lowerCAmelCase :    List[Any]				=			{"data": DATA_DICT_OF_LISTS}
			with open(__snake_case   ,"w"      ) as f:
						json.dump(__snake_case   ,__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.jsonl"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in DATA:
									f.write(json.dumps(__snake_case      ) + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Dict:
			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "dataset2.jsonl"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in DATA:
									f.write(json.dumps(__snake_case      ) + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Dict:
			__lowerCAmelCase :    Tuple				=			str(tmp_path_factory.mktemp("data"      ) / "dataset_312.jsonl"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in DATA_312:
									f.write(json.dumps(__snake_case      ) + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Optional[int]:
			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "dataset-str.jsonl"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in DATA_STR:
									f.write(json.dumps(__snake_case      ) + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  List[str]:
			import gzip

			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.txt.gz"      )
			with open(__snake_case   ,"rb"      ) as orig_file:
						with gzip.open(__snake_case   ,"wb"      ) as zipped_file:
									zipped_file.writelines(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  Dict:
			import gzip

			__lowerCAmelCase :    str				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.jsonl.gz"      )
			with open(__snake_case   ,"rb"      ) as orig_file:
						with gzip.open(__snake_case   ,"wb"      ) as zipped_file:
									zipped_file.writelines(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Any:
			__lowerCAmelCase :    Optional[Any]				=			tmp_path_factory.mktemp("data"      ) / "dataset.jsonl.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case   ,__snake_case      )		->  List[Any]:
			__lowerCAmelCase :    Union[str, Any]				=			tmp_path_factory.mktemp("data"      ) / "dataset_nested.jsonl.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.join("nested"   ,os.path.basename(__snake_case      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  List[Any]:
			__lowerCAmelCase :    Any				=			tmp_path_factory.mktemp("data"      ) / "dataset_with_dir.jsonl.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    Optional[int]				=			tmp_path_factory.mktemp("data"      ) / "dataset.jsonl.tar"
			with tarfile.TarFile(__snake_case   ,"w"      ) as f:
						f.add(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						f.add(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case   ,__snake_case      )		->  Optional[Any]:
			__lowerCAmelCase :    Union[str, Any]				=			tmp_path_factory.mktemp("data"      ) / "dataset_nested.jsonl.tar"
			with tarfile.TarFile(__snake_case   ,"w"      ) as f:
						f.add(__snake_case   ,arcname=os.path.join("nested"   ,os.path.basename(__snake_case      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Dict:
			__lowerCAmelCase :    Union[str, Any]				=			["0", "1", "2", "3"]
			__lowerCAmelCase :    Tuple				=			str(tmp_path_factory.mktemp("data"      ) / "dataset.txt"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in data:
									f.write(item + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Optional[Any]:
			__lowerCAmelCase :    Union[str, Any]				=			["0", "1", "2", "3"]
			__lowerCAmelCase :    Dict				=			str(tmp_path_factory.mktemp("data"      ) / "dataset2.txt"      )
			with open(__snake_case   ,"w"      ) as f:
						for item in data:
									f.write(item + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			__lowerCAmelCase :    Optional[Any]				=			["0", "1", "2", "3"]
			__lowerCAmelCase :    int				=			tmp_path_factory.mktemp("data"      ) / "dataset.abc"
			with open(__snake_case   ,"w"      ) as f:
						for item in data:
									f.write(item + "\n"      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  List[Any]:
			__lowerCAmelCase :    int				=			tmp_path_factory.mktemp("data"      ) / "dataset.text.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Optional[int]:
			__lowerCAmelCase :    Union[str, Any]				=			tmp_path_factory.mktemp("data"      ) / "dataset_with_dir.text.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
						f.write(__snake_case   ,arcname=os.path.join("main_dir"   ,os.path.basename(__snake_case      )      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    Any				=			tmp_path_factory.mktemp("data"      ) / "dataset.ext.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename("unsupported.ext"      )      )
						f.write(__snake_case   ,arcname=os.path.basename("unsupported_2.ext"      )      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    str				=			"\n".join(["First", "Second\u2029with Unicode new line", "Third"]      )
			__lowerCAmelCase :    Optional[int]				=			str(tmp_path_factory.mktemp("data"      ) / "dataset_with_unicode_new_lines.txt"      )
			with open(__snake_case   ,"w"   ,encoding="utf-8"      ) as f:
						f.write(__snake_case      )
			return path


@pytest.fixture(scope="session"      )
def      _lowercase							(    )		->  Dict:
			return os.path.join("tests"   ,"features"   ,"data"   ,"test_image_rgb.jpg"      )


@pytest.fixture(scope="session"      )
def      _lowercase							(    )		->  Union[str, Any]:
			return os.path.join("tests"   ,"features"   ,"data"   ,"test_audio_44100.wav"      )


@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case   ,__snake_case      )		->  Union[str, Any]:
			__lowerCAmelCase :    Dict				=			tmp_path_factory.mktemp("data"      ) / "dataset.img.zip"
			with zipfile.ZipFile(__snake_case   ,"w"      ) as f:
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      )      )
						f.write(__snake_case   ,arcname=os.path.basename(__snake_case      ).replace(".jpg"   ,"2.jpg"      )      )
			return path





@pytest.fixture(scope="session"      )
def      _lowercase							(    __snake_case      )		->  str:
			__lowerCAmelCase :    List[Any]				=			tmp_path_factory.mktemp("data_dir"      )

			(data_dir / "subdir").mkdir()
			with open(data_dir / "subdir" / "train.txt"   ,"w"      ) as f:
						f.write("foo\n" * 10      )
			with open(data_dir / "subdir" / "test.txt"   ,"w"      ) as f:
						f.write("bar\n" * 10      )
			# hidden file
			with open(data_dir / "subdir" / ".test.txt"   ,"w"      ) as f:
						f.write("bar\n" * 10      )

			# hidden directory
			(data_dir / ".subdir").mkdir()
			with open(data_dir / ".subdir" / "train.txt"   ,"w"      ) as f:
						f.write("foo\n" * 10      )
			with open(data_dir / ".subdir" / "test.txt"   ,"w"      ) as f:
						f.write("bar\n" * 10      )

			return data_dir




"""simple docstring"""






from math import factorial



class      A__  :




	'''simple docstring'''





	def __init__(	self:						str			,     _SCREAMING_SNAKE_CASE:						Tuple			,     _SCREAMING_SNAKE_CASE:						Any)							->			str:

				"""simple docstring"""

				__lowerCAmelCase :    str				=			real
				if isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							__lowerCAmelCase :    Optional[int]				=			[1] * rank
				else:
							__lowerCAmelCase :    Optional[Any]				=			rank

	def __repr__(	self:						Optional[int])							->			List[str]:

				"""simple docstring"""

				return (
				    F"""{self.real}+"""
				    F"""{'+'.join(str(_SCREAMING_SNAKE_CASE)+'E'+str(n+1)for n,dual in enumerate(self.duals))}"""
				)

	def 				_SCREAMING_SNAKE_CASE  (	self:						List[str])							->			Union[str, Any]:

				"""simple docstring"""

				__lowerCAmelCase :    List[str]				=			self.duals.copy()
				while cur[-1] == 0:
							cur.pop(-1)
				return Dual(self.real			,     _SCREAMING_SNAKE_CASE)

	def __add__(	self:						Optional[int]			,     _SCREAMING_SNAKE_CASE:						Tuple)							->			Union[str, Any]:

				"""simple docstring"""

				if not isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							return Dual(self.real + other			,     self.duals)
				__lowerCAmelCase :    int				=			self.duals.copy()
				__lowerCAmelCase :    List[Any]				=			other.duals.copy()
				if len(_SCREAMING_SNAKE_CASE) > len(_SCREAMING_SNAKE_CASE):
							o_dual.extend([1] * (len(_SCREAMING_SNAKE_CASE) - len(_SCREAMING_SNAKE_CASE)))
				elif len(_SCREAMING_SNAKE_CASE) < len(_SCREAMING_SNAKE_CASE):
							s_dual.extend([1] * (len(_SCREAMING_SNAKE_CASE) - len(_SCREAMING_SNAKE_CASE)))
				__lowerCAmelCase :    Tuple				=			[]
				for i in range(len(_SCREAMING_SNAKE_CASE)):
							new_duals.append(s_dual[i] + o_dual[i])
				return Dual(self.real + other.real			,     _SCREAMING_SNAKE_CASE)

	SCREAMING_SNAKE_CASE        =      __add__

	def __sub__(	self:						Dict			,     _SCREAMING_SNAKE_CASE:						str)							->			Optional[Any]:

				"""simple docstring"""

				return self + other * -1

	def __mul__(	self:						str			,     _SCREAMING_SNAKE_CASE:						Tuple)							->			Optional[int]:

				"""simple docstring"""

				if not isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							__lowerCAmelCase :    List[Any]				=			[]
							for i in self.duals:
										new_duals.append(i * other)
							return Dual(self.real * other			,     _SCREAMING_SNAKE_CASE)
				__lowerCAmelCase :    List[str]				=			[0] * (len(self.duals) + len(other.duals) + 1)
				for i, item in enumerate(self.duals):
							for j, jtem in enumerate(other.duals):
										new_duals[i + j + 1] += item * jtem
				for k in range(len(self.duals)):
							new_duals[k] += self.duals[k] * other.real
				for index in range(len(other.duals)):
							new_duals[index] += other.duals[index] * self.real
				return Dual(self.real * other.real			,     _SCREAMING_SNAKE_CASE)

	SCREAMING_SNAKE_CASE        =      __mul__

	def __truediv__(	self:						Any			,     _SCREAMING_SNAKE_CASE:						str)							->			Dict:

				"""simple docstring"""

				if not isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							__lowerCAmelCase :    List[str]				=			[]
							for i in self.duals:
										new_duals.append(i / other)
							return Dual(self.real / other			,     _SCREAMING_SNAKE_CASE)
				raise ValueError

	def __floordiv__(	self:						List[Any]			,     _SCREAMING_SNAKE_CASE:						Tuple)							->			str:

				"""simple docstring"""

				if not isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							__lowerCAmelCase :    str				=			[]
							for i in self.duals:
										new_duals.append(i // other)
							return Dual(self.real // other			,     _SCREAMING_SNAKE_CASE)
				raise ValueError







	def __pow__(	self:						Optional[Any]			,     _SCREAMING_SNAKE_CASE:						Tuple)							->			List[Any]:

				"""simple docstring"""

				if n < 0 or isinstance(_SCREAMING_SNAKE_CASE			,     _SCREAMING_SNAKE_CASE):
							raise ValueError("power must be a positive integer")
				if n == 0:
							return 1
				if n == 1:
							return self
				__lowerCAmelCase :    List[Any]				=			self
				for _ in range(n - 1):
							x *= self
				return x






def      _lowercase							(    __snake_case   ,__snake_case   ,__snake_case      )		->  Any:
			if not callable(__snake_case      ):
						raise ValueError("differentiate() requires a function as input for func"      )
			if not isinstance(__snake_case   ,(float, int)      ):
						raise ValueError("differentiate() requires a float as input for position"      )
			if not isinstance(__snake_case   ,__snake_case      ):
						raise ValueError("differentiate() requires an int as input for order"      )
			__lowerCAmelCase :    Any				=			Dual(__snake_case   ,1      )
			__lowerCAmelCase :    Tuple				=			func(__snake_case      )
			if order == 0:
						return result.real
			return result.duals[order - 1] * factorial(__snake_case      )


if __name__ == "__main__":
	import doctest

	doctest.testmod()


	def      _lowercase							(    __snake_case      )		->  Tuple:
				return y**2 * y**4





	print(differentiate(f, 9, 2))