"""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   a_						(					):
				UpperCAmelCase__             =							1_0
				UpperCAmelCase__             =							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'       ),
				    }       )
				UpperCAmelCase__             =							datasets.Dataset.from_dict(
				    {
				        'tokens': [['foo'] * 5] * n,
				        'labels': [[1] * 5] * n,
				        'answers': [{'answer_start': [9_7], 'text': ['1976']}] * 1_0,
				        'id': list(range(lowerCamelCase       )       ),
				    }					,			features=lowerCamelCase					,			)
				return dataset



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'file.arrow'       )
				dataset.map(cache_file_name=lowerCamelCase       )
				return filename


# FILE_CONTENT + files


lowerCAmelCase__  :  Tuple						     =	'\\n    Text data.\n    Second line of data.'



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt'
				UpperCAmelCase__             =							FILE_CONTENT
				with open(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase       )
				return filename



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				import bza

				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.bz2'
				UpperCAmelCase__             =							bytes(lowerCamelCase					,			'utf-8'       )
				with bza.open(lowerCamelCase					,			'wb'       ) as f:
								f.write(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				import gzip

				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'file.txt.gz'       )
				UpperCAmelCase__             =							bytes(lowerCamelCase					,			'utf-8'       )
				with gzip.open(lowerCamelCase					,			'wb'       ) as f:
								f.write(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				if datasets.config.LZ4_AVAILABLE:
								import lza.frame

								UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.lz4'
								UpperCAmelCase__             =							bytes(lowerCamelCase					,			'utf-8'       )
								with lza.frame.open(lowerCamelCase					,			'wb'       ) as f:
												f.write(lowerCamelCase       )
								return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				if datasets.config.PY7ZR_AVAILABLE:
								import pyazr

								UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.7z'
								with pyazr.SevenZipFile(lowerCamelCase					,			'w'       ) as archive:
												archive.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				import tarfile

				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.tar'
				with tarfile.TarFile(lowerCamelCase					,			'w'       ) as f:
								f.add(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				import lzma

				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.xz'
				UpperCAmelCase__             =							bytes(lowerCamelCase					,			'utf-8'       )
				with lzma.open(lowerCamelCase					,			'wb'       ) as f:
								f.write(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				import zipfile

				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				if datasets.config.ZSTANDARD_AVAILABLE:
								import zstandard as zstd

								UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.txt.zst'
								UpperCAmelCase__             =							bytes(lowerCamelCase					,			'utf-8'       )
								with zstd.open(lowerCamelCase					,			'wb'       ) as f:
												f.write(lowerCamelCase       )
								return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'file.xml'
				UpperCAmelCase__             =							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(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase       )
				return filename


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

lowerCAmelCase__  :  Any						     =	[
    {'col_3': 0.0, 'col_1': '0', 'col_2': 0},
    {'col_3': 1.0, 'col_1': '1', 'col_2': 1},
]

lowerCAmelCase__  :  Union[str, 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   a_						(					):
				return DATA_DICT_OF_LISTS



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							datasets.Dataset.from_dict(lowerCamelCase       )
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.arrow'       )
				dataset.map(cache_file_name=lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.sqlite'       )
				with contextlib.closing(sqlitea.connect(lowerCamelCase       )       ) as con:
								UpperCAmelCase__             =							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   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.csv'       )
				with open(lowerCamelCase					,			'w'					,			newline=''       ) as f:
								UpperCAmelCase__             =							csv.DictWriter(lowerCamelCase					,			fieldnames=['col_1', 'col_2', 'col_3']       )
								writer.writeheader()
								for item in DATA:
												writer.writerow(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset2.csv'       )
				with open(lowerCamelCase					,			'w'					,			newline=''       ) as f:
								UpperCAmelCase__             =							csv.DictWriter(lowerCamelCase					,			fieldnames=['col_1', 'col_2', 'col_3']       )
								writer.writeheader()
								for item in DATA:
												writer.writerow(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				import bza

				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.csv.bz2'
				with open(lowerCamelCase					,			'rb'       ) as f:
								UpperCAmelCase__             =							f.read()
				# data = bytes(FILE_CONTENT, "utf-8")
				with bza.open(lowerCamelCase					,			'wb'       ) as f:
								f.write(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.csv.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.csv.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(csv_path.replace('.csv'					,			'.CSV'       )       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename(csva_path.replace('.csv'					,			'.CSV'       )       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset_with_dir.csv.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
				return path



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



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.json'       )
				UpperCAmelCase__             =							{'data': DATA}
				with open(lowerCamelCase					,			'w'       ) as f:
								json.dump(lowerCamelCase					,			lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.json'       )
				UpperCAmelCase__             =							{'data': DATA_DICT_OF_LISTS}
				with open(lowerCamelCase					,			'w'       ) as f:
								json.dump(lowerCamelCase					,			lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.jsonl'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in DATA:
												f.write(json.dumps(lowerCamelCase       ) + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset2.jsonl'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in DATA:
												f.write(json.dumps(lowerCamelCase       ) + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset_312.jsonl'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in DATA_312:
												f.write(json.dumps(lowerCamelCase       ) + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset-str.jsonl'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in DATA_STR:
												f.write(json.dumps(lowerCamelCase       ) + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				import gzip

				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.txt.gz'       )
				with open(lowerCamelCase					,			'rb'       ) as orig_file:
								with gzip.open(lowerCamelCase					,			'wb'       ) as zipped_file:
												zipped_file.writelines(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				import gzip

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



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.jsonl.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset_nested.jsonl.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.join('nested'					,			os.path.basename(lowerCamelCase       )       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset_with_dir.jsonl.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.jsonl.tar'
				with tarfile.TarFile(lowerCamelCase					,			'w'       ) as f:
								f.add(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								f.add(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset_nested.jsonl.tar'
				with tarfile.TarFile(lowerCamelCase					,			'w'       ) as f:
								f.add(lowerCamelCase					,			arcname=os.path.join('nested'					,			os.path.basename(lowerCamelCase       )       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							['0', '1', '2', '3']
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset.txt'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in data:
												f.write(item + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							['0', '1', '2', '3']
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset2.txt'       )
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in data:
												f.write(item + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							['0', '1', '2', '3']
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.abc'
				with open(lowerCamelCase					,			'w'       ) as f:
								for item in data:
												f.write(item + '\n'       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.text.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset_with_dir.text.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
								f.write(lowerCamelCase					,			arcname=os.path.join('main_dir'					,			os.path.basename(lowerCamelCase       )       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.ext.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename('unsupported.ext'       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename('unsupported_2.ext'       )       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							'\n'.join(['First', 'Second\u2029with Unicode new line', 'Third']       )
				UpperCAmelCase__             =							str(tmp_path_factory.mktemp('data'       ) / 'dataset_with_unicode_new_lines.txt'       )
				with open(lowerCamelCase					,			'w'					,			encoding='utf-8'       ) as f:
								f.write(lowerCamelCase       )
				return path



@pytest.fixture(scope='session'       )
def   a_						(					):
				return os.path.join('tests'					,			'features'					,			'data'					,			'test_image_rgb.jpg'       )



@pytest.fixture(scope='session'       )
def   a_						(					):
				return os.path.join('tests'					,			'features'					,			'data'					,			'test_audio_44100.wav'       )



@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase					,			lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data'       ) / 'dataset.img.zip'
				with zipfile.ZipFile(lowerCamelCase					,			'w'       ) as f:
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       )       )
								f.write(lowerCamelCase					,			arcname=os.path.basename(lowerCamelCase       ).replace('.jpg'					,			'2.jpg'       )       )
				return path







@pytest.fixture(scope='session'       )
def   a_						(					lowerCamelCase       ):
				UpperCAmelCase__             =							tmp_path_factory.mktemp('data_dir'       )

				(data_dir / "subdir").mkdir()
				with open(data_dir / 'subdir' / 'train.txt'					,			'w'       ) as f:
								f.write('foo\n' * 1_0       )
				with open(data_dir / 'subdir' / 'test.txt'					,			'w'       ) as f:
								f.write('bar\n' * 1_0       )
				# hidden file
				with open(data_dir / 'subdir' / '.test.txt'					,			'w'       ) as f:
								f.write('bar\n' * 1_0       )

				# hidden directory
				(data_dir / ".subdir").mkdir()
				with open(data_dir / '.subdir' / 'train.txt'					,			'w'       ) as f:
								f.write('foo\n' * 1_0       )
				with open(data_dir / '.subdir' / 'test.txt'					,			'w'       ) as f:
								f.write('bar\n' * 1_0       )

				return data_dir




"""simple docstring"""






from __future__ import annotations

from collections import namedtuple
from dataclasses import dataclass
@dataclass
class 				snake_case       :




					"""simple docstring"""

					snake_case__				    = 42
					snake_case__				    = None
					snake_case__				    = None






lowerCAmelCase__  :  Union[str, Any]						     =	namedtuple('CoinsDistribResult', 'moves excess')



def   a_						(					lowerCamelCase       ):

				if root is None:
								return 0

				# Validation
				def count_nodes(lowerCamelCase       ) -> int:
								if node is None:
												return 0

								return count_nodes(node.left       ) + count_nodes(node.right       ) + 1

				def count_coins(lowerCamelCase       ) -> int:
								if node is None:
												return 0

								return count_coins(node.left       ) + count_coins(node.right       ) + node.data

				if count_nodes(lowerCamelCase       ) != count_coins(lowerCamelCase       ):
								raise ValueError('The nodes number should be same as the number of coins'       )

				# Main calculation
				def get_distrib(lowerCamelCase       ) -> CoinsDistribResult:

								if node is None:
												return CoinsDistribResult(0					,			1       )

								UpperCAmelCase__      ,	UpperCAmelCase__             =							get_distrib(node.left       )
								UpperCAmelCase__      ,	UpperCAmelCase__             =							get_distrib(node.right       )

								UpperCAmelCase__             =							1 - left_distrib_excess
								UpperCAmelCase__             =							1 - right_distrib_excess

								UpperCAmelCase__             =							(
								    left_distrib_moves
								    + right_distrib_moves
								    + abs(lowerCamelCase       )
								    + abs(lowerCamelCase       )
								)
								UpperCAmelCase__             =							node.data - coins_to_left - coins_to_right

								return CoinsDistribResult(lowerCamelCase					,			lowerCamelCase       )

				return get_distrib(lowerCamelCase       )[0]


if __name__ == "__main__":
						import doctest

						doctest.testmod()



