






from PIL import Image





def 						__UpperCAmelCase			(     a_):
							snake_case_			,		snake_case_				=							image.size
							snake_case_				=							0
							snake_case_				=							image.load()
							for i in range(a_):
														for j in range(a_):
																					snake_case_				=							pixels[j, i]
																					mean += pixel
							mean //= width * height

							for j in range(a_):
														for i in range(a_):
																					snake_case_				=							2_55 if pixels[i, j] > mean else 0
							return image


if __name__ == "__main__":
	lowercase  							=					mean_threshold(Image.open("path_to_image").convert("L"))
	image.save("output_image_path")













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,
)


lowercase  							=					"\\n    Text data.\n    Second line of data."

lowercase  							=					"file"





@pytest.fixture(scope='session')
def 						__UpperCAmelCase			(     a_):
							snake_case_				=							tmp_path_factory.mktemp('data') / (FILE_PATH + '.zstd')
							snake_case_				=							bytes(a_							,     'utf-8')
							with zstd.open(a_							,     'wb') as f:
														f.write(a_)
							return path





@pytest.fixture
def 						__UpperCAmelCase			(     a_):
							with open(os.path.join(tmpfs.local_root_dir							,     a_)							,     'w') as f:
														f.write(a_)
							return FILE_PATH





@pytest.mark.parametrize('compression_format'							,     ['gzip', 'xz', 'zstd'])
def 						__UpperCAmelCase			(     a_							,     a_							,     a_							,     a_							,     a_							,     a_):
							snake_case_				=							{'gzip': gz_file, 'xz': xz_file, 'zstd': zstd_path}
							snake_case_				=							input_paths[compression_format]
							snake_case_				=							tmp_path / 'cache'
							snake_case_				=							DownloadConfig(cache_dir=a_							,     extract_compressed_file=a_)
							snake_case_				=							cached_path(a_							,     download_config=a_)
							with open(a_) as f:
														snake_case_				=							f.read()
							with open(a_) as f:
														snake_case_				=							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 						__UpperCAmelCase			(     a_							,     a_							,     a_							,     a_							,     a_):
							snake_case_				=							'custom_cache'
							snake_case_				=							'custom_extracted_dir'
							snake_case_				=							tmp_path / 'custom_extracted_path'
							if default_extracted:
														snake_case_				=							('downloads' if default_cache_dir else custom_cache_dir, 'extracted')
							else:
														monkeypatch.setattr('datasets.config.EXTRACTED_DATASETS_DIR'							,     a_)
														monkeypatch.setattr('datasets.config.EXTRACTED_DATASETS_PATH'							,     str(a_))
														snake_case_				=							custom_extracted_path.parts[-2:] if default_cache_dir else (custom_cache_dir, custom_extracted_dir)

							snake_case_				=							xz_file
							snake_case_				=							(
							    DownloadConfig(extract_compressed_file=a_)
							    if default_cache_dir
							    else DownloadConfig(cache_dir=tmp_path / custom_cache_dir							,     extract_compressed_file=a_)
							)
							snake_case_				=							cached_path(a_							,     download_config=a_)
							assert Path(a_).parent.parts[-2:] == expected





def 						__UpperCAmelCase			(     a_):
							# absolute path
							snake_case_				=							str(Path(a_).resolve())
							assert cached_path(a_) == text_file
							# relative path
							snake_case_				=							str(Path(a_).resolve().relative_to(Path(os.getcwd())))
							assert cached_path(a_) == text_file





def 						__UpperCAmelCase			(     a_):
							# absolute path
							snake_case_				=							str(tmp_path.resolve() / '__missing_file__.txt')
							with pytest.raises(a_):
														cached_path(a_)
							# relative path
							snake_case_				=							'./__missing_file__.txt'
							with pytest.raises(a_):
														cached_path(a_)





def 						__UpperCAmelCase			(     a_):
							snake_case_				=							get_from_cache(f'''tmp://{tmpfs_file}''')
							with open(a_) as f:
														snake_case_				=							f.read()
							assert output_file_content == FILE_CONTENT





@patch('datasets.config.HF_DATASETS_OFFLINE'							,     a_)
def 						__UpperCAmelCase			(     ):
							with pytest.raises(a_):
														cached_path('https://huggingface.co')





@patch('datasets.config.HF_DATASETS_OFFLINE'							,     a_)
def 						__UpperCAmelCase			(     a_):
							snake_case_				=							tmp_path_factory.mktemp('data') / 'file.html'
							with pytest.raises(a_):
														http_get('https://huggingface.co'							,     temp_file=a_)
							with pytest.raises(a_):
														http_head('https://huggingface.co')





@patch('datasets.config.HF_DATASETS_OFFLINE'							,     a_)
def 						__UpperCAmelCase			(     a_):
							snake_case_				=							tmp_path_factory.mktemp('data') / 'file.html'
							with pytest.raises(a_):
														ftp_get('ftp://huggingface.co'							,     temp_file=a_)
							with pytest.raises(a_):
														ftp_head('ftp://huggingface.co')





@patch('datasets.config.HF_DATASETS_OFFLINE'							,     a_)
def 						__UpperCAmelCase			(     a_):
							snake_case_				=							tmp_path_factory.mktemp('data') / 'file.html'
							with pytest.raises(a_):
														fsspec_get('s3://huggingface.co'							,     temp_file=a_)
							with pytest.raises(a_):
														fsspec_head('s3://huggingface.co')





