using System;

using System.Linq;

using System.Collections.Generic;

using System.IO;

using System.Text;

namespace Tensorflow.Keras.Utils

{

public class data_utils

{

public static string get_file(string fname, string origin,

bool untar = false,

string md5_hash = null,

string file_hash = null,

string cache_subdir = "datasets",

string hash_algorithm = "auto",

bool extract = false,

string archive_format = "auto",

string cache_dir = null)

{

if (string.IsNullOrEmpty(cache_dir))

cache_dir = Path.GetTempPath();

var datadir_base = cache_dir;

Directory.CreateDirectory(datadir_base);

var datadir = Path.Combine(datadir_base, cache_subdir);

Directory.CreateDirectory(datadir);

Web.Download(origin, datadir, fname);

var archive = Path.Combine(datadir, fname);

if (untar)

Compress.ExtractTGZ(archive, datadir);

else if (extract && fname.EndsWith(".gz"))

Compress.ExtractGZip(archive, datadir);

else if (extract && fname.EndsWith(".zip"))

Compress.UnZip(archive, datadir);

return datadir;

}

}

}