mirror of
https://github.com/NixOS/nixpkgs.git
synced 2024-12-21 05:04:00 +00:00
46 lines
1.7 KiB
Nix
46 lines
1.7 KiB
Nix
{ stdenvNoCC, fetchurl }:
|
|
let
|
|
srcs = {
|
|
train-images = fetchurl {
|
|
url = "http://yann.lecun.com/exdb/mnist/train-images-idx3-ubyte.gz";
|
|
sha256 = "029na81z5a1c9l1a8472dgshami6f2iixs3m2ji6ym6cffzwl3s4";
|
|
};
|
|
train-labels = fetchurl {
|
|
url = "http://yann.lecun.com/exdb/mnist/train-labels-idx1-ubyte.gz";
|
|
sha256 = "0p152200wwx0w65sqb65grb3v8ncjp230aykmvbbx2sm19556lim";
|
|
};
|
|
test-images = fetchurl {
|
|
url = "http://yann.lecun.com/exdb/mnist/t10k-images-idx3-ubyte.gz";
|
|
sha256 = "1rn4vfigaxn2ms24bf4jwzzflgp3hvz0gksvb8j7j70w19xjqhld";
|
|
};
|
|
test-labels = fetchurl {
|
|
url = "http://yann.lecun.com/exdb/mnist/t10k-labels-idx1-ubyte.gz";
|
|
sha256 = "1imf0i194ndjxzxdx87zlgn728xx3p1qhq1ssbmnvv005vwn1bpp";
|
|
};
|
|
};
|
|
in
|
|
stdenvNoCC.mkDerivation rec {
|
|
pname = "mnist";
|
|
version = "2018-11-16";
|
|
installPhase = ''
|
|
mkdir -p $out
|
|
ln -s "${srcs.train-images}" "$out/${srcs.train-images.name}"
|
|
ln -s "${srcs.train-labels}" "$out/${srcs.train-labels.name}"
|
|
ln -s "${srcs.test-images}" "$out/${srcs.test-images.name}"
|
|
ln -s "${srcs.test-labels}" "$out/${srcs.test-labels.name}"
|
|
'';
|
|
phases = [ "installPhase" ];
|
|
meta = with stdenvNoCC.lib; {
|
|
description = "A large database of handwritten digits";
|
|
longDescription = ''
|
|
The MNIST database (Modified National Institute of Standards and
|
|
Technology database) is a large database of handwritten digits that is
|
|
commonly used for training various image processing systems.
|
|
'';
|
|
homepage = http://yann.lecun.com/exdb/mnist/index.html;
|
|
license = licenses.cc-by-sa-30;
|
|
platforms = platforms.all;
|
|
maintainers = with maintainers; [ cmcdragonkai ];
|
|
};
|
|
}
|