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