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haskellPackages.tensorflow-mnist-input-data: use an attribute set to specify the data files

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This is more understandable and safer than using a nested list.
This commit is contained in:
Bas van Dijk 2018-09-06 08:43:04 +02:00
parent 11e2009821
commit 6bd8799448
1 changed files with 11 additions and 21 deletions
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32
pkgs/development/haskell-modules/configuration-tensorflow.nix
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@ -64,27 +64,17 @@ in
}:
let
urlPrefix = "http://yann.lecun.com/exdb/mnist/";
# File names relative to 'urlPrefix' and their sha256.
fileInfos = [
[ "train-images-idx3-ubyte.gz"
"440fcabf73cc546fa21475e81ea370265605f56be210a4024d2ca8f203523609"
]
[ "train-labels-idx1-ubyte.gz"
"3552534a0a558bbed6aed32b30c495cca23d567ec52cac8be1a0730e8010255c"
]
[ "t10k-images-idx3-ubyte.gz"
"8d422c7b0a1c1c79245a5bcf07fe86e33eeafee792b84584aec276f5a2dbc4e6"
]
[ "t10k-labels-idx1-ubyte.gz"
"f7ae60f92e00ec6debd23a6088c31dbd2371eca3ffa0defaefb259924204aec6"
]
];
downloads = map (x: pkgs.fetchurl { url = urlPrefix + builtins.head x; sha256= builtins.tail x;}) fileInfos;
fileInfos = {
"train-images-idx3-ubyte.gz" = "440fcabf73cc546fa21475e81ea370265605f56be210a4024d2ca8f203523609";
"train-labels-idx1-ubyte.gz" = "3552534a0a558bbed6aed32b30c495cca23d567ec52cac8be1a0730e8010255c";
"t10k-images-idx3-ubyte.gz" = "8d422c7b0a1c1c79245a5bcf07fe86e33eeafee792b84584aec276f5a2dbc4e6";
"t10k-labels-idx1-ubyte.gz" = "f7ae60f92e00ec6debd23a6088c31dbd2371eca3ffa0defaefb259924204aec6";
};
downloads = with pkgs.lib; flip mapAttrsToList fileInfos (name: sha256:
pkgs.fetchurl {
url = "http://yann.lecun.com/exdb/mnist/${name}";
inherit sha256;
});
in
mkDerivation {
pname = "tensorflow-mnist-input-data";