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author | Matthieu Coudron <mattator@gmail.com> | 2018-09-06 00:11:02 +0900 |
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committer | Matthieu Coudron <mattator@gmail.com> | 2018-09-06 00:11:02 +0900 |
commit | 11e2009821decf55aa20589447076aab5f998464 (patch) | |
tree | c5bb111f91ef7415e9df650545200076f69a3b18 /pkgs | |
parent | ba52f4cb76cbc8cc877077bd19c1ab3811c244e6 (diff) | |
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haskellPackages.tensorflow-mnist-input-data: fetch
Prefetch data so that the package doesn't try to connect to the internet.
Diffstat (limited to 'pkgs')
-rw-r--r-- | pkgs/development/haskell-modules/configuration-tensorflow.nix | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/pkgs/development/haskell-modules/configuration-tensorflow.nix b/pkgs/development/haskell-modules/configuration-tensorflow.nix index dfc93686405c..d1ca474ba4f4 100644 --- a/pkgs/development/haskell-modules/configuration-tensorflow.nix +++ b/pkgs/development/haskell-modules/configuration-tensorflow.nix @@ -62,6 +62,30 @@ in { mkDerivation, base, bytestring, Cabal, cryptonite, directory , filepath, HTTP, network-uri, stdenv }: + + 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; + in mkDerivation { pname = "tensorflow-mnist-input-data"; version = "0.1.0.0"; @@ -71,6 +95,9 @@ in base bytestring Cabal cryptonite directory filepath HTTP network-uri ]; + preConfigure = pkgs.lib.strings.concatStringsSep "\n" ( + map (x: "cp ${x} data/$(stripHash ${x})") downloads + ); libraryHaskellDepends = [ base ]; homepage = "https://github.com/tensorflow/haskell#readme"; description = "Downloader of input data for training MNIST"; |