nixpkgs/pkgs/development/python-modules/Theano/default.nix
2018-10-13 09:50:15 +02:00

89 lines
2.7 KiB
Nix

{ stdenv
, runCommandCC
, lib
, fetchPypi
, gcc
, buildPythonPackage
, isPyPy
, pythonOlder
, isPy3k
, nose
, numpy
, scipy
, six
, libgpuarray
, cudaSupport ? false, cudatoolkit
, cudnnSupport ? false, cudnn
, nvidia_x11
}:
assert cudnnSupport -> cudaSupport;
assert cudaSupport -> nvidia_x11 != null
&& cudatoolkit != null
&& cudnn != null;
let
wrapped = command: buildTop: buildInputs:
runCommandCC "${command}-wrapped" { inherit buildInputs; } ''
type -P '${command}' || { echo '${command}: not found'; exit 1; }
cat > "$out" <<EOF
#!$(type -P bash)
$(declare -xp | sed -e '/^[^=]\+="\('"''${NIX_STORE//\//\\/}"'\|[^\/]\)/!d')
declare -x NIX_BUILD_TOP="${buildTop}"
$(type -P '${command}') "\$@"
EOF
chmod +x "$out"
'';
# Theano spews warnings and disabled flags if the compiler isn't named g++
cxx_compiler = wrapped "g++" "\\$HOME/.theano"
( stdenv.lib.optional cudaSupport libgpuarray_
++ stdenv.lib.optional cudnnSupport cudnn );
libgpuarray_ = libgpuarray.override { inherit cudaSupport cudatoolkit; };
in buildPythonPackage rec {
pname = "Theano";
version = "1.0.3";
disabled = isPyPy || pythonOlder "2.6" || (isPy3k && pythonOlder "3.3");
src = fetchPypi {
inherit pname version;
sha256 = "637f3b34d40ef5e0d54dd4c40618475aaa085c26d2491e925c98e2ad4bc2115a";
};
postPatch = ''
substituteInPlace theano/configdefaults.py \
--replace 'StrParam(param, is_valid=warn_cxx)' 'StrParam('\'''${cxx_compiler}'\''', is_valid=warn_cxx)' \
--replace 'rc == 0 and config.cxx != ""' 'config.cxx != ""'
'' + stdenv.lib.optionalString cudaSupport ''
substituteInPlace theano/configdefaults.py \
--replace 'StrParam(get_cuda_root)' 'StrParam('\'''${cudatoolkit}'\''')'
'' + stdenv.lib.optionalString cudnnSupport ''
substituteInPlace theano/configdefaults.py \
--replace 'StrParam(default_dnn_base_path)' 'StrParam('\'''${cudnn}'\''')'
'';
preCheck = ''
mkdir -p check-phase
export HOME=$(pwd)/check-phase
'';
doCheck = false;
# takes far too long, also throws "TypeError: sort() missing 1 required positional argument: 'a'"
# when run from the installer, and testing with Python 3.5 hits github.com/Theano/Theano/issues/4276,
# the fix for which hasn't been merged yet.
# keep Nose around since running the tests by hand is possible from Python or bash
checkInputs = [ nose ];
propagatedBuildInputs = [ numpy numpy.blas scipy six libgpuarray_ ];
meta = with stdenv.lib; {
homepage = http://deeplearning.net/software/theano/;
description = "A Python library for large-scale array computation";
license = licenses.bsd3;
maintainers = with maintainers; [ maintainers.bcdarwin ];
};
}