nixpkgs/pkgs/development/tools/pyre/default.nix
2018-12-21 16:20:44 +01:00

127 lines
3.7 KiB
Nix

{ stdenv, fetchFromGitHub, ocamlPackages, writeScript
, dune, python3, rsync, buck, watchman }:
let
# Manually set version - the setup script requires
# hg and git + keeping the .git directory around.
pyre-version = "0.0.18"; # also change typeshed revision below with $pyre-src/.typeshed-version
pyre-src = fetchFromGitHub {
owner = "facebook";
repo = "pyre-check";
rev = "v${pyre-version}";
sha256 = "1sy1lk9j3hq20dabfkr9s4r7prrcndrs345a5iqz6yzvakr4r74d";
};
versionFile = writeScript "version.ml" ''
cat > "./version.ml" <<EOF
open Core
let build_info () =
"pyre-nixpkgs ${pyre-version}"
let version () =
"${pyre-version}"
let log_version_banner () =
Log.info "Running as pid: %d" (Pid.to_int (Unix.getpid ()));
Log.info "Version: %s" (version ());
Log.info "Build info: %s" (build_info ())
EOF
'';
pyre-bin = stdenv.mkDerivation {
name = "pyre-${pyre-version}";
src = pyre-src;
buildInputs = with ocamlPackages; [
ocaml
findlib
menhir
yojson
core
sedlex
ppx_deriving_yojson
ocamlbuild
ppxlib
dune
ounit
# python36Packages.python36Full # TODO
];
preBuild = ''
# build requires HOME to be set
export HOME=$TMPDIR
# "external" because https://github.com/facebook/pyre-check/pull/8/files
sed "s/%VERSION%/external/" dune.in > dune
ln -sf ${versionFile} ./scripts/generate-version-number.sh
mkdir $(pwd)/build
export OCAMLFIND_DESTDIR=$(pwd)/build
export OCAMLPATH=$OCAMLPATH:$(pwd)/build
'';
buildFlags = [ "release" ];
doCheck = true;
# ./scripts/run-python-tests.sh # TODO: once typeshed and python bits are added
# Note that we're not installing the typeshed yet.
# Improvement for a future version.
installPhase = ''
install -D ./_build/default/main.exe $out/bin/pyre.bin
'';
meta = with stdenv.lib; {
description = "A performant type-checker for Python 3";
homepage = https://pyre-check.org;
license = licenses.mit;
platforms = ocamlPackages.ocaml.meta.platforms;
maintainers = with maintainers; [ teh ];
};
};
typeshed = stdenv.mkDerivation {
pname = "typeshed";
version = pyre-version;
src = fetchFromGitHub {
owner = "python";
repo = "typeshed";
rev = "bc3f9fe1d3c43b00c04cedb23e0eeebc9e1734b6";
sha256 = "06b2kj4n49h4sgi8hn5kalmir8llhanfdc7f1924cxvrkj5ry94b";
};
phases = [ "unpackPhase" "installPhase" ];
installPhase = "cp -r $src $out";
};
in python3.pkgs.buildPythonApplication rec {
pname = "pyre-check";
version = pyre-version;
src = pyre-src;
patches = [ ./pyre-bdist-wheel.patch ];
# The build-pypi-package script does some funky stuff with build
# directories - easier to patch it a bit than to replace it
# completely though:
postPatch = ''
mkdir ./build
substituteInPlace scripts/build-pypi-package.sh \
--replace 'NIX_BINARY_FILE' '${pyre-bin}/bin/pyre.bin' \
--replace 'BUILD_ROOT="$(mktemp -d)"' "BUILD_ROOT=$PWD/build"
for file in client/pyre.py client/commands/initialize.py client/commands/tests/initialize_test.py; do
substituteInPlace "$file" \
--replace '"watchman"' '"${watchman}/bin/watchman"'
done
substituteInPlace client/buck.py \
--replace '"buck"' '"${buck}/bin/buck"'
substituteInPlace client/tests/buck_test.py \
--replace '"buck"' '"${buck}/bin/buck"'
'';
buildInputs = [ pyre-bin ];
nativeBuildInputs = [ rsync ]; # only required for build-pypi-package.sh
propagatedBuildInputs = with python3.pkgs; [ docutils typeshed ];
buildPhase = ''
bash scripts/build-pypi-package.sh --version ${pyre-version} --bundle-typeshed ${typeshed}
cp -r build/dist dist
'';
checkPhase = ''
bash scripts/run-python-tests.sh
'';
}