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{ stdenv, fetchFromGitHub, ocamlPackages, makeWrapper, writeScript
, dune, python3, rsync, fetchpatch, buck }:
let
# Manually set version - the setup script requires
# hg and git + keeping the .git directory around.
pyre-version = "0.0.17"; # also change typeshed revision below with $pyre-src/.typeshed-version
pyre-src = fetchFromGitHub {
owner = "facebook";
repo = "pyre-check";
rev = "v${pyre-version}";
sha256 = "0y86a3g5xbgh0byksyx5jw7yq7w840x85dhz9inz6mkg5j06mcis";
};
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 ());
EOF
'';
pyre-bin = stdenv.mkDerivation {
name = "pyre-${pyre-version}";
src = pyre-src;
nativeBuildInputs = [ makeWrapper ];
buildInputs = with ocamlPackages; [
ocaml
findlib
menhir
yojson
core
sedlex
ppx_deriving_yojson
ocamlbuild
ppxlib
dune
ounit
# python36Packages.python36Full # TODO
];
buildPhase = ''
# build requires HOME to be set
export HOME=.
# "external" because https://github.com/facebook/pyre-check/pull/8/files
sed "s/%VERSION%/external/" dune.in > dune
cp ${versionFile} ./scripts/generate-version-number.sh
mkdir $(pwd)/build
export OCAMLFIND_DESTDIR=$(pwd)/build
export OCAMLPATH=$OCAMLPATH:$(pwd)/build
make release
'';
checkPhase = ''
make test
# ./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 = ''
mkdir -p $out/bin
cp ./_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 {
name = "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"
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
'';
}
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