nixpkgs/pkgs/development/python-modules/libcst/default.nix

99 lines
2.1 KiB
Nix

{ lib
, stdenv
, buildPythonPackage
, fetchFromGitHub
, cargo
, hypothesis
, libiconv
, pytestCheckHook
, python
, pythonOlder
, pyyaml
, rustPlatform
, rustc
, setuptools-rust
, setuptools-scm
, typing-extensions
, typing-inspect
}:
buildPythonPackage rec {
pname = "libcst";
version = "1.0.1";
format = "pyproject";
disabled = pythonOlder "3.7";
src = fetchFromGitHub {
owner = "instagram";
repo = "libcst";
rev = "refs/tags/v${version}";
hash = "sha256-FgQE8ofRXQs/zHh7AKscXu0deN3IG+Nk/h+a09Co5R8=";
};
cargoDeps = rustPlatform.fetchCargoTarball {
inherit src;
sourceRoot = "${src.name}/${cargoRoot}";
name = "${pname}-${version}";
hash = "sha256-rPB3bAMdvjgsT3jkEDoWatW8LPwgIaFSbFPqiqANtBY=";
};
cargoRoot = "native";
postPatch = ''
# avoid infinite recursion by not formatting the release files
substituteInPlace libcst/codegen/generate.py \
--replace '"ufmt"' '"true"'
'';
SETUPTOOLS_SCM_PRETEND_VERSION = version;
nativeBuildInputs = [
setuptools-rust
setuptools-scm
rustPlatform.cargoSetupHook
cargo
rustc
];
buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
propagatedBuildInputs = [
typing-extensions
typing-inspect
pyyaml
];
nativeCheckInputs = [
hypothesis
pytestCheckHook
];
preCheck = ''
# otherwise import libcst.native fails
cp build/lib.*/libcst/native.* libcst/
${python.interpreter} -m libcst.codegen.generate visitors
${python.interpreter} -m libcst.codegen.generate return_types
# Can't run all tests due to circular dependency on hypothesmith -> libcst
rm -r {libcst/tests,libcst/codegen/tests,libcst/m*/tests}
'';
disabledTests = [
# No files are generated
"test_codemod_formatter_error_input"
];
pythonImportsCheck = [
"libcst"
];
meta = with lib; {
description = "Concrete Syntax Tree (CST) parser and serializer library for Python";
homepage = "https://github.com/Instagram/libcst";
license = with licenses; [ mit asl20 psfl ];
maintainers = with maintainers; [ ];
};
}