108 lines
2.4 KiB
Nix
108 lines
2.4 KiB
Nix
{ lib
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, stdenv
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, buildPythonPackage
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, fetchFromGitHub
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, fetchpatch
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, cargo
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, hypothesis
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, libiconv
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, pytestCheckHook
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, python
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, pythonOlder
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, pyyaml
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, rustPlatform
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, rustc
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, setuptools-rust
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, setuptools-scm
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, typing-extensions
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, typing-inspect
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}:
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buildPythonPackage rec {
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pname = "libcst";
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version = "1.1.0";
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format = "pyproject";
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disabled = pythonOlder "3.7";
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src = fetchFromGitHub {
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owner = "instagram";
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repo = "libcst";
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rev = "refs/tags/v${version}";
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hash = "sha256-kFs7edBWz0GRbgbLDmtpUVi5R+6mYXsJSvceOoPW9ck=";
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};
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cargoDeps = rustPlatform.fetchCargoTarball {
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inherit src;
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sourceRoot = "${src.name}/${cargoRoot}";
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name = "${pname}-${version}";
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hash = "sha256-fhaHiz64NH6S61fSXj4gNxxcuB+ECxWSSmG5StiFr1k=";
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};
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cargoRoot = "native";
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patches = [
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# https://github.com/Instagram/LibCST/pull/1042
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(fetchpatch {
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name = "remove-distutils.patch";
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url = "https://github.com/Instagram/LibCST/commit/a6834aa0e6eb78e41549fd1087d7ba60ca4dd237.patch";
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hash = "sha256-lyIXJhm4UMwdCOso6McDslIvtK7Ar8sF5Zy7qo1nicQ=";
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})
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];
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postPatch = ''
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# avoid infinite recursion by not formatting the release files
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substituteInPlace libcst/codegen/generate.py \
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--replace '"ufmt"' '"true"'
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'';
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nativeBuildInputs = [
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setuptools-rust
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setuptools-scm
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rustPlatform.cargoSetupHook
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cargo
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rustc
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];
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buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
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propagatedBuildInputs = [
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typing-extensions
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typing-inspect
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pyyaml
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];
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nativeCheckInputs = [
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hypothesis
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pytestCheckHook
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];
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preCheck = ''
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# otherwise import libcst.native fails
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cp build/lib.*/libcst/native.* libcst/
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${python.interpreter} -m libcst.codegen.generate visitors
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${python.interpreter} -m libcst.codegen.generate return_types
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# Can't run all tests due to circular dependency on hypothesmith -> libcst
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rm -r {libcst/tests,libcst/codegen/tests,libcst/m*/tests}
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'';
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disabledTests = [
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# No files are generated
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"test_codemod_formatter_error_input"
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];
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pythonImportsCheck = [
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"libcst"
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];
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meta = with lib; {
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description = "Concrete Syntax Tree (CST) parser and serializer library for Python";
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homepage = "https://github.com/Instagram/libcst";
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changelog = "https://github.com/Instagram/LibCST/blob/v${version}/CHANGELOG.md";
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license = with licenses; [ mit asl20 psfl ];
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maintainers = with maintainers; [ ];
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};
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}
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