100 lines
2.1 KiB
Nix
100 lines
2.1 KiB
Nix
{
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lib,
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stdenv,
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buildPythonPackage,
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fetchFromGitHub,
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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 = "1.4.0";
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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${version}";
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hash = "sha256-H0YO8ILWOyhYdosNRWQQ9wziFk0syKSG3vF2zuYkL2k=";
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};
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cargoDeps = rustPlatform.fetchCargoTarball {
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inherit src;
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sourceRoot = "${src.name}/${cargoRoot}";
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name = "${pname}-${version}";
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hash = "sha256-AcqHn3A7WCVyVnOBD96k4pxokhzgmCWOipK/DrIAQkU=";
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};
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cargoRoot = "native";
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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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${python.interpreter} -m libcst.codegen.generate return_types
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# Can't run all tests due to circular dependency on hypothesmith -> libcst
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rm -r {libcst/tests,libcst/codegen/tests,libcst/m*/tests}
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'';
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disabledTests = [
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# No files are generated
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"test_codemod_formatter_error_input"
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];
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pythonImportsCheck = [ "libcst" ];
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meta = with lib; {
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description = "Concrete Syntax Tree (CST) parser and serializer library for Python";
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homepage = "https://github.com/Instagram/libcst";
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changelog = "https://github.com/Instagram/LibCST/blob/v${version}/CHANGELOG.md";
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license = with licenses; [
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mit
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asl20
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psfl
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];
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maintainers = [ ];
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};
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}
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