pyrox.dev
1{ lib
2, stdenv
3, buildPythonPackage
4, fetchFromGitHub
5, cargo
6, hypothesis
7, libiconv
8, pytestCheckHook
9, python
10, pythonOlder
11, pyyaml
12, rustPlatform
13, rustc
14, setuptools-rust
15, setuptools-scm
16, typing-extensions
17, typing-inspect
18}:
19
20buildPythonPackage rec {
21 pname = "libcst";
22 version = "1.1.0";
23 format = "pyproject";
24
25 disabled = pythonOlder "3.7";
26
27 src = fetchFromGitHub {
28 owner = "instagram";
29 repo = "libcst";
30 rev = "refs/tags/v${version}";
31 hash = "sha256-kFs7edBWz0GRbgbLDmtpUVi5R+6mYXsJSvceOoPW9ck=";
32 };
33
34 cargoDeps = rustPlatform.fetchCargoTarball {
35 inherit src;
36 sourceRoot = "${src.name}/${cargoRoot}";
37 name = "${pname}-${version}";
38 hash = "sha256-fhaHiz64NH6S61fSXj4gNxxcuB+ECxWSSmG5StiFr1k=";
39 };
40
41 cargoRoot = "native";
42
43 postPatch = ''
44 # avoid infinite recursion by not formatting the release files
45 substituteInPlace libcst/codegen/generate.py \
46 --replace '"ufmt"' '"true"'
47 '';
48
49 SETUPTOOLS_SCM_PRETEND_VERSION = version;
50
51 nativeBuildInputs = [
52 setuptools-rust
53 setuptools-scm
54 rustPlatform.cargoSetupHook
55 cargo
56 rustc
57 ];
58
59 buildInputs = lib.optionals stdenv.isDarwin [ libiconv ];
60
61 propagatedBuildInputs = [
62 typing-extensions
63 typing-inspect
64 pyyaml
65 ];
66
67 nativeCheckInputs = [
68 hypothesis
69 pytestCheckHook
70 ];
71
72 preCheck = ''
73 # otherwise import libcst.native fails
74 cp build/lib.*/libcst/native.* libcst/
75
76 ${python.interpreter} -m libcst.codegen.generate visitors
77 ${python.interpreter} -m libcst.codegen.generate return_types
78
79 # Can't run all tests due to circular dependency on hypothesmith -> libcst
80 rm -r {libcst/tests,libcst/codegen/tests,libcst/m*/tests}
81 '';
82
83 disabledTests = [
84 # No files are generated
85 "test_codemod_formatter_error_input"
86 ];
87
88 pythonImportsCheck = [
89 "libcst"
90 ];
91
92 meta = with lib; {
93 description = "Concrete Syntax Tree (CST) parser and serializer library for Python";
94 homepage = "https://github.com/Instagram/libcst";
95 changelog = "https://github.com/Instagram/LibCST/blob/v${version}/CHANGELOG.md";
96 license = with licenses; [ mit asl20 psfl ];
97 maintainers = with maintainers; [ ];
98 };
99}