tjh.dev
1{
2 buildPythonPackage,
3 fetchFromGitHub,
4 lib,
5 pytestCheckHook,
6 pythonOlder,
7 setuptools,
8 typing-extensions,
9 zstd-c,
10}:
11
12buildPythonPackage rec {
13 pname = "pyzstd";
14 version = "0.18.0";
15 pyproject = true;
16
17 src = fetchFromGitHub {
18 owner = "Rogdham";
19 repo = "pyzstd";
20 tag = version;
21 hash = "sha256-15+GqJ/AMYs1R9ywo+muNVVbPkkzTMj//Zn/PPI+MCI=";
22 };
23
24 postPatch = ''
25 # pyzst specifies setuptools<74 because 74+ drops `distutils.msvc9compiler`,
26 # required for Python 3.9 under Windows
27 substituteInPlace pyproject.toml \
28 --replace-fail '"setuptools>=64,<74"' '"setuptools"'
29
30 # pyzst needs a copy of upstream zstd's license
31 ln -s ${zstd-c.src}/LICENSE zstd
32 '';
33
34 nativeBuildInputs = [
35 setuptools
36 ];
37
38 build-system = [
39 setuptools
40 ];
41
42 dependencies = lib.optionals (pythonOlder "3.13") [
43 typing-extensions
44 ];
45
46 pythonRelaxDeps = [
47 "typing-extensions"
48 ];
49
50 buildInputs = [
51 zstd-c
52 ];
53
54 pypaBuildFlags = [
55 "--config-setting=--global-option=--dynamic-link-zstd"
56 ];
57
58 nativeCheckInputs = [
59 pytestCheckHook
60 ];
61
62 pythonImportsCheck = [
63 "pyzstd"
64 ];
65
66 meta = {
67 description = "Python bindings to Zstandard (zstd) compression library";
68 homepage = "https://pyzstd.readthedocs.io";
69 changelog = "https://github.com/Rogdham/pyzstd/blob/${version}/CHANGELOG.md";
70 license = lib.licenses.bsd3;
71 maintainers = with lib.maintainers; [
72 MattSturgeon
73 pitkling
74 PopeRigby
75 ];
76 };
77}