pyrox.dev
1{
2 lib,
3 buildPythonPackage,
4 fetchFromGitHub,
5 fsspec,
6 indexed-gzip,
7 indexed-zstd,
8 libarchive-c,
9 pytestCheckHook,
10 python-xz,
11 pythonOlder,
12 writableTmpDirAsHomeHook,
13 rapidgzip,
14 rarfile,
15 setuptools,
16 zstandard, # Python bindings
17 zstd, # System tool
18}:
19
20buildPythonPackage rec {
21 pname = "ratarmountcore";
22 version = "1.0.0";
23 pyproject = true;
24
25 disabled = pythonOlder "3.10";
26
27 src = fetchFromGitHub {
28 owner = "mxmlnkn";
29 repo = "ratarmount";
30 tag = "v${version}";
31 hash = "sha256-nTKbwZoD7nf3cKFJOR5p6ZRFHsKVeJXboOAhPjvnQAM=";
32 fetchSubmodules = true;
33 };
34
35 sourceRoot = "${src.name}/core";
36
37 build-system = [ setuptools ];
38
39 optional-dependencies = {
40 full = [
41 indexed-gzip
42 indexed-zstd
43 python-xz
44 rapidgzip
45 rarfile
46 ];
47 _7z = [ libarchive-c ];
48 bzip2 = [ rapidgzip ];
49 gzip = [ indexed-gzip ];
50 rar = [ rarfile ];
51 xz = [ python-xz ];
52 zstd = [ indexed-zstd ];
53 };
54
55 nativeCheckInputs = [
56 pytestCheckHook
57 zstandard
58 zstd
59 fsspec
60 writableTmpDirAsHomeHook
61 ] ++ lib.flatten (builtins.attrValues optional-dependencies);
62
63 pythonImportsCheck = [ "ratarmountcore" ];
64
65 disabledTestPaths = [
66 # Disable this test because for arcane reasons running pytest with nix-build uses 10-100x
67 # more virtual memory than running the test directly or inside a local development nix-shell.
68 # This virtual memory usage caused os.fork called by Python multiprocessing to fail with
69 # "OSError: [Errno 12] Cannot allocate memory" on a test system with 16 GB RAM. It worked fine
70 # on a system with 96 GB RAM. In order to avoid build errors on "low"-memory systems, this
71 # test is disabled for now.
72 "tests/test_BlockParallelReaders.py"
73 ];
74
75 disabledTests = [
76 # Tests with issues
77 "test_file_versions"
78 "test_stream_compressed"
79 "test_chimera_file"
80 "test_URLContextManager"
81 "test_URL"
82 ];
83
84 meta = with lib; {
85 description = "Library for accessing archives by way of indexing";
86 homepage = "https://github.com/mxmlnkn/ratarmount/tree/master/core";
87 changelog = "https://github.com/mxmlnkn/ratarmount/blob/core-${src.tag}/core/CHANGELOG.md";
88 license = licenses.mit;
89 maintainers = with lib.maintainers; [ mxmlnkn ];
90 };
91}