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{
lib,
buildPythonPackage,
fetchFromGitHub,
fsspec,
indexed-gzip,
indexed-zstd,
libarchive-c,
pytestCheckHook,
python-xz,
writableTmpDirAsHomeHook,
rapidgzip,
rarfile,
setuptools,
zstandard, # Python bindings
zstd, # System tool
}:
buildPythonPackage rec {
pname = "ratarmountcore";
version = "0.10.1";
pyproject = true;
src = fetchFromGitHub {
owner = "mxmlnkn";
repo = "ratarmount";
tag = "core-v${version}";
hash = "sha256-7xknOpJIjXMr7Z7JD3Jn3oma63hbEZcj/1zQ6FAp5aA=";
fetchSubmodules = true;
};
sourceRoot = "${src.name}/core";
postPatch = ''
substituteInPlace tests/test_AutoMountLayer.py \
--replace-fail 'f"tests/{name}.tgz.tgz.gz"' 'os.path.join(os.path.dirname(__file__), f"../../tests/{name}.tgz.tgz.gz")' \
--replace-fail 'copy_test_file("tests/double-compressed-nested-tar.tgz.tgz")' 'copy_test_file(os.path.join(os.path.dirname(__file__), "../../tests/double-compressed-nested-tar.tgz.tgz"))'
'';
build-system = [ setuptools ];
optional-dependencies = {
full = [
indexed-gzip
indexed-zstd
python-xz
rapidgzip
rarfile
];
_7z = [ libarchive-c ];
bzip2 = [ rapidgzip ];
gzip = [ indexed-gzip ];
rar = [ rarfile ];
xz = [ python-xz ];
zstd = [ indexed-zstd ];
};
nativeCheckInputs = [
pytestCheckHook
zstandard
zstd
fsspec
writableTmpDirAsHomeHook
]
++ lib.concatAttrValues optional-dependencies;
pythonImportsCheck = [ "ratarmountcore" ];
disabledTestPaths = [
# Disable this test because for arcane reasons running pytest with nix-build uses 10-100x
# more virtual memory than running the test directly or inside a local development nix-shell.
# This virtual memory usage caused os.fork called by Python multiprocessing to fail with
# "OSError: [Errno 12] Cannot allocate memory" on a test system with 16 GB RAM. It worked fine
# on a system with 96 GB RAM. In order to avoid build errors on "low"-memory systems, this
# test is disabled for now.
"tests/test_BlockParallelReaders.py"
];
disabledTests = [
# Tests with issues
"test_file_versions"
"test_stream_compressed"
"test_chimera_file"
"test_URLContextManager"
"test_URL"
];
meta = {
description = "Library for accessing archives by way of indexing";
homepage = "https://github.com/mxmlnkn/ratarmount/tree/master/core";
changelog = "https://github.com/mxmlnkn/ratarmount/blob/${src.rev}/core/CHANGELOG.md";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ mxmlnkn ];
};
}
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