109 lines
3.1 KiB
Nix

{
lib,
stdenv,
buildPythonPackage,
fetchFromGitHub,
flit-core,
numpy,
pytestCheckHook,
# optional/test dependencies
gdcm,
pillow,
pylibjpeg-libjpeg,
writableTmpDirAsHomeHook,
}:
let
# Pydicom needs pydicom-data to run some tests. If these files aren't downloaded
# before the package creation, it'll try to download during the checkPhase.
test_data = fetchFromGitHub {
owner = "pydicom";
repo = "pydicom-data";
rev = "8da482f208401d63cd63f3f4efc41b6856ef36c7";
hash = "sha256-ji7SppKdiszaXs8yCSIPkJj4Ld++XWNw9FuxLoFLfFo=";
};
in
buildPythonPackage rec {
pname = "pydicom";
version = "3.0.1";
pyproject = true;
src = fetchFromGitHub {
owner = "pydicom";
repo = "pydicom";
tag = "v${version}";
hash = "sha256-SvRevQehRaSp+vCtJRQVEJiC5noIJS+bGG1/q4p7/XU=";
};
build-system = [ flit-core ];
dependencies = [
numpy
];
optional-dependencies = {
pixeldata = [
pillow
#pyjpegls # not in nixpkgs
#pylibjpeg.optional-dependencies.openjpeg # infinite recursion
#pylibjpeg.optional-dependencies.rle # not in nixpkgs
pylibjpeg-libjpeg
gdcm
];
};
nativeCheckInputs = [
pytestCheckHook
writableTmpDirAsHomeHook
] ++ optional-dependencies.pixeldata;
# Setting $HOME to prevent pytest to try to create a folder inside
# /homeless-shelter which is read-only.
# Linking pydicom-data dicom files to $HOME/.pydicom/data
preCheck = ''
mkdir -p $HOME/.pydicom/
ln -s ${test_data}/data_store/data $HOME/.pydicom/data
'';
disabledTests =
[
# tries to remove a dicom inside $HOME/.pydicom/data/ and download it again
"test_fetch_data_files"
# test_reference_expl{,_binary}[parametric_map_float.dcm] tries to download that file for some reason even though it's present in test-data
"test_reference_expl"
"test_reference_expl_binary"
# slight error in regex matching
"test_no_decoders_raises"
"test_deepcopy_bufferedreader_raises"
]
++ lib.optionals stdenv.hostPlatform.isAarch64 [
# https://github.com/pydicom/pydicom/issues/1386
"test_array"
]
++ lib.optionals stdenv.hostPlatform.isDarwin [
# flaky, hard to reproduce failure outside hydra
"test_time_check"
];
pythonImportsCheck = [ "pydicom" ];
meta = {
description = "Python package for working with DICOM files";
mainProgram = "pydicom";
homepage = "https://pydicom.github.io";
changelog = "https://github.com/pydicom/pydicom/releases/tag/v${version}";
license = lib.licenses.mit;
maintainers = with lib.maintainers; [ bcdarwin ];
badPlatforms = [
# > 200 tests are failing with errors like:
# AttributeError: 'FileDataset' object has no attribute 'BitsStored'
# AttributeError: 'FileDataset' object has no attribute 'Rows'
# AttributeError: The dataset has no 'Pixel Data', 'Float Pixel Data' or 'Double Float Pixel Data' element, no pixel data to decode
# pydicom.errors.InvalidDicomError: File is missing DICOM File Meta Information header or the 'DICM' prefix is missing from the header.
lib.systems.inspect.patterns.isDarwin
];
};
}