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{
lib,
buildPythonPackage,
fetchFromGitHub,
# build inputs
numpy,
opencv-python,
scipy,
pandas,
pillow,
pyyaml,
iopath,
pdfplumber,
pdf2image,
google-cloud-vision,
pytesseract,
torch,
torchvision,
effdet,
# check inputs
pytestCheckHook,
}:
let
pname = "layoutparser";
version = "0.3.4";
optional-dependencies = {
ocr = [
google-cloud-vision
pytesseract
];
gcv = [ google-cloud-vision ];
tesseract = [ pytesseract ];
layoutmodels = [
torch
torchvision
effdet
];
effdet = [
torch
torchvision
effdet
];
# paddledetection = [ paddlepaddle ]
};
in
buildPythonPackage {
inherit pname version;
format = "setuptools";
src = fetchFromGitHub {
owner = "Layout-Parser";
repo = "layout-parser";
tag = "v${version}";
hash = "sha256-qBzcIUmgnGy/Xn/B+7UrLrRhCvCkapL+ymqGS2sMVgA=";
};
propagatedBuildInputs = [
numpy
opencv-python
scipy
pandas
pillow
pyyaml
iopath
pdfplumber
pdf2image
];
pythonImportsCheck = [ "layoutparser" ];
nativeCheckInputs = [ pytestCheckHook ] ++ optional-dependencies.ocr;
disabledTests = [
"test_PaddleDetectionModel" # requires paddlepaddle not yet packaged
# requires detectron2 not yet packaged
"test_Detectron2Model"
"test_AutoModel"
# requires effdet (disable for now until effdet builds on darwin)
"test_EffDetModel"
# problems with google-cloud-vision
# AttributeError: module 'google.cloud.vision' has no attribute 'types'
"test_gcv_agent"
"test_viz"
# - Failed: DID NOT RAISE <class 'ImportError'>
"test_when_backends_are_not_loaded"
];
disabledTestPaths = [
"tests_deps/test_only_detectron2.py" # requires detectron2 not yet packaged
"tests_deps/test_only_effdet.py" # requires effdet (disable for now until effdet builds on darwin)
"tests_deps/test_only_paddledetection.py" # requires paddlepaddle not yet packaged
];
optional-dependencies = optional-dependencies;
meta = {
description = "Unified toolkit for Deep Learning Based Document Image Analysis";
homepage = "https://github.com/Layout-Parser/layout-parser";
changelog = "https://github.com/Layout-Parser/layout-parser/releases/tag/v${version}";
license = lib.licenses.asl20;
maintainers = with lib.maintainers; [ happysalada ];
};
}
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