nixpkgs/pkgs/development/python-modules/pyusb/default.nix

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{ lib, stdenv, fetchPypi, buildPythonPackage, libusb1, setuptools-scm }:
buildPythonPackage rec {
pname = "pyusb";
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version = "1.1.1";
src = fetchPypi {
inherit pname version;
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sha256 = "7d449ad916ce58aff60b89aae0b65ac130f289c24d6a5b7b317742eccffafc38";
};
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nativeBuildInputs = [
setuptools-scm
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];
# Fix the USB backend library lookup
postPatch =
''
libusb=${libusb1.out}/lib/libusb-1.0${stdenv.hostPlatform.extensions.sharedLibrary}
test -f $libusb || { echo "ERROR: $libusb doesn't exist, please update/fix this build expression."; exit 1; }
sed -i -e "s|find_library=None|find_library=lambda _:\"$libusb\"|" usb/backend/libusb1.py
'';
# No tests included
doCheck = false;
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pythonImportsCheck = [ "usb" ];
meta = with lib; {
description = "Python USB access module (wraps libusb 1.0)"; # can use other backends
homepage = "https://pyusb.github.io/pyusb/";
license = licenses.bsd3;
maintainers = with maintainers; [ bjornfor ];
};
}