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

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{ stdenv, libusb1, udev, fetchPypi, buildPythonPackage, cython }:
buildPythonPackage rec {
name = "${pname}-${version}";
pname = "hidapi";
version = "0.7.99.post20";
src = fetchPypi {
inherit pname version;
sha256 = "1k7z5m7xsqy8j4qkjy4pfxdx4hm36ha68vi65z6smvnyg4zgv22z";
};
propagatedBuildInputs = [ libusb1 udev cython ];
# Fix the USB backend library lookup
postPatch = ''
libusb=${libusb1.dev}/include/libusb-1.0
test -d $libusb || { echo "ERROR: $libusb doesn't exist, please update/fix this build expression."; exit 1; }
sed -i -e "s|/usr/include/libusb-1.0|$libusb|" setup.py
'';
meta = with stdenv.lib; {
description = "A Cython interface to the hidapi from https://github.com/signal11/hidapi";
homepage = https://github.com/trezor/cython-hidapi;
# license can actually be either bsd3 or gpl3
# see https://github.com/trezor/cython-hidapi/blob/master/LICENSE-orig.txt
license = licenses.bsd3;
maintainers = with maintainers; [ np ];
};
}