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nixpkgs/pkgs/development/python-modules/pyusb/default.nix
Profpatsch 4a7f99d55d treewide: with stdenv.lib; in meta -> with lib;
Part of: https://github.com/NixOS/nixpkgs/issues/108938

meta = with stdenv.lib;

is a widely used pattern. We want to slowly remove
the `stdenv.lib` indirection and encourage people
to use `lib` directly. Thus let’s start with the meta
field.

This used a rewriting script to mostly automatically
replace all occurances of this pattern, and add the
`lib` argument to the package header if it doesn’t
exist yet.

The script in its current form is available at
https://cs.tvl.fyi/depot@2f807d7f141068d2d60676a89213eaa5353ca6e0/-/blob/users/Profpatsch/nixpkgs-rewriter/default.nix
2021-01-11 10:38:22 +01:00

36 lines
1,018 B
Nix

{ lib, stdenv, fetchPypi, buildPythonPackage, libusb1, setuptools_scm }:
buildPythonPackage rec {
pname = "pyusb";
version = "1.1.0";
src = fetchPypi {
inherit pname version;
sha256 = "d69ed64bff0e2102da11b3f49567256867853b861178689671a163d30865c298";
};
nativeBuildInputs = [
setuptools_scm
];
# 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;
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 ];
};
}