uboot: (firmwareOdroidC2/C4) don't invoke patch tool, use patches = [] instead

https://github.com/NixOS/nixpkgs/blob/master/pkgs/stdenv/generic/setup.sh#L948
this can do it nicely.

Signed-off-by: Anton Arapov <anton@deadbeef.mx>

pkgs/development/python-modules/uvloop/default.nix

@@ -0,0 +1,94 @@
+{ lib
+, stdenv
+, buildPythonPackage
+, pythonOlder
+, fetchPypi
+, libuv
+, CoreServices
+, ApplicationServices
+# Check Inputs
+, aiohttp
+, psutil
+, pyopenssl
+, pytestCheckHook
+}:
+
+buildPythonPackage rec {
+  pname = "uvloop";
+  version = "0.16.0";
+  disabled = pythonOlder "3.7";
+
+  src = fetchPypi {
+    inherit pname version;
+    sha256 = "f74bc20c7b67d1c27c72601c78cf95be99d5c2cdd4514502b4f3eb0933ff1228";
+  };
+
+  buildInputs = [
+    libuv
+  ] ++ lib.optionals stdenv.isDarwin [
+    CoreServices
+    ApplicationServices
+  ];
+
+  dontUseSetuptoolsCheck = true;
+  checkInputs = [
+    aiohttp
+    pytestCheckHook
+    pyopenssl
+    psutil
+  ];
+
+  LIBUV_CONFIGURE_HOST = stdenv.hostPlatform.config;
+
+  pytestFlagsArray = [
+    # from pytest.ini, these are NECESSARY to prevent failures
+    "--capture=no"
+    "--assert=plain"
+    "--strict"
+    "--tb=native"
+  ] ++ lib.optionals (stdenv.isAarch64) [
+    # test gets stuck in epoll_pwait on hydras aarch64 builders
+    # https://github.com/MagicStack/uvloop/issues/412
+    "--deselect" "tests/test_tcp.py::Test_AIO_TCPSSL::test_remote_shutdown_receives_trailing_data"
+  ] ++ lib.optionals (stdenv.isDarwin && stdenv.isAarch64) [
+    # Flaky test: https://github.com/MagicStack/uvloop/issues/412
+    "--deselect" "tests/test_tcp.py::Test_UV_TCPSSL::test_shutdown_timeout_handler_not_set"
+    # Broken: https://github.com/NixOS/nixpkgs/issues/160904
+    "--deselect" "tests/test_context.py::Test_UV_Context::test_create_ssl_server_manual_connection_lost"
+  ];
+
+  disabledTestPaths = [
+    # ignore code linting tests
+    "tests/test_sourcecode.py"
+  ];
+
+  preCheck = lib.optionalString stdenv.isDarwin ''
+    # Work around "OSError: AF_UNIX path too long"
+    # https://github.com/MagicStack/uvloop/issues/463
+    export TMPDIR="/tmp"
+   '' + ''
+    # force using installed/compiled uvloop vs source by moving tests to temp dir
+    export TEST_DIR=$(mktemp -d)
+    cp -r tests $TEST_DIR
+    pushd $TEST_DIR
+  '';
+
+  postCheck = ''
+    popd
+  '';
+
+  pythonImportsCheck = [
+    "uvloop"
+    "uvloop.loop"
+  ];
+
+  # Some of the tests use localhost networking.
+  __darwinAllowLocalNetworking = true;
+
+  meta = with lib; {
+    description = "Fast implementation of asyncio event loop on top of libuv";
+    homepage = "https://github.com/MagicStack/uvloop";
+    license = licenses.mit;
+    maintainers = with maintainers; [ costrouc ];
+  };
+}