Adding upstream version 1.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

test/tree.py

@@ -0,0 +1,23 @@
+#!/usr/bin/python3
+'''
+SPDX-License-Identifier: LGPL-3.1-or-later
+
+This file is part of libnvme.
+Copyright (c) 2021 SUSE Software Solutions AG
+
+Authors: Hannes Reinecke <hare@suse.de>
+
+Scans the NVMe subsystem and prints out all found hosts,
+subsystems, and controllers
+'''
+
+import libnvme
+
+r = libnvme.nvme_root()
+for h in r.hosts():
+    print (h)
+    for s in h.subsystems():
+        print (s)
+        for c in s.controllers():
+            print (c)
+