examples: add examples/python/gi/nm-add-connection2.py example script

This is useful for manually testing AddConnection2() D-Bus API.

Makefile.examples

@@ -176,6 +176,7 @@ EXTRA_DIST += \
 	examples/python/gi/get-active-connections.py \
 	examples/python/gi/get_ips.py \
 	examples/python/gi/list-connections.py \
+	examples/python/gi/nm-add-connection2.py \
 	examples/python/gi/nm-connection-update-stable-id.py \
 	examples/python/gi/nm-wg-set \
 	examples/python/gi/setting-user-data.py \

examples/python/gi/nm-add-connection2.py

@@ -0,0 +1,156 @@
+#!/usr/bin/env python
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 2 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License along
+# with this program; if not, write to the Free Software Foundation, Inc.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Copyright 2019 Red Hat, Inc.
+#
+
+import sys
+import re
+
+import gi
+gi.require_version('NM', '1.0')
+from gi.repository import GLib, NM
+
+def find_connections(nm_client, arg_type, arg_id):
+    for c in nm_client.get_connections():
+        if arg_type in [None, 'id'] and c.get_id() == arg_id:
+            yield c
+        if arg_type in [None, 'uuid'] and c.get_uuid() == arg_id:
+            yield c
+
+def find_connection_first(nm_client, arg_type, arg_id):
+    for f in find_connections(nm_client, arg_type, arg_id):
+        return f
+
+def con_to_str(con):
+    s_con = con.get_setting_connection()
+    return '"%s" (%s)' % (s_con.get_id(), s_con.get_uuid())
+
+def usage():
+    print('Usage: %s --clone [[id] <id>]' % (sys.argv[0]))
+    print('       %s --clone [[uuid] <uuid>]' % (sys.argv[0]))
+    return 1
+
+def die(msg, print_usage=False):
+    print(msg)
+    if print_usage:
+        usage()
+    sys.exit(1)
+
+def main():
+
+    main_loop = GLib.MainLoop()
+
+    nm_client = NM.Client.new(None)
+
+    arg_mode = None
+    arg_block_autoconnect = NM.SettingsAddConnection2Flags.NONE
+    arg_id = None
+    arg_uuid = None
+
+    cons = []
+
+    argv = list(sys.argv[1:])
+    while argv:
+        if argv[0] == '--clone':
+            match_type = None
+            if len(argv) < 2:
+                die('missing argument for --clone option')
+            if argv[0] in ['id', 'uuid']:
+                match_type = argv[0]
+                if len(argv) < 3:
+                    die('missing argument for "--clone %s" option' % (match_type))
+                argv = argv[1:]
+            if cons:
+                die('cannot specify --clone argument more than once')
+            cons.extend(find_connections(nm_client, match_type, argv[1]))
+            if len(cons) == 0:
+                die('could not find connection for "--clone %s%s"' % ((match_type or ''), argv[1]))
+            if len(cons) != 1:
+                die('could not find unique connection for "--clone %s%s"' % ((match_type or ''), argv[1]))
+            argv = argv[2:]
+            continue
+        if argv[0] in ['--block-autoconnect']:
+            arg_block_autoconnect = NM.SettingsAddConnection2Flags.BLOCK_AUTOCONNECT
+            argv = argv[1:]
+            continue
+        if argv[0] in ['--to-disk', '--in-memory']:
+            if argv[0] == '--to-disk':
+                v = NM.SettingsAddConnection2Flags.TO_DISK
+            elif argv[0] == '--in-memory':
+                v = NM.SettingsAddConnection2Flags.IN_MEMORY
+            else:
+                assert(False)
+            if arg_mode is not None:
+                die('duplicate storage modes ("%s")' % (argv[0]))
+            arg_mode = v
+            argv = argv[1:]
+            continue
+        if argv[0] in ['--id']:
+            if len(argv) < 2:
+                die('missing argument for --id option')
+            arg_id = argv[1]
+            argv = argv[2:]
+            continue
+        if argv[0] in ['--uuid']:
+            if len(argv) < 2:
+                die('missing argument for --uuid option')
+            arg_uuid = argv[1]
+            argv = argv[2:]
+            continue
+        die('unknown argument "%s"' % (argv[0]))
+
+    if len(cons) != 1:
+        die('missing --clone argument', True)
+
+    con = cons[0]
+
+    con2 = NM.SimpleConnection.new_clone(con)
+
+    s_con = con2.get_setting_connection()
+    if arg_id:
+        s_con.set_property(NM.SETTING_CONNECTION_ID, arg_id)
+    s_con.set_property(NM.SETTING_CONNECTION_UUID, arg_uuid or NM.utils_uuid_generate())
+
+    result = {}
+    def _add_connection2_cb(cl, async_result, user_data):
+        try:
+            c, r = nm_client.add_connection2_finish(async_result)
+        except Exception as e:
+            result['error'] = e
+        else:
+            result['result'] = r
+            result['connection'] = c
+        main_loop.quit()
+
+    nm_client.add_connection2(con2.to_dbus(NM.ConnectionSerializationFlags.ALL),
+                                (arg_mode if arg_mode is not None else NM.SettingsAddConnection2Flags.TO_DISK)
+                              | arg_block_autoconnect,
+                              None,
+                              False,
+                              None,
+                              _add_connection2_cb,
+                              None)
+
+    main_loop.run()
+
+    if 'error' in result:
+        die('update connection %s failed [%s]: %s' % (con_to_str(con2), ' '.join(sys.argv), result['error']))
+
+    print('update connection %s succeeded [%s]: %s, %s' % (con_to_str(con2), ' '.join(sys.argv), result['connection'].get_path(), result['result']))
+
+if __name__ == '__main__':
+    main()