Initial work on new CLI client rewrite

1. lib copied verbatim from existing client
2. initial reworking of Click to split logic from Click definitions

cli-client-new/pvc.py

@@ -0,0 +1,33 @@
+#!/usr/bin/env python3
+
+# pvc.py - PVC client command-line interface (stub testing interface)
+# Part of the Parallel Virtual Cluster (PVC) system
+#
+#    Copyright (C) 2018-2022 Joshua M. Boniface <joshua@boniface.me>
+#
+#    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, version 3.
+#
+#    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, see <https://www.gnu.org/licenses/>.
+#
+###############################################################################
+
+from pvc.cli.cli import cli
+
+
+#
+# Main entry point
+#
+def main():
+    return cli(obj={})
+
+
+if __name__ == "__main__":
+    main()