added new version of CLI for running interop tests

user_interface.py

+import click
+from prompt_toolkit import prompt
+from prompt_toolkit.history import FileHistory
+from prompt_toolkit.auto_suggest import AutoSuggestFromHistory
+from prompt_toolkit.contrib.completers import WordCompleter
+
+SQLCompleter = WordCompleter(['select', 'from', 'insert', 'update', 'delete', 'drop'],
+                             ignore_case=True)
+
+
+if __name__ == '__main__':
+    cli = click.Group(
+        short_help='hola'
+    )
+
+    session_url = click.Option(
+        param_decls=["--url"],
+        default="amqp://guest:guest@localhost/",
+        required=True,
+        help="AMQP url provided by F-Interop")
+
+    connect_command = click.Command(
+        "connect",
+        callback=print,
+        params=[
+            session_url,
+        ],
+        short_help="Connect with authentication AMQP_URL, and some other basic agent configurations."
+    )
+
+    cli.add_command(connect_command)
+
+
+    while 1:
+        user_input = prompt('SQL>',
+                            history=FileHistory('history.txt'),
+                            auto_suggest=AutoSuggestFromHistory(),
+                            completer=SQLCompleter,
+                            )
+        print('# entered: ' + user_input)
+        #click.echo_via_pager(user_input)
+
+        try:
+            cli()
+        except Exception as e:
+            print(e)
\ No newline at end of file