interactive client: change command history location

- place file in ~/.local/state/
- create the directory if needed
- use pathlib

Change-Id: I9381c65fd63cea44013f2cfd16e14b8dc26c465c
Reviewed-on: https://forge.frm2.tum.de/review/c/secop/frappy/+/37111
Tested-by: Jenkins Automated Tests <pedersen+jenkins@frm2.tum.de>
Reviewed-by: Markus Zolliker <markus.zolliker@psi.ch>

frappy/client/interactive.py

@@ -29,7 +29,7 @@ import os
 import traceback
 import threading
 import logging
-from os.path import expanduser
+from pathlib import Path
 from frappy.lib import delayed_import
 from frappy.client import SecopClient, UnregisterCallback
 from frappy.errors import SECoPError
@@ -497,7 +497,7 @@ class Console(code.InteractiveConsole):
         history = None
         if readline:
             try:
-                history = expanduser(f'~/.config/frappy/{name}-history')
+                history = Path(f'~/.local/state/frappy-{name}-history').expanduser()
                 readline.read_history_file(history)
             except FileNotFoundError:
                 pass
@@ -505,6 +505,7 @@ class Console(code.InteractiveConsole):
             self.interact('', '')
         finally:
             if history:
+                history.parent.mkdir(mode=0o700, parents=True, exist_ok=True)
                 readline.write_history_file(history)
 
     def raw_input(self, prompt=""):