Use YAML formatted variable file

WAPT/control

@@ -1,5 +1,5 @@
 package           : fws-backuppc-agent
-version           : 1.3.4-22
+version           : 1.3.4-24
 architecture      : all
 section           : base
 priority          : optional

setup.py

@@ -1,7 +1,6 @@
 # -*- coding: utf-8 -*-
 from setuphelpers import *
-from cryptography.fernet import Fernet
-import json, os, random, string, time
+import os, random, string, time
 from jinja2 import Environment, FileSystemLoader
 
 uninstallkey = []
@@ -15,8 +14,10 @@ variables = {
 # Read local variables file if available
 if isfile(makepath(programfiles32,'wapt','private','symetric.txt')) and isfile(makepath(programfiles32,'wapt','private','variables.txt')):
     print('Reading local encrypted variables file')
+    from cryptography.fernet import Fernet
+    import yaml
     f = Fernet(open(makepath(programfiles32,'wapt','private','symetric.txt'),'r').read())
-    variables.update(json.loads(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
+    variables.update(yaml.safe_load(f.decrypt(open(makepath(programfiles32,'wapt','private','variables.txt'),'r').read())))
 
 # Create a random pass for the local backup account if not defined
 if not 'backup_pass' in variables: