diff -r 4f0e9cf8f230 -r 4f56142e7497 instance.py
--- a/instance.py	Fri Jan 26 10:35:00 2018 +0000
+++ b/instance.py	Fri Jan 26 19:04:04 2018 +0000
@@ -6,8 +6,8 @@
 import logging
 import os
 import borgend
+from config import settings
 from subprocess import Popen, PIPE
-from config import settings, arglistify
 
 logger=borgend.logger.getChild(__name__)
 
@@ -19,25 +19,33 @@
     'list': ['--json'],
 }
 
+# Conversion of config into command line
+def arglistify(args):
+    flatten=lambda l: [item for sublist in l for item in sublist]
+    if args is None:
+        return []
+    else:
+        return flatten([['--' + key, str(d[key])] for d in args for key in d])
+
 class BorgInstance:
-    def __init__(self, operation, archive_or_repository, args, argsl):
+    def __init__(self, operation, archive_or_repository,
+                 common_params, op_params, paths):
         self.operation=operation;
-        self.args=args;
         self.archive_or_repository=archive_or_repository;
-        self.argsl=argsl;
+        self.common_params=common_params
+        self.op_params=op_params
+        self.paths=paths
 
     def construct_cmdline(self):
         cmd=([settings['borg']['executable']]+necessary_opts+
-             arglistify(settings['borg']['common_parameters'])+
+             arglistify(self.common_params)+
              [self.operation])
-        tmp1=self.operation+'_parameters'
-        if tmp1 in settings['borg']:
-            cmd=cmd+arglistify(settings['borg'][tmp1])
 
         if self.operation in necessary_opts_for:
             cmd=cmd+necessary_opts_for[self.operation]
 
-        return cmd+arglistify(self.args)+[self.archive_or_repository]+self.argsl
+        return (cmd+arglistify(self.op_params)
+                +[self.archive_or_repository]+self.paths)
 
     def launch(self, passphrase=None):
         cmd=self.construct_cmdline()