pppoe-server: migrators: fix python style

1 files changed, 37 insertions, 24 deletions

diff --git a/src/migration-scripts/pppoe-server/0-to-1 b/src/migration-scripts/pppoe-server/0-to-1
index bb24211b6..063c7eb56 100755
--- a/src/migration-scripts/pppoe-server/0-to-1
+++ b/src/migration-scripts/pppoe-server/0-to-1
@@ -1,37 +1,50 @@
 #!/usr/bin/env python3
-
-# Convert "service pppoe-server authentication radius-server  node key"
-# to:
-# "service pppoe-server authentication radius-server node secret"  
-
-import sys
-
+#
+# Copyright (C) 2020 VyOS maintainers and contributors
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 or later as
+# published by the Free Software Foundation.
+#
+# 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 <http://www.gnu.org/licenses/>.
+
+# Convert "service pppoe-server authentication radius-server node key"
+# to: "service pppoe-server authentication radius-server node secret"
+
+from sys import argv, exit
 from vyos.configtree import ConfigTree
 
-if (len(sys.argv) < 1):
+if (len(argv) < 1):
     print("Must specify file name!")
-    sys.exit(1)
+    exit(1)
 
-file_name = sys.argv[1]
+file_name = argv[1]
 
 with open(file_name, 'r') as f:
     config_file = f.read()
 
 ctree = ConfigTree(config_file)
+base = ['service', 'pppoe-server', 'authentication', 'radius-server']
 
-
-if not ctree.exists(['service', 'pppoe-server', 'authentication','radius-server']):
+if not ctree.exists(base):
     # Nothing to do
-    sys.exit(0)
+    exit(0)
 else:
-  nodes = ctree.list_nodes(['service', 'pppoe-server', 'authentication','radius-server'])
-  for node in nodes:
-    if ctree.exists(['service', 'pppoe-server', 'authentication', 'radius-server', node, 'key']):
-      val = ctree.return_value(['service', 'pppoe-server', 'authentication', 'radius-server', node, 'key'])
-      ctree.set(['service', 'pppoe-server', 'authentication', 'radius-server', node, 'secret'], value=val, replace=False)
-      ctree.delete(['service', 'pppoe-server', 'authentication', 'radius-server', node, 'key'])
-  try:
-    open(file_name,'w').write(ctree.to_string())
-  except OSError as e:
-    print("Failed to save the modified config: {}".format(e))
-    sys.exit(1)
+    nodes = ctree.list_nodes(base)
+    for node in nodes:
+        if ctree.exists(base + [node, 'key']):
+            val = ctree.return_value(base + [node, 'key'])
+            ctree.set(base + [node, 'secret'], value=val, replace=False)
+            ctree.delete(base + [node, 'key'])
+
+    try:
+        open(file_name,'w').write(ctree.to_string())
+    except OSError as e:
+        print("Failed to save the modified config: {}".format(e))
+        exit(1)