From a07e17d5e78bb4d16c12e5b2b8767daafe2fc47e Mon Sep 17 00:00:00 2001
From: Mark Stapp <mjs@voltanet.io>
Date: Tue, 30 Apr 2019 11:31:02 -0400
Subject: [PATCH] topotest: fixes to support python3

Make some small changes to support both python 2 and 3.

Signed-off-by: Mark Stapp <mjs@voltanet.io>
---
 tests/topotests/lib/topogen.py | 17 +++++++++++------
 1 file changed, 11 insertions(+), 6 deletions(-)

diff --git a/tests/topotests/lib/topogen.py b/tests/topotests/lib/topogen.py
index d989240a16..0bc1596eb2 100644
--- a/tests/topotests/lib/topogen.py
+++ b/tests/topotests/lib/topogen.py
@@ -42,7 +42,12 @@ import os
 import sys
 import logging
 import json
-import ConfigParser
+
+if sys.version_info[0] > 2:
+    import configparser
+else:
+    import ConfigParser as configparser
+
 import glob
 import grp
 import platform
@@ -153,7 +158,7 @@ class Topogen(object):
         Loads the configuration file `pytest.ini` located at the root dir of
         topotests.
         """
-        self.config = ConfigParser.ConfigParser(tgen_defaults)
+        self.config = configparser.ConfigParser(tgen_defaults)
         pytestini_path = os.path.join(CWD, '../pytest.ini')
         self.config.read(pytestini_path)
 
@@ -599,7 +604,7 @@ class TopoRouter(TopoGear):
     def _prepare_tmpfiles(self):
         # Create directories if they don't exist
         try:
-            os.makedirs(self.logdir, 0755)
+            os.makedirs(self.logdir, 0o755)
         except OSError:
             pass
 
@@ -608,10 +613,10 @@ class TopoRouter(TopoGear):
             # Only allow group, if it exist.
             gid = grp.getgrnam(self.routertype)[2]
             os.chown(self.logdir, 0, gid)
-            os.chmod(self.logdir, 0775)
+            os.chmod(self.logdir, 0o775)
         except KeyError:
             # Allow anyone, but set the sticky bit to avoid file deletions
-            os.chmod(self.logdir, 01777)
+            os.chmod(self.logdir, 0o1777)
 
         # Try to find relevant old logfiles in /tmp and delete them
         map(os.remove, glob.glob('{}/{}/*.log'.format(self.logdir, self.name)))
@@ -931,7 +936,7 @@ def diagnose_env_linux():
     logger.info('Running environment diagnostics')
 
     # Load configuration
-    config = ConfigParser.ConfigParser(tgen_defaults)
+    config = configparser.ConfigParser(tgen_defaults)
     pytestini_path = os.path.join(CWD, '../pytest.ini')
     config.read(pytestini_path)