skytools.Config: allow missing filename

1 files changed, 4 insertions, 1 deletions

diff --git a/python/skytools/config.py b/python/skytools/config.py
index fd18ef13..43d0a46b 100644
--- a/python/skytools/config.py
+++ b/python/skytools/config.py
@@ -19,7 +19,10 @@ class Config(object):
         @param sane_config:  chooses between ConfigParser/SafeConfigParser.
         """
         # use config file name as default job_name
-        job_name = os.path.splitext(os.path.basename(filename))[0]
+        if filename:
+            job_name = os.path.splitext(os.path.basename(filename))[0]
+        else:
+            job_name = main_section
 
         # initialize defaults, make them usable in config file
         defs = {