Merge pull request #131 from mzfr/remove-basicConfig

Removed basicConfig & fixed working of --log-file arg

cvise.py

@@ -354,15 +354,18 @@ def get_available_cores():
     else:
         log_config['level'] = getattr(logging, args.log_level.upper())
 
-    if args.log_file is not None:
-        log_config['filename'] = args.log_file
-
-    logging.basicConfig(**log_config)
-    syslog = logging.StreamHandler()
+    logging.getLogger().setLevel(log_config['level'])
     formatter = DeltaTimeFormatter(log_format)
-    syslog.setFormatter(formatter)
-    logging.getLogger().handlers = []
-    logging.getLogger().addHandler(syslog)
+    root_logger = logging.getLogger()
+
+    if args.log_file is not None:
+        file_handler = logging.FileHandler(args.log_file)
+        file_handler.setFormatter(formatter)
+        root_logger.addHandler(file_handler)
+    else:
+        syslog = logging.StreamHandler()
+        syslog.setFormatter(formatter)
+        root_logger.addHandler(syslog)
 
     pass_options = set()