.

go/neo/py/runneo.py

@@ -40,7 +40,7 @@ def main():
     clusterName = sys.argv[2]
     readyf      = workdir + "/ready"
 
-    kw = {}
+    kw = {'clear_databases': False} # switch default not to clear data on startup
     for arg in sys.argv[3:]:
         k, v = arg.split('=')
         kw[k] = v
@@ -66,10 +66,7 @@ def main():
         flags = ' ssl'
         NEOCluster.SSL = (ca, cert, key)
 
-    if kw:
-        raise RuntimeError(sinfo("unexpected flags: %s" % kw))
-
-    cluster = NEOCluster([clusterName], adapter='SQLite', name=clusterName, temp_dir=workdir)
+    cluster = NEOCluster([clusterName], adapter='SQLite', name=clusterName, temp_dir=workdir, **kw)
     cluster.start()
     defer(cluster.stop)