some changes to virtual command api, but its not yet clear how this should function

backend/manage.py

@@ -1,5 +1,8 @@
 #!/usr/bin/env python
 import os, sys
+
+from backend.models import Permission, Group
+
 sys.path.append(os.path.join(os.path.dirname(__file__), os.path.pardir))
 import os
 import unittest
@@ -59,10 +62,30 @@ def cov():
     return 1
 
 
+def insert_initial_groups():
+    print("DB: inserting default groups:")
+    for g in app.config.get("GROUPS", []):
+        print(g['name'])
+        g_permissions = g.pop('permissions', [])
+        g['permissions'] = Permission.get_by_names(g_permissions)
+        db.session.add(Group(**g))
+    db.session.commit()
+
+
+@manager.command
+def recreate_db():
+    """Drops the db tables."""
+    db.drop_all()
+    """Creates the db tables."""
+    db.create_all()
+    insert_initial_groups()
+
+
 @manager.command
 def create_db():
     """Creates the db tables."""
     db.create_all()
+    insert_initial_groups()
 
 
 @manager.command