Add a script to force migration of lazy tables and fix missing options in DAL init.

gluon/shell.py

@@ -251,12 +251,12 @@ def run(
         orig_init = DAL.__init__
 
         def custom_init(*args, **kwargs):
+            kwargs['migrate_enabled'] = True
             kwargs['migrate'] = True
-            logger.info('Forcing migrate=True')
+            logger.info('Forcing migrate_enabled=True')
             orig_init(*args, **kwargs)
 
         DAL.__init__ = custom_init
-        logger.debug('Custom init should not have been called already')
 
     if c:
         import_models = True
@@ -310,6 +310,15 @@ def run(
             print(traceback.format_exc())
             if import_models:
                 BaseAdapter.close_all_instances('rollback')
+    elif force_migrate:
+        try:
+            execfile("scripts/migrator.py", _env)
+            if import_models:
+                BaseAdapter.close_all_instances('commit')
+        except:
+            print(traceback.format_exc())
+            if import_models:
+                BaseAdapter.close_all_instances('rollback')
     else:
         if not plain:
             if bpython: