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

scripts/migrator.py

@@ -0,0 +1,35 @@
+# -*- coding: utf-8 -*-
+'''
+To use, e.g. python .\web2py.py -S APPNAME --force_migrate
+'''
+
+import logging
+
+logger = logging.getLogger("web2py")
+
+
+def get_databases(request):
+    dbs = {}
+    global_env = globals()
+    for (key, value) in global_env.items():
+        try:
+            cond = isinstance(value, GQLDB)
+        except:
+            cond = isinstance(value, SQLDB)
+        if cond:
+            dbs[key] = value
+    return dbs
+
+
+logger.debug('Getting all databases')
+databases = get_databases(None)
+logger.debug('databases = %s', databases)
+for db_name in databases:
+    logger.debug('Migrating %s', db_name)
+    db = databases[db_name]
+    tables = db.tables
+    for table_name in tables:
+        # Force migration of lazy tables
+        logger.debug("Ensuring migration of table '%s'", table_name)
+        db(db[table_name]).isempty()
+    db.commit()