init script to create an empty db

dbmigration/create_empty_db.py

@@ -0,0 +1,27 @@
+#!/usr/bin/python
+# -*- coding: UTF-8 -*-
+
+import sqlite3
+
+connection = sqlite3.connect("db.sqlite")
+cursor = connection.cursor()
+
+# What script performs: 
+# - first, remove site table: crash here if table doesn't exist (compatibility test without effort)
+# - remove site_id colum from comment table
+script = """
+CREATE TABLE comment (
+    id INTEGER NOT NULL PRIMARY KEY, 
+	url VARCHAR(255) NOT NULL, 
+	notified DATETIME,
+	created DATETIME NOT NULL, 
+	published DATETIME, 
+	author_name VARCHAR(255) NOT NULL, 
+	author_site VARCHAR(255) NOT NULL,
+	author_gravatar varchar(255),
+	content TEXT NOT NULL 
+, ulid INTEGER);
+"""
+
+cursor.executescript(script)
+connection.close()