Add data migration script from sqlite to mysql

batch-delete.py

@@ -0,0 +1,31 @@
+#!/usr/bin/python
+
+import os
+import sys
+
+import settings
+
+try:
+    dbname = os.environ['DBNAME']
+    dbuser = os.environ['DBUSER']
+    dbpasswd = os.environ['DBPASSWD']
+except:
+    print 'Environment not set! Exit'
+    sys.exit(1)
+
+def do_delete(prefix):
+        cmd = ('echo "select concat(\'drop table \',  table_name ,\';\') from TABLES where TABLE_SCHEMA =\'%s\' and table_name like \'%s_%%\' ;" | mysql -u %s -p%s information_schema | sed -n \'2,$p\' | mysql -u %s -p%s %s') % (dbname, prefix, dbuser, dbpasswd, dbuser, dbpasswd, dbname)
+        try:
+            output = os.popen(cmd).read()
+        except:
+            pass
+    
+if __name__=="__main__":
+    for app in settings.INSTALLED_APPS:
+        app_name = app.split('.')[-1]
+        do_delete(app_name)
+
+    do_delete('django')
+    
+    print '[Delete seahub tables...Done]'
+