try:
    import scribus
except ImportError,err:
    print "We need to run from Scribus"
    sys.exit(1)
try:
    import MySQLdb
except ImportError,err:
    scribus.messageBox('Script failed','Python MySQLdb missing')
    sys.exit(1)
try:
    scribus.openDoc("yourdocument.sla")
except:
    scribus.messageBox('Script failed','Could not open file')
    sys.exit(1)
try:
    db = MySQLdb.connect(host="dbhost" , user="youruser", passwd="yourpw", db="yourdb")
except:
    scribus.messageBox('DB failed','Cannot connect to database')
try:
    cursor = db.cursor()
except:
    scribus.messageBox('DB failed','Access denied')

try:
    cursor.execute (cmd)
except:
    scribus.messageBox('DB failed','DB query failed')