Python - Default Header with Mysql DB

gistfile1.py

#!/usr/bin/python
# -*- coding: utf-8 -*-

import MySQLdb as mdb
import MySQLdb.cursors



class dbDevConfiguration:
  host = "localhost"
  username = "root"
  password = "root"
  db = "dbname-dev"

class dbProductionConfiguration:
  host = "localhost"
  username = "root"
  password = "root"
  db = "dbname-prod"


_con = None

try:
  _con = mdb.connect( dbDevConfiguration.host, dbDevConfiguration.username, dbDevConfiguration.password, dbDevConfiguration.db,cursorclass=MySQLdb.cursors.DictCursor)    
except Exception, e:
  pass

if(_con ==None):
    try:
     _con = mdb.connect( dbProductionConfiguration.host, dbProductionConfiguration.username, dbProductionConfiguration.password, dbProductionConfiguration.db,cursorclass=MySQLdb.cursors.DictCursor)
    except Exception:
     raise Exception("connessione con dev o prod fallita")


def getConnection():
    global _con
    return _con