PyMySQL, Shorter...

# Import third party libs
try:
    # Try to import MySQLdb
    import MySQLdb
    HAS_MYSQLDB = True
except ImportError:
    try:
        # MySQLdb import failed, try to import PyMySQL
        import pymysql
        pymysql.install_as_MySQLdb()
        import MySQLdb
        HAS_MYSQLDB = True
    except ImportError:
        # No MySQL Connector installed, return False
        HAS_MYSQLDB = False

import MySQLdb.cursors
import MySQLdb.converters
from MySQLdb.constants import FIELD_TYPE, FLAG