How to check if a MySQL connection is closed in Python?

The question says everything. How can I check if my MySQL connection is closed in P开发者_开发技巧ython?

I'm using MySQLdb, see http://mysql-python.sourceforge.net/

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The Connection.open field will be 1 if the connection is open and 0 otherwise. So you can say

if conn.open:
    # do something