boxplot data --- how?

I have been generating boxplots with matplotlib 1.1.0 and the plots look great.

How can I find the median, fliers, etc. that are used for the boxplots? In general, where can I find documentation on how to get these data from a boxplot?

Best regards!
[Using matplotlib 1.1.0 with Python 2.7.3 on a Windows Vista 32-bit platform]