将unix时间转换为熊猫数据存储器中的可读日期

I have a data frame with unix times and prices in it. I want to convert the index column so that it shows in human readable dates. So for instance i have "date" as 1349633705 in the index column but I'd want it to show as 10/07/2012 (or at least 10/07/2012 18:15). For some context, here is the code I'm working with and what I've tried already:I have a data frame with unix times and prices