On Tue, Jan 31, 2017 at 3:30 PM, Chris Angelico <ros...@gmail.com> wrote: > On Wed, Feb 1, 2017 at 7:26 AM, Larry Martell <larry.mart...@gmail.com> wrote: >> I have a list of dicts and one item of the dict is a date in m/d/Y >> format. I want to sort by that. I tried this: >> >> sorted(data['trends'], key=lambda k: >> datetime.strptime(k['date_time'],'%m/%d/%Y')) >> >> But that fails with: >> >> Exception Type: AttributeError at >> /report/CDSEM/WaferAlignment/ajax/waChart.json >> Exception Value: 'module' object has no attribute 'strptime' >> >> How can I do this sort? > > I think your problem here may be with how you're trying to parse that > datetime. There are two common ways to get access to a thing called > "datetime": > > # Option 1: > import datetime > # Option 2: > from datetime import datetime > > The first one gives you a module; the second gives you just one class > out of that module (one that happens to have the same name as the > module itself). My guess is that you're using the first form, but you > picked up some example code from somewhere that assumes the second. > > Try using "datetime.datetime.strptime" in your key function, and see > if that helps.
Thanks. I knew that ;-) I've had a very long day, and I don't use lambda much so I thought it was an issue with that. -- https://mail.python.org/mailman/listinfo/python-list