How to check if a datetime object is localized with pytz?

Question

I want to store a datetime object with a localized UTC timezone. The method that stores the datetime object can be given a non-localized datetime (naive) object or an object

Answer 1

Here is a function wrapping up the top answer.

def tz_aware(dt):
    return dt.tzinfo is not None and dt.tzinfo.utcoffset(dt) is not None