Error d573577 total_seconds is not an attribute on timedelta in Python 2.6 (mozilla#73 ...

Learn how to work with date and time values using Python's datetime library, and how to avoid some of the gotchas and pitfalls of the datetime datatype.

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Django's DurationField lets you store a Python timedelta object in the database. It was introduced in Django 1.8, and doesn't yet have a user-friendly way to input this data in a form.