Add DurationField.

[tomchristie]

For ModelSerializer classes this should be mapped to by Django 1.8's DurationField.

[jpadilla]

Docs: https://docs.djangoproject.com/en/dev/ref/models/fields/#django.db.models.DurationField

What should the representation for this be?

[tomchristie]

Hrm. JSONEncoder will currently handle timedelta as a string representation "123.456788", so options would be:

• Use string representation.
• Use timedelta and allow JSONEncoder to handle the final switch.
• Follow DecimalField and use the string repr by default, but allow the coercion to be switched off.
• Decide that actually this isn't super worthy of 3.1.0 and push it back along with the range fields.

[jpadilla]

I personally don't mind pushing this back as well. I like we're already supporting "popular"(or what in my opinion are more seen and useful cases) fields like UUIDField, DictField, and HStoreField.

Perhaps pushing this one back, and work on ArrayField(#2107) for it's current 3.1.0 milestone?

[kevin-brown]

Decide that actually this isn't super worthy of 3.1.0 and push it back along with the range fields.

👍

[willstott101]

There's some weird behaviour with this at the moment actually. A ModelSerializer with a (django) DurationField serializes via django.utils.duration.duration_string to days hrs:mins:secs (1 04:00:00) however that's not consistent with the (IMO less useful) current JSON encoder which renders to a decimal of seconds. As for supporting the field I think normalizing the behaviour must surely be the first step. I for one vote for using duration_string for trivial moment.js integration delta_str.replace(' ', '.').

[tomchristie]

@thedrow Sounds reasonable, yep.

[ghost]

Is there any guess on when this might sneak into the codebase? I'm just trying to plan for adding a duration field to one of my models.

[tomchristie]

@rpcastagna Its absolutely not a priority. If anything it might make sense for it to be considered as a third party package first.

[xordoquy]

Closing this as part of #2989. Feel free to reopen if there is more to be done.