djblets/djblets — pull request #5 by svetlyak40wt (2012-12-07 13:32:34+00:00)
Title: Allow 'some.other.object.field' specification.

It is useful, if you want to output value of some child object's field in the column, like that:

full_name = Column(_(u'Full Name'), field_name='user.get_fullname')