def f(self):
        if self.data.minute == 0:
            return self.g()
        return u'%s:%s' % (self.g(), self.i())
Time, in 12-hour hours and minutes, with minutes left off if they're
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/utils/dateformat.py/TimeFormat.f