def updater(self, fields=True, groups=False, all=True, **kvargs):
"""
provide the ability for subclassing objects to extend the
definitions of the fields. this is implemented as a
context manager with the form called from the subclass
constructor:
with self.extend() as more:
more.fields = <dict>
more.groups = <dict> # optional
"""
# ---------------------------------------------------------------------
# create a new object class so we can attach stuff to it arbitrarily.
# then pass that object to the caller, yo!
# ---------------------------------------------------------------------
more = type("RunstatViewMore", (object, ), {})()
if fields is True:
more.fields = ViewFields()
# ---------------------------------------------------------------------
# callback through context manager
# ---------------------------------------------------------------------
yield more
updater = self._updater_class if all is True else self._updater_instance
updater(more)
def setUp(self):
self.vf = ViewFields()
