def _update_model(self, events, msg, root, model, doc, comm=None):
if comm:
filtered = {}
for k, v in msg.items():
try:
change = (k not in self._changing or self._changing[k] != v
or self._changing['id'] != model.ref['id'])
except:
change = True
if change:
filtered[k] = v
for attr, new in filtered.items():
setattr(model, attr, new)
event = doc._held_events[-1] if doc._held_events else None
if (event and event.model is model and event.attr == attr
and event.new is new):
continue
# If change did not trigger event trigger it manually
old = getattr(model, attr)
serializable_new = model.lookup(attr).serializable_value(model)
event = ModelChangedEvent(doc, model, attr, old, new,
serializable_new)
_combine_document_events(event, doc._held_events)
else:
model.update(**msg)
def update_model():
update = {k: v for msg in msgs for k, v in msg.items()}
if comm:
for attr, new in update.items():
setattr(model, attr, new)
event = doc._held_events[
-1] if doc._held_events else None
if (event and event.model is model
and event.attr == attr and event.new is new):
continue
# If change did not trigger event trigger it manually
old = getattr(model, attr)
serializable_new = model.lookup(
attr).serializable_value(model)
event = ModelChangedEvent(doc, model, attr, old, new,
serializable_new)
_combine_document_events(event, doc._held_events)
else:
model.update(**update)