Add support for updating state

This commit is contained in:
Erik Johnston 2018-07-23 13:02:09 +01:00
parent e42510ba63
commit 027bc01a1b
2 changed files with 42 additions and 9 deletions

View file

@ -228,6 +228,25 @@ class EventContext(object):
else:
self._prev_state_ids = self._current_state_ids
@defer.inlineCallbacks
def update_state(self, state_group, prev_state_ids, current_state_ids,
delta_ids):
"""Replace the state in the context
"""
# We need to make sure we wait for any ongoing fetching of state
# to complete so that the updated state doesn't get clobbered
if self._fetching_state_deferred:
yield make_deferred_yieldable(self._fetching_state_deferred)
self.state_group = state_group
self._prev_state_ids = prev_state_ids
self._current_state_ids = current_state_ids
self.delta_ids = delta_ids
# We need to ensure that that we've marked as having fetched the state
self._fetching_state_deferred = defer.succeed(None)
def _encode_state_dict(state_dict):
"""Since dicts of (type, state_key) -> event_id cannot be serialized in