diff options
Diffstat (limited to 'synapse/handlers/federation.py')
| -rw-r--r-- | synapse/handlers/federation.py | 50 |
1 files changed, 32 insertions, 18 deletions
diff --git a/synapse/handlers/federation.py b/synapse/handlers/federation.py index ba3ede8024..87c0615820 100644 --- a/synapse/handlers/federation.py +++ b/synapse/handlers/federation.py @@ -24,6 +24,7 @@ from signedjson.key import decode_verify_key_bytes from signedjson.sign import verify_signed_json import six from six.moves import http_client +from six import iteritems from twisted.internet import defer from unpaddedbase64 import decode_base64 @@ -479,18 +480,18 @@ class FederationHandler(BaseHandler): # to get all state ids that we're interested in. event_map = yield self.store.get_events([ e_id - for key_to_eid in event_to_state_ids.values() - for key, e_id in key_to_eid.items() + for key_to_eid in event_to_state_ids.itervalues() + for key, e_id in key_to_eid.iteritems() if key[0] != EventTypes.Member or check_match(key[1]) ]) event_to_state = { e_id: { key: event_map[inner_e_id] - for key, inner_e_id in key_to_eid.items() + for key, inner_e_id in key_to_eid.iteritems() if inner_e_id in event_map } - for e_id, key_to_eid in event_to_state_ids.items() + for e_id, key_to_eid in event_to_state_ids.iteritems() } def redact_disallowed(event, state): @@ -505,7 +506,7 @@ class FederationHandler(BaseHandler): # membership states for the requesting server to determine # if the server is either in the room or has been invited # into the room. - for ev in state.values(): + for ev in state.itervalues(): if ev.type != EventTypes.Member: continue try: @@ -751,9 +752,19 @@ class FederationHandler(BaseHandler): curr_state = yield self.state_handler.get_current_state(room_id) def get_domains_from_state(state): + """Get joined domains from state + + Args: + state (dict[tuple, FrozenEvent]): State map from type/state + key to event. + + Returns: + list[tuple[str, int]]: Returns a list of servers with the + lowest depth of their joins. Sorted by lowest depth first. + """ joined_users = [ (state_key, int(event.depth)) - for (e_type, state_key), event in state.items() + for (e_type, state_key), event in state.iteritems() if e_type == EventTypes.Member and event.membership == Membership.JOIN ] @@ -770,7 +781,7 @@ class FederationHandler(BaseHandler): except Exception: pass - return sorted(joined_domains.items(), key=lambda d: d[1]) + return sorted(joined_domains.iteritems(), key=lambda d: d[1]) curr_domains = get_domains_from_state(curr_state) @@ -787,7 +798,7 @@ class FederationHandler(BaseHandler): yield self.backfill( dom, room_id, limit=100, - extremities=[e for e in extremities.keys()] + extremities=extremities, ) # If this succeeded then we probably already have the # appropriate stuff. @@ -833,7 +844,7 @@ class FederationHandler(BaseHandler): tried_domains = set(likely_domains) tried_domains.add(self.server_name) - event_ids = list(extremities.keys()) + event_ids = list(extremities.iterkeys()) logger.debug("calling resolve_state_groups in _maybe_backfill") resolve = logcontext.preserve_fn( @@ -843,31 +854,34 @@ class FederationHandler(BaseHandler): [resolve(room_id, [e]) for e in event_ids], consumeErrors=True, )) + + # dict[str, dict[tuple, str]], a map from event_id to state map of + # event_ids. states = dict(zip(event_ids, [s.state for s in states])) state_map = yield self.store.get_events( - [e_id for ids in states.values() for e_id in ids], + [e_id for ids in states.itervalues() for e_id in ids.itervalues()], get_prev_content=False ) states = { key: { k: state_map[e_id] - for k, e_id in state_dict.items() + for k, e_id in state_dict.iteritems() if e_id in state_map - } for key, state_dict in states.items() + } for key, state_dict in states.iteritems() } for e_id, _ in sorted_extremeties_tuple: likely_domains = get_domains_from_state(states[e_id]) success = yield try_backfill([ - dom for dom in likely_domains + dom for dom, _ in likely_domains if dom not in tried_domains ]) if success: defer.returnValue(True) - tried_domains.update(likely_domains) + tried_domains.update(dom for dom, _ in likely_domains) defer.returnValue(False) @@ -1375,7 +1389,7 @@ class FederationHandler(BaseHandler): ) if state_groups: - _, state = state_groups.items().pop() + _, state = list(iteritems(state_groups)).pop() results = { (e.type, e.state_key): e for e in state } @@ -2021,7 +2035,7 @@ class FederationHandler(BaseHandler): this will not be included in the current_state in the context. """ state_updates = { - k: a.event_id for k, a in auth_events.iteritems() + k: a.event_id for k, a in iteritems(auth_events) if k != event_key } context.current_state_ids = dict(context.current_state_ids) @@ -2031,7 +2045,7 @@ class FederationHandler(BaseHandler): context.delta_ids.update(state_updates) context.prev_state_ids = dict(context.prev_state_ids) context.prev_state_ids.update({ - k: a.event_id for k, a in auth_events.iteritems() + k: a.event_id for k, a in iteritems(auth_events) }) context.state_group = yield self.store.store_state_group( event.event_id, @@ -2083,7 +2097,7 @@ class FederationHandler(BaseHandler): def get_next(it, opt=None): try: - return it.next() + return next(it) except Exception: return opt |