From c936a52a9eb18e302fbd5158da7188f674912530 Mon Sep 17 00:00:00 2001 From: Amber Brown Date: Thu, 31 May 2018 19:03:47 +1000 Subject: Consistently use six's iteritems and wrap lazy keys/values in list() if they're not meant to be lazy (#3307) --- synapse/storage/events.py | 47 +++++++++++++++++++++------------------ synapse/storage/presence.py | 7 ++---- synapse/storage/search.py | 4 ++-- synapse/storage/state.py | 47 +++++++++++++++++++++------------------ synapse/storage/user_directory.py | 8 ++++--- 5 files changed, 59 insertions(+), 54 deletions(-) (limited to 'synapse/storage') diff --git a/synapse/storage/events.py b/synapse/storage/events.py index b96104ccae..cb1082e864 100644 --- a/synapse/storage/events.py +++ b/synapse/storage/events.py @@ -40,6 +40,9 @@ import synapse.metrics from synapse.events import EventBase # noqa: F401 from synapse.events.snapshot import EventContext # noqa: F401 +from six.moves import range +from six import itervalues, iteritems + from prometheus_client import Counter logger = logging.getLogger(__name__) @@ -245,7 +248,7 @@ class EventsStore(EventsWorkerStore): partitioned.setdefault(event.room_id, []).append((event, ctx)) deferreds = [] - for room_id, evs_ctxs in partitioned.iteritems(): + for room_id, evs_ctxs in iteritems(partitioned): d = self._event_persist_queue.add_to_queue( room_id, evs_ctxs, backfilled=backfilled, @@ -330,7 +333,7 @@ class EventsStore(EventsWorkerStore): chunks = [ events_and_contexts[x:x + 100] - for x in xrange(0, len(events_and_contexts), 100) + for x in range(0, len(events_and_contexts), 100) ] for chunk in chunks: @@ -364,7 +367,7 @@ class EventsStore(EventsWorkerStore): (event, context) ) - for room_id, ev_ctx_rm in events_by_room.iteritems(): + for room_id, ev_ctx_rm in iteritems(events_by_room): # Work out new extremities by recursively adding and removing # the new events. latest_event_ids = yield self.get_latest_event_ids_in_room( @@ -459,12 +462,12 @@ class EventsStore(EventsWorkerStore): event_counter.labels(event.type, origin_type, origin_entity).inc() - for room_id, new_state in current_state_for_room.iteritems(): + for room_id, new_state in iteritems(current_state_for_room): self.get_current_state_ids.prefill( (room_id, ), new_state ) - for room_id, latest_event_ids in new_forward_extremeties.iteritems(): + for room_id, latest_event_ids in iteritems(new_forward_extremeties): self.get_latest_event_ids_in_room.prefill( (room_id,), list(latest_event_ids) ) @@ -641,20 +644,20 @@ class EventsStore(EventsWorkerStore): """ existing_state = yield self.get_current_state_ids(room_id) - existing_events = set(existing_state.itervalues()) - new_events = set(ev_id for ev_id in current_state.itervalues()) + existing_events = set(itervalues(existing_state)) + new_events = set(ev_id for ev_id in itervalues(current_state)) changed_events = existing_events ^ new_events if not changed_events: return to_delete = { - key: ev_id for key, ev_id in existing_state.iteritems() + key: ev_id for key, ev_id in iteritems(existing_state) if ev_id in changed_events } events_to_insert = (new_events - existing_events) to_insert = { - key: ev_id for key, ev_id in current_state.iteritems() + key: ev_id for key, ev_id in iteritems(current_state) if ev_id in events_to_insert } @@ -757,11 +760,11 @@ class EventsStore(EventsWorkerStore): ) def _update_current_state_txn(self, txn, state_delta_by_room, max_stream_order): - for room_id, current_state_tuple in state_delta_by_room.iteritems(): + for room_id, current_state_tuple in iteritems(state_delta_by_room): to_delete, to_insert = current_state_tuple txn.executemany( "DELETE FROM current_state_events WHERE event_id = ?", - [(ev_id,) for ev_id in to_delete.itervalues()], + [(ev_id,) for ev_id in itervalues(to_delete)], ) self._simple_insert_many_txn( @@ -774,7 +777,7 @@ class EventsStore(EventsWorkerStore): "type": key[0], "state_key": key[1], } - for key, ev_id in to_insert.iteritems() + for key, ev_id in iteritems(to_insert) ], ) @@ -793,7 +796,7 @@ class EventsStore(EventsWorkerStore): "event_id": ev_id, "prev_event_id": to_delete.get(key, None), } - for key, ev_id in state_deltas.iteritems() + for key, ev_id in iteritems(state_deltas) ] ) @@ -836,7 +839,7 @@ class EventsStore(EventsWorkerStore): def _update_forward_extremities_txn(self, txn, new_forward_extremities, max_stream_order): - for room_id, new_extrem in new_forward_extremities.iteritems(): + for room_id, new_extrem in iteritems(new_forward_extremities): self._simple_delete_txn( txn, table="event_forward_extremities", @@ -854,7 +857,7 @@ class EventsStore(EventsWorkerStore): "event_id": ev_id, "room_id": room_id, } - for room_id, new_extrem in new_forward_extremities.iteritems() + for room_id, new_extrem in iteritems(new_forward_extremities) for ev_id in new_extrem ], ) @@ -871,7 +874,7 @@ class EventsStore(EventsWorkerStore): "event_id": event_id, "stream_ordering": max_stream_order, } - for room_id, new_extrem in new_forward_extremities.iteritems() + for room_id, new_extrem in iteritems(new_forward_extremities) for event_id in new_extrem ] ) @@ -899,7 +902,7 @@ class EventsStore(EventsWorkerStore): new_events_and_contexts[event.event_id] = (event, context) else: new_events_and_contexts[event.event_id] = (event, context) - return new_events_and_contexts.values() + return list(new_events_and_contexts.values()) def _update_room_depths_txn(self, txn, events_and_contexts, backfilled): """Update min_depth for each room @@ -925,7 +928,7 @@ class EventsStore(EventsWorkerStore): event.depth, depth_updates.get(event.room_id, event.depth) ) - for room_id, depth in depth_updates.iteritems(): + for room_id, depth in iteritems(depth_updates): self._update_min_depth_for_room_txn(txn, room_id, depth) def _update_outliers_txn(self, txn, events_and_contexts): @@ -1309,7 +1312,7 @@ class EventsStore(EventsWorkerStore): " WHERE e.event_id IN (%s)" ) % (",".join(["?"] * len(ev_map)),) - txn.execute(sql, ev_map.keys()) + txn.execute(sql, list(ev_map)) rows = self.cursor_to_dict(txn) for row in rows: event = ev_map[row["event_id"]] @@ -1572,7 +1575,7 @@ class EventsStore(EventsWorkerStore): chunks = [ event_ids[i:i + 100] - for i in xrange(0, len(event_ids), 100) + for i in range(0, len(event_ids), 100) ] for chunk in chunks: ev_rows = self._simple_select_many_txn( @@ -1986,7 +1989,7 @@ class EventsStore(EventsWorkerStore): logger.info("[purge] finding state groups which depend on redundant" " state groups") remaining_state_groups = [] - for i in xrange(0, len(state_rows), 100): + for i in range(0, len(state_rows), 100): chunk = [sg for sg, in state_rows[i:i + 100]] # look for state groups whose prev_state_group is one we are about # to delete @@ -2042,7 +2045,7 @@ class EventsStore(EventsWorkerStore): "state_key": key[1], "event_id": state_id, } - for key, state_id in curr_state.iteritems() + for key, state_id in iteritems(curr_state) ], ) diff --git a/synapse/storage/presence.py b/synapse/storage/presence.py index 9e9d3c2591..f05d91cc58 100644 --- a/synapse/storage/presence.py +++ b/synapse/storage/presence.py @@ -16,6 +16,7 @@ from ._base import SQLBaseStore from synapse.api.constants import PresenceState from synapse.util.caches.descriptors import cached, cachedInlineCallbacks, cachedList +from synapse.util import batch_iter from collections import namedtuple from twisted.internet import defer @@ -115,11 +116,7 @@ class PresenceStore(SQLBaseStore): " AND user_id IN (%s)" ) - batches = ( - presence_states[i:i + 50] - for i in xrange(0, len(presence_states), 50) - ) - for states in batches: + for states in batch_iter(presence_states, 50): args = [stream_id] args.extend(s.user_id for s in states) txn.execute( diff --git a/synapse/storage/search.py b/synapse/storage/search.py index a9c299a861..f0fa5d7631 100644 --- a/synapse/storage/search.py +++ b/synapse/storage/search.py @@ -448,7 +448,7 @@ class SearchStore(BackgroundUpdateStore): "search_msgs", self.cursor_to_dict, sql, *args ) - results = filter(lambda row: row["room_id"] in room_ids, results) + results = list(filter(lambda row: row["room_id"] in room_ids, results)) events = yield self._get_events([r["event_id"] for r in results]) @@ -603,7 +603,7 @@ class SearchStore(BackgroundUpdateStore): "search_rooms", self.cursor_to_dict, sql, *args ) - results = filter(lambda row: row["room_id"] in room_ids, results) + results = list(filter(lambda row: row["room_id"] in room_ids, results)) events = yield self._get_events([r["event_id"] for r in results]) diff --git a/synapse/storage/state.py b/synapse/storage/state.py index ffa4246031..bdee14a8eb 100644 --- a/synapse/storage/state.py +++ b/synapse/storage/state.py @@ -16,6 +16,9 @@ from collections import namedtuple import logging +from six import iteritems, itervalues +from six.moves import range + from twisted.internet import defer from synapse.storage.background_updates import BackgroundUpdateStore @@ -134,7 +137,7 @@ class StateGroupWorkerStore(SQLBaseStore): event_ids, ) - groups = set(event_to_groups.itervalues()) + groups = set(itervalues(event_to_groups)) group_to_state = yield self._get_state_for_groups(groups) defer.returnValue(group_to_state) @@ -166,18 +169,18 @@ class StateGroupWorkerStore(SQLBaseStore): state_event_map = yield self.get_events( [ - ev_id for group_ids in group_to_ids.itervalues() - for ev_id in group_ids.itervalues() + ev_id for group_ids in itervalues(group_to_ids) + for ev_id in itervalues(group_ids) ], get_prev_content=False ) defer.returnValue({ group: [ - state_event_map[v] for v in event_id_map.itervalues() + state_event_map[v] for v in itervalues(event_id_map) if v in state_event_map ] - for group, event_id_map in group_to_ids.iteritems() + for group, event_id_map in iteritems(group_to_ids) }) @defer.inlineCallbacks @@ -186,7 +189,7 @@ class StateGroupWorkerStore(SQLBaseStore): """ results = {} - chunks = [groups[i:i + 100] for i in xrange(0, len(groups), 100)] + chunks = [groups[i:i + 100] for i in range(0, len(groups), 100)] for chunk in chunks: res = yield self.runInteraction( "_get_state_groups_from_groups", @@ -347,21 +350,21 @@ class StateGroupWorkerStore(SQLBaseStore): event_ids, ) - groups = set(event_to_groups.itervalues()) + groups = set(itervalues(event_to_groups)) group_to_state = yield self._get_state_for_groups(groups, types) state_event_map = yield self.get_events( - [ev_id for sd in group_to_state.itervalues() for ev_id in sd.itervalues()], + [ev_id for sd in itervalues(group_to_state) for ev_id in itervalues(sd)], get_prev_content=False ) event_to_state = { event_id: { k: state_event_map[v] - for k, v in group_to_state[group].iteritems() + for k, v in iteritems(group_to_state[group]) if v in state_event_map } - for event_id, group in event_to_groups.iteritems() + for event_id, group in iteritems(event_to_groups) } defer.returnValue({event: event_to_state[event] for event in event_ids}) @@ -384,12 +387,12 @@ class StateGroupWorkerStore(SQLBaseStore): event_ids, ) - groups = set(event_to_groups.itervalues()) + groups = set(itervalues(event_to_groups)) group_to_state = yield self._get_state_for_groups(groups, types) event_to_state = { event_id: group_to_state[group] - for event_id, group in event_to_groups.iteritems() + for event_id, group in iteritems(event_to_groups) } defer.returnValue({event: event_to_state[event] for event in event_ids}) @@ -503,7 +506,7 @@ class StateGroupWorkerStore(SQLBaseStore): got_all = is_all or not missing_types return { - k: v for k, v in state_dict_ids.iteritems() + k: v for k, v in iteritems(state_dict_ids) if include(k[0], k[1]) }, missing_types, got_all @@ -562,12 +565,12 @@ class StateGroupWorkerStore(SQLBaseStore): # Now we want to update the cache with all the things we fetched # from the database. - for group, group_state_dict in group_to_state_dict.iteritems(): + for group, group_state_dict in iteritems(group_to_state_dict): state_dict = results[group] state_dict.update( ((intern_string(k[0]), intern_string(k[1])), to_ascii(v)) - for k, v in group_state_dict.iteritems() + for k, v in iteritems(group_state_dict) ) self._state_group_cache.update( @@ -654,7 +657,7 @@ class StateGroupWorkerStore(SQLBaseStore): "state_key": key[1], "event_id": state_id, } - for key, state_id in delta_ids.iteritems() + for key, state_id in iteritems(delta_ids) ], ) else: @@ -669,7 +672,7 @@ class StateGroupWorkerStore(SQLBaseStore): "state_key": key[1], "event_id": state_id, } - for key, state_id in current_state_ids.iteritems() + for key, state_id in iteritems(current_state_ids) ], ) @@ -794,11 +797,11 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore): "state_group": state_group_id, "event_id": event_id, } - for event_id, state_group_id in state_groups.iteritems() + for event_id, state_group_id in iteritems(state_groups) ], ) - for event_id, state_group_id in state_groups.iteritems(): + for event_id, state_group_id in iteritems(state_groups): txn.call_after( self._get_state_group_for_event.prefill, (event_id,), state_group_id @@ -826,7 +829,7 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore): def reindex_txn(txn): new_last_state_group = last_state_group - for count in xrange(batch_size): + for count in range(batch_size): txn.execute( "SELECT id, room_id FROM state_groups" " WHERE ? < id AND id <= ?" @@ -884,7 +887,7 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore): # of keys delta_state = { - key: value for key, value in curr_state.iteritems() + key: value for key, value in iteritems(curr_state) if prev_state.get(key, None) != value } @@ -924,7 +927,7 @@ class StateStore(StateGroupWorkerStore, BackgroundUpdateStore): "state_key": key[1], "event_id": state_id, } - for key, state_id in delta_state.iteritems() + for key, state_id in iteritems(delta_state) ], ) diff --git a/synapse/storage/user_directory.py b/synapse/storage/user_directory.py index d6e289ffbe..275c299998 100644 --- a/synapse/storage/user_directory.py +++ b/synapse/storage/user_directory.py @@ -22,6 +22,8 @@ from synapse.api.constants import EventTypes, JoinRules from synapse.storage.engines import PostgresEngine, Sqlite3Engine from synapse.types import get_domain_from_id, get_localpart_from_id +from six import iteritems + import re import logging @@ -100,7 +102,7 @@ class UserDirectoryStore(SQLBaseStore): user_id, get_localpart_from_id(user_id), get_domain_from_id(user_id), profile.display_name, ) - for user_id, profile in users_with_profile.iteritems() + for user_id, profile in iteritems(users_with_profile) ) elif isinstance(self.database_engine, Sqlite3Engine): sql = """ @@ -112,7 +114,7 @@ class UserDirectoryStore(SQLBaseStore): user_id, "%s %s" % (user_id, p.display_name,) if p.display_name else user_id ) - for user_id, p in users_with_profile.iteritems() + for user_id, p in iteritems(users_with_profile) ) else: # This should be unreachable. @@ -130,7 +132,7 @@ class UserDirectoryStore(SQLBaseStore): "display_name": profile.display_name, "avatar_url": profile.avatar_url, } - for user_id, profile in users_with_profile.iteritems() + for user_id, profile in iteritems(users_with_profile) ] ) for user_id in users_with_profile: -- cgit 1.4.1