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Add concurrently_execute function

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This commit is contained in:
Erik Johnston 2016-04-01 14:06:00 +01:00
parent 35bb465b86
commit 8d73cd502b
4 changed files with 81 additions and 74 deletions
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17
synapse/handlers/room.py
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@ -23,7 +23,8 @@ from synapse.api.constants import (
EventTypes, JoinRules, RoomCreationPreset,
)
from synapse.api.errors import AuthError, StoreError, SynapseError
from synapse.util import stringutils, unwrapFirstError
from synapse.util import stringutils
from synapse.util.async import concurrently_execute
from synapse.util.logcontext import preserve_context_over_fn
from synapse.util.caches.response_cache import ResponseCache
@ -368,6 +369,8 @@ class RoomListHandler(BaseHandler):
def _get_public_room_list(self):
room_ids = yield self.store.get_public_room_ids()
results = []
@defer.inlineCallbacks
def handle_room(room_id):
aliases = yield self.store.get_aliases_for_room(room_id)
@ -428,18 +431,12 @@ class RoomListHandler(BaseHandler):
joined_users = yield self.store.get_users_in_room(room_id)
result["num_joined_members"] = len(joined_users)
defer.returnValue(result)
results.append(result)
result = []
for chunk in (room_ids[i:i + 10] for i in xrange(0, len(room_ids), 10)):
chunk_result = yield defer.gatherResults([
handle_room(room_id)
for room_id in chunk
], consumeErrors=True).addErrback(unwrapFirstError)
result.extend(v for v in chunk_result if v)
yield concurrently_execute(handle_room, room_ids, 10)
# FIXME (erikj): START is no longer a valid value
defer.returnValue({"start": "START", "end": "END", "chunk": result})
defer.returnValue({"start": "START", "end": "END", "chunk": results})
class RoomContextHandler(BaseHandler):