Move the *EventSource classes into the handlers they relate to, so it's easier to find the code
This commit is contained in:
Paul "LeoNerd" Evans
parent
ca025c2b1d
commit
20d0db6cfb
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@ -722,6 +722,84 @@ class PresenceHandler(BaseHandler):
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)
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class PresenceEventSource(object):
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def __init__(self, hs):
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self.hs = hs
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self.clock = hs.get_clock()
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def get_new_events_for_user(self, user, from_token, limit):
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from_key = int(from_token.presence_key)
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presence = self.hs.get_handlers().presence_handler
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cachemap = presence._user_cachemap
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# TODO(paul): limit, and filter by visibility
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updates = [(k, cachemap[k]) for k in cachemap
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if from_key < cachemap[k].serial]
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if updates:
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clock = self.clock
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latest_serial = max([x[1].serial for x in updates])
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data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
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end_token = from_token.copy_and_replace(
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"presence_key", latest_serial
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)
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return ((data, end_token))
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else:
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end_token = from_token.copy_and_replace(
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"presence_key", presence._user_cachemap_latest_serial
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)
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return (([], end_token))
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def get_current_token_part(self):
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presence = self.hs.get_handlers().presence_handler
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return presence._user_cachemap_latest_serial
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def get_pagination_rows(self, user, pagination_config, key):
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# TODO (erikj): Does this make sense? Ordering?
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from_token = pagination_config.from_token
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to_token = pagination_config.to_token
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from_key = int(from_token.presence_key)
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if to_token:
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to_key = int(to_token.presence_key)
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else:
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to_key = -1
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presence = self.hs.get_handlers().presence_handler
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cachemap = presence._user_cachemap
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# TODO(paul): limit, and filter by visibility
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updates = [(k, cachemap[k]) for k in cachemap
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if to_key < cachemap[k].serial < from_key]
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if updates:
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clock = self.clock
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earliest_serial = max([x[1].serial for x in updates])
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data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
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if to_token:
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next_token = to_token
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else:
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next_token = from_token
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next_token = next_token.copy_and_replace(
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"presence_key", earliest_serial
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)
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return ((data, next_token))
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else:
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if not to_token:
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to_token = from_token.copy_and_replace(
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"presence_key", 0
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)
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return (([], to_token))
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class UserPresenceCache(object):
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"""Store an observed user's state and status message.
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@ -462,3 +462,51 @@ class RoomListHandler(BaseRoomHandler):
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chunk = yield self.store.get_rooms(is_public=True)
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# FIXME (erikj): START is no longer a valid value
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defer.returnValue({"start": "START", "end": "END", "chunk": chunk})
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class RoomEventSource(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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@defer.inlineCallbacks
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def get_new_events_for_user(self, user, from_token, limit):
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# We just ignore the key for now.
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to_key = yield self.get_current_token_part()
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events, end_key = yield self.store.get_room_events_stream(
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user_id=user.to_string(),
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from_key=from_token.events_key,
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to_key=to_key,
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room_id=None,
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limit=limit,
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)
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end_token = from_token.copy_and_replace("events_key", end_key)
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defer.returnValue((events, end_token))
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def get_current_token_part(self):
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return self.store.get_room_events_max_id()
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@defer.inlineCallbacks
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def get_pagination_rows(self, user, pagination_config, key):
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from_token = pagination_config.from_token
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to_token = pagination_config.to_token
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limit = pagination_config.limit
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direction = pagination_config.direction
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to_key = to_token.events_key if to_token else None
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events, next_key = yield self.store.paginate_room_events(
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room_id=key,
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from_key=from_token.events_key,
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to_key=to_key,
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direction=direction,
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limit=limit,
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with_feedback=True
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)
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next_token = from_token.copy_and_replace("events_key", next_key)
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defer.returnValue((events, next_token))
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@ -17,6 +17,9 @@ from twisted.internet import defer
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from synapse.types import StreamToken
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from synapse.handlers.presence import PresenceEventSource
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from synapse.handlers.room import RoomEventSource
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class NullSource(object):
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"""This event source never yields any events and its token remains at
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@ -34,136 +37,10 @@ class NullSource(object):
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return defer.succeed(([], pagination_config.from_token))
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class RoomEventSource(object):
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def __init__(self, hs):
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self.store = hs.get_datastore()
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@defer.inlineCallbacks
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def get_new_events_for_user(self, user, from_token, limit):
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# We just ignore the key for now.
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to_key = yield self.get_current_token_part()
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events, end_key = yield self.store.get_room_events_stream(
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user_id=user.to_string(),
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from_key=from_token.events_key,
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to_key=to_key,
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room_id=None,
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limit=limit,
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)
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end_token = from_token.copy_and_replace("events_key", end_key)
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defer.returnValue((events, end_token))
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def get_current_token_part(self):
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return self.store.get_room_events_max_id()
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@defer.inlineCallbacks
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def get_pagination_rows(self, user, pagination_config, key):
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from_token = pagination_config.from_token
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to_token = pagination_config.to_token
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limit = pagination_config.limit
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direction = pagination_config.direction
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to_key = to_token.events_key if to_token else None
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events, next_key = yield self.store.paginate_room_events(
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room_id=key,
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from_key=from_token.events_key,
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to_key=to_key,
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direction=direction,
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limit=limit,
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with_feedback=True
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)
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next_token = from_token.copy_and_replace("events_key", next_key)
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defer.returnValue((events, next_token))
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class PresenceSource(object):
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def __init__(self, hs):
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self.hs = hs
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self.clock = hs.get_clock()
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def get_new_events_for_user(self, user, from_token, limit):
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from_key = int(from_token.presence_key)
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presence = self.hs.get_handlers().presence_handler
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cachemap = presence._user_cachemap
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# TODO(paul): limit, and filter by visibility
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updates = [(k, cachemap[k]) for k in cachemap
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if from_key < cachemap[k].serial]
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if updates:
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clock = self.clock
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latest_serial = max([x[1].serial for x in updates])
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data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
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end_token = from_token.copy_and_replace(
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"presence_key", latest_serial
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)
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return ((data, end_token))
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else:
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end_token = from_token.copy_and_replace(
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"presence_key", presence._user_cachemap_latest_serial
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)
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return (([], end_token))
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def get_current_token_part(self):
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presence = self.hs.get_handlers().presence_handler
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return presence._user_cachemap_latest_serial
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def get_pagination_rows(self, user, pagination_config, key):
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# TODO (erikj): Does this make sense? Ordering?
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from_token = pagination_config.from_token
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to_token = pagination_config.to_token
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from_key = int(from_token.presence_key)
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if to_token:
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to_key = int(to_token.presence_key)
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else:
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to_key = -1
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presence = self.hs.get_handlers().presence_handler
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cachemap = presence._user_cachemap
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# TODO(paul): limit, and filter by visibility
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updates = [(k, cachemap[k]) for k in cachemap
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if to_key < cachemap[k].serial < from_key]
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if updates:
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clock = self.clock
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earliest_serial = max([x[1].serial for x in updates])
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data = [x[1].make_event(user=x[0], clock=clock) for x in updates]
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if to_token:
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next_token = to_token
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else:
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next_token = from_token
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next_token = next_token.copy_and_replace(
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"presence_key", earliest_serial
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)
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return ((data, next_token))
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else:
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if not to_token:
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to_token = from_token.copy_and_replace(
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"presence_key", 0
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)
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return (([], to_token))
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class EventSources(object):
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SOURCE_TYPES = {
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"room": RoomEventSource,
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"presence": PresenceSource,
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"presence": PresenceEventSource,
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}
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def __init__(self, hs):
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@ -229,7 +229,7 @@ class PresenceEventStreamTestCase(unittest.TestCase):
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# HIDEOUS HACKERY
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# TODO(paul): This should be injected in via the HomeServer DI system
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from synapse.streams.events import (
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PresenceSource, NullSource, EventSources
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PresenceEventSource, NullSource, EventSources
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)
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old_SOURCE_TYPES = EventSources.SOURCE_TYPES
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@ -240,7 +240,7 @@ class PresenceEventStreamTestCase(unittest.TestCase):
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EventSources.SOURCE_TYPES = {
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k: NullSource for k in old_SOURCE_TYPES.keys()
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}
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EventSources.SOURCE_TYPES["presence"] = PresenceSource
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EventSources.SOURCE_TYPES["presence"] = PresenceEventSource
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hs = HomeServer("test",
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db_pool=None,
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