diff options
Diffstat (limited to 'synapse/handlers/room.py')
| -rw-r--r-- | synapse/handlers/room.py | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/synapse/handlers/room.py b/synapse/handlers/room.py index 4f489762fc..9cab2adbfb 100644 --- a/synapse/handlers/room.py +++ b/synapse/handlers/room.py @@ -16,7 +16,7 @@ # limitations under the License. """Contains functions for performing events on rooms.""" -import copy + import itertools import logging import math @@ -368,13 +368,16 @@ class RoomCreationHandler(BaseHandler): # Raise the requester's power level in the new room if necessary current_power_level = power_levels["users"][user_id] if current_power_level < needed_power_level: - # Perform a deepcopy in order to not modify the original power levels in a - # room, as its contents are preserved as the state for the old room later on - new_power_levels = copy.deepcopy(power_levels) - initial_state[(EventTypes.PowerLevels, "")] = new_power_levels + # make sure we copy the event content rather than overwriting it. + # note that if frozen_dicts are enabled, `power_levels` will be a frozen + # dict so we can't just copy.deepcopy it. - # Assign this power level to the requester + new_power_levels = {k: v for k, v in power_levels.items() if k != "users"} + new_power_levels["users"] = { + k: v for k, v in power_levels.get("users", {}).items() if k != user_id + } new_power_levels["users"][user_id] = needed_power_level + initial_state[(EventTypes.PowerLevels, "")] = new_power_levels yield self._send_events_for_new_room( requester, |