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Correctly create power level event during initial room creation #14361
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reivilibre
suggested changes
Nov 4, 2022
changelog.d/14361.bugfix
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| Fix a bug introduced in #14228 where the power level event was incorrectly created during initial room creation. | |||
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was the bug ever released?
If so, cite the version number instead.
If not, probably just coalesce the changelogs.
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Yes, it was released in most recent rc. I've updated the changelog.
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Ah, is it serious enough to go into the release branch?
Actually it occurs to me that I don't understand what 'the power level event was incorrectly created' means — at first thought this sounds like the power levels event wasn't meant to be created, but surely that can't be right.
Iit would be best to note the user-visible bug if there is one. I honestly have lost track of this over the weekend so I'm afraid I can't remember enough to advise.
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There isn't an end-user facing bug afaict. From my understanding, the worst thing that could happen with this bug is the code could break unexpectedly if other changes were made to the surrounding code, so mostly fixing this is to a: prevent confusion in the future and b: set up the code for further changes (such as adding the membership event to the batch or batching up state groups).
| events_to_send = [] | ||
| # We treat the power levels override specially as this needs to be one | ||
| # of the first events that get sent into a room. | ||
| pl_content = initial_state.pop((EventTypes.PowerLevels, ""), None) | ||
| if pl_content is not None: | ||
| power_event, power_context = await create_event( | ||
| EventTypes.PowerLevels, pl_content, False | ||
| EventTypes.PowerLevels, pl_content, True |
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this bool seems to be for_batch, which doesn't have a docstring.
Would you mind adding a docstring on it? I would find it especially useful to know why it's needed and what the semantics are — from the name I'm guessing the usage is just True when you are creating an event to send in a batch, but the other parts are more interesting
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I've added a docstring, let me know if it makes more sense.
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makes sense, but maybe would benefit from an elaboration about what the difference is
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I've added some elaboration, hopefully it is clearer.
reivilibre
approved these changes
Nov 7, 2022
|
Merged #14361 into develop. |
bradtgmurray
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Nov 22, 2022
Synapse 1.72.0 (2022-11-22) =========================== Please note that Synapse now only supports PostgreSQL 11+, because PostgreSQL 10 has reached end-of-life, c.f. our [Deprecation Policy](https://github.com/matrix-org/synapse/blob/develop/docs/deprecation_policy.md). Bugfixes -------- - Update forgotten references to legacy metrics in the included Grafana dashboard. ([\matrix-org#14477](matrix-org#14477)) Synapse 1.72.0rc1 (2022-11-16) ============================== Features -------- - Add experimental support for [MSC3912](matrix-org/matrix-spec-proposals#3912): Relation-based redactions. ([\matrix-org#14260](matrix-org#14260)) - Build Debian packages for Ubuntu 22.10 (Kinetic Kudu). ([\matrix-org#14396](matrix-org#14396)) - Add an [Admin API](https://matrix-org.github.io/synapse/latest/usage/administration/admin_api/index.html) endpoint for user lookup based on third-party ID (3PID). Contributed by @ashfame. ([\matrix-org#14405](matrix-org#14405)) - Faster joins: include heroes' membership events in the partial join response, for rooms without a name or canonical alias. ([\matrix-org#14442](matrix-org#14442)) Bugfixes -------- - Faster joins: do not block creation of or queries for room aliases during the resync. ([\matrix-org#14292](matrix-org#14292)) - Fix a bug introduced in Synapse 1.64.0rc1 which could cause log spam when fetching events from other homeservers. ([\matrix-org#14347](matrix-org#14347)) - Fix a bug introduced in 1.66 which would not send certain pushrules to clients. Contributed by Nico. ([\matrix-org#14356](matrix-org#14356)) - Fix a bug introduced in v1.71.0rc1 where the power level event was incorrectly created during initial room creation. ([\matrix-org#14361](matrix-org#14361)) - Fix the refresh token endpoint to be under /r0 and /v3 instead of /v1. Contributed by Tulir @ Beeper. ([\matrix-org#14364](matrix-org#14364)) - Fix a long-standing bug where Synapse would raise an error when encountering an unrecognised field in a `/sync` filter, instead of ignoring it for forward compatibility. ([\matrix-org#14369](matrix-org#14369)) - Fix a background database update, introduced in Synapse 1.64.0, which could cause poor database performance. ([\matrix-org#14374](matrix-org#14374)) - Fix PostgreSQL sometimes using table scans for queries against the `event_search` table, taking a long time and a large amount of IO. ([\matrix-org#14409](matrix-org#14409)) - Fix rendering of some HTML templates (including emails). Introduced in v1.71.0. ([\matrix-org#14448](matrix-org#14448)) - Fix a bug introduced in Synapse 1.70.0 where the background updates to add non-thread unique indexes on receipts could fail when upgrading from 1.67.0 or earlier. ([\matrix-org#14453](matrix-org#14453)) Updates to the Docker image --------------------------- - Add all Stream Writer worker types to `configure_workers_and_start.py`. ([\matrix-org#14197](matrix-org#14197)) - Remove references to legacy worker types in the multi-worker Dockerfile. ([\matrix-org#14294](matrix-org#14294)) Improved Documentation ---------------------- - Upload documentation PRs to Netlify. ([\matrix-org#12947](matrix-org#12947), [\matrix-org#14370](matrix-org#14370)) - Add addtional TURN server configuration example based on [eturnal](https://github.com/processone/eturnal) and adjust general TURN server doc structure. ([\matrix-org#14293](matrix-org#14293)) - Add example on how to load balance /sync requests. Contributed by [aceArt](https://aceart.de). ([\matrix-org#14297](matrix-org#14297)) - Edit sample Nginx reverse proxy configuration to use HTTP/1.1. Contributed by Brad Jones. ([\matrix-org#14414](matrix-org#14414)) Deprecations and Removals ------------------------- - Remove support for PostgreSQL 10. ([\matrix-org#14392](matrix-org#14392), [\matrix-org#14397](matrix-org#14397)) Internal Changes ---------------- - Run unit tests against Python 3.11. ([\matrix-org#13812](matrix-org#13812)) - Add TLS support for generic worker endpoints. ([\matrix-org#14128](matrix-org#14128), [\matrix-org#14455](matrix-org#14455)) - Switch to a maintained action for installing Rust in CI. ([\matrix-org#14313](matrix-org#14313)) - Add override ability to `complement.sh` command line script to request certain types of workers. ([\matrix-org#14324](matrix-org#14324)) - Enabling testing of [MSC3874](matrix-org/matrix-spec-proposals#3874) (filtering of `/messages` by relation type) in complement. ([\matrix-org#14339](matrix-org#14339)) - Concisely log a failure to resolve state due to missing `prev_events`. ([\matrix-org#14346](matrix-org#14346)) - Use a maintained Github action to install Rust. ([\matrix-org#14351](matrix-org#14351)) - Cleanup old worker datastore classes. Contributed by Nick @ Beeper (@Fizzadar). ([\matrix-org#14375](matrix-org#14375)) - Test against PostgreSQL 15 in CI. ([\matrix-org#14394](matrix-org#14394)) - Remove unreachable code. ([\matrix-org#14410](matrix-org#14410)) - Clean-up event persistence code. ([\matrix-org#14411](matrix-org#14411)) - Update docstring to clarify that `get_partial_state_events_batch` does not just give you completely arbitrary partial-state events. ([\matrix-org#14417](matrix-org#14417)) - Fix mypy errors introduced by bumping the locked version of `attrs` and `gitpython`. ([\matrix-org#14433](matrix-org#14433)) - Make Dependabot only bump Rust deps in the lock file. ([\matrix-org#14434](matrix-org#14434)) - Fix an incorrect stub return type for `PushRuleEvaluator.run`. ([\matrix-org#14451](matrix-org#14451)) - Improve performance of `/context` in large rooms. ([\matrix-org#14461](matrix-org#14461))
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#14228 added the initial power level event to the batched events but the event was not created for batching. This fixes that.