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Typecheck tests.rest.media.v1.test_media_storage #15008

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Typecheck tests.rest.media.v1.test_media_storage #15008

merged 5 commits into from
Feb 7, 2023

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DMRobertson
DMRobertson commented Feb 7, 2023
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tests/rest/media/v1/test_media_storage.py Outdated
Comment on lines 229 to 245
d = Deferred()
d.addCallback(write_to)
d: Deferred[Tuple[bytes, Tuple[int, Dict[bytes, List[bytes]]]]] = Deferred()
# Callbacks can _change_ the value held within a resolved Deferred(!!).
# The return type of addCallback reflects this...
d_after_callback = d.addCallback(write_to)
# ... even though d.addCallback returns d!
assert d_after_callback is d # type: ignore[comparison-overlap]
self.fetches.append((d, destination, path, args))
return make_deferred_yieldable(d)
return make_deferred_yieldable(d_after_callback)
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This was a huge surprise to me and feels like a footgun waiting to happen. Or am I overreacting?

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Callbacks chain, this is a fundamental part of Twisted and is well documented.

https://docs.twistedmatrix.com/en/stable/core/howto/defer.html#visual-explanation is the best resource I know of which explains this.

@DMRobertson DMRobertson marked this pull request as ready for review February 7, 2023 02:02
@DMRobertson DMRobertson requested a review from a team as a code owner February 7, 2023 02:02
@DMRobertson DMRobertson enabled auto-merge (squash) February 7, 2023 13:35
@DMRobertson DMRobertson mentioned this pull request Feb 7, 2023
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@DMRobertson DMRobertson disabled auto-merge February 7, 2023 15:24
@DMRobertson DMRobertson merged commit 2dff930 into develop Feb 7, 2023
@DMRobertson DMRobertson deleted the dmr/typing/tests.rest.media branch February 7, 2023 15:24
clokep pushed a commit that referenced this pull request Feb 7, 2023
@clokep
Typecheck tests.rest.media.v1.test_media_storage (#15008)
2e248f9 
* Fix MediaStorage type hint

* Typecheck tests.rest.media.v1.test_media_storage

* Changelog

* Remove assert and make the comment succinct

* Fix syntax for olddeps
netbsd-srcmastr pushed a commit to NetBSD/pkgsrc that referenced this pull request Mar 5, 2023
@Midar
Update chat/matrix-synapse to 1.78.0
4fc59f4 
Synapse 1.78.0 (2023-02-28)
===========================

Bugfixes
--------

- Fix a bug introduced in Synapse 1.76 where 5s delays would occasionally occur in deployments using workers. ([\#15150](matrix-org/synapse#15150))


Synapse 1.78.0rc1 (2023-02-21)
==============================

Features
--------

- Implement the experimental `exact_event_match` push rule condition from [MSC3758](matrix-org/matrix-spec-proposals#3758). ([\#14964](matrix-org/synapse#14964))
- Add account data to the command line [user data export tool](https://matrix-org.github.io/synapse/v1.78/usage/administration/admin_faq.html#how-can-i-export-user-data). ([\#14969](matrix-org/synapse#14969))
- Implement [MSC3873](matrix-org/matrix-spec-proposals#3873) to disambiguate push rule keys with dots in them. ([\#15004](matrix-org/synapse#15004))
- Allow Synapse to use a specific Redis [logical database](https://redis.io/commands/select/) in worker-mode deployments. ([\#15034](matrix-org/synapse#15034))
- Tag opentracing spans for federation requests with the name of the worker serving the request. ([\#15042](matrix-org/synapse#15042))
- Implement the experimental `exact_event_property_contains` push rule condition from [MSC3966](matrix-org/matrix-spec-proposals#3966). ([\#15045](matrix-org/synapse#15045))
- Remove spurious `dont_notify` action from the defaults for the `.m.rule.reaction` pushrule. ([\#15073](matrix-org/synapse#15073))
- Update the error code returned when user sends a duplicate annotation. ([\#15075](matrix-org/synapse#15075))


Bugfixes
--------

- Prevent clients from reporting nonexistent events. ([\#13779](matrix-org/synapse#13779))
- Return spec-compliant JSON errors when unknown endpoints are requested. ([\#14605](matrix-org/synapse#14605))
- Fix a long-standing bug where the room aliases returned could be corrupted. ([\#15038](matrix-org/synapse#15038))
- Fix a bug introduced in Synapse 1.76.0 where partially-joined rooms could not be deleted using the [purge room API](https://matrix-org.github.io/synapse/latest/admin_api/rooms.html#delete-room-api). ([\#15068](matrix-org/synapse#15068))
- Fix a long-standing bug where federated joins would fail if the first server in the list of servers to try is not in the room. ([\#15074](matrix-org/synapse#15074))
- Fix a bug introduced in Synapse v1.74.0 where searching with colons when using ICU for search term tokenisation would fail with an error. ([\#15079](matrix-org/synapse#15079))
- Reduce the likelihood of a rare race condition where rejoining a restricted room over federation would fail. ([\#15080](matrix-org/synapse#15080))
- Fix a bug introduced in Synapse 1.76 where workers would fail to start if the `health` listener was configured. ([\#15096](matrix-org/synapse#15096))
- Fix a bug introduced in Synapse 1.75 where the [portdb script](https://matrix-org.github.io/synapse/release-v1.78/postgres.html#porting-from-sqlite) would fail to run after a room had been faster-joined. ([\#15108](matrix-org/synapse#15108))


Improved Documentation
----------------------

- Document how to start Synapse with Poetry. Contributed by @thezaidbintariq. ([\#14892](matrix-org/synapse#14892), [\#15022](matrix-org/synapse#15022))
- Update delegation documentation to clarify that SRV DNS delegation does not eliminate all needs to serve files from .well-known locations. Contributed by @williamkray. ([\#14959](matrix-org/synapse#14959))
- Fix a mistake in registration_shared_secret_path docs. ([\#15078](matrix-org/synapse#15078))
- Refer to a more recent blog post on the [Database Maintenance Tools](https://matrix-org.github.io/synapse/latest/usage/administration/database_maintenance_tools.html) page. Contributed by @jahway603. ([\#15083](matrix-org/synapse#15083))


Internal Changes
----------------

- Re-type hint some collections as read-only. ([\#13755](matrix-org/synapse#13755))
- Faster joins: don't stall when another user joins during a partial-state room resync. ([\#14606](matrix-org/synapse#14606))
- Add a class `UnpersistedEventContext` to allow for the batching up of storing state groups. ([\#14675](matrix-org/synapse#14675))
- Add a check to ensure that locked dependencies have source distributions available. ([\#14742](matrix-org/synapse#14742))
- Tweak comment on `_is_local_room_accessible` as part of room visibility in `/hierarchy` to clarify the condition for a room being visible. ([\#14834](matrix-org/synapse#14834))
- Prevent `WARNING: there is already a transaction in progress` lines appearing in PostgreSQL's logs on some occasions. ([\#14840](matrix-org/synapse#14840))
- Use `StrCollection` to avoid potential bugs with `Collection[str]`. ([\#14929](matrix-org/synapse#14929))
- Improve performance of `/sync` in a few situations. ([\#14973](matrix-org/synapse#14973))
- Limit concurrent event creation for a room to avoid state resolution when sending bursts of events to a local room. ([\#14977](matrix-org/synapse#14977))
- Skip calculating unread push actions in /sync when enable_push is false. ([\#14980](matrix-org/synapse#14980))
- Add a schema dump symlinks inside `contrib`, to make it easier for IDEs to interrogate Synapse's database schema. ([\#14982](matrix-org/synapse#14982))
- Improve type hints. ([\#15008](matrix-org/synapse#15008), [\#15026](matrix-org/synapse#15026), [\#15027](matrix-org/synapse#15027), [\#15028](matrix-org/synapse#15028), [\#15031](matrix-org/synapse#15031), [\#15035](matrix-org/synapse#15035), [\#15052](matrix-org/synapse#15052), [\#15072](matrix-org/synapse#15072), [\#15084](matrix-org/synapse#15084))
- Update [MSC3952](matrix-org/matrix-spec-proposals#3952) support based on changes to the MSC. ([\#15037](matrix-org/synapse#15037))
- Avoid mutating a cached value in `get_user_devices_from_cache`. ([\#15040](matrix-org/synapse#15040))
- Fix a rare exception in logs on start up. ([\#15041](matrix-org/synapse#15041))
- Update pyo3-log to v0.8.1. ([\#15043](matrix-org/synapse#15043))
- Avoid mutating cached values in `_generate_sync_entry_for_account_data`. ([\#15047](matrix-org/synapse#15047))
- Refactor arguments of `try_unbind_threepid` and `_try_unbind_threepid_with_id_server` to not use dictionaries. ([\#15053](matrix-org/synapse#15053))
- Merge debug logging from the hotfixes branch. ([\#15054](matrix-org/synapse#15054))
- Faster joins: omit device list updates originating from partial state rooms in /sync responses without lazy loading of members enabled. ([\#15069](matrix-org/synapse#15069))
- Fix clashing database transaction name. ([\#15070](matrix-org/synapse#15070))
- Upper-bound frozendict dependency. This works around us being unable to test installing our wheels against Python 3.11 in CI. ([\#15114](matrix-org/synapse#15114))
- Tweak logging for when a worker waits for its view of a replication stream to catch up. ([\#15120](matrix-org/synapse#15120))

<details><summary>Locked dependency updates</summary>

- Bump bleach from 5.0.1 to 6.0.0. ([\#15059](matrix-org/synapse#15059))
- Bump cryptography from 38.0.4 to 39.0.1. ([\#15020](matrix-org/synapse#15020))
- Bump ruff version from 0.0.230 to 0.0.237. ([\#15033](matrix-org/synapse#15033))
- Bump dtolnay/rust-toolchain from 9cd00a88a73addc8617065438eff914dd08d0955 to 25dc93b901a87e864900a8aec6c12e9aa794c0c3. ([\#15060](matrix-org/synapse#15060))
- Bump systemd-python from 234 to 235. ([\#15061](matrix-org/synapse#15061))
- Bump serde_json from 1.0.92 to 1.0.93. ([\#15062](matrix-org/synapse#15062))
- Bump types-requests from 2.28.11.8 to 2.28.11.12. ([\#15063](matrix-org/synapse#15063))
- Bump types-pillow from 9.4.0.5 to 9.4.0.10. ([\#15064](matrix-org/synapse#15064))
- Bump sentry-sdk from 1.13.0 to 1.15.0. ([\#15065](matrix-org/synapse#15065))
- Bump types-jsonschema from 4.17.0.3 to 4.17.0.5. ([\#15099](matrix-org/synapse#15099))
- Bump types-bleach from 5.0.3.1 to 6.0.0.0. ([\#15100](matrix-org/synapse#15100))
- Bump dtolnay/rust-toolchain from 25dc93b901a87e864900a8aec6c12e9aa794c0c3 to e12eda571dc9a5ee5d58eecf4738ec291c66f295. ([\#15101](matrix-org/synapse#15101))
- Bump dawidd6/action-download-artifact from 2.24.3 to 2.25.0. ([\#15102](matrix-org/synapse#15102))
- Bump types-pillow from 9.4.0.10 to 9.4.0.13. ([\#15104](matrix-org/synapse#15104))
- Bump types-setuptools from 67.1.0.0 to 67.3.0.1. ([\#15105](matrix-org/synapse#15105))


</details>
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