synapse/changelog.d/14945.misc at 041eab647dbefb21cbabf40fbba2c61cdce8ebfd - MirrorHub/synapse - tilera Git

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David Robertson 796a4b7482

Prefer type(x) is int to isinstance(x, int) (#14945 )

* Perfer `type(x) is int` to `isinstance(x, int)`

This covered all additional instances I could see where `x` was
user-controlled.
The remaining cases are

```
$ rg -s 'isinstance.*[^_]int'
tests/replication/_base.py
576:        if isinstance(obj, int):

synapse/util/caches/stream_change_cache.py
136:        assert isinstance(stream_pos, int)
214:        assert isinstance(stream_pos, int)
246:        assert isinstance(stream_pos, int)
267:        assert isinstance(stream_pos, int)

synapse/replication/tcp/external_cache.py
133:        if isinstance(result, int):

synapse/metrics/__init__.py
100:        if isinstance(calls, (int, float)):

synapse/handlers/appservice.py
262:        assert isinstance(new_token, int)

synapse/config/_util.py
62:        if isinstance(p, int):
```

which cover metrics, logic related to `jsonschema`, and replication and
data streams. AFAICS these are all internal to Synapse

* Changelog

2023-01-31 10:33:07 +00:00

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Fix various long-standing bugs in Synapse's config, event and request handling where booleans were unintentionally accepted where an integer was expected.