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Use mypy 1.0 (#15052)

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* Update mypy and mypy-zope
* Remove unused ignores

These used to suppress

```
synapse/storage/engines/__init__.py:28: error: "__new__" must return a
class instance (got "NoReturn")  [misc]
```

and

```
synapse/http/matrixfederationclient.py:1270: error: "BaseException" has no attribute "reasons"  [attr-defined]
```

(note that we check `hasattr(e, "reasons")` above)

* Avoid empty body warnings, sometimes by marking methods as abstract

E.g.

```
tests/handlers/test_register.py:58: error: Missing return statement  [empty-body]
tests/handlers/test_register.py:108: error: Missing return statement  [empty-body]
```

* Suppress false positive about `JaegerConfig`

Complaint was

```
synapse/logging/opentracing.py:450: error: Function "Type[Config]" could always be true in boolean context  [truthy-function]
```

* Fix not calling `is_state()`

Oops!

```
tests/rest/client/test_third_party_rules.py:428: error: Function "Callable[[], bool]" could always be true in boolean context  [truthy-function]
```

* Suppress false positives from ParamSpecs

````
synapse/logging/opentracing.py:971: error: Argument 2 to "_custom_sync_async_decorator" has incompatible type "Callable[[Arg(Callable[P, R], 'func'), **P], _GeneratorContextManager[None]]"; expected "Callable[[Callable[P, R], **P], _GeneratorContextManager[None]]"  [arg-type]
synapse/logging/opentracing.py:1017: error: Argument 2 to "_custom_sync_async_decorator" has incompatible type "Callable[[Arg(Callable[P, R], 'func'), **P], _GeneratorContextManager[None]]"; expected "Callable[[Callable[P, R], **P], _GeneratorContextManager[None]]"  [arg-type]
````

* Drive-by improvement to `wrapping_logic` annotation

* Workaround false "unreachable" positives

See https://github.com/Shoobx/mypy-zope/issues/91

```
tests/http/test_proxyagent.py:626: error: Statement is unreachable  [unreachable]
tests/http/test_proxyagent.py:762: error: Statement is unreachable  [unreachable]
tests/http/test_proxyagent.py:826: error: Statement is unreachable  [unreachable]
tests/http/test_proxyagent.py:838: error: Statement is unreachable  [unreachable]
tests/http/test_proxyagent.py:845: error: Statement is unreachable  [unreachable]
tests/http/federation/test_matrix_federation_agent.py:151: error: Statement is unreachable  [unreachable]
tests/http/federation/test_matrix_federation_agent.py:452: error: Statement is unreachable  [unreachable]
tests/logging/test_remote_handler.py:60: error: Statement is unreachable  [unreachable]
tests/logging/test_remote_handler.py:93: error: Statement is unreachable  [unreachable]
tests/logging/test_remote_handler.py:127: error: Statement is unreachable  [unreachable]
tests/logging/test_remote_handler.py:152: error: Statement is unreachable  [unreachable]
```

* Changelog

* Tweak DBAPI2 Protocol to be accepted by mypy 1.0

Some extra context in:
- https://github.com/matrix-org/python-canonicaljson/pull/57
- https://github.com/python/mypy/issues/6002
- https://mypy.readthedocs.io/en/latest/common_issues.html#covariant-subtyping-of-mutable-protocol-members-is-rejected

* Pull in updated canonicaljson lib

so the protocol check just works

* Improve comments in opentracing

I tried to workaround the ignores but found it too much trouble.

I think the corresponding issue is
https://github.com/python/mypy/issues/12909. The mypy repo has a PR
claiming to fix this (https://github.com/python/mypy/pull/14677) which
might mean this gets resolved soon?

* Better annotation for INTERACTIVE_AUTH_CHECKERS

* Drive-by AUTH_TYPE annotation, to remove an ignore
This commit is contained in:
David Robertson 2023-02-16 16:09:11 +00:00 • committed by GitHub
parent 979f237b28
commit ffc2ee521d
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17 changed files with 209 additions and 104 deletions
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17
tests/logging/test_remote_handler.py
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@ -21,6 +21,7 @@ from synapse.logging import RemoteHandler
from tests.logging import LoggerCleanupMixin
from tests.server import FakeTransport, get_clock
from tests.unittest import TestCase
from tests.utils import checked_cast
def connect_logging_client(
@ -56,8 +57,8 @@ class RemoteHandlerTestCase(LoggerCleanupMixin, TestCase):
client, server = connect_logging_client(self.reactor, 0)
# Trigger data being sent
assert isinstance(client.transport, FakeTransport)
client.transport.flush()
client_transport = checked_cast(FakeTransport, client.transport)
client_transport.flush()
# One log message, with a single trailing newline
logs = server.data.decode("utf8").splitlines()
@ -89,8 +90,8 @@ class RemoteHandlerTestCase(LoggerCleanupMixin, TestCase):
# Allow the reconnection
client, server = connect_logging_client(self.reactor, 0)
assert isinstance(client.transport, FakeTransport)
client.transport.flush()
client_transport = checked_cast(FakeTransport, client.transport)
client_transport.flush()
# Only the 7 infos made it through, the debugs were elided
logs = server.data.splitlines()
@ -123,8 +124,8 @@ class RemoteHandlerTestCase(LoggerCleanupMixin, TestCase):
# Allow the reconnection
client, server = connect_logging_client(self.reactor, 0)
assert isinstance(client.transport, FakeTransport)
client.transport.flush()
client_transport = checked_cast(FakeTransport, client.transport)
client_transport.flush()
# The 10 warnings made it through, the debugs and infos were elided
logs = server.data.splitlines()
@ -148,8 +149,8 @@ class RemoteHandlerTestCase(LoggerCleanupMixin, TestCase):
# Allow the reconnection
client, server = connect_logging_client(self.reactor, 0)
assert isinstance(client.transport, FakeTransport)
client.transport.flush()
client_transport = checked_cast(FakeTransport, client.transport)
client_transport.flush()
# The first five and last five warnings made it through, the debugs and
# infos were elided