twisted.python.filepath.FilePath and related classes (twisted.python.filepath.IFilepath, twisted.python.filepath.AbstractFilePath, twisted.python.zippath.ZipPath, and twisted.python.zippath.ZipArchive) now have type annotations. Additionally, FilePath is now generic, describing its mode, so you can annotate variables as FilePath[str] or FilePath[bytes] depending on the types that you wish to get back from the 'path' attribute and related methods like 'basename'. (#11822)
When using CPython, functions wrapped by twisted.internet.defer.inlineCallbacks can have their arguments and return values freed immediately after completion (due to there no longer being circular references). (#11885)
Bugfixes
Fix TypeError on t.i.cfreactor due to 3.10 type annotation syntax (#11965)
Fix the type annotations of DeferredLock.run, DeferredSemaphore.run, maybeDeferred, ensureDeferred, inlineCallbacks and fromCoroutine that used to return Deferred[Any] to return the result of the passed Coroutine/Coroutine function (#11985)
Fixed significant performance overhead (CPU and bandwidth) when doing small writes to a TLS transport. Specifically, small writes to a TLS transport are now buffered until the next reactor iteration. (#11989)
This is the last release with support for Python 3.7.
No changes since 23.8.0.rc1.
Features
reactor.spawnProcess() now uses posix_spawnp when possible, making it much more efficient (#5710)
Twisted now officially supports Python 3.11. (#10343)
twisted.internet.defer.Deferred.fromFuture now has a more precise type annotation. (#11753)
twisted.internet.defer._ConcurrencyPrimitive.aexit now has a more precise type annotation. (#11795)
twisted.internet.defer.race has been added as a way to get the first available result from a list of Deferreds. (#11817)
The CI suite was updated to execute the tests using a Python 3.12 pre-release (#11857)
Bugfixes
twisted.conch.scripts.ckeygen now substitutes a default of "~/.ssh/id_rsa" if no keyfile is specified. (#6607)
Correct type hints for IHostnameResolver.resolveHostName and IResolverSimple.getHostByName. (#10276)
twist conch --auth=sshkey can now authenticate users without a traceback again, thanks to twisted.conch.unix.UnixConchUser no longer being incorrectly instantiated with bytes. In the course of this fix, some type hinting has also been applied to twisted.cred.portal. (#11626)
twisted.internet.gireactor now works with Gtk4, and is tested and supported in CI again. (#11705)
When interrupted with control-C, trial -j no longer obscures tracebacks for
any errors caused by that interruption with an UnboundLocalError due to a bug
in its own implementation. Note that there are still several internal
tracebacks that will be emitted upon exiting, because tearing down the test
runner mid-suite is still not an entirely clean operation, but it should at
least be possible to see errors reported from, for example, a test that is
hanging more clearly. (#11707)
PortableGIReactor and PortableGtkReactor are no longer necessary and are now aliases of GIReactor and Gtk2Reactor respectively, improving the performance of any applications using them. (#11738)
The Twisted package dependencies were updated to minimum versions that
will work with latest Twisted codebase. (#11740)
Deferred's type annotations have been made more comprehensive, precise, correct, and strict. You may notice new type errors in your applications; be sure to check on those because they may represent real type errors! (#11772)
To prevent parsing errors and ensure validity when serializing HTML comments, twisted.web.template.flattenString has been updated to escape the --> sequence within comments. (#11804)
BadZipfile (with a small f) has been deprecated since Python 3.2,
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Bumps twisted from 16.7.0rc2 to 23.10.0rc1.
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