From ab9c1e8f3951dcdb9d628b7ed155de543c046c44 Mon Sep 17 00:00:00 2001 From: Patrick Cloke Date: Wed, 4 Oct 2023 13:53:04 -0400 Subject: [PATCH] Add type hints to synmark. (#16421) --- changelog.d/16421.misc | 1 + mypy.ini | 4 ++ synmark/__init__.py | 9 +++-- synmark/__main__.py | 48 ++++++++++++++-------- synmark/suites/logging.py | 68 ++++++++++++++++++++------------ synmark/suites/lrucache.py | 5 ++- synmark/suites/lrucache_evict.py | 5 ++- 7 files changed, 91 insertions(+), 49 deletions(-) create mode 100644 changelog.d/16421.misc diff --git a/changelog.d/16421.misc b/changelog.d/16421.misc new file mode 100644 index 0000000000..93ceaeafc9 --- /dev/null +++ b/changelog.d/16421.misc @@ -0,0 +1 @@ +Improve type hints. diff --git a/mypy.ini b/mypy.ini index 88aea301b9..fdfe9432fc 100644 --- a/mypy.ini +++ b/mypy.ini @@ -32,6 +32,7 @@ files = docker/, scripts-dev/, synapse/, + synmark/, tests/, build_rust.py @@ -80,6 +81,9 @@ ignore_missing_imports = True [mypy-pympler.*] ignore_missing_imports = True +[mypy-pyperf.*] +ignore_missing_imports = True + [mypy-rust_python_jaeger_reporter.*] ignore_missing_imports = True diff --git a/synmark/__init__.py b/synmark/__init__.py index 2cc00b0f03..f213319542 100644 --- a/synmark/__init__.py +++ b/synmark/__init__.py @@ -13,15 +13,18 @@ # limitations under the License. import sys +from typing import cast + +from synapse.types import ISynapseReactor try: from twisted.internet.epollreactor import EPollReactor as Reactor except ImportError: - from twisted.internet.pollreactor import PollReactor as Reactor + from twisted.internet.pollreactor import PollReactor as Reactor # type: ignore[assignment] from twisted.internet.main import installReactor -def make_reactor(): +def make_reactor() -> ISynapseReactor: """ Instantiate and install a Twisted reactor suitable for testing (i.e. not the default global one). @@ -32,4 +35,4 @@ def make_reactor(): del sys.modules["twisted.internet.reactor"] installReactor(reactor) - return reactor + return cast(ISynapseReactor, reactor) diff --git a/synmark/__main__.py b/synmark/__main__.py index 19de639187..397dd86576 100644 --- a/synmark/__main__.py +++ b/synmark/__main__.py @@ -12,9 +12,10 @@ # See the License for the specific language governing permissions and # limitations under the License. import sys -from argparse import REMAINDER +from argparse import REMAINDER, Namespace from contextlib import redirect_stderr from io import StringIO +from typing import Any, Callable, Coroutine, List, TypeVar import pyperf @@ -22,44 +23,50 @@ from twisted.internet.defer import Deferred, ensureDeferred from twisted.logger import globalLogBeginner, textFileLogObserver from twisted.python.failure import Failure +from synapse.types import ISynapseReactor from synmark import make_reactor from synmark.suites import SUITES from tests.utils import setupdb +T = TypeVar("T") -def make_test(main): + +def make_test( + main: Callable[[ISynapseReactor, int], Coroutine[Any, Any, float]] +) -> Callable[[int], float]: """ Take a benchmark function and wrap it in a reactor start and stop. """ - def _main(loops): + def _main(loops: int) -> float: reactor = make_reactor() file_out = StringIO() with redirect_stderr(file_out): - d = Deferred() + d: "Deferred[float]" = Deferred() d.addCallback(lambda _: ensureDeferred(main(reactor, loops))) - def on_done(_): - if isinstance(_, Failure): - _.printTraceback() + def on_done(res: T) -> T: + if isinstance(res, Failure): + res.printTraceback() print(file_out.getvalue()) reactor.stop() - return _ + return res d.addBoth(on_done) reactor.callWhenRunning(lambda: d.callback(True)) reactor.run() - return d.result + # mypy thinks this is an object for some reason. + return d.result # type: ignore[return-value] return _main if __name__ == "__main__": - def add_cmdline_args(cmd, args): + def add_cmdline_args(cmd: List[str], args: Namespace) -> None: if args.log: cmd.extend(["--log"]) cmd.extend(args.tests) @@ -82,17 +89,26 @@ if __name__ == "__main__": setupdb() if runner.args.tests: - SUITES = list( - filter(lambda x: x[0].__name__.split(".")[-1] in runner.args.tests, SUITES) - ) + existing_suites = {s.__name__.split(".")[-1] for s, _ in SUITES} + for test in runner.args.tests: + if test not in existing_suites: + print(f"Test suite {test} does not exist.") + exit(-1) - for suite, loops in SUITES: + suites = list( + filter(lambda t: t[0].__name__.split(".")[-1] in runner.args.tests, SUITES) + ) + else: + suites = SUITES + + for suite, loops in suites: if loops: runner.args.loops = loops + loops_desc = str(loops) else: runner.args.loops = orig_loops - loops = "auto" + loops_desc = "auto" runner.bench_time_func( - suite.__name__ + "_" + str(loops), + suite.__name__ + "_" + loops_desc, make_test(suite.main), ) diff --git a/synmark/suites/logging.py b/synmark/suites/logging.py index 04e5b29dc9..e160443643 100644 --- a/synmark/suites/logging.py +++ b/synmark/suites/logging.py @@ -11,14 +11,16 @@ # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. - import logging +import logging.config import warnings from io import StringIO +from typing import Optional from unittest.mock import Mock from pyperf import perf_counter +from twisted.internet.address import IPv4Address, IPv6Address from twisted.internet.defer import Deferred from twisted.internet.protocol import ServerFactory from twisted.logger import LogBeginner, LogPublisher @@ -26,45 +28,53 @@ from twisted.protocols.basic import LineOnlyReceiver from synapse.config.logger import _setup_stdlib_logging from synapse.logging import RemoteHandler +from synapse.synapse_rust import reset_logging_config +from synapse.types import ISynapseReactor from synapse.util import Clock class LineCounter(LineOnlyReceiver): delimiter = b"\n" + count = 0 - def __init__(self, *args, **kwargs): - self.count = 0 - super().__init__(*args, **kwargs) - - def lineReceived(self, line): + def lineReceived(self, line: bytes) -> None: self.count += 1 + assert isinstance(self.factory, Factory) + if self.count >= self.factory.wait_for and self.factory.on_done: on_done = self.factory.on_done self.factory.on_done = None on_done.callback(True) -async def main(reactor, loops): +class Factory(ServerFactory): + protocol = LineCounter + wait_for: int + on_done: Optional[Deferred] + + +async def main(reactor: ISynapseReactor, loops: int) -> float: """ Benchmark how long it takes to send `loops` messages. """ - servers = [] - def protocol(): - p = LineCounter() - servers.append(p) - return p - - logger_factory = ServerFactory.forProtocol(protocol) + logger_factory = Factory() logger_factory.wait_for = loops logger_factory.on_done = Deferred() - port = reactor.listenTCP(0, logger_factory, interface="127.0.0.1") + port = reactor.listenTCP(0, logger_factory, backlog=50, interface="127.0.0.1") # A fake homeserver config. class Config: - server_name = "synmark-" + str(loops) - no_redirect_stdio = True + class server: + server_name = "synmark-" + str(loops) + + # This odd construct is to avoid mypy thinking that logging escapes the + # scope of Config. + class _logging: + no_redirect_stdio = True + + logging = _logging hs_config = Config() @@ -78,28 +88,34 @@ async def main(reactor, loops): publisher, errors, mock_sys, warnings, initialBufferSize=loops ) + address = port.getHost() + assert isinstance(address, (IPv4Address, IPv6Address)) log_config = { "version": 1, - "loggers": {"synapse": {"level": "DEBUG", "handlers": ["tersejson"]}}, + "loggers": {"synapse": {"level": "DEBUG", "handlers": ["remote"]}}, "formatters": {"tersejson": {"class": "synapse.logging.TerseJsonFormatter"}}, "handlers": { - "tersejson": { + "remote": { "class": "synapse.logging.RemoteHandler", - "host": "127.0.0.1", - "port": port.getHost().port, + "formatter": "tersejson", + "host": address.host, + "port": address.port, "maximum_buffer": 100, - "_reactor": reactor, } }, } - logger = logging.getLogger("synapse.logging.test_terse_json") + logger = logging.getLogger("synapse") _setup_stdlib_logging( - hs_config, - log_config, + hs_config, # type: ignore[arg-type] + None, logBeginner=beginner, ) + # Force a new logging config without having to load it from a file. + logging.config.dictConfig(log_config) + reset_logging_config() + # Wait for it to connect... for handler in logging.getLogger("synapse").handlers: if isinstance(handler, RemoteHandler): @@ -107,7 +123,7 @@ async def main(reactor, loops): else: raise RuntimeError("Improperly configured: no RemoteHandler found.") - await handler._service.whenConnected() + await handler._service.whenConnected(failAfterFailures=10) start = perf_counter() diff --git a/synmark/suites/lrucache.py b/synmark/suites/lrucache.py index 9b4a424149..cfa0163c62 100644 --- a/synmark/suites/lrucache.py +++ b/synmark/suites/lrucache.py @@ -14,14 +14,15 @@ from pyperf import perf_counter +from synapse.types import ISynapseReactor from synapse.util.caches.lrucache import LruCache -async def main(reactor, loops): +async def main(reactor: ISynapseReactor, loops: int) -> float: """ Benchmark `loops` number of insertions into LruCache without eviction. """ - cache = LruCache(loops) + cache: LruCache[int, bool] = LruCache(loops) start = perf_counter() diff --git a/synmark/suites/lrucache_evict.py b/synmark/suites/lrucache_evict.py index 0ee202ed36..02238c2627 100644 --- a/synmark/suites/lrucache_evict.py +++ b/synmark/suites/lrucache_evict.py @@ -14,15 +14,16 @@ from pyperf import perf_counter +from synapse.types import ISynapseReactor from synapse.util.caches.lrucache import LruCache -async def main(reactor, loops): +async def main(reactor: ISynapseReactor, loops: int) -> float: """ Benchmark `loops` number of insertions into LruCache where half of them are evicted. """ - cache = LruCache(loops // 2) + cache: LruCache[int, bool] = LruCache(loops // 2) start = perf_counter()