Add official support for Python 3.12 (#587)

* Add official support for Python 3.12

* commit remaining lint changes

.github/workflows/python-package.yml

@@ -12,7 +12,7 @@ env:
   FORCE_COLOR: '1'  # Make tools pretty.
   PIP_DISABLE_PIP_VERSION_CHECK: '1'
   PIP_NO_PYTHON_VERSION_WARNING: '1'
-  PYTHON_LATEST: '3.11'
+  PYTHON_LATEST: '3.12'
 
   # For re-actors/checkout-python-sdist
   sdist-artifact: python-package-distributions
@@ -45,16 +45,13 @@ jobs:
       # for example if a test fails only when Cython is enabled
       fail-fast: false
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         use-cython: ['true', 'false']
         experimental: [false]
         include:
           - python-version: 'pypy3.9'
             use-cython: false
             experimental: true
-          - python-version: ~3.12.0-0
-            experimental: true
-            use-cython: false
           - python-version: ~3.13.0-0
             experimental: true
             use-cython: false

faust/agents/agent.py

@@ -509,7 +509,7 @@ def _prepare_channel(
                 has_prefix=has_prefix,
                 **kwargs,
             )
-        raise TypeError(f"Channel must be channel, topic, or str; not {type(channel)}")
+        raise TypeError(f"Channel must be channel, topic, or str, not {type(channel)}")
 
     def __call__(
         self,

faust/cli/model.py

@@ -58,7 +58,7 @@ def _unknown_model(
         alt = text.didyoumean(
             registry,
             lookup,
-            fmt_none=f"Please run `{self.prog_name} models` for a list.",
+            fmt_none=f'Please run "{self.prog_name} models" for a list.',
         )
         return click.UsageError(f"No model {name!r}. {alt}")
 

faust/sensors/datadog.py

@@ -146,7 +146,7 @@ def __init__(
         self.rate = rate
         if datadog is None:
             raise ImproperlyConfigured(
-                f"{type(self).__name__} requires `pip install datadog`."
+                f'{type(self).__name__} requires "pip install datadog".'
             )
         super().__init__(**kwargs)
 

faust/transport/producer.py

@@ -91,7 +91,7 @@ async def wait_until_ebb(self) -> None:
             start_time = time.time()
             await self.flush_atmost(self.max_messages)
             end_time = time.time()
-            logger.info(f"producer flush took {end_time-start_time}")
+            logger.info(f"producer flush took {end_time - start_time}")
 
     @Service.task
     async def _handle_pending(self) -> None:

pyproject.toml

@@ -30,6 +30,7 @@ classifiers = [
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
+    "Programming Language :: Python :: 3.12",
     "Programming Language :: Python :: Implementation :: CPython",
     "Operating System :: POSIX",
     "Operating System :: POSIX :: Linux",
@@ -75,6 +76,8 @@ build-backend = "setuptools.build_meta"
 ignore = [
     "W503",
     "E203",
+    "E231",
+    "E225",
     "B305",
 ]
 max-line-length = 88

setup.cfg

@@ -1,5 +1,5 @@
 [flake8]
-ignore = W503, E203, B305
+ignore = W503, E203, E231, E225, B305
 max-line-length = 88
 
 [mypy-tests.*]

tests/unit/agents/test_replies.py

@@ -86,7 +86,7 @@ async def test_parallel_iterate(self):
 
         if pending:
             raise Exception(
-                f"Test did not return in 5s:\n"
+                f"Test did not return within 5s:\n"
                 f"  DONE_TASKS={done}\n"
                 f"  PENDING_TASKS={pending}\n"
                 f"  size={p.size}\n"

tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = 3.11,3.10,3.9,3.8,flake8,apicheck,configcheck,typecheck,docstyle,bandit,spell
+envlist = 3.12,3.11,3.10,3.9,3.8,flake8,apicheck,configcheck,typecheck,docstyle,bandit,spell
 
 [testenv]
 deps=
@@ -17,6 +17,7 @@ recreate = False
 commands = py.test --random-order --open-files -xvv --cov=faust tests/unit tests/functional tests/integration tests/meticulous/ tests/regression
 
 basepython =
+    3.12,flake8,apicheck,linkcheck,configcheck,typecheck,docstyle,bandit,spell: python3.12
     3.11,flake8,apicheck,linkcheck,configcheck,typecheck,docstyle,bandit,spell: python3.11
     3.10,flake8,apicheck,linkcheck,configcheck,typecheck,docstyle,bandit,spell: python3.10
     3.9,flake8,apicheck,linkcheck,configcheck,typecheck,docstyle,bandit,spell: python3.9