Add support for CPython 3.12

.github/workflows/build.yml

@@ -23,7 +23,7 @@ jobs:
           architecture: x64
       - id: set-matrix
         env:
-          PY_VERSIONS: "[\"3.7\", \"3.8\", \"3.9\", \"3.10\", \"3.11\", \"pypy-3.8-v7.3.11\", \"pypy-3.9-v7.3.11\"]"
+          PY_VERSIONS: "[\"3.7\", \"3.8\", \"3.9\", \"3.10\", \"3.11\", \"3.12\", \"pypy-3.8\", \"pypy-3.9\"]"
           OS_NAMES: "[\"ubuntu-20.04\"]"  #, windows-latest, macOS-latest]
           CELERY_VERSIONS: "[\">=4.0.0,<5.0.0\", \">=5.0.0,<6.0.0\"]"
         run: |

.github/workflows/resolve_versions.py

@@ -131,7 +131,10 @@ def process_matrix(args: Namespace) -> None:
                 # This is because inspect.getfullargspec has been removed in Python 3.11
                 # and `vine.five` 4.x was depending on it. This is fixed in 5.x.
                 n == "celery"
-                and c.replace(".", "").startswith("311")
+                and (
+                    c.replace(".", "").startswith("311")
+                    or c.replace(".", "").startswith("312")
+                )
                 and all(cv.startswith("4") for cv in compatible_versions)
             ):
                 if is_inverted:

README.md

@@ -18,6 +18,7 @@ Publish and Subscribe with Celery
 | 3.9      | ![][badge-m_linux_3.9_celery3] ![][badge-t_linux_3.9_celery3]         | ![][badge-m_linux_3.9_celery4] ![][badge-t_linux_3.9_celery4]         | ![][badge-m_linux_3.9_celery5] ![][badge-t_linux_3.9_celery5]         |
 | 3.10     | ![][badge-m_linux_3.10_celery3] ![][badge-t_linux_3.10_celery3]       | ![][badge-m_linux_3.10_celery4] ![][badge-t_linux_3.10_celery4]       | ![][badge-m_linux_3.10_celery5] ![][badge-t_linux_3.10_celery5]       |
 | 3.11     | ![][badge-m_linux_3.11_celery3] ![][badge-t_linux_3.11_celery3]       | ![][badge-m_linux_3.11_celery4] ![][badge-t_linux_3.11_celery4]       | ![][badge-m_linux_3.11_celery5] ![][badge-t_linux_3.11_celery5]       |
+| 3.12     | ![][badge-m_linux_3.12_celery3] ![][badge-t_linux_3.12_celery3]       | ![][badge-m_linux_3.12_celery4] ![][badge-t_linux_3.12_celery4]       | ![][badge-m_linux_3.12_celery5] ![][badge-t_linux_3.12_celery5]       |
 | pypy 3.8 | ![][badge-m_linux_pypy3.8_celery3] ![][badge-t_linux_pypy3.8_celery3] | ![][badge-m_linux_pypy3.8_celery4] ![][badge-t_linux_pypy3.8_celery4] | ![][badge-m_linux_pypy3.8_celery5] ![][badge-t_linux_pypy3.8_celery5] |
 | pypy 3.9 | ![][badge-m_linux_pypy3.9_celery3] ![][badge-t_linux_pypy3.9_celery3] | ![][badge-m_linux_pypy3.9_celery4] ![][badge-t_linux_pypy3.9_celery4] | ![][badge-m_linux_pypy3.9_celery5] ![][badge-t_linux_pypy3.9_celery5] |
 
@@ -105,7 +106,7 @@ celery_pubsub.publish('some.very.good.test', 42)  # task 3 only
     * Drop support for Pypy 2.7 and 3.6.
     * Drop support for Celery 3.
     * Add support for Pypy 3.8 and 3.9.
-    * Add support for CPython 3.11.
+    * Add support for CPython 3.11 and 3.12.
     * Type hints are now directly in the code. No more stubs files.
 * 1.0.2
     * Add stubs file for type hinting.
@@ -183,6 +184,10 @@ celery_pubsub.publish('some.very.good.test', 42)  # task 3 only
 [badge-m_linux_3.11_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_3.11_celery4/shields
 [badge-m_linux_3.11_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_3.11_celery5/shields
 
+[badge-m_linux_3.12_celery3]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_3.12_celery3/shields
+[badge-m_linux_3.12_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_3.12_celery4/shields
+[badge-m_linux_3.12_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_3.12_celery5/shields
+
 [badge-m_linux_pypy3.8_celery3]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_pypy-3.8_celery3/shields
 [badge-m_linux_pypy3.8_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_pypy-3.8_celery4/shields
 [badge-m_linux_pypy3.8_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/m_linux_pypy-3.8_celery5/shields
@@ -212,6 +217,10 @@ celery_pubsub.publish('some.very.good.test', 42)  # task 3 only
 [badge-t_linux_3.11_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_3.11_celery4/shields
 [badge-t_linux_3.11_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_3.11_celery5/shields
 
+[badge-t_linux_3.12_celery3]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_3.12_celery3/shields
+[badge-t_linux_3.12_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_3.12_celery4/shields
+[badge-t_linux_3.12_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_3.12_celery5/shields
+
 [badge-t_linux_pypy3.8_celery3]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_pypy-3.8_celery3/shields
 [badge-t_linux_pypy3.8_celery4]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_pypy-3.8_celery4/shields
 [badge-t_linux_pypy3.8_celery5]: https://byob.yarr.is/Mulugruntz/celery-pubsub/2.0.0-beta3_linux_pypy-3.8_celery5/shields

tests/conftest.py

@@ -22,7 +22,28 @@
 from celery import Task
 
 from celery_pubsub import subscribe
-from pkg_resources import get_distribution, parse_version
+from packaging.version import parse, Version
+
+
+# TODO: Simplify this when we drop support for Python 3.7.
+if typing.TYPE_CHECKING:
+
+    def get_distribution_version(distribution_name: str) -> Version:
+        ...
+
+else:
+
+    def get_distribution_version(distribution_name: str) -> Version:
+        try:
+            from importlib.metadata import distribution
+
+            return parse(distribution(distribution_name).version)
+        except ImportError:
+            # Fallback for Python < 3.8. Remove when we drop support for Python 3.7.
+            from pkg_resources import get_distribution
+
+            return parse(get_distribution(distribution_name).version)
+
 
 P = ParamSpec("P")
 R = TypeVar("R")
@@ -39,7 +60,7 @@ def celery_config():
             "broker_transport_options": {"polling_interval": 0.05},
         }
 
-    if get_distribution("celery").parsed_version >= parse_version("5.0.0"):
+    if get_distribution_version("celery") >= parse("5.0.0"):
         pytest_plugins = ["celery.contrib.pytest"]