Use tomllib on Python 3.11

CHANGELOG.md

@@ -2,6 +2,7 @@ v0.4.0 (in development)
 -----------------------
 - Drop support for Python 3.6
 - Support Python 3.11
+- Use `tomllib` on Python 3.11
 
 v0.3.2 (2022-09-03)
 -------------------

docs/changelog.rst

@@ -7,6 +7,7 @@ v0.4.0 (in development)
 -----------------------
 - Drop support for Python 3.6
 - Support Python 3.11
+- Use `tomllib` on Python 3.11
 
 v0.3.2 (2022-09-03)
 -------------------

setup.cfg

@@ -56,7 +56,7 @@ install_requires =
     platformdirs   ~= 2.1
     pydantic       ~= 1.7
     python-dotenv  ~= 0.11
-    tomli          >= 1.2, < 3.0
+    tomli          >= 1.2, < 3.0; python_version < "3.11"
     typing_extensions; python_version < "3.8"
 
 [options.packages.find]

src/outgoing/core.py

@@ -10,10 +10,14 @@
 from types import TracebackType
 from typing import Any, Optional, TypeVar, cast
 from platformdirs import user_config_path
-import tomli
 from . import errors
 from .util import AnyPath
 
+if sys.version_info[:2] >= (3, 11):
+    from tomllib import load as toml_load
+else:
+    from tomli import load as toml_load
+
 if sys.version_info[:2] >= (3, 10):
     from importlib.metadata import entry_points
 else:
@@ -97,7 +101,7 @@ def from_config_file(
     try:
         if configpath.suffix == ".toml":
             with configpath.open("rb") as fb:
-                data = tomli.load(fb)
+                data = toml_load(fb)
         elif configpath.suffix == ".json":
             with configpath.open("r") as fp:
                 data = json.load(fp)