Claim support for Python 3.12

CHANGELOG.rst

@@ -6,6 +6,8 @@ Changelog
 Unreleased
 ++++++++++
 
+- Python 3.12 support
+
 0.19.0 (2023-07-29)
 +++++++++++++++++++
 

jedi/api/environment.py

@@ -17,7 +17,7 @@ import parso
 
 _VersionInfo = namedtuple('VersionInfo', 'major minor micro')  # type: ignore[name-match]
 
-_SUPPORTED_PYTHONS = ['3.11', '3.10', '3.9', '3.8', '3.7', '3.6']
+_SUPPORTED_PYTHONS = ['3.12', '3.11', '3.10', '3.9', '3.8', '3.7', '3.6']
 _SAFE_PATHS = ['/usr/bin', '/usr/local/bin']
 _CONDA_VAR = 'CONDA_PREFIX'
 _CURRENT_VERSION = '%s.%s' % (sys.version_info.major, sys.version_info.minor)

jedi/inference/__init__.py

@@ -90,7 +90,7 @@ class InferenceState:
         self.compiled_subprocess = environment.get_inference_state_subprocess(self)
         self.grammar = environment.get_grammar()
 
-        self.latest_grammar = parso.load_grammar(version='3.11')
+        self.latest_grammar = parso.load_grammar(version='3.12')
         self.memoize_cache = {}  # for memoize decorators
         self.module_cache = imports.ModuleCache()  # does the job of `sys.modules`.
         self.stub_module_cache = {}  # Dict[Tuple[str, ...], Optional[ModuleValue]]

setup.py

@@ -32,7 +32,7 @@ setup(name='jedi',
       long_description=readme,
       packages=find_packages(exclude=['test', 'test.*']),
       python_requires='>=3.6',
-      # Python 3.11 grammar is added to parso in 0.8.3
+      # Python 3.11 & 3.12 grammars are added to parso in 0.8.3
       install_requires=['parso>=0.8.3,<0.9.0'],
       extras_require={
           'testing': [
@@ -97,6 +97,7 @@ setup(name='jedi',
           'Programming Language :: Python :: 3.9',
           'Programming Language :: Python :: 3.10',
           'Programming Language :: Python :: 3.11',
+          'Programming Language :: Python :: 3.12',
           'Topic :: Software Development :: Libraries :: Python Modules',
           'Topic :: Text Editors :: Integrated Development Environments (IDE)',
           'Topic :: Utilities',