Merge pull request #1956 from PeterJCLaw/python-3.12

Support Python 3.12

.github/workflows/ci.yml

@@ -7,8 +7,8 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, windows-2019]
-        python-version: ["3.11", "3.10", "3.9", "3.8", "3.7", "3.6"]
-        environment: ['3.8', '3.11', '3.10', '3.9', '3.7', '3.6', 'interpreter']
+        python-version: ["3.12", "3.11", "3.10", "3.9", "3.8", "3.7", "3.6"]
+        environment: ['3.8', '3.12', '3.11', '3.10', '3.9', '3.7', '3.6', 'interpreter']
     steps:
       - name: Checkout code
         uses: actions/checkout@v4
@@ -19,10 +19,12 @@ jobs:
         if: ${{ matrix.environment != 'interpreter' }}
         with:
           python-version: ${{ matrix.environment }}
+          allow-prereleases: true
 
       - uses: actions/setup-python@v4
         with:
           python-version: ${{ matrix.python-version }}
+          allow-prereleases: true
 
       - name: Install dependencies
         run: 'pip install .[testing]'

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',

test/test_inference/test_compiled.py

@@ -1,4 +1,5 @@
 from textwrap import dedent
+import sys
 import math
 from collections import Counter
 from datetime import datetime
@@ -26,7 +27,10 @@ def test_builtin_loading(inference_state):
     assert not from_name.py__doc__()  # It's a stub
 
 
-def test_next_docstr(inference_state):
+def test_next_docstr(inference_state, environment):
+    if environment.version_info[:2] != sys.version_info[:2]:
+        pytest.skip()
+
     next_ = compiled.builtin_from_name(inference_state, 'next')
     assert next_.tree_node is not None
     assert next_.py__doc__() == ''  # It's a stub

test/test_inference/test_signature.py

@@ -13,7 +13,8 @@ from ..helpers import get_example_dir
     'code, sig, names, op, version', [
         ('import math; math.cos', 'cos(x, /)', ['x'], ge, (3, 6)),
 
-        ('next', 'next(iterator, default=None, /)', ['iterator', 'default'], ge, (3, 6)),
+        ('next', 'next(iterator, default=None, /)', ['iterator', 'default'], lt, (3, 12)),
+        ('next', 'next()', [], ge, (3, 12)),
 
         ('str', "str(object='', /) -> str", ['object'], ge, (3, 6)),
 

test/test_utils.py

@@ -81,7 +81,7 @@ class TestSetupReadline(unittest.TestCase):
             if all(not x.startswith('from os import ' + s)
                    for s in ['_', 'O_', 'EX_', 'MFD_', 'SF_', 'ST_',
                              'CLD_', 'POSIX_SPAWN_', 'P_', 'RWF_',
-                             'SCHED_'])
+                             'CLONE_', 'SCHED_'])
         }
         # There are quite a few differences, because both Windows and Linux
         # (posix and nt) libraries are included.