Add preliminary support for Python 3.12b2. (#254)

Author: Michael Howitz

.github/workflows/tests.yml

@@ -27,7 +27,7 @@ jobs:
         - ["3.9",   "py39"]
         - ["3.10",  "py310"]
         - ["3.11",  "py311"]
-        - ["3.12.0-alpha.7",  "py312"]
+        - ["3.12.0-beta.2",  "py312"]
         - ["3.9",   "docs"]
         - ["3.9",   "coverage"]
         - ["3.9",   "py39-datetime"]

.meta.toml

@@ -2,7 +2,7 @@
 # https://github.com/zopefoundation/meta/tree/master/config/pure-python
 [meta]
 template = "pure-python"
-commit-id = "fe63cb4c"
+commit-id = "1814282a"
 
 [python]
 with-pypy = false

tests/test_compile.py

@@ -10,7 +10,7 @@
 from RestrictedPython import compile_restricted_single
 from RestrictedPython._compat import IS_PY38_OR_GREATER
 from RestrictedPython._compat import IS_PY310_OR_GREATER
-from RestrictedPython._compat import IS_PY312_OR_GREATER
+from RestrictedPython._compat import IS_PY311_OR_GREATER
 from tests.helper import restricted_eval
 
 
@@ -103,7 +103,7 @@ def test_compile__compile_restricted_exec__5():
     assert result.code is None
     assert result.warnings == []
     assert result.used_names == {}
-    if IS_PY312_OR_GREATER:
+    if IS_PY311_OR_GREATER:
         assert result.errors == (
             'Line None: SyntaxError: source code string cannot contain null'
             ' bytes at statement: None',)