Configure with future Python 3.13.

This is a testing PR for zopefoundation/meta#218
It introduces Python hyphen ranges in `tests.yml` for the future Python 3.13.
Manually added `3.11.0 - 3.11.2` to see the effect for a current Python.

To make the code differences smaller, this branch is based on #30 which updated to latest meta three weeks ago.

.github/workflows/tests.yml

@@ -25,7 +25,9 @@ jobs:
         - ["3.8",   "py38"]
         - ["3.9",   "py39"]
         - ["3.10",  "py310"]
-        - ["3.11",  "py311"]
+        - ["3.11.0 - 3.11.2",  "py311"]
+        - ["3.12",  "py312"]
+        - ["3.13.0-alpha - 3.13.0",  "py313"]
         - ["pypy-3.9", "pypy3"]
         - ["3.9",   "docs"]
         - ["3.9",   "coverage"]

.meta.toml

@@ -2,14 +2,14 @@
 # https://github.com/zopefoundation/meta/tree/master/config/pure-python
 [meta]
 template = "pure-python"
-commit-id = "b21fbbf2"
+commit-id = "f5281978"
 
 [python]
 with-pypy = true
 with-docs = true
 with-sphinx-doctests = true
 with-windows = false
-with-future-python = false
+with-future-python = true
 with-macos = false
 
 [tox]

tox.ini

@@ -9,6 +9,8 @@ envlist =
     py39
     py310
     py311
+    py312
+    py313
     pypy3
     docs
     coverage
@@ -17,7 +19,12 @@ envlist =
 usedevelop = true
 package = wheel
 wheel_build_env = .pkg
+pip_pre = py313: true
 deps =
+    Sphinx
+setenv =
+    py312: VIRTUALENV_PIP=23.1.2
+    py312: PIP_REQUIRE_VIRTUALENV=0
 commands =
     zope-testrunner --test-path=src {posargs:-vc}
     sphinx-build -b doctest -d {envdir}/.cache/doctrees docs {envdir}/.cache/doctest
@@ -63,6 +70,7 @@ allowlist_externals =
     mkdir
 deps =
     coverage
+    Sphinx
 commands =
     mkdir -p {toxinidir}/parts/htmlcov
     coverage run -m zope.testrunner --test-path=src {posargs:-vc}