Drop tox < 3.24, add Python 3.11, fix tox 4 compatibility

.github/workflows/main.yaml

@@ -22,19 +22,23 @@ jobs:
         # This information is repeated in tox.ini
         # (see https://github.com/fedora-python/tox-github-action/issues/8)
         # Generate it by: tox -l | sed "s/^/- /"
+        - py36-tox324
         - py36-tox3
-        - py36-toxmaster
+        - py36-tox4
+        - py37-tox324
         - py37-tox3
-        - py37-toxmaster
-        - py38-tox3
-        - py38-toxmaster
-        - py39-tox3
-        - py39-toxmaster
-        - py310-tox3
-        - py310-toxmaster
         - py37-tox4
+        - py38-tox324
+        - py38-tox3
         - py38-tox4
+        - py39-tox324
+        - py39-tox3
         - py39-tox4
+        - py310-tox324
+        - py310-tox3
         - py310-tox4
+        - py311-tox324
+        - py311-tox3
+        - py311-tox4
     # Use GitHub's Linux Docker host
     runs-on: ubuntu-latest

README.rst

@@ -232,20 +232,20 @@ installs (a newer version of) ``tox`` and the missing packages
 into that environment and proxies all ``tox`` invocations trough that.
 Unfortunately, this is undesired for ``tox-current-env``.
 
- 1. Starting with ``tox`` 3.23, it is possible to invoke it as
-    ``tox --no-provision`` to prevent the provision entirely.
+ 1. It is possible to invoke ``tox`` with ``--no-provision``
+    to prevent the provision entirely.
     When requirements are missing, ``tox`` fails instead of provisioning.
     If a path is passed as a value for ``--no-provision``,
     the requirements will be serialized to the file, as JSON.
- 2. Starting with ``tox`` 3.22, the requires, if specified, are included in the
+ 2. The requires, if specified, are included in the
     results of ``tox --print-deps-to``.
     This only works when they are installed (otherwise see the first point).
  3. The minimal tox version, if specified, is included in the results of
-    ``tox --print-deps-to`` (as ``tox >= X.Y.Z``).
+    ``tox --print-deps-to``.
     This only works when the version requirement is satisfied
     (otherwise see the first point).
 
-With ``tox >= 3.23``, the recommend way to handle this is:
+The recommend way to handle this is:
 
  1. Run ``tox --no-provision provision.json --print-deps-to=...`` or similar.
  2. If the command fails, install requirements from ``provision.json`` to the

setup.py

@@ -19,7 +19,7 @@ setup(
     packages=find_packages("src"),
     entry_points={"tox": ["current-env = tox_current_env.hooks"]},
     install_requires=[
-        "tox>=3.15",
+        "tox>=3.24",
         "importlib_metadata; python_version < '3.8'"
     ],
     extras_require={
@@ -42,6 +42,7 @@ setup(
         "Programming Language :: Python :: 3.8",
         "Programming Language :: Python :: 3.9",
         "Programming Language :: Python :: 3.10",
+        "Programming Language :: Python :: 3.11",
         "Programming Language :: Python :: Implementation :: CPython",
         "Topic :: Software Development :: Testing",
     ],

src/tox_current_env/hooks3.py

@@ -61,13 +61,9 @@ def _allow_all_externals(envconfig):
             setattr(envconfig, option, "*")
             break
     else:
-        # If none was set, we set one of them, preferably the new one:
-        if hasattr(envconfig, "allowlist_externals"):
-            envconfig.allowlist_externals = "*"
-        else:
-            # unless we need to fallback to the old and deprecated
-            # TODO, drop this when we drop support for tox < 3.18
-            envconfig.whitelist_externals = "*"
+        # If none was set, we set the new one
+        envconfig.allowlist_externals = "*"
+
 
 @tox.hookimpl
 def tox_configure(config):
@@ -225,8 +221,7 @@ def tox_dependencies(config):
     """Get dependencies of tox itself, 'minversion' and 'requires' config options"""
     if config.minversion is not None:
         yield f"tox >= {config.minversion}"
-    # config does not have the "requires" attribute until tox 3.22:
-    yield from getattr(config, "requires", [])
+    yield from config.requires
 
 
 @tox.hookimpl

tests/fixtures/tox.ini

@@ -1,5 +1,5 @@
 [tox]
-envlist = py36,py37,py38,py39,py310
+envlist = py36,py37,py38,py39,py310,py311
 
 [testenv]
 deps =

tests/test_integration.py

@@ -6,7 +6,6 @@ import sys
 import textwrap
 
 import pytest
-from packaging.version import parse as ver
 
 from utils import (
     DOT_TOX,
@@ -14,7 +13,6 @@ from utils import (
     NATIVE_EXECUTABLE,
     NATIVE_SITE_PACKAGES,
     NATIVE_TOXENV,
-    TOX_VERSION,
     envs_from_tox_ini,
     is_available,
     modify_config,
@@ -107,7 +105,6 @@ def test_print_deps_with_tox_minversion(projdir, toxenv, print_deps_stdout_arg):
     assert result.stdout == expected
 
 
-@pytest.mark.xfail(TOX_VERSION < ver("3.22"), reason="No support in old tox")
 @pytest.mark.parametrize("toxenv", envs_from_tox_ini())
 def test_print_deps_with_tox_requires(projdir, toxenv, print_deps_stdout_arg):
     with modify_config(projdir / "tox.ini") as config:
@@ -125,7 +122,6 @@ def test_print_deps_with_tox_requires(projdir, toxenv, print_deps_stdout_arg):
     assert result.stdout == expected
 
 
-@pytest.mark.xfail(TOX_VERSION < ver("3.22"), reason="No support in old tox")
 @pytest.mark.parametrize("toxenv", envs_from_tox_ini())
 def test_print_deps_with_tox_minversion_and_requires(
     projdir, toxenv, print_deps_stdout_arg
@@ -547,8 +543,6 @@ def test_self_is_not_installed(projdir, flag, usedevelop):
 
 @pytest.mark.parametrize("externals", [None, "allowlist_externals", "whitelist_externals"])
 def test_externals(projdir, externals):
-    if externals == "allowlist_externals" and TOX_VERSION < ver("3.18"):
-        pytest.xfail("No support in old tox")
     with modify_config(projdir / 'tox.ini') as config:
         config['testenv']['commands'] = "echo assertme"
         if externals is not None:

tests/test_integration_tox4.py

@@ -4,14 +4,13 @@ import shutil
 import textwrap
 
 import pytest
-from packaging.version import parse as ver
 
 from utils import (
     DOT_TOX,
     NATIVE_EXEC_PREFIX_MSG,
     NATIVE_SITE_PACKAGES,
     NATIVE_TOXENV,
-    TOX_VERSION,
+    TOX_MIN_VERSION,
     envs_from_tox_ini,
     modify_config,
     needs_all_pythons,
@@ -32,7 +31,7 @@ def test_print_deps(toxenv, print_deps_stdout_arg):
     result = tox("-e", toxenv, print_deps_stdout_arg)
     expected = textwrap.dedent(
         f"""
-        tox>={TOX_VERSION}
+        tox>={TOX_MIN_VERSION}
         six
         py
         {tox_footer(toxenv)}
@@ -57,7 +56,6 @@ def test_print_deps_with_tox_minversion(projdir, toxenv, print_deps_stdout_arg):
     assert prep_tox_output(result.stdout) == expected
 
 
-@pytest.mark.xfail(TOX_VERSION < ver("3.22"), reason="No support in old tox")
 @pytest.mark.parametrize("toxenv", envs_from_tox_ini())
 def test_print_deps_with_tox_requires(projdir, toxenv, print_deps_stdout_arg):
     with modify_config(projdir / "tox.ini") as config:
@@ -67,7 +65,7 @@ def test_print_deps_with_tox_requires(projdir, toxenv, print_deps_stdout_arg):
         f"""
         setuptools>30
         pluggy
-        tox>={TOX_VERSION}
+        tox>={TOX_MIN_VERSION}
         six
         py
         {tox_footer(toxenv)}
@@ -76,7 +74,6 @@ def test_print_deps_with_tox_requires(projdir, toxenv, print_deps_stdout_arg):
     assert prep_tox_output(result.stdout) == expected
 
 
-@pytest.mark.xfail(TOX_VERSION < ver("3.22"), reason="No support in old tox")
 @pytest.mark.parametrize("toxenv", envs_from_tox_ini())
 def test_print_deps_with_tox_minversion_and_requires(
     projdir, toxenv, print_deps_stdout_arg
@@ -117,7 +114,7 @@ def test_allenvs_print_deps(print_deps_stdout_arg):
     result = tox(print_deps_stdout_arg)
     expected = []
     for env in envs_from_tox_ini():
-        expected.extend((f"tox>={TOX_VERSION}", "six", "py", f"{env}: OK"))
+        expected.extend((f"tox>={TOX_MIN_VERSION}", "six", "py", f"{env}: OK"))
     expected.pop()  # The last "py310: OK" is not there
     expected.append(tox_footer(spaces=0))
     expected = ("\n".join(expected)).splitlines()
@@ -140,7 +137,7 @@ def test_print_deps_to_file(toxenv, tmp_path):
     depspath = tmp_path / "deps"
     result = tox("-e", toxenv, "--print-deps-to", str(depspath))
     assert sorted(depspath.read_text().splitlines()) == sorted(
-        [f"tox>={TOX_VERSION}", "six", "py"]
+        [f"tox>={TOX_MIN_VERSION}", "six", "py"]
     )
     expected = tox_footer(toxenv, spaces=0) + "\n"
     assert prep_tox_output(result.stdout) == expected
@@ -160,7 +157,7 @@ def test_allenvs_print_deps_to_file(tmp_path, option):
     depspath = tmp_path / "deps"
     result = tox(option, str(depspath))
     assert sorted(depspath.read_text().splitlines()) == sorted(
-        [f"tox>={TOX_VERSION}", "six", "py"] * len(envs_from_tox_ini())
+        [f"tox>={TOX_MIN_VERSION}", "six", "py"] * len(envs_from_tox_ini())
     )
     expected = ""
     for env in envs_from_tox_ini()[:-1]:
@@ -303,7 +300,7 @@ def test_print_deps_without_python_command(tmp_path, print_deps_stdout_arg):
     result = tox("-e", NATIVE_TOXENV, print_deps_stdout_arg, env=env)
     expected = textwrap.dedent(
         f"""
-        tox>={TOX_VERSION}
+        tox>={TOX_MIN_VERSION}
         six
         py
         {tox_footer(NATIVE_TOXENV)}
@@ -342,10 +339,7 @@ def test_self_is_not_installed(projdir, flag, usedevelop):
 def test_self_is_installed_with_regular_tox(projdir, usedevelop):
     with modify_config(projdir / "tox.ini") as config:
         config["testenv"]["usedevelop"] = str(usedevelop)
-    _ = tox("-e", NATIVE_TOXENV, "-v", quiet=False)
-    egg_link = DOT_TOX / f"{NATIVE_TOXENV}/{NATIVE_SITE_PACKAGES}" / "test.egg-link"
-    dist_info = (
-        DOT_TOX / f"{NATIVE_TOXENV}/{NATIVE_SITE_PACKAGES}" / "test-0.0.0.dist-info"
-    )
-    to_test = egg_link if usedevelop else dist_info
-    assert to_test.exists()
+    result = tox("-e", NATIVE_TOXENV, "-v", quiet=False)
+    assert "test-0.0.0" in result.stdout
+    if usedevelop:
+        assert "test-0.0.0-0.editable" in result.stdout

tests/utils.py

@@ -52,7 +52,12 @@ def tox(*args, quiet=True, **kwargs):
     return cp
 
 
-TOX_VERSION = ver(tox("--version").stdout.split(" ")[0].split("+")[0])
+TOX_MIN_VERSION = TOX_VERSION = ver(tox("--version").stdout.split(" ")[0].split("+")[0])
+# TOX_MIN_VERSION follows the same logic as tox itself
+# see: https://github.com/tox-dev/tox/blob/6cf388db53402c2595ca8b673ddabece46f4d06e/src/tox/provision.py#L76-L84
+if TOX_MIN_VERSION.is_devrelease or TOX_MIN_VERSION.is_prerelease:
+    TOX_MIN_VERSION = ver(f"{TOX_VERSION.base_version}a0")
+
 TOX4 = TOX_VERSION.major == 4
 # if TOX4:
 #     DOT_TOX /= "4"

tox.ini

@@ -2,15 +2,15 @@
 
 # This information is repeated in .github/workflows/main.yaml
 # (see https://github.com/fedora-python/tox-github-action/issues/8)
-envlist = {py36,py37,py38,py39,py310}-tox{3,master},{py37,py38,py39,py310}-tox4
+envlist = {py36,py37,py38,py39,py310,py311}-tox{324,3,4}
 
 [testenv]
 extras =
     tests
 deps=
+    tox324: tox >=3.24,<3.25
     tox3: tox < 4
-    toxmaster: git+https://github.com/tox-dev/tox.git@legacy
-    tox4: git+https://github.com/tox-dev/tox.git@rewrite
+    tox4: tox >=4,< 5
 commands =
     !tox4: pytest -v {posargs} tests/test_integration.py
     tox4: pytest -v {posargs} tests/test_integration_tox4.py