fix legacy tox --devenv venv (#3013)

Co-authored-by: Bernát Gábor <bgabor8@bloomberg.net>

.pre-commit-config.yaml

@@ -17,7 +17,7 @@ repos:
       - id: add-trailing-comma
         args: [--py36-plus]
   - repo: https://github.com/asottile/pyupgrade
-    rev: v3.3.1
+    rev: v3.4.0
     hooks:
       - id: pyupgrade
         args: ["--py37-plus"]
@@ -52,7 +52,7 @@ repos:
     hooks:
       - id: flake8
         additional_dependencies:
-          - flake8-bugbear==23.3.23
+          - flake8-bugbear==23.5.9
           - flake8-comprehensions==3.12
           - flake8-pytest-style==1.7.2
           - flake8-spellcheck==0.28
@@ -69,7 +69,7 @@ repos:
           - "@prettier/plugin-xml@2.2"
         args: ["--print-width=120", "--prose-wrap=always"]
   - repo: https://github.com/igorshubovych/markdownlint-cli
-    rev: v0.33.0
+    rev: v0.34.0
     hooks:
       - id: markdownlint
   - repo: local

docs/changelog/2925.bugfix.rst

@@ -0,0 +1 @@
+Fix ``tox --devenv venv`` invocation without ``-e`` - by :user:`asottile`.

pyproject.toml

@@ -2,7 +2,7 @@
 build-backend = "hatchling.build"
 requires = [
   "hatch-vcs>=0.3",
-  "hatchling>=1.14",
+  "hatchling>=1.17",
 ]
 
 [project]
@@ -51,23 +51,23 @@ dependencies = [
   "cachetools>=5.3",
   "chardet>=5.1",
   "colorama>=0.4.6",
-  "filelock>=3.11",
-  'importlib-metadata>=6.4.1; python_version < "3.8"',
+  "filelock>=3.12",
+  'importlib-metadata>=6.6; python_version < "3.8"',
   "packaging>=23.1",
-  "platformdirs>=3.2",
+  "platformdirs>=3.5.1",
   "pluggy>=1",
   "pyproject-api>=1.5.1",
   'tomli>=2.0.1; python_version < "3.11"',
-  'typing-extensions>=4.5; python_version < "3.8"',
-  "virtualenv>=20.21",
+  'typing-extensions>=4.6.2; python_version < "3.8"',
+  "virtualenv>=20.23",
 ]
 optional-dependencies.docs = [
-  "furo>=2023.3.27",
-  "sphinx>=6.1.3",
+  "furo>=2023.5.20",
+  "sphinx>=7.0.1",
   "sphinx-argparse-cli>=1.11",
   "sphinx-autodoc-typehints!=1.23.4,>=1.23",
   "sphinx-copybutton>=0.5.2",
-  "sphinx-inline-tabs>=2022.1.2b11",
+  "sphinx-inline-tabs>=2023.4.21",
   "sphinxcontrib-towncrier>=0.2.1a0",
   "towncrier>=22.12",
 ]
@@ -79,12 +79,12 @@ optional-dependencies.testing = [
   "distlib>=0.3.6",
   "flaky>=3.7",
   "hatch-vcs>=0.3",
-  "hatchling>=1.14",
-  "psutil>=5.9.4",
+  "hatchling>=1.17",
+  "psutil>=5.9.5",
   "pytest>=7.3.1",
-  "pytest-cov>=4",
+  "pytest-cov>=4.1",
   "pytest-mock>=3.10",
-  "pytest-xdist>=3.2.1",
+  "pytest-xdist>=3.3.1",
   "re-assert>=1.1",
   'time-machine>=2.9; implementation_name != "pypy"',
   "wheel>=0.40",

src/tox/session/cmd/legacy.py

@@ -104,6 +104,8 @@ def legacy(state: State) -> int:
     if option.list_envs or option.list_envs_all:
         return list_env(state)
     if option.devenv_path:
+        if option.env.is_default_list:
+            option.env = CliEnv(["py"])
         option.devenv_path = Path(option.devenv_path)
         return devenv(state)
     if option.parallel != 0:  # only 0 means sequential

tests/session/cmd/test_legacy.py

@@ -78,14 +78,27 @@ def test_legacy_list_all(tox_project: ToxProjectCreator, mocker: MockerFixture,
     assert outcome.state.conf.options.show_core is False
 
 
-def test_legacy_devenv(tox_project: ToxProjectCreator, mocker: MockerFixture, tmp_path: Path) -> None:
-    devenv = mocker.patch("tox.session.cmd.legacy.devenv")
+@pytest.mark.parametrize(
+    "args",
+    [
+        pytest.param((), id="empty"),
+        pytest.param(("-e", "py"), id="select"),
+    ],
+)
+def test_legacy_devenv(
+    tox_project: ToxProjectCreator,
+    mocker: MockerFixture,
+    tmp_path: Path,
+    args: tuple[str, ...],
+) -> None:
+    run_sequential = mocker.patch("tox.session.cmd.devenv.run_sequential")
     into = tmp_path / "b"
 
-    outcome = tox_project({"tox.ini": ""}).run("le", "--devenv", str(into), "-e", "py")
+    outcome = tox_project({"tox.ini": ""}).run("le", "--devenv", str(into), *args)
 
-    assert devenv.call_count == 1
+    assert run_sequential.call_count == 1
     assert outcome.state.conf.options.devenv_path == into
+    assert set(outcome.state.conf.options.env) == {"py"}
 
 
 def test_legacy_run_parallel(tox_project: ToxProjectCreator, mocker: MockerFixture) -> None:

tox.ini

@@ -41,7 +41,7 @@ commands =
 description = format the code base to adhere to our styles, and complain about what we cannot do automatically
 skip_install = true
 deps =
-    pre-commit>=3.2.2
+    pre-commit>=3.3.2
 pass_env =
     {[testenv]passenv}
     PROGRAMDATA
@@ -52,9 +52,9 @@ commands =
 [testenv:type]
 description = run type check on code base
 deps =
-    mypy==1.2
+    mypy==1.3
     types-cachetools>=5.3.0.5
-    types-chardet>=5.0.4.3
+    types-chardet>=5.0.4.6
 commands =
     mypy src/tox
     mypy tests