Require mypy >= 1.0

Author: dmtucker

pyproject.toml

@@ -32,7 +32,7 @@ requires-python = ">=3.7"
 dependencies = [
     "attrs>=19.0",
     "filelock>=3.0",
-    "mypy>=0.50",
+    "mypy>=1.0",
     "pytest>=4.6",
 ]
 

tests/test_pytest_mypy.py

@@ -122,29 +122,6 @@ def pyfunc(x):
                 return x * y
         """,
     )
-    min_mypy_version = Version("0.990")
-    if MYPY_VERSION < min_mypy_version:
-        # mypy doesn't emit annotation-unchecked warnings until 0.990:
-        fake_mypy_path = tmp_path / "mypy"
-        fake_mypy_path.mkdir()
-        (fake_mypy_path / "__init__.py").touch()
-        (fake_mypy_path / "api.py").write_text(
-            textwrap.dedent(
-                """
-                    def run(*args, **kwargs):
-                        return (
-                            "test_mypy_annotation_unchecked.py:2:"
-                            " note: By default the bodies of untyped functions"
-                            " are not checked, consider using --check-untyped-defs"
-                            "  [annotation-unchecked]\\nSuccess: no issues found in"
-                            " 1 source file\\n",
-                            "",
-                            0,
-                        )
-                """
-            )
-        )
-        monkeypatch.setenv("PYTHONPATH", str(tmp_path))
     result = testdir.runpytest_subprocess(*xdist_args)
     result.assert_outcomes()
     result = testdir.runpytest_subprocess("--mypy", *xdist_args)
@@ -153,9 +130,7 @@ def run(*args, **kwargs):
     mypy_checks = mypy_file_checks + mypy_status_check
     outcomes = {"passed": mypy_checks}
     result.assert_outcomes(**outcomes)
-    # mypy doesn't emit annotation-unchecked warnings until 0.990:
-    if MYPY_VERSION >= Version("0.990"):
-        result.stdout.fnmatch_lines(["*MypyWarning*"])
+    result.stdout.fnmatch_lines(["*MypyWarning*"])
     assert result.ret == 0
 
 
@@ -409,10 +384,6 @@ def pytest_configure(config):
     assert result.ret != 0
 
 
-@pytest.mark.xfail(
-    Version("0.900") > MYPY_VERSION,
-    reason="Mypy added pyproject.toml configuration in 0.900.",
-)
 def test_pyproject_toml(testdir, xdist_args):
     """Ensure that the plugin allows configuration with pyproject.toml."""
     testdir.makefile(
@@ -590,11 +561,6 @@ def test_mypy_item_collect(request):
     assert result.ret == 0
 
 
-@pytest.mark.xfail(
-    MYPY_VERSION < Version("0.750"),
-    raises=AssertionError,
-    reason="https://github.com/python/mypy/issues/7800",
-)
 def test_mypy_results_from_mypy_with_opts():
     """MypyResults.from_mypy respects passed options."""
     mypy_results = pytest_mypy.MypyResults.from_mypy([], opts=["--version"])
@@ -603,20 +569,13 @@ def test_mypy_results_from_mypy_with_opts():
     assert str(MYPY_VERSION) in mypy_results.stdout
 
 
-@pytest.mark.xfail(
-    Version("3.7") < PYTHON_VERSION < Version("3.9")
-    and Version("0.710") <= MYPY_VERSION < Version("0.720"),
-    raises=AssertionError,
-    reason="Mypy crashes for some reason.",
-)
 def test_mypy_no_output(testdir, xdist_args):
     """No terminal summary is shown if there is no output from mypy."""
     type_ignore = (
         "# type: ignore"
         if (
             PYTEST_VERSION
             < Version("6.0")  # Pytest didn't add type annotations until 6.0.
-            or MYPY_VERSION < Version("0.710")
         )
         else ""
     )

tox.ini

@@ -3,23 +3,23 @@
 minversion = 4.4
 isolated_build = true
 envlist =
-    py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.x, 1.0, 1.x}
-    py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.71, 0.x, 1.0, 1.x}
-    py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.78, 0.x, 1.0, 1.x}
-    py310-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.78, 0.x, 1.0, 1.x}
-    py311-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.90, 0.x, 1.0, 1.x}
-    py312-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.90, 0.x, 1.0, 1.x}
+    py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{1.0, 1.x}
+    py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    py310-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    py311-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    py312-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
     publish
     static
 
 [gh-actions]
 python =
-    3.7: py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{0.50, 0.x, 1.0, 1.x}
-    3.8: py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.71, 0.x, 1.0, 1.x}, publish, static
-    3.9: py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.78, 0.x, 1.0, 1.x}
-    3.10: py310-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.78, 0.x, 1.0, 1.x}
-    3.11: py311-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.90, 0.x, 1.0, 1.x}
-    3.12: py312-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{0.90, 0.x, 1.0, 1.x}
+    3.7: py37-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x}-mypy{1.0, 1.x}
+    3.8: py38-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}, publish, static
+    3.9: py39-pytest{4.6, 5.0, 5.x, 6.0, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    3.10: py310-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    3.11: py311-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
+    3.12: py312-pytest{6.2, 6.x, 7.0, 7.x, 8.0, 8.x}-mypy{1.0, 1.x}
 
 [testenv]
 constrain_package_deps = true
@@ -34,11 +34,6 @@ deps =
     pytest7.x: pytest ~= 7.0
     pytest8.0: pytest ~= 8.0.0
     pytest8.x: pytest ~= 8.0
-    mypy0.50: mypy >= 0.500, < 0.510
-    mypy0.71: mypy >= 0.710, < 0.720
-    mypy0.78: mypy >= 0.780, < 0.790
-    mypy0.90: mypy >= 0.900, < 0.910
-    mypy0.x: mypy ~= 0.0
     mypy1.0: mypy ~= 1.0.0
     mypy1.x: mypy ~= 1.0