Use pyproject.toml for configuration in pytest itself

Author: nicoddemus

pyproject.toml

@@ -7,6 +7,49 @@ requires = [
 ]
 build-backend = "setuptools.build_meta"
 
+[tool.pytest.ini_options]
+minversion = "2.0"
+addopts = "-rfEX -p pytester --strict-markers"
+python_files = ["test_*.py", "*_test.py", "testing/*/*.py"]
+python_classes = ["Test", "Acceptance"]
+python_functions = ["test"]
+# NOTE: "doc" is not included here, but gets tested explicitly via "doctesting".
+testpaths = ["testing"]
+norecursedirs = ["testing/example_scripts"]
+xfail_strict = true
+filterwarnings = [
+    "error",
+    "default:Using or importing the ABCs:DeprecationWarning:unittest2.*",
+    "default:the imp module is deprecated in favour of importlib:DeprecationWarning:nose.*",
+    "ignore:Module already imported so cannot be rewritten:pytest.PytestWarning",
+    # produced by python3.6/site.py itself (3.6.7 on Travis, could not trigger it with 3.6.8)."
+    "ignore:.*U.*mode is deprecated:DeprecationWarning:(?!(pytest|_pytest))",
+    # produced by pytest-xdist
+    "ignore:.*type argument to addoption.*:DeprecationWarning",
+    # produced by python >=3.5 on execnet (pytest-xdist)
+    "ignore:.*inspect.getargspec.*deprecated, use inspect.signature.*:DeprecationWarning",
+    # pytest's own futurewarnings
+    "ignore::pytest.PytestExperimentalApiWarning",
+    # Do not cause SyntaxError for invalid escape sequences in py37.
+    # Those are caught/handled by pyupgrade, and not easy to filter with the
+    # module being the filename (with .py removed).
+    "default:invalid escape sequence:DeprecationWarning",
+    # ignore use of unregistered marks, because we use many to test the implementation
+    "ignore::_pytest.warning_types.PytestUnknownMarkWarning",
+]
+pytester_example_dir = "testing/example_scripts"
+markers = [
+    # dummy markers for testing
+    "foo",
+    "bar",
+    "baz",
+    # conftest.py reorders tests moving slow ones to the end of the list
+    "slow",
+    # experimental mark for all tests using pexpect
+    "uses_pexpect",
+]
+
+
 [tool.towncrier]
 package = "pytest"
 package_dir = "src"

tox.ini

@@ -152,48 +152,6 @@ deps =
     pypandoc
 commands = python scripts/publish-gh-release-notes.py {posargs}
 
-
-[pytest]
-minversion = 2.0
-addopts = -rfEX -p pytester --strict-markers
-rsyncdirs = tox.ini doc src testing
-python_files = test_*.py *_test.py testing/*/*.py
-python_classes = Test Acceptance
-python_functions = test
-# NOTE: "doc" is not included here, but gets tested explicitly via "doctesting".
-testpaths = testing
-norecursedirs = testing/example_scripts
-xfail_strict=true
-filterwarnings =
-    error
-    default:Using or importing the ABCs:DeprecationWarning:unittest2.*
-    default:the imp module is deprecated in favour of importlib:DeprecationWarning:nose.*
-    ignore:Module already imported so cannot be rewritten:pytest.PytestWarning
-    # produced by python3.6/site.py itself (3.6.7 on Travis, could not trigger it with 3.6.8).
-    ignore:.*U.*mode is deprecated:DeprecationWarning:(?!(pytest|_pytest))
-    # produced by pytest-xdist
-    ignore:.*type argument to addoption.*:DeprecationWarning
-    # produced by python >=3.5 on execnet (pytest-xdist)
-    ignore:.*inspect.getargspec.*deprecated, use inspect.signature.*:DeprecationWarning
-    # pytest's own futurewarnings
-    ignore::pytest.PytestExperimentalApiWarning
-    # Do not cause SyntaxError for invalid escape sequences in py37.
-    # Those are caught/handled by pyupgrade, and not easy to filter with the
-    # module being the filename (with .py removed).
-    default:invalid escape sequence:DeprecationWarning
-    # ignore use of unregistered marks, because we use many to test the implementation
-    ignore::_pytest.warning_types.PytestUnknownMarkWarning
-pytester_example_dir = testing/example_scripts
-markers =
-    # dummy markers for testing
-    foo
-    bar
-    baz
-    # conftest.py reorders tests moving slow ones to the end of the list
-    slow
-    # experimental mark for all tests using pexpect
-    uses_pexpect
-
 [flake8]
 max-line-length = 120
 extend-ignore = E203