Add ruff per-file-ignores

.ruff.toml

@@ -7,25 +7,27 @@ exclude = [
     "dist",
 ]
 ignore = [
-    "D", # pydocstyle
     "ANN", # flake8-annotations
     "ARG", # flake8-unused-arguments
     "BLE", # flake8-blind-except
-    "C90", # mccabe
+    "COM", # flake8-comma
+    "D", # pydocstyle
     "EM", # flake8-errmsg
     "FBT", # flake8-boolean-trap
     "INP", # flake8-no-pep420
-    "PLR", # Pylint Refactor
+    "PLR0133",  # Pylint Refactor
+    "PLR2004",
     "PLW", # Pylint Warning
+    "PTH", # flake8-use-pathlib
     "Q", # flake8-quotes
     "RET", # flake8-return
+    "S101", # flake8-bandit assert
+    "S102", # flake8-bandit exec
+    "S110", # flake8-bandit try-except-pass
     "SIM102", # flake8-simplify collapsible-if
     "SIM105", # flake8-simplify use-contextlib-suppress
     "SLF", # flake8-self
     "T20", # flake8-print
-    "S101", # flake8-bandit assert
-    "S102", # flake8-bandit exec
-    "S110", # flake8-bandit try-except-pass
     "TRY", # tryceratops
 ]
 line-length = 140
@@ -38,3 +40,16 @@ target-version = "py37"
 force-single-line = true
 forced-separate = ["test_pytest_cov"]
 known-first-party = ["pytest_cov"]
+
+[mccabe]
+max-complexity = 12
+
+[per-file-ignores]
+"ci/bootstrap.py" = ["S701"]
+"docs/conf.py" = ["A001"]
+"src/pytest_cov/plugin.py" = ["B904", "PT004"]
+"tests/test_pytest_cov.py" = ["N801", "PT004", "RSE102", "SIM117"]
+
+[pylint]
+max-args = 8
+max-branches = 13

examples/adhoc-layout/tests/test_example.py

@@ -3,4 +3,4 @@
 
 def test_add():
     assert example.add(1, 1) == 2
-    assert not example.add(0, 1) == 2
+    assert example.add(0, 1) != 2

examples/src-layout/tests/test_example.py

@@ -3,4 +3,4 @@
 
 def test_add():
     assert example.add(1, 1) == 2
-    assert not example.add(0, 1) == 2
+    assert example.add(0, 1) != 2

src/pytest_cov/embed.py

@@ -38,10 +38,7 @@ def init():
         import coverage
 
         # Determine all source roots.
-        if cov_source in os.pathsep:
-            cov_source = None
-        else:
-            cov_source = cov_source.split(os.pathsep)
+        cov_source = None if cov_source in os.pathsep else cov_source.split(os.pathsep)
         if cov_config == os.pathsep:
             cov_config = True
 
@@ -108,7 +105,7 @@ def _signal_cleanup_handler(signum, frame):
     elif signum == signal.SIGTERM:
         os._exit(128 + signum)
     elif signum == signal.SIGINT:
-        raise KeyboardInterrupt()
+        raise KeyboardInterrupt
 
 
 def cleanup_on_signal(signum):

src/pytest_cov/engine.py

@@ -412,5 +412,3 @@ def finish(self):
 
     def summary(self, stream):
         """Only the master reports so do nothing."""
-
-        pass

src/pytest_cov/plugin.py

@@ -35,7 +35,7 @@ def validate_report(arg):
     all_choices = term_choices + file_choices
     values = arg.split(":", 1)
     report_type = values[0]
-    if report_type not in all_choices + ['']:
+    if report_type not in [*all_choices, '']:
         msg = f'invalid choice: "{arg}" (choose from "{all_choices}")'
         raise argparse.ArgumentTypeError(msg)
 
@@ -247,7 +247,7 @@ def pytest_sessionstart(self, session):
         self.pid = os.getpid()
         if self._is_worker(session):
             nodeid = (
-                session.config.workerinput.get('workerid', getattr(session, 'nodeid'))
+                session.config.workerinput.get('workerid', session.nodeid)
             )
             self.start(engine.DistWorker, session.config, nodeid)
         elif not self._started:
@@ -389,13 +389,12 @@ def switch_context(self, item, when):
         os.environ['COV_CORE_CONTEXT'] = context
 
 
-@pytest.fixture
+@pytest.fixture()
 def no_cover():
     """A pytest fixture to disable coverage."""
-    pass
 
 
-@pytest.fixture
+@pytest.fixture()
 def cov(request):
     """A pytest fixture to provide access to the underlying coverage object."""
 

tests/contextful.py

@@ -39,7 +39,7 @@ def test_04(self):
         assert self.items[0] == "hello"             # r4
 
 
-@pytest.fixture
+@pytest.fixture()
 def some_data():
     return [1, 2, 3]                                # s5 s6
 
@@ -48,7 +48,7 @@ def test_05(some_data):
     assert len(some_data) == 3                      # r5
 
 
-@pytest.fixture
+@pytest.fixture()
 def more_data(some_data):
     return [2*x for x in some_data]                 # s6
 
@@ -83,15 +83,15 @@ def test_10():
     assert 1 == 1                                   # r10
 
 
-@pytest.mark.parametrize("x, ans", [
+@pytest.mark.parametrize(("x", "ans"), [
     (1, 101),
     (2, 202),
 ])
 def test_11(x, ans):
     assert 100 * x + x == ans                       # r11-1 r11-2
 
 
-@pytest.mark.parametrize("x, ans", [
+@pytest.mark.parametrize(("x", "ans"), [
     (1, 101),
     (2, 202),
 ], ids=['one', 'two'])