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.venv2/Lib/site-packages/_pytest/nose.py

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+"""Run testsuites written for nose."""
+import warnings
+
+from _pytest.config import hookimpl
+from _pytest.deprecated import NOSE_SUPPORT
+from _pytest.fixtures import getfixturemarker
+from _pytest.nodes import Item
+from _pytest.python import Function
+from _pytest.unittest import TestCaseFunction
+
+
+@hookimpl(trylast=True)
+def pytest_runtest_setup(item: Item) -> None:
+    if not isinstance(item, Function):
+        return
+    # Don't do nose style setup/teardown on direct unittest style classes.
+    if isinstance(item, TestCaseFunction):
+        return
+
+    # Capture the narrowed type of item for the teardown closure,
+    # see https://github.com/python/mypy/issues/2608
+    func = item
+
+    call_optional(func.obj, "setup", func.nodeid)
+    func.addfinalizer(lambda: call_optional(func.obj, "teardown", func.nodeid))
+
+    # NOTE: Module- and class-level fixtures are handled in python.py
+    # with `pluginmanager.has_plugin("nose")` checks.
+    # It would have been nicer to implement them outside of core, but
+    # it's not straightforward.
+
+
+def call_optional(obj: object, name: str, nodeid: str) -> bool:
+    method = getattr(obj, name, None)
+    if method is None:
+        return False
+    is_fixture = getfixturemarker(method) is not None
+    if is_fixture:
+        return False
+    if not callable(method):
+        return False
+    # Warn about deprecation of this plugin.
+    method_name = getattr(method, "__name__", str(method))
+    warnings.warn(
+        NOSE_SUPPORT.format(nodeid=nodeid, method=method_name, stage=name), stacklevel=2
+    )
+    # If there are any problems allow the exception to raise rather than
+    # silently ignoring it.
+    method()
+    return True