https://github.com/python/cpython/commit/ced71d39cfc2ab6e227824fe891101dcb473c2e3 commit: ced71d39cfc2ab6e227824fe891101dcb473c2e3 branch: 3.13 author: Miss Islington (bot) <[email protected]> committer: serhiy-storchaka <[email protected]> date: 2024-05-17T18:16:58+03:00 summary:
[3.13] gh-119049: Fix incorrect display of warning which is constructed by C API (GH-119063) (GH-119106) The source line was not displayed if the warnings module had not yet been imported. (cherry picked from commit 100c7ab00ab66a8c0d54582f35e38d8eb691743c) Co-authored-by: Kirill Podoprigora <[email protected]> files: A Misc/NEWS.d/next/Core and Builtins/2024-05-16-23-02-03.gh-issue-119049.qpd_S-.rst M Lib/test/test_capi/test_exceptions.py M Modules/_testcapimodule.c M Python/_warnings.c diff --git a/Lib/test/test_capi/test_exceptions.py b/Lib/test/test_capi/test_exceptions.py index 1d158e3586e98d..c475b6d78d0c56 100644 --- a/Lib/test/test_capi/test_exceptions.py +++ b/Lib/test/test_capi/test_exceptions.py @@ -3,11 +3,12 @@ import re import sys import unittest +import textwrap from test import support from test.support import import_helper from test.support.os_helper import TESTFN, TESTFN_UNDECODABLE -from test.support.script_helper import assert_python_failure +from test.support.script_helper import assert_python_failure, assert_python_ok from test.support.testcase import ExceptionIsLikeMixin from .test_misc import decode_stderr @@ -68,6 +69,47 @@ def test_exc_info(self): else: self.assertTrue(False) + def test_warn_with_stacklevel(self): + code = textwrap.dedent('''\ + import _testcapi + + def foo(): + _testcapi.function_set_warning() + + foo() # line 6 + + + foo() # line 9 + ''') + proc = assert_python_ok("-c", code) + warnings = proc.err.splitlines() + self.assertEqual(warnings, [ + b'<string>:6: RuntimeWarning: Testing PyErr_WarnEx', + b' foo() # line 6', + b'<string>:9: RuntimeWarning: Testing PyErr_WarnEx', + b' foo() # line 9', + ]) + + def test_warn_during_finalization(self): + code = textwrap.dedent('''\ + import _testcapi + + class Foo: + def foo(self): + _testcapi.function_set_warning() + def __del__(self): + self.foo() + + ref = Foo() + ''') + proc = assert_python_ok("-c", code) + warnings = proc.err.splitlines() + # Due to the finalization of the interpreter, the source will be ommited + # because the ``warnings`` module cannot be imported at this time + self.assertEqual(warnings, [ + b'<string>:7: RuntimeWarning: Testing PyErr_WarnEx', + ]) + class Test_FatalError(unittest.TestCase): diff --git a/Misc/NEWS.d/next/Core and Builtins/2024-05-16-23-02-03.gh-issue-119049.qpd_S-.rst b/Misc/NEWS.d/next/Core and Builtins/2024-05-16-23-02-03.gh-issue-119049.qpd_S-.rst new file mode 100644 index 00000000000000..1d7aad8d1e5be6 --- /dev/null +++ b/Misc/NEWS.d/next/Core and Builtins/2024-05-16-23-02-03.gh-issue-119049.qpd_S-.rst @@ -0,0 +1,2 @@ +Fix displaying the source line for warnings created by the C API if the +:mod:`warnings` module had not yet been imported. diff --git a/Modules/_testcapimodule.c b/Modules/_testcapimodule.c index ff31724c0e9ff9..f99ebf0dde4f9e 100644 --- a/Modules/_testcapimodule.c +++ b/Modules/_testcapimodule.c @@ -3303,6 +3303,15 @@ test_reftracer(PyObject *ob, PyObject *Py_UNUSED(ignored)) return NULL; } +static PyObject * +function_set_warning(PyObject *Py_UNUSED(module), PyObject *Py_UNUSED(args)) +{ + if (PyErr_WarnEx(PyExc_RuntimeWarning, "Testing PyErr_WarnEx", 2)) { + return NULL; + } + Py_RETURN_NONE; +} + static PyMethodDef TestMethods[] = { {"set_errno", set_errno, METH_VARARGS}, {"test_config", test_config, METH_NOARGS}, @@ -3444,6 +3453,7 @@ static PyMethodDef TestMethods[] = { {"function_set_closure", function_set_closure, METH_VARARGS, NULL}, {"check_pyimport_addmodule", check_pyimport_addmodule, METH_VARARGS}, {"test_weakref_capi", test_weakref_capi, METH_NOARGS}, + {"function_set_warning", function_set_warning, METH_NOARGS}, {NULL, NULL} /* sentinel */ }; diff --git a/Python/_warnings.c b/Python/_warnings.c index 793cbc657f3184..17404d33c1cc9b 100644 --- a/Python/_warnings.c +++ b/Python/_warnings.c @@ -569,10 +569,9 @@ call_show_warning(PyThreadState *tstate, PyObject *category, PyObject *show_fn, *msg, *res, *warnmsg_cls = NULL; PyInterpreterState *interp = tstate->interp; - /* If the source parameter is set, try to get the Python implementation. - The Python implementation is able to log the traceback where the source + /* The Python implementation is able to log the traceback where the source was allocated, whereas the C implementation doesn't. */ - show_fn = GET_WARNINGS_ATTR(interp, _showwarnmsg, source != NULL); + show_fn = GET_WARNINGS_ATTR(interp, _showwarnmsg, 1); if (show_fn == NULL) { if (PyErr_Occurred()) return -1; _______________________________________________ Python-checkins mailing list -- [email protected] To unsubscribe send an email to [email protected] https://mail.python.org/mailman3/lists/python-checkins.python.org/ Member address: [email protected]
