Apr 28, 2025
diff --git a/Lib/_pyrepl/__main__.py b/Lib/_pyrepl/__main__.py
 # Important: don't add things to this module, as they will end up in the REPL's
 # default globals.  Use _pyrepl.main instead.

 # Avoid caching this file by linecache and incorrectly report tracebacks.
 # See https://github.com/python/cpython/issues/129098.
 __spec__ = __loader__ = None

 if __name__ == "__main__":
    from .main import interactive_console as __pyrepl_interactive_console
    __pyrepl_interactive_console()
diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
 from unittest import TestCase, skipUnless, skipIf
 from unittest.mock import patch
 from test.support import force_not_colorized, make_clean_env
 from test.support import SHORT_TIMEOUT, STDLIB_DIR
 from test.support import SHORT_TIMEOUT
 from test.support.import_helper import import_module
 from test.support.os_helper importEnvironmentVarGuard,unlink
 from test.support.os_helper import unlink

 from .support import (
    FakeConsole,
        self.assertNotIn("Exception", output)
        self.assertNotIn("Traceback", output)

    @force_not_colorized
    def test_no_pyrepl_source_in_exc(self):
        # Avoid using _pyrepl/__main__.py in traceback reports
        # See https://github.com/python/cpython/issues/129098.
        pyrepl_main_file = os.path.join(STDLIB_DIR, "_pyrepl", "__main__.py")
        self.assertTrue(os.path.exists(pyrepl_main_file), pyrepl_main_file)
        with open(pyrepl_main_file) as fp:
            excluded_lines = fp.readlines()
        excluded_lines = list(filter(None, map(str.strip, excluded_lines)))

        for filename in ['?', 'unknown-filename', '<foo>', '<...>']:
            self._test_no_pyrepl_source_in_exc(filename, excluded_lines)

    def _test_no_pyrepl_source_in_exc(self, filename, excluded_lines):
        with EnvironmentVarGuard() as env, self.subTest(filename=filename):
            env.unset("PYTHON_BASIC_REPL")
            commands = (f"eval(compile('spam', {filename!r}, 'eval'))\n"
                        f"exit()\n")
            output, _ = self.run_repl(commands, env=env)
            self.assertIn("Traceback (most recent call last)", output)
            self.assertIn("NameError: name 'spam' is not defined", output)
            for line in excluded_lines:
                with self.subTest(line=line):
                    self.assertNotIn(line, output)

    @force_not_colorized
    def test_bad_sys_excepthook_doesnt_crash_pyrepl(self):
        env = os.environ.copy()
diff --git a/Misc/NEWS.d/next/Library/2025-03-01-12-37-08.gh-issue-129098.eJ2-6L.rst b/Misc/NEWS.d/next/Library/2025-03-01-12-37-08.gh-issue-129098.eJ2-6L.rst
Original file line number	Diff line number	Diff line change
		@@ -1,10 +1,6 @@
		# Important: don't add things to this module, as they will end up in the REPL's
		# default globals. Use _pyrepl.main instead.

		# Avoid caching this file by linecache and incorrectly report tracebacks.
		# See https://github.com/python/cpython/issues/129098.
		__spec__ = __loader__ = None

		if __name__ == "__main__":
		from .main import interactive_console as __pyrepl_interactive_console
		__pyrepl_interactive_console()
Original file line number	Diff line number	Diff line change
Expand Up		@@ -11,9 +11,9 @@
		from unittest import TestCase, skipUnless, skipIf
		from unittest.mock import patch
		from test.support import force_not_colorized, make_clean_env
		from test.support import SHORT_TIMEOUT, STDLIB_DIR
		from test.support import SHORT_TIMEOUT
		from test.support.import_helper import import_module
		from test.support.os_helper importEnvironmentVarGuard,unlink
		from test.support.os_helper import unlink

		from .support import (
		FakeConsole,
Expand DownExpand Up		@@ -1416,31 +1416,6 @@ def test_python_basic_repl(self):
		self.assertNotIn("Exception", output)
		self.assertNotIn("Traceback", output)

		@force_not_colorized
		def test_no_pyrepl_source_in_exc(self):
		# Avoid using _pyrepl/__main__.py in traceback reports
		# See https://github.com/python/cpython/issues/129098.
		pyrepl_main_file = os.path.join(STDLIB_DIR, "_pyrepl", "__main__.py")
		self.assertTrue(os.path.exists(pyrepl_main_file), pyrepl_main_file)
		with open(pyrepl_main_file) as fp:
		excluded_lines = fp.readlines()
		excluded_lines = list(filter(None, map(str.strip, excluded_lines)))

		for filename in ['?', 'unknown-filename', '<foo>', '<...>']:
		self._test_no_pyrepl_source_in_exc(filename, excluded_lines)

		def _test_no_pyrepl_source_in_exc(self, filename, excluded_lines):
		with EnvironmentVarGuard() as env, self.subTest(filename=filename):
		env.unset("PYTHON_BASIC_REPL")
		commands = (f"eval(compile('spam', {filename!r}, 'eval'))\n"
		f"exit()\n")
		output, _ = self.run_repl(commands, env=env)
		self.assertIn("Traceback (most recent call last)", output)
		self.assertIn("NameError: name 'spam' is not defined", output)
		for line in excluded_lines:
		with self.subTest(line=line):
		self.assertNotIn(line, output)

		@force_not_colorized
		def test_bad_sys_excepthook_doesnt_crash_pyrepl(self):
		env = os.environ.copy()
Expand Down