May 19, 2025 · May 19, 2025
diff --git a/Lib/_pyrepl/simple_interact.py b/Lib/_pyrepl/simple_interact.py
    more_lines = functools.partial(_more_lines, console)
    input_n = 0

    _is_x_showrefcount_set = sys._xoptions.get("showrefcount")
    _is_pydebug_build = hasattr(sys, "gettotalrefcount")
    show_ref_count = _is_x_showrefcount_set and _is_pydebug_build

    def maybe_run_command(statement: str) -> bool:
        statement = statement.strip()
        if statement in console.locals or statement not in REPL_COMMANDS:
        except:
            console.showtraceback()
            console.resetbuffer()
        if show_ref_count:
            console.write(
                f"[{sys.gettotalrefcount()} refs,"
                f" {sys.getallocatedblocks()} blocks]\n"
            )
diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
 import tempfile
 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 force_not_colorized, make_clean_env, Py_DEBUG
 from test.support import SHORT_TIMEOUT, STDLIB_DIR
 from test.support.import_helper import import_module
 from test.support.os_helper import EnvironmentVarGuard, unlink
        # Extra stuff (newline and `exit` rewrites) are necessary
        # because of how run_repl works.
        self.assertNotIn(">>> \n>>> >>>", cleaned_output)

    @skipUnless(Py_DEBUG, '-X showrefcount requires a Python debug build')
    def test_showrefcount(self):
        env = os.environ.copy()
        env.pop("PYTHON_BASIC_REPL", "")
        output, _ = self.run_repl("1\n1+2\nexit()\n", cmdline_args=['-Xshowrefcount'], env=env)
        matches = re.findall(r'\[-?\d+ refs, \d+ blocks\]', output)
        self.assertEqual(len(matches), 3)

        env["PYTHON_BASIC_REPL"] = "1"
        output, _ = self.run_repl("1\n1+2\nexit()\n", cmdline_args=['-Xshowrefcount'], env=env)
        matches = re.findall(r'\[-?\d+ refs, \d+ blocks\]', output)
        self.assertEqual(len(matches), 3)
diff --git a/Misc/NEWS.d/next/Library/2025-05-17-13-46-20.gh-issue-134097.fgkjE1.rst b/Misc/NEWS.d/next/Library/2025-05-17-13-46-20.gh-issue-134097.fgkjE1.rst
 Fix interaction of the new :term:`REPL` and :option:`-X showrefcount <-X>` command line option.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -114,6 +114,10 @@ def run_multiline_interactive_console(
		more_lines = functools.partial(_more_lines, console)
		input_n = 0

		_is_x_showrefcount_set = sys._xoptions.get("showrefcount")
		_is_pydebug_build = hasattr(sys, "gettotalrefcount")
		show_ref_count = _is_x_showrefcount_set and _is_pydebug_build

		def maybe_run_command(statement: str) -> bool:
		statement = statement.strip()
		if statement in console.locals or statement not in REPL_COMMANDS:
Expand DownExpand Up		@@ -168,3 +172,8 @@ def maybe_run_command(statement: str) -> bool:
		except:
		console.showtraceback()
		console.resetbuffer()
		if show_ref_count:
		console.write(
		f"[{sys.gettotalrefcount()} refs,"
		f" {sys.getallocatedblocks()} blocks]\n"
		)
Original file line number	Diff line number	Diff line change
Expand Up		@@ -10,7 +10,7 @@
		import tempfile
		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 force_not_colorized, make_clean_env, Py_DEBUG
		from test.support import SHORT_TIMEOUT, STDLIB_DIR
		from test.support.import_helper import import_module
		from test.support.os_helper import EnvironmentVarGuard, unlink
Expand DownExpand Up		@@ -1380,3 +1380,16 @@ def test_prompt_after_help(self):
		# Extra stuff (newline and `exit` rewrites) are necessary
		# because of how run_repl works.
		self.assertNotIn(">>> \n>>> >>>", cleaned_output)

		@skipUnless(Py_DEBUG, '-X showrefcount requires a Python debug build')
		def test_showrefcount(self):
		env = os.environ.copy()
		env.pop("PYTHON_BASIC_REPL", "")
		output, _ = self.run_repl("1\n1+2\nexit()\n", cmdline_args=['-Xshowrefcount'], env=env)
		matches = re.findall(r'\[-?\d+ refs, \d+ blocks\]', output)
		self.assertEqual(len(matches), 3)

		env["PYTHON_BASIC_REPL"] = "1"
		output, _ = self.run_repl("1\n1+2\nexit()\n", cmdline_args=['-Xshowrefcount'], env=env)
		matches = re.findall(r'\[-?\d+ refs, \d+ blocks\]', output)
		self.assertEqual(len(matches), 3)
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Fix interaction of the new :term:`REPL` and :option:`-X showrefcount <-X>` command line option.