diff --git a/Lib/_pyrepl/commands.py b/Lib/_pyrepl/commands.py
index 285841ca5e5b1c..0b8f1686a568b1 100644
--- a/Lib/_pyrepl/commands.py
+++ b/Lib/_pyrepl/commands.py
@@ -435,9 +435,14 @@ def do(self) -> None:
class help(Command):
def do(self) -> None:
import _sitebuiltins
-
- with self.reader.suspend():
- self.reader.msg = _sitebuiltins._Helper()() # type: ignore[assignment, call-arg]
+ if self.reader.help_mode:
+ self.reader.help_mode = False
+ raise KeyboardInterrupt
+ else:
+ self.reader.help_mode = True
+ with self.reader.suspend():
+ self.reader.msg = _sitebuiltins._Helper()() # type: ignore[assignment, call-arg]
+ self.reader.help_mode = False
class invalid_key(Command):
diff --git a/Lib/_pyrepl/reader.py b/Lib/_pyrepl/reader.py
index 4b0700d069c621..859211acebb354 100644
--- a/Lib/_pyrepl/reader.py
+++ b/Lib/_pyrepl/reader.py
@@ -234,6 +234,7 @@ class Reader:
dirty: bool = False
finished: bool = False
paste_mode: bool = False
+ help_mode: bool = False
in_bracketed_paste: bool = False
commands: dict[str, type[Command]] = field(default_factory=make_default_commands)
last_command: type[Command] | None = None
@@ -665,7 +666,7 @@ def suspend(self) -> SimpleContextManager:
self.restore()
yield
finally:
- for arg in ("msg", "ps1", "ps2", "ps3", "ps4", "paste_mode"):
+ for arg in ("msg", "ps1", "ps2", "ps3", "ps4", "paste_mode", "help_mode"):
setattr(self, arg, prev_state[arg])
self.prepare()
diff --git a/Lib/test/test_pyrepl/support.py b/Lib/test/test_pyrepl/support.py
index 45e3bf758f17de..f3a4032e4bc851 100644
--- a/Lib/test/test_pyrepl/support.py
+++ b/Lib/test/test_pyrepl/support.py
@@ -58,6 +58,7 @@ def prepare_reader(console: Console, **kwargs):
reader = ReadlineAlikeReader(console=console, config=config)
reader.more_lines = partial(more_lines, namespace=None)
reader.paste_mode = True # Avoid extra indents
+ reader.help_mode = False
def get_prompt(lineno, cursor_on_line) -> str:
return ""
diff --git a/Lib/test/test_pyrepl/test_reader.py b/Lib/test/test_pyrepl/test_reader.py
index 6c72a1d39c55df..03147bab698ce0 100644
--- a/Lib/test/test_pyrepl/test_reader.py
+++ b/Lib/test/test_pyrepl/test_reader.py
@@ -175,6 +175,20 @@ def test_up_arrow_after_ctrl_r(self):
reader, _ = handle_all_events(events)
self.assert_screen_equals(reader, "")
+ def test_help_toggles_instead_of_nesting(self):
+
+ events = [
+ Event(evt="key", data="f1", raw=bytearray(b"")),
+ ]
+
+ no_paste_reader = functools.partial(
+ prepare_reader,
+ paste_mode=False,
+ help_mode=True,
+ )
+ reader, _ = handle_all_events(events, prepare_reader=no_paste_reader)
+ self.assertFalse(reader.help_mode)
+
def test_newline_within_block_trailing_whitespace(self):
# fmt: off
code = (
diff --git a/Misc/NEWS.d/next/Library/2025-01-21-19-46-20.gh-issue-121584.O3lEdm.rst b/Misc/NEWS.d/next/Library/2025-01-21-19-46-20.gh-issue-121584.O3lEdm.rst
new file mode 100644
index 00000000000000..99a138abf93175
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2025-01-21-19-46-20.gh-issue-121584.O3lEdm.rst
@@ -0,0 +1,2 @@
+Toggle helper instead of nesting instances when using key bindings in the
+new REPL.
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