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fix(cli): tighten terminal leak fast path

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Brooklyn Nicholson 2026-04-30 12:16:04 -05:00
parent 285e9efb3f
commit e30de51ee9
1 changed files with 8 additions and 5 deletions
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13
cli.py
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@ -1547,7 +1547,6 @@ _SGR_MOUSE_VISIBLE_RE = re.compile(r"\^\[\[<\d+;\d+;\d+[Mm]")
# these fragments are extremely unlikely to be intentional user input, and
# stripping them is better than sending corrupted prompts.
_SGR_MOUSE_BARE_RE = re.compile(r"<\d+;\d+;\d+[Mm]")
_TERMINAL_RESPONSE_SENTINELS = ("\x1b[", "^[", "<")
_TERMINAL_INPUT_MODE_RESET_SEQ = (
"\x1b[?1006l" # disable SGR mouse
"\x1b[?1003l" # disable any-motion tracking
@ -1580,22 +1579,26 @@ def _strip_leaked_terminal_responses_with_meta(text: str) -> tuple[str, bool]:
"""
if not text:
return text, False
if not any(marker in text for marker in _TERMINAL_RESPONSE_SENTINELS):
has_esc = "\x1b[" in text
has_visible = "^[" in text
has_bare_mouse = "<" in text and ";" in text and ("M" in text or "m" in text)
if not (has_esc or has_visible or has_bare_mouse):
return text, False
had_mouse_reports = False
if "\x1b[" in text:
if has_esc:
text = _DSR_CPR_ESC_RE.sub("", text)
text, count = _SGR_MOUSE_ESC_RE.subn("", text)
had_mouse_reports = had_mouse_reports or count > 0
if "^[" in text:
if has_visible:
text = _DSR_CPR_VISIBLE_RE.sub("", text)
text, count = _SGR_MOUSE_VISIBLE_RE.subn("", text)
had_mouse_reports = had_mouse_reports or count > 0
if "<" in text:
if has_bare_mouse:
text, count = _SGR_MOUSE_BARE_RE.subn("", text)
had_mouse_reports = had_mouse_reports or count > 0