Mar 1, 2026 · Mar 1, 2026
diff --git a/Lib/_pyrepl/historical_reader.py b/Lib/_pyrepl/historical_reader.py


 isearch_keymap: tuple[tuple[KeySpec, CommandName], ...] = tuple(
    [("\\%03o" % c, "isearch-end") for c in range(256) if chr(c)!="\\"]
    [("\\%03o" % c, "isearch-end") for c in range(256) if chr(c)not in ("\\", "\x1b")]
    + [(c, "isearch-add-character") for c in map(chr, range(32, 127)) if c != "\\"]
    + [
        ("\\%03o" % c, "isearch-add-character")
        (r"\C-c", "isearch-cancel"),
        (r"\C-g", "isearch-cancel"),
        (r"\<backspace>", "isearch-backspace"),
        (r"\x1b[200~", "isearch-bracketed-paste"),
    ]
 )

        r.pop_input_trans()
        r.dirty = True

 class isearch_bracketed_paste(commands.Command):
    def do(self) -> None:
        r = self.reader
        b = r.buffer
        done = "\x1b[201~"
        data = ""
        while done not in data:
            ev = r.console.getpending()
            data += ev.data
        paste_content = data.replace(done, "")
        r.isearch_term += paste_content
        r.dirty = True
        if "".join(b[r.pos:r.pos+len(r.isearch_term)]) != r.isearch_term:
            r.isearch_next()


 @dataclass
 class HistoricalReader(Reader):
            isearch_backspace,
            isearch_forwards,
            isearch_backwards,
            isearch_bracketed_paste,
            operate_and_get_next,
            history_search_backward,
            history_search_forward,
diff --git a/Lib/test/test_pyrepl/test_pyrepl.py b/Lib/test/test_pyrepl/test_pyrepl.py
        output = multiline_input(reader)
        self.assertEqual(output, input_code)

    def test_bracketed_paste_in_isearch(self):
        paste_start = "\x1b[200~"
        paste_end = "\x1b[201~"

        events = itertools.chain(
            # Add some history
            code_to_events("print('hello')\n"),
            # Search for 'hello'
            [
                Event(evt="key", data="\x12", raw=bytearray(b"\x12")),
            ],
            code_to_events(paste_start),
            code_to_events("hello"),
            code_to_events(paste_end),
            [
                Event(evt="key", data="\n", raw=bytearray(b"\n")),
                Event(evt="key", data="\n", raw=bytearray(b"\n")),
            ],
            [
                Event(evt="key", data="\x12", raw=bytearray(b"\x12")),
            ],
            # Search for 'world', which should not be found
            code_to_events(paste_start),
            code_to_events("world"),
            code_to_events(paste_end),
            [
                Event(evt="key", data="\n", raw=bytearray(b"\n")),
                Event(evt="key", data="\n", raw=bytearray(b"\n")),
            ],
        )

        reader = self.prepare_reader(events)
        multiline_input(reader)
        output = multiline_input(reader)
        self.assertEqual(output, "print('hello')")
        output = multiline_input(reader)
        self.assertEqual(output, "")


 @skipUnless(pty, "requires pty")
 class TestDumbTerminal(ReplTestCase):
diff --git a/Misc/NEWS.d/next/Library/2026-03-02-02-51-27.gh-issue-145375.j9r8TS.rst b/Misc/NEWS.d/next/Library/2026-03-02-02-51-27.gh-issue-145375.j9r8TS.rst
 Handle bracketed paste in :mod:`!_pyrepl` isearch mode.
Original file line number	Diff line number	Diff line change
Expand Up		@@ -31,7 +31,7 @@


		isearch_keymap: tuple[tuple[KeySpec, CommandName], ...] = tuple(
		[("\\%03o" % c, "isearch-end") for c in range(256) if chr(c)!="\\"]
		[("\\%03o" % c, "isearch-end") for c in range(256) if chr(c)not in ("\\", "\x1b")]
		+ [(c, "isearch-add-character") for c in map(chr, range(32, 127)) if c != "\\"]
		+ [
		("\\%03o" % c, "isearch-add-character")
Expand All		@@ -45,6 +45,7 @@
		(r"\C-c", "isearch-cancel"),
		(r"\C-g", "isearch-cancel"),
		(r"\<backspace>", "isearch-backspace"),
		(r"\x1b[200~", "isearch-bracketed-paste"),
		]
		)

Expand DownExpand Up		@@ -209,6 +210,21 @@ def do(self) -> None:
		r.pop_input_trans()
		r.dirty = True

		class isearch_bracketed_paste(commands.Command):
		def do(self) -> None:
		r = self.reader
		b = r.buffer
		done = "\x1b[201~"
		data = ""
		while done not in data:
		ev = r.console.getpending()
		data += ev.data
		paste_content = data.replace(done, "")
		r.isearch_term += paste_content
		r.dirty = True
		if "".join(b[r.pos:r.pos+len(r.isearch_term)]) != r.isearch_term:
		r.isearch_next()


		@dataclass
		class HistoricalReader(Reader):
Expand DownExpand Up		@@ -245,6 +261,7 @@ def __post_init__(self) -> None:
		isearch_backspace,
		isearch_forwards,
		isearch_backwards,
		isearch_bracketed_paste,
		operate_and_get_next,
		history_search_backward,
		history_search_forward,
Expand Down
Original file line number	Diff line number	Diff line change
Expand Up		@@ -1509,6 +1509,44 @@ def test_bracketed_paste_single_line(self):
		output = multiline_input(reader)
		self.assertEqual(output, input_code)

		def test_bracketed_paste_in_isearch(self):
		paste_start = "\x1b[200~"
		paste_end = "\x1b[201~"

		events = itertools.chain(
		# Add some history
		code_to_events("print('hello')\n"),
		# Search for 'hello'
		[
		Event(evt="key", data="\x12", raw=bytearray(b"\x12")),
		],
		code_to_events(paste_start),
		code_to_events("hello"),
		code_to_events(paste_end),
		[
		Event(evt="key", data="\n", raw=bytearray(b"\n")),
		Event(evt="key", data="\n", raw=bytearray(b"\n")),
		],
		[
		Event(evt="key", data="\x12", raw=bytearray(b"\x12")),
		],
		# Search for 'world', which should not be found
		code_to_events(paste_start),
		code_to_events("world"),
		code_to_events(paste_end),
		[
		Event(evt="key", data="\n", raw=bytearray(b"\n")),
		Event(evt="key", data="\n", raw=bytearray(b"\n")),
		],
		)

		reader = self.prepare_reader(events)
		multiline_input(reader)
		output = multiline_input(reader)
		self.assertEqual(output, "print('hello')")
		output = multiline_input(reader)
		self.assertEqual(output, "")


		@skipUnless(pty, "requires pty")
		class TestDumbTerminal(ReplTestCase):
Expand Down
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Handle bracketed paste in :mod:`!_pyrepl` isearch mode.