[pull] main from python:main

Doc/library/crypt.rst

@@ -13,7 +13,7 @@ being deprecated in Python 3.11.  The removal was decided in :pep:`594`.
 
 Applications can use the :mod:`hashlib` module from the standard library.
 Other possible replacements are third-party libraries from PyPI:
-:pypi:`legacycrypt`, :pypi:`bcrypt`, :pypi:`argon2-cffi`, or :pypi:`passlib`.
+:pypi:`legacycrypt`, :pypi:`bcrypt`, or :pypi:`argon2-cffi`.
 These are not supported or maintained by the Python core team.
 
 The last version of Python that provided the :mod:`!crypt` module was

Doc/whatsnew/3.13.rst

@@ -1569,8 +1569,6 @@ and are now removed:
 
   * :pypi:`bcrypt`:
     Modern password hashing for your software and your servers.
-  * :pypi:`passlib`:
-    Comprehensive password hashing framework supporting over 30 schemes.
   * :pypi:`argon2-cffi`:
     The secure Argon2 password hashing algorithm.
   * :pypi:`legacycrypt`:

Lib/_pyrepl/commands.py

@@ -420,14 +420,17 @@ class delete(EditCommand):
     def do(self) -> None:
         r = self.reader
         b = r.buffer
-        if (
-            r.pos == 0
-            and len(b) == 0  # this is something of a hack
-            and self.event[-1] == "\004"
-        ):
-            r.update_screen()
-            r.console.finish()
-            raise EOFError
+        if self.event[-1] == "\004":
+            if b and b[-1].endswith("\n"):
+                self.finish = True
+            elif (
+                r.pos == 0
+                and len(b) == 0  # this is something of a hack
+            ):
+                r.update_screen()
+                r.console.finish()
+                raise EOFError
+
         for i in range(r.get_arg()):
             if r.pos != len(b):
                 del b[r.pos]

Lib/_pyrepl/unix_console.py

@@ -390,7 +390,12 @@ def restore(self):
             os.write(self.output_fd, b"\033[?7h")
 
         if hasattr(self, "old_sigwinch"):
-            signal.signal(signal.SIGWINCH, self.old_sigwinch)
+            try:
+                signal.signal(signal.SIGWINCH, self.old_sigwinch)
+            except ValueError as e:
+                import threading
+                if threading.current_thread() is threading.main_thread():
+                    raise e
             del self.old_sigwinch
 
     def push_char(self, char: int | bytes) -> None:

Lib/argparse.py

@@ -1959,7 +1959,9 @@ def add_subparsers(self, **kwargs):
         # prog defaults to the usage message of this parser, skipping
         # optional arguments and with no "usage:" prefix
         if kwargs.get('prog') is None:
-            formatter = self._get_formatter()
+            # Create formatter without color to avoid storing ANSI codes in prog
+            formatter = self.formatter_class(prog=self.prog)
+            formatter._set_color(False)
             positionals = self._get_positional_actions()
             groups = self._mutually_exclusive_groups
             formatter.add_usage(None, positionals, groups, '')

Lib/asyncio/__main__.py

@@ -74,7 +74,8 @@ def callback():
             return
         except BaseException:
             if keyboard_interrupted:
-                self.write("\nKeyboardInterrupt\n")
+                if not CAN_USE_PYREPL:
+                    self.write("\nKeyboardInterrupt\n")
             else:
                 self.showtraceback()
             return self.STATEMENT_FAILED

Lib/test/test_argparse.py

@@ -22,6 +22,7 @@
     captured_stderr,
     force_not_colorized,
     force_not_colorized_test_class,
+    swap_attr,
 )
 from test.support import import_helper
 from test.support import os_helper
@@ -7128,7 +7129,8 @@ class TestColorized(TestCase):
     def setUp(self):
         super().setUp()
         # Ensure color even if ran with NO_COLOR=1
-        _colorize.can_colorize = lambda *args, **kwargs: True
+        self.enterContext(swap_attr(_colorize, 'can_colorize',
+                                     lambda *args, **kwargs: True))
         self.theme = _colorize.get_theme(force_color=True).argparse
 
     def test_argparse_color(self):
@@ -7355,6 +7357,17 @@ def __init__(self, prog):
                  {short_b}+f{reset}, {long_b}++foo{reset} {label_b}FOO{reset}  foo help
         '''))
 
+    def test_subparser_prog_is_stored_without_color(self):
+        parser = argparse.ArgumentParser(prog='complex', color=True)
+        sub = parser.add_subparsers(dest='command')
+        demo_parser = sub.add_parser('demo')
+
+        self.assertNotIn('\x1b[', demo_parser.prog)
+
+        demo_parser.color = False
+        help_text = demo_parser.format_help()
+        self.assertNotIn('\x1b[', help_text)
+
 
 class TestModule(unittest.TestCase):
     def test_deprecated__version__(self):

Lib/test/test_pyrepl/test_pyrepl.py

@@ -1825,3 +1825,86 @@ def test_detect_pip_usage_in_repl(self):
                     " outside of the Python REPL"
                 )
                 self.assertIn(hint, output)
+
+class TestPyReplCtrlD(TestCase):
+    """Test Ctrl+D behavior in _pyrepl to match old pre-3.13 REPL behavior.
+
+    Ctrl+D should:
+    - Exit on empty buffer (raises EOFError)
+    - Delete character when cursor is in middle of line
+    - Perform no operation when cursor is at end of line without newline
+    - Exit multiline mode when cursor is at end with trailing newline
+    - Run code up to that point when pressed on blank line with preceding lines
+    """
+    def prepare_reader(self, events):
+        console = FakeConsole(events)
+        config = ReadlineConfig(readline_completer=None)
+        reader = ReadlineAlikeReader(console=console, config=config)
+        return reader
+
+    def test_ctrl_d_empty_line(self):
+        """Test that pressing Ctrl+D on empty line exits the program"""
+        events = [
+            Event(evt="key", data="\x04", raw=bytearray(b"\x04")),  # Ctrl+D
+        ]
+        reader = self.prepare_reader(events)
+        with self.assertRaises(EOFError):
+            multiline_input(reader)
+
+    def test_ctrl_d_multiline_with_new_line(self):
+        """Test that pressing Ctrl+D in multiline mode with trailing newline exits multiline mode"""
+        events = itertools.chain(
+            code_to_events("def f():\n    pass\n"),  # Enter multiline mode with trailing newline
+            [
+                Event(evt="key", data="\x04", raw=bytearray(b"\x04")),  # Ctrl+D
+            ],
+        )
+        reader, _ = handle_all_events(events)
+        self.assertTrue(reader.finished)
+        self.assertEqual("def f():\n    pass\n", "".join(reader.buffer))
+
+    def test_ctrl_d_multiline_middle_of_line(self):
+        """Test that pressing Ctrl+D in multiline mode with cursor in middle deletes character"""
+        events = itertools.chain(
+            code_to_events("def f():\n    hello world"),  # Enter multiline mode
+            [
+                Event(evt="key", data="left", raw=bytearray(b"\x1bOD"))
+            ] * 5,  # move cursor to 'w' in "world"
+            [
+                Event(evt="key", data="\x04", raw=bytearray(b"\x04"))
+            ], # Ctrl+D should delete 'w'
+        )
+        reader, _ = handle_all_events(events)
+        self.assertFalse(reader.finished)
+        self.assertEqual("def f():\n    hello orld", "".join(reader.buffer))
+
+    def test_ctrl_d_multiline_end_of_line_no_newline(self):
+        """Test that pressing Ctrl+D at end of line without newline performs no operation"""
+        events = itertools.chain(
+            code_to_events("def f():\n    hello"),  # Enter multiline mode, no trailing newline
+            [
+                Event(evt="key", data="\x04", raw=bytearray(b"\x04"))
+            ],  # Ctrl+D should be no-op
+        )
+        reader, _ = handle_all_events(events)
+        self.assertFalse(reader.finished)
+        self.assertEqual("def f():\n    hello", "".join(reader.buffer))
+
+    def test_ctrl_d_single_line_middle_of_line(self):
+        """Test that pressing Ctrl+D in single line mode deletes current character"""
+        events = itertools.chain(
+            code_to_events("hello"),
+            [Event(evt="key", data="left", raw=bytearray(b"\x1bOD"))],  # move left
+            [Event(evt="key", data="\x04", raw=bytearray(b"\x04"))],    # Ctrl+D
+        )
+        reader, _ = handle_all_events(events)
+        self.assertEqual("hell", "".join(reader.buffer))
+
+    def test_ctrl_d_single_line_end_no_newline(self):
+        """Test that pressing Ctrl+D at end of single line without newline does nothing"""
+        events = itertools.chain(
+            code_to_events("hello"),  # cursor at end of line
+            [Event(evt="key", data="\x04", raw=bytearray(b"\x04"))],  # Ctrl+D
+        )
+        reader, _ = handle_all_events(events)
+        self.assertEqual("hello", "".join(reader.buffer))

Lib/test/test_pyrepl/test_unix_console.py

@@ -4,11 +4,12 @@
 import signal
 import subprocess
 import sys
+import threading
 import unittest
 from functools import partial
 from test import support
 from test.support import os_helper, force_not_colorized_test_class
-from test.support import script_helper
+from test.support import script_helper, threading_helper
 
 from unittest import TestCase
 from unittest.mock import MagicMock, call, patch, ANY, Mock
@@ -318,6 +319,17 @@ def test_restore_with_invalid_environ_on_macos(self, _os_write):
             console.prepare()  # needed to call restore()
             console.restore()  # this should succeed
 
+    @threading_helper.reap_threads
+    @threading_helper.requires_working_threading()
+    def test_restore_in_thread(self, _os_write):
+        # gh-139391: ensure that console.restore() silently suppresses
+        # exceptions when calling signal.signal() from a non-main thread.
+        console = unix_console([])
+        console.old_sigwinch = signal.SIG_DFL
+        thread = threading.Thread(target=console.restore)
+        thread.start()
+        thread.join()  # this should not raise
+
 
 @unittest.skipIf(sys.platform == "win32", "No Unix console on Windows")
 class TestUnixConsoleEIOHandling(TestCase):

Misc/NEWS.d/next/Core_and_Builtins/2025-05-11-09-40-19.gh-issue-133400.zkWla8.rst

@@ -0,0 +1 @@
+Fixed Ctrl+D (^D) behavior in _pyrepl module to match old pre-3.13 REPL behavior.

Misc/NEWS.d/next/Library/2025-09-28-16-34-11.gh-issue-139391.nRFnmx.rst

@@ -0,0 +1,3 @@
+Fix an issue when, on non-Windows platforms, it was not possible to
+gracefully exit a ``python -m asyncio`` process suspended by Ctrl+Z
+and later resumed by :manpage:`fg` other than with :manpage:`kill`.

Misc/NEWS.d/next/Library/2025-10-09-03-06-19.gh-issue-139809.lzHJNu.rst

@@ -0,0 +1 @@
+Prevent premature colorization of subparser ``prog`` in :meth:`argparse.ArgumentParser.add_subparsers` to respect color environment variable changes after parser creation.

Misc/NEWS.d/next/Library/2025-10-09-21-37-20.gh-issue-139845.dzx5UP.rst

@@ -0,0 +1 @@
+Fix to not print KeyboardInterrupt twice in default asyncio REPL.