Closed
Description
Crash report
What happened?
When pasting an accented character like ñ or é, or typing one such as ´p and pressing Enter, then up arrow, the new REPL on Windows will exit with the following error:
Python 3.14.0a6+ (heads/fix_non_string_candidates_exit_repl-dirty:8008a588342, Mar 29 2025, 08:15:) [MSC v.1943 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>> Traceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\__main__.py", line 6, in <module>
__pyrepl_interactive_console()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\main.py", line 59, in interactive_console
run_multiline_interactive_console(console)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\simple_interact.py", line 137, in run_multiline_interactive_console
statement = multiline_input(more_lines, ps1, ps2)
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\readline.py", line 389, in multiline_input
return reader.readline()
~~~~~~~~~~~~~~~^^
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\reader.py", line 750, in readline
self.handle1()
~~~~~~~~~~~~^^
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\reader.py", line 706, in handle1
event = self.console.get_event(block=False)
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\windows_console.py", line 471, in get_event
self.event_queue.push(rec.Event.KeyEvent.uChar.UnicodeChar)
~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
File "C:\Users\ddini\PycharmProjects\cpython\Lib\_pyrepl\base_eventqueue.py", line 88, in push
assert len(self.buf) == 1
^^^^^^^^^^^^^^^^^^
AssertionErrorIn these cases, len(self.buf) is 3 instead of 1.
I'm running Python in Windows Terminal, chcp gives 850, changing it to 65001 (UTF-8) makes no difference.
CPython versions tested on:
CPython main branch
Operating systems tested on:
Windows
Output from running 'python -VV' on the command line:
Python 3.14.0a6+ (heads/main-dirty:7c3692fe275, Mar 24 2025, 19:20:37) [MSC v.1942 64 bit (AMD64)]
Linked PRs
- gh-131878: Fix input of unicode characters with two or more code points in new pyrepl on Windows #131901
- gh-131878: Handle top level exceptions in new pyrepl and prevent of closing it #131910
- gh-131878: Fix input of unicode characters with two or more code points in the REPL on Windows in vt mode #133030
- [3.13] gh-131878: Handle top level exceptions in new pyrepl and prevent of closing it (GH-131910) #133445
- [3.13] gh-131878: Fix input of unicode characters with two or more code points in new pyrepl on Windows (gh-131901) #133468
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bugs and security fixesbugs and security fixesbugs and security fixesbugs and security fixesPython modules in the Lib dirPython modules in the Lib dirRelated to the interactive shellRelated to the interactive shellAn unexpected behavior, bug, or errorAn unexpected behavior, bug, or error
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Done