New REPL Traceback Not Formatted Correctly

Bug report

Bug description:

At first I thought it was because the window was small but it happens even if the window is large.

>>> import threading
>>> thread = threading.Thread(target=lambda: threading.current_thread().name == 'MainThread')
>>> thread.run()
>>> thread.join()
Traceback (most recent call last):
  File "<python-input-3>", line 1, in <module>
    thread.join()
    ~~~~~~~~~~~^^
  File "/Users/codyscott_1/.pyenv/versions/3.13t-dev/lib/python3.13t/threading.py", line 1083, in join
    raise RuntimeError("cannot join thread before it is started")
RuntimeError: cannot join thread before it is started
>>> thread.start()
Exception in thread Thread-1 (<lambda>):
>>> Traceback (most recent call last):
                                        File "/Users/codyscott_1/.pyenv/versions/3.13t-dev/lib/python3.13t/threading.py", line 991, in run
                                                                if self._target is not None:
                     ^^^^^^^^^^^^
                                 AttributeError: 'Thread' object has no attribute '_target'. Did you mean: '_started'?

                                        During handling of the above exception, another exception occurred:

                             Traceback (most recent call last):
                                                                 File "/Users/codyscott_1/.pyenv/versions/3.13t-dev/lib/python3.13t/threading.py", line 1041, in _bootstrap_inner
                         self.run()
                                       ~~~~~~~~^^
                                                   File "/Users/codyscott_1/.pyenv/versions/3.13t-dev/lib/python3.13t/threading.py", line 996, in run
                                                                           del self._target, self._args, self._kwargs
                                               ^^^^^^^^^^^^
                                                           AttributeError: 'Thread' object has no attribute '_target'

>>>

CPython versions tested on:

3.13

Operating systems tested on:

macOS

confirmed on linux

I tested it on Ubuntu 22 and didn't encounter the issues mentioned, Maybe it's because my computer isn't a MacOS

Python 3.13.0rc1+ (heads/3.13:e5568e5e9da, Sep  6 2024, 09:06:23) [GCC 11.4.0] on linux
Type "help", "copyright", "credits" or "license" for more information.
warning: can't use pyrepl: No module named 'msvcrt'
>>> import threading
>>> thread = threading.Thread(target=lambda: threading.current_thread().name == 'MainThread')
>>> thread.run()
>>> thread.join()
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
    thread.join()
    ~~~~~~~~~~~^^
  File "/home/ruang/Desktop/cpython/Lib/threading.py", line 1083, in join
    raise RuntimeError("cannot join thread before it is started")
RuntimeError: cannot join thread before it is started
>>> thread.start()
Exception in thread Thread-1 (<lambda>):
>>> Traceback (most recent call last):
  File "/home/ruang/Desktop/cpython/Lib/threading.py", line 991, in run
    if self._target is not None:
       ^^^^^^^^^^^^
AttributeError: 'Thread' object has no attribute '_target'. Did you mean: '_started'?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/home/ruang/Desktop/cpython/Lib/threading.py", line 1041, in _bootstrap_inner
    self.run()
    ~~~~~~~~^^
  File "/home/ruang/Desktop/cpython/Lib/threading.py", line 996, in run
    del self._target, self._args, self._kwargs
        ^^^^^^^^^^^^
AttributeError: 'Thread' object has no attribute '_target'

pythongh-120221: Support KeyboardInterrupt in asyncio REPL

gh-120221: Support KeyboardInterrupt in asyncio REPL (#123795)

pythongh-120221: Support KeyboardInterrupt in asyncio REPL (pythonGH-…

[3.13] gh-120221: Support KeyboardInterrupt in asyncio REPL (GH-123795)…

Fixed by #123799.

I just tried with 3.13.0rc2 and I get a KeyboardInterrupt after the traceback.

>>> import threading
>>> thread = threading.Thread(target=lambda: threading.current_thread().name == 'MainThread')
>>> thread.run()
>>> thread.join()
Traceback (most recent call last):
  File "<python-input-3>", line 1, in <module>
    thread.join()
    ~~~~~~~~~~~^^
  File "/Users/codyscott_1/.pyenv/versions/3.13.0rc2/lib/python3.13/threading.py", line 1083, in join
    raise RuntimeError("cannot join thread before it is started")
RuntimeError: cannot join thread before it is started
>>> thread.start()
>>> 
Exception in Thread-1 (<lambda>):
Traceback (most recent call last):
  File "/Users/codyscott_1/.pyenv/versions/3.13.0rc2/lib/python3.13/threading.py", line 991, in run
    if self._target is not None:
       ^^^^^^^^^^^^
AttributeError: 'Thread' object has no attribute '_target'. Did you mean: '_started'?

During handling of the above exception, another exception occurred:

Traceback (most recent call last):
  File "/Users/codyscott_1/.pyenv/versions/3.13.0rc2/lib/python3.13/threading.py", line 1041, in _bootstrap_inner
    self.run()
    ~~~~~~~~^^
  File "/Users/codyscott_1/.pyenv/versions/3.13.0rc2/lib/python3.13/threading.py", line 996, in run
    del self._target, self._args, self._kwargs
        ^^^^^^^^^^^^
AttributeError: 'Thread' object has no attribute '_target'

>>> 
KeyboardInterrupt

I get the same KeyboardInterrupt after with Python 3.13.0rc3.

>>> 
KeyboardInterrupt
>>>

Navigation Menu

Repository navigation

New REPL Traceback Not Formatted Correctly #123178

Bug report

Bug description:

CPython versions tested on:

Operating systems tested on:

Metadata

Assignees

Labels

Projects

Milestone

Relationships

Development

New REPL Traceback Not Formatted Correctly #123178

Description

Bug report

Bug description:

CPython versions tested on:

Operating systems tested on:

Activity

cfbolz commented on Aug 24, 2024

rruuaanng commented on Sep 6, 2024

ambv commented on Sep 6, 2024

Siecje commented on Sep 9, 2024

Siecje commented on Oct 4, 2024

Metadata

Metadata

Assignees

Labels

Projects

Milestone

Relationships

Development

Issue actions