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Bug description:
If, in the REPL, you:
- Delete the current word, backward, on an empty line using Control-W, then
- Delete to the end of line, using Control-K
The REPL will crash with an exception in readline.
Note: ^ denotes pressing the Control or Command key when pressing the next character.
>>> ^W^KTraceback (most recent call last):
File "<frozen runpy>", line 198, in _run_module_as_main
File "<frozen runpy>", line 88, in _run_code
File "/usr/lib64/python3.13/_pyrepl/__main__.py", line 6, in <module>
__pyrepl_interactive_console()
~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^
File "/usr/lib64/python3.13/_pyrepl/main.py", line 59, in interactive_console
run_multiline_interactive_console(console)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^^^^^^^^^
File "/usr/lib64/python3.13/_pyrepl/simple_interact.py", line 143, in run_multiline_interactive_console
statement = multiline_input(more_lines, ps1, ps2)
File "/usr/lib64/python3.13/_pyrepl/readline.py", line 389, in multiline_input
return reader.readline()
~~~~~~~~~~~~~~~^^
File "/usr/lib64/python3.13/_pyrepl/reader.py", line 802, in readline
self.handle1()
~~~~~~~~~~~~^^
File "/usr/lib64/python3.13/_pyrepl/reader.py", line 785, in handle1
self.do_cmd(cmd)
~~~~~~~~~~~^^^^^
File "/usr/lib64/python3.13/_pyrepl/reader.py", line 710, in do_cmd
command.do()
~~~~~~~~~~^^
File "/usr/lib64/python3.13/_pyrepl/commands.py", line 157, in do
self.kill_range(r.pos, eol + 1)
~~~~~~~~~~~~~~~^^^^^^^^^^^^^^^^
File "/usr/lib64/python3.13/_pyrepl/commands.py", line 71, in kill_range
r.kill_ring[-1] = r.kill_ring[-1] + text
~~~~~~~~~~~^^^^This exception is caused since kill_range is not called on an empty backward_kill_word, causing kill_ring to be empty: https://github.com/pypy/pyrepl/blob/ca192a80b76700118b9bfd261a3d098b92ccfc31/pyrepl/commands.py#L152-L156
CPython versions tested on:
3.13
Operating systems tested on:
Linux
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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