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IDLE accepts, then crashes, on invalid key bindings. #57280

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jfalskfjdslakfdjsallaksfjaslkfdjsal mannequin opened this issue Sep 30, 2011 · 11 comments
Closed

IDLE accepts, then crashes, on invalid key bindings. #57280

jfalskfjdslakfdjsallaksfjaslkfdjsal mannequin opened this issue Sep 30, 2011 · 11 comments
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topic-IDLE type-crash A hard crash of the interpreter, possibly with a core dump

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@jfalskfjdslakfdjsallaksfjaslkfdjsal
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Mannequin

BPO 13071
Nosy @terryjreedy, @amauryfa, @ezio-melotti, @serwy
Superseder
  • bpo-11437: IDLE crash on startup with typo in config-keys.cfg
    		•

    Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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    GitHub fields:

    assignee = None
closed_at = <Date 2012-01-26.04:35:35.342>
created_at = <Date 2011-09-30.00:05:21.782>
labels = ['expert-IDLE', 'type-crash']
title = 'IDLE accepts, then crashes, on invalid key bindings.'
updated_at = <Date 2012-01-26.04:35:35.341>
user = 'https://bugs.python.org/jfalskfjdslakfdjsallaksfjaslkfdjsal'

    bugs.python.org fields:

    activity = <Date 2012-01-26.04:35:35.341>
actor = 'terry.reedy'
assignee = 'none'
closed = True
closed_date = <Date 2012-01-26.04:35:35.342>
closer = 'terry.reedy'
components = ['IDLE']
creation = <Date 2011-09-30.00:05:21.782>
creator = 'jfalskfjdsl;akfdjsa;l.laksfj;aslkfdj;sal'
dependencies = []
files = []
hgrepos = []
issue_num = 13071
keywords = []
message_count = 11.0
messages = ['144657', '144659', '144709', '144804', '144805', '144807', '144808', '144809', '144842', '144843', '144845']
nosy_count = 5.0
nosy_names = ['terry.reedy', 'amaury.forgeotdarc', 'ezio.melotti', 'roger.serwy', 'jfalskfjdsl;akfdjsa;l.laksfj;aslkfdj;sal']
pr_nums = []
priority = 'normal'
resolution = 'duplicate'
stage = None
status = 'closed'
superseder = '11437'
type = 'crash'
url = 'https://bugs.python.org/issue13071'
versions = ['Python 3.2']
    @jfalskfjdslakfdjsallaksfjaslkfdjsal
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    Mannequin Author

    I have tried all ways of opening IDLE and have uninstalled and reinstalled Python, but when I try to open it it crashes before anything happens

    @jfalskfjdslakfdjsallaksfjaslkfdjsal jfalskfjdslakfdjsallaksfjaslkfdjsal mannequin added topic-IDLE type-crash A hard crash of the interpreter, possibly with a core dump labels Sep 30, 2011
    @ezio-melotti
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    Try to open cmd (win+r -> type 'cmd' -> press enter), cd in the Python directory and do "python.exe Lib\idlelib\idle.py".
    If that doesn't work it should give you a traceback. Once you get the traceback copy/paste it here, so we can figure out what's going on.

    @terryjreedy
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    IDLE with Py3.2.2 works fine on Win 7 for me (desktop) and daughter (laptop), so there is something peculiar with your system.

    @jfalskfjdslakfdjsallaksfjaslkfdjsal
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    Mannequin Author 

    Traceback (most recent call last):
  File "C:\Python32\Lib\idlelib/idle.py", line 11, in <module>
    idlelib.PyShell.main()
  File "C:\Python32\Lib\idlelib\PyShell.py",line 1377, in main
    shell = flist.open_shell()
  File "C:\Python32\Lib\idlelib\PyShell.py", line 273, in open_shell
    self.pyshell = PyShell(self)
  File "C:\Python32\Lib\idlelib\Pyshell.py", line 802, in __init__
    OutputWindow.__init__(self,flist, none, none)
  File "C:\Python32\Lib\idlelib\OutputWindow.py", line 16, in __init__
    EditorWindow.__init__(self,*args)
  File "C:\Python32\Lib\idlelib\EditorWindow.py", line 145, in __init__
    self.aply_bindings()
  File "C:\Python32\Lib\idlelib\EditorWindow.py", line 985, in apply_bindings
    text.event_add(event, *keylist)
  File "C:\Python32\Lib\idlelib\MultiCall.py", line 359, in event_add
    widget.event_add(self, virtual, seq)
  File C:\Python32\Lib\tkinter\__init__.py", line 1353, in event_add
    self.tk.call(args)
_tkinter.TclError: bad event type or keysym "Alt"

    @jfalskfjdslakfdjsallaksfjaslkfdjsal
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    Mannequin Author

    That is the traceback given when I run idle.py through windows command prompt

    @terryjreedy
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    Are you using the .msi installer from python.org?
    Or one from activestate or enthought?

    @ezio-melotti
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    Are you using some "unusual" keyboard layout?

    @amauryfa
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    amauryfa commented Oct 3, 2011

    This issue is very similar to bpo-5707: it is possible to define a custom key binding to "<Alt>" or "<Control>": just click the Alt box and don't select a letter.
    There is no check, it's possible to save this buggy key binding, and IDLE won't start anymore.

    IDLE should:

    • check the validity of the binding and refuse to save it when it is invalid
    • gracefully skip invalid bindings from the config file

    @jfalskfjdslakfdjsallaksfjaslkfdjsal
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    Mannequin Author

    ok i have solved the problem it was the same as bpo-4765

    @amauryfa
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    amauryfa commented Oct 3, 2011

    What did you do to solve the problem?

    @terryjreedy
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    While this issue and bpo-4765 are about the same effect, with a similar workaround, Amaury has indentified a separate bug in the custom key mechanism. So I retitled it to refer to that bug.

    @terryjreedy terryjreedy changed the title IDLE refuses to open on windows 7 IDLE accepts, then crashes, on invalid key bindings. Oct 3, 2011
    @ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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