[issue1585] IDLE uses non-existent xrange() function (Py30a2)

Mark Summerfield report at bugs.python.org
Tue Dec 11 09:09:36 CET 2007


New submission from Mark Summerfield:

When I start IDLE I get this:

Python 3.0a2 (r30a2:59382, Dec 10 2007, 14:21:37) 
[GCC 4.1.2 20070626 (Red Hat 4.1.2-13)] on linux2
Type "copyright", "credits" or "license()" for more information.

    ****************************************************************
    Personal firewall software may warn about the connection IDLE
    makes to its subprocess using this computer's internal loopback
    interface.  This connection is not visible on any external
    interface and no data is sent to or received from the Internet.
    ****************************************************************
    
IDLE 3.0a1      
>>>

That's fine (if slightly confusing regarding the version numbers), but
if I click Options->Configure I get this error output:

: Exception in Tkinter callback
Traceback (most recent call last):
  File "/home/mark/opt/python30a2/lib/python3.0/lib-tk/Tkinter.py", line
1402, 
in __call__
    return self.func(*args)
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/EditorWindow.py", line 
385, in config_dialog
    configDialog.ConfigDialog(self.top,'Settings')
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/configDialog.py", line 
50, in __init__
    self.CreateWidgets()
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/configDialog.py", line 
69, in CreateWidgets
    page_names=['Fonts/Tabs','Highlighting','Keys','General'])
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
398, in __init__
    self.add_page(name)
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
413, in add_page
    self._tab_set.add_tab(page_name)
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
76, in add_tab
    self._arrange_tabs()
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
163, in _arrange_tabs
    for row_index in xrange(n_rows):
NameError: global name 'xrange' is not defined

I tried changing xrange to range, but that doesn't work:

: Exception in Tkinter callback
Traceback (most recent call last):
  File "/home/mark/opt/python30a2/lib/python3.0/lib-tk/Tkinter.py", line
1402, 
in __call__
    return self.func(*args)
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/EditorWindow.py", line 
385, in config_dialog
    configDialog.ConfigDialog(self.top,'Settings')
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/configDialog.py", line 
50, in __init__
    self.CreateWidgets()
  File
"/home/mark/opt/python30a2/lib/python3.0/idlelib/configDialog.py", line 
69, in CreateWidgets
    page_names=['Fonts/Tabs','Highlighting','Keys','General'])
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
398, in __init__
    self.add_page(name)
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
413, in add_page
    self._tab_set.add_tab(page_name)
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
76, in add_tab
    self._arrange_tabs()
  File "/home/mark/opt/python30a2/lib/python3.0/idlelib/tabbedpages.py",
line 
148, in _arrange_tabs
    for tab_name in self._tabs.keys():
RuntimeError: dictionary changed size during iteration

----------
components: IDLE
messages: 58417
nosy: mark
severity: normal
status: open
title: IDLE uses non-existent xrange() function (Py30a2)
type: behavior
versions: Python 3.0

__________________________________
Tracker <report at bugs.python.org>
<http://bugs.python.org/issue1585>
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