Bugs item #1160383, was opened at 2005-03-09 22:32
Message generated for change (Comment added) made by jepler
You can respond by visiting:
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Category: Tkinter
Group: Python 2.4
Status: Open
Resolution: None
Priority: 5
Submitted By: Ilya Sandler (isandler)
Assigned to: Martin v. Löwis (loewis)
Summary: digit-only tag values are mishandled in Tkinter
Initial Comment:
It appears that most Tkinter tag operations fail on
digit-only tag values
>>> from Tkinter import *
>>> root=Tk()
>>> c=Canvas(root)
>>> c.create_line(0,0,100,100, tags="123")
1
>>> c.gettags(1)
('123',)
>>> c.pack()
>>> c.find_withtag("123")
()
tkinter docs:
http://www.pythonware.com/library/tkinter/introduction/x2017-concepts.htm
only say this about tag values:
"Tags are ordinary strings, and they can contain
anything except whitespace."
So this behaviour seems like a bug.
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Comment By: Jeff Epler (jepler)
Date: 2005-03-19 08:20
Message:
Logged In: YES
user_id=2772
This is a documentation bug. The Tk documentation says
(canvas, section "ITEM IDS AND TAGS"):
Each item may also have any number of tags
associated with it. A tag
is just a string of characters, and it may take any
form except that
of an integer. For example, ‘‘x123’’ is OK but
‘‘123’’ isn’t. The
same tag may be associated with many different items.
Furthermore, the site www.pythonware.com is a third-party
site not run by the Python developers. The official Python
documentation
(http://docs.python.org/lib/module-Tkinter.html and 'pydoc
Tkinter') doesn't explain the syntax of an item tag anywhere
that I could see)
I recommend closing this bug and notifying pythonware.com /
Fredrik Lundh about the problem via e-mail.
----------------------------------------------------------------------
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