error when using Pmw.BLT
Robert Kern
robert.kern at gmail.com
Wed Oct 21 12:13:25 EDT 2009
On 2009-10-21 10:50 AM, Yang Yang wrote:
> Hello,
>
> I tried to follow the following code demonstrating the use of Pmw.BLT:
>
> >>> from Tkinter import *
> >>> import Pmw
> >>> master = Tk()
> >>> g = Pmw.Blt.Graph( master )
>
> I got the following error message after I typed the last line:
>
> Traceback (most recent call last):
> File "<stdin>", line 1, in <module>
> File "C:\Python26\lib\site-
> packages\Pmw\Pmw_1_3\lib\PmwBlt.py", line
> 260, in _
> _init__
> Tkinter.Widget.__init__(self, master, _graphCommand, cnf, kw)
> File "C:\Python26\lib\lib-tk\Tkinter.py", line 1932, in __init__
> (widgetName, self._w) + extra + self._options(cnf))
> _tkinter.TclError: invalid command name "::blt::graph
>
>
> I am a newbie in python. Does anybody know what causes this error? I
> am running python 2.6.3 under windows xp.
You need to install BLT for Tcl. It is not a standard part of Tcl, and it is not
included in the version of Tcl that comes bundled with Python.
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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