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 -- http://mail.python.org/mailman/listinfo/python-list
