Pmw BLT problems

Michael Peuser mpeuser at
Tue Aug 19 18:53:56 CEST 2003

May be this helps:

Michael P

"Sriram Chadalavada" <swenggsri at> schrieb im Newsbeitrag
news:f2800d70.0308181241.5f5170f3 at
> Hello fellow python users,
>     I am trying to use Python Mega widgets and the BLT extension to Tk
> for my project. Pmw scripts seem to work fine.
>       However, I could not run the BLT examples since BLT was not
> installed.
> BLT installation was interesting since while the INSTALL file in the
> tar ball indicated that the default install directory is /usr/local,
> even after specifying the prefix directory during 'configure', the
> files were installed w.r.t /usr directory.
> Running a HELLO program that makes use of blt graph gave the following
> error message:
> Traceback (most recent call last):
>   File "./", line 33, in ?
>     g = Pmw.Blt.Graph(master)
>   File "/usr/lib/python2.2/site-packages/Pmw/Pmw_1_2/lib/",
> line 260, in __init__
>     Tkinter.Widget.__init__(self, master, _graphCommand, cnf, kw)
>   File "/usr/lib/python2.2/lib-tk/", line 1764, in __init__
> TclError: invalid command name "::blt::graph"
>                 A quick search on the group archive suggested that
> this might be because BLT has not been installed. In my case, that
> might be 'not properly installed'.
>                     Any suggestions on how to get the installation
> right? Did anyone deal with this kind of problem before?
> Thanks in advance,
> Sriram

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