Tkinter.PhotoImage data for dynamic CGI .gif without writing to file?

[Will Stuyvesant]

[Bengt Richter]
> Maybe the StringIO module will help you. I.e., use an instance instead of a file).

I have been using StringIO and friends for redirecting sys.stdout
etcetera.  But in this case there is a Tkinter.PhotoImage.write()
method and I have no idea how to redirect it.  As far as I can tell it
wants a string parameter that is a filename.