Determining Presence Of GUI Support

[Gerhard Häring]

* Tim Daneliuk <tundra at tundraware.com> [2002-11-09 06:40 +0000]:
> Is there a portable method of determining whether the current runtime
> environment supports a GUI or text-based interface?  I would like to
> write a single program which autosenses the presentation environment
> and works accordingly.

You can obtain wether or not you're running under X11 by checking for
the existence of the "DISPLAY" environment variable:

>>> import os
>>> "DISPLAY" in os.environ
1

-- Gerhard