M.-A. Lemburg wrote: > Nick Coghlan wrote: >> Guido van Rossum wrote: >>> On Wed, Jan 13, 2010 at 9:57 AM, ssteinerX at gmail.com > Or, how about >>> just removing the antiquated use of environment variables altogether >>> from Python 3 and avoid the issue completely. >>> >>> -1. They have their use, but more in controlled situations. If you >>> have "global" env vars that you only want to use with Python 2.x, >>> write a wrapper for Python 3 that invokes it with -E. >> Perhaps a case can be made for Python 3 to assume -E by default, with a >> -e option to enable reading of the environment variables? >> >> That way naive users could run Python3 without tripping over existing >> Python2 environment variables, while other tools could readily set up a >> different environment before launching Python3. > > Naive users won't have PYTHONPATH or any other Python environment > variables setup. I was actually thinking of the situation where the OS had a preinstalled Python 2 with a default PYTHONPATH setting and the user was playing with Python 3. However, I agree that that is a fairly unlikely scenario (since preinstalled Pythons tend not to rely on the environment variables and a user sophisticated enough to be playing with a new Python interpreter should be able to cope with a few environment variable conflicts anyway). Cheers, Nick. -- Nick Coghlan | ncoghlan at gmail.com | Brisbane, Australia ---------------------------------------------------------------
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