On 13 Jan 2010, at 13:43, 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. I raised a question about these PYTHON3* variables once before in a discussion about shebang lines: http://www.mailinglistarchive.com/python-dev@python.org/msg29500.html I'm not advocating them, but just wanted to make sure to bring up the shebang use case. Jared
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