[Python-Dev] Proposal for virtualenv functionality in Python (original) (raw)

R. David Murray rdmurray at bitdance.com
Fri Feb 19 22:57:14 CET 2010

On Fri, 19 Feb 2010 14:35:42 -0700, Dj Gilcrease <digitalxero at gmail.com> wrote:

On 2/19/10, P.J. Eby <pje at telecommunity.com> wrote: > At 01:49 PM 2/19/2010 -0500, Ian Bicking wrote: >>I'm not sure how this should best work on Windows (without symlinks, >>and where things generally work differently), but I would hope if >>this idea is more visible that someone more opinionated than I would >>propose the appropriate analog on Windows. > > You'd probably have to just copy pythonv.exe to an appropriate > directory, and have it use the configuration file to find the "real" > prefix. At least, that'd be a relatively obvious way to do it, and > it would have the advantage of being symmetrical across platforms: > just copy or symlink pythonv, and make sure the real prefix is in > your config file. > > (Windows does have "shortcuts" but I don't think that there's any way > for a linked program to know which shortcut it was launched from.)

win2k and later have a form of sym link, the api for it is just not provided in a nice simple app like it is on nix platforms.

See also http://bugs.python.org/issue1578269, which proposes an implementation of os.symlink for windows, and appears to be just about ready to go in.

--David

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