On 16 Sep, 2007, at 21:44, Ian Bicking wrote: > Ronald Oussoren wrote: >> On 15 Sep, 2007, at 18:09, Ian Bicking wrote: >>> Hi all. I'm kind of giving up on workingenv, and have started >>> working >>> from virtual-python as a basis instead >>> (http://pypi.python.org/pypi/virtualenv/). >>> >>> So the basic technique here is to copy the executable into >>> /ENV/bin/python, and then sys.prefix will be '/ENV'. The standard >>> Python installed on a Mac doesn't seem to do this -- the prefix >>> remains >>> '/opt/local/Library/Frameworks/Python.framework/Versions/2.4' >>> regardless. (Custom built Python's on Mac work like normal.) >> All framework builds behave as you describe, Modules/getpath.c >> special-cases calculation of sys.prefix for framework builds of >> Python (the prefix is inside the framework regardless of where the >> executable is). > > Is there any way to effect that calculation? I.e., in a normal > build that calculation is based on the location of the executable, > so virtualenv moves the executable to effect that.
Move the framework. > > >>> Does anyone know a way to get the normal effect on this Mac Python? >> You could copy the framework into the virtual python environment >> and rewrite linker commands in the python command-line executable >> to use that version of the framework. > > That sounds like the similar situation to the standard library on > other posix systems, which I've avoided copying. To do that, I put > a text file in that points to the original stdlib location, and in > site.py I add that in (I only copy the portions of the stdlib that > are needed when site.py is loaded -- os, re, etc). So the same > thing should be possible with the framework, and that's not too much > of a problem. > > > I don't have any idea how to figure out the linker commands to > change the Python command-line executable...? I don't even have the > vocabulary to begin figuring that out, I'm afraid. Can you give an > example? macholib (which is on PyPI) can do that. I'm not aware of a command- line tool that can do the same thing. > > > > -- > Ian Bicking : [EMAIL PROTECTED] : http://blog.ianbicking.org > : Write code, do good : http://topp.openplans.org/careers _______________________________________________ Distutils-SIG maillist - [email protected] http://mail.python.org/mailman/listinfo/distutils-sig
