In (the recently accepted) PEP 370 it says

"Current Python versions don't have a unified way to install packages into the home directory of a user (except for Mac Framework builds). Users are either forced to ask the system administrator to install or update a package for them or to use one of the many workarounds like Virtual Python [1], Working Env [2] or Virtual Env [3].

[...]

The feature can't be implemented using the environment variable PYTHONPATH. The env var just inserts a new directory to the beginning of sys.path but it doesn't parse the pth files in the directory. A full blown site-packages path is required for several applications and Python eggs."

I'm confused. For years I've been installing packages and extension modules locally using distutils's --prefix option, e.g. using

  python setup.py install --prefix=$HOME/local

Together with adding $HOME/local/lib/python2.4/site-package to my PYTHONPATH this works fine, even if there are packages that require a .pth file to work or that use Eggs (like setuptools and pygments).

So what limitation does the quoted paragraph in the PEP refer to?

Regards,
Paul
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